Additional Information
Book Details
Abstract
Safely and effectively treat a full range of skin disorders with Comprehensive Dermatologic Drug Therapy, 3rd Edition! This trusted dermatology reference provides concise, complete, up-to-date guidance on today's full spectrum of topical, intralesional, and systemic drugs. Dr. Steven E. Wolverton and a team of leading international experts clearly explain what drugs to use, when to use them, and what to watch out for.
- Consult this title on your favorite e-reader with intuitive search tools and adjustable font sizes. Elsevier eBooks provide instant portable access to your entire library, no matter what device you’re using or where you’re located.
- Prescribe with confidence thanks to quick-access summaries of indications/contraindications, dosage guidelines, drug interactions, drug monitoring guidelines, adverse effects, and treatment protocols.
- Assess your knowledge and prepare for certification or recertification with more than 800 review questions and answers throughout.
- Contain costs and meet patient expectations with purchase information provided for major drugs.
- Quickly evaluate drug options for each disease discussed using a highly detailed, disease-specific index.
- Discover the best uses for new biologic therapeutics such as ustekinumab and rituximab, as well as newly improved TNF inhibitors.
- Offer your patients the very latest in cosmetic procedures, including chemical peels, intradermal fillers, and botulinum toxin.
- Use the safest and most effective drugs possible with new chapters on irritants and allergens in topical therapeutic agents, plus a new, separate chapter on mycophenolate mofetil.
- Review drugs recently taken off the market by the FDA, and use that knowledge to improve your current dermatologic drug therapy.
Table of Contents
Section Title | Page | Action | Price |
---|---|---|---|
Front cover | cover | ||
Comprehensive Dermatologic Drug Therapy | i | ||
Copyright page | iv | ||
Table of Contents | v | ||
List of contributors | ix | ||
Preface | xv | ||
What is new? | xv | ||
What is the same? | xv | ||
What is ‘electronic’? | xv | ||
Dedication | xvii | ||
Acknowledgements | xix | ||
From the UK (with Elsevier ties) | xix | ||
From the ‘States’ (with Indiana University Department of Dermatology ties) | xix | ||
From the ‘States’ and the World (the authors) | xix | ||
A dozen suggestions to help the reader optimally utilize this book | xxi | ||
References for drug interaction tables | xxii | ||
I Introduction | 1 | ||
1 Basic principles of pharmacology | 1 | ||
Introduction | 1 | ||
Outline for the chapter | 1 | ||
Pharmacokinetics – part I (Tables 1-2 and 1-3) | 2 | ||
Drug absorption (The drug has to be absorbed and enter circulation) | 2 | ||
Distribution (The drug has to travel to the site of intended action or to a reservoir) | 2 | ||
Bioavailability (The drug has to be ‘available’ at the site of intended action) | 4 | ||
Pharmacodynamics (the drug produces the desired pharmacologic effect) | 4 | ||
Definitions (Table 1-4) | 4 | ||
Drug receptors | 4 | ||
Enzyme systems inhibited by drugs | 5 | ||
Signal transduction and transcription factors | 5 | ||
Pharmacokinetics – part II | 6 | ||
Metabolism (The drug becomes more hydrophilic to favor renal and biliary excretion) | 6 | ||
Excretion (The hydrophilic drug metabolites must leave the body) | 8 | ||
Percutaneous absorption | 9 | ||
General principles | 9 | ||
Vehicles | 10 | ||
Tachyphylaxis | 10 | ||
Transdermal medication formulations | 11 | ||
Bibliography: important reviews and chapters | 11 | ||
Systemic drugs | 11 | ||
Percutaneous absorption | 11 | ||
2 Principles for maximizing the safety of dermatologic drug therapy | 12 | ||
Introduction | 12 | ||
Anticipation | 13 | ||
Patient selection | 13 | ||
II Important Drug Regulatory Issues | 41 | ||
5 The FDA drug approval process | 41 | ||
Introduction | 41 | ||
Federal legislation for drug safety and efficacy | 41 | ||
Food drug and cosmetic law | 41 | ||
Kefauver–harris drug amendment | 41 | ||
General testing required prior to marketing | 42 | ||
Phase I–IV testing | 42 | ||
Phase I testing | 42 | ||
Phase II testing | 42 | ||
Phase III testing | 42 | ||
Pharmacovigilance process | 43 | ||
Phase IV studies | 43 | ||
Prescription Drug User Fee Act | 43 | ||
FDA advisory panels | 43 | ||
Off-label drug use | 43 | ||
General principles | 43 | ||
Food and Drug Administration Modernization Act | 43 | ||
Generic drugs | 44 | ||
Systemic drugs bioequivalence | 44 | ||
Topical drug testing required | 44 | ||
Special drug approval categories | 44 | ||
Compassionate use regulations | 44 | ||
Drug Price Competition and Patent Restoration Act | 44 | ||
Orphan Drug Act | 44 | ||
Related issues | 44 | ||
Regulation of over the counter drugs, biologicals, and generics | 44 | ||
Regulation of combination products | 44 | ||
Comparisons of FDA regulation with other countries | 44 | ||
Some final thoughts | 45 | ||
Bibliography: important reviews | 45 | ||
6 Pharmacovigilance: | 46 | ||
Introduction | 46 | ||
Principle | 46 | ||
III Systemic Drugs for Infectious Diseases | 61 | ||
8 Systemic Antibacterial Agents | 61 | ||
Introduction | 61 | ||
Penicillins | 62 | ||
Pharmacology | 63 | ||
Antimicrobial activity | 63 | ||
Pharmacokinetics | 63 | ||
Clinical use | 63 | ||
Dermatologic uses (Table 8-2) | 63 | ||
Antibacterial indications | 63 | ||
Non-specific penicillin benefits | 63 | ||
Adverse effects | 63 | ||
Hypersensitivity reactions | 63 | ||
Cross-reaction potential | 64 | ||
Other important adverse effects | 64 | ||
Drug interactions | 64 | ||
Dosage | 64 | ||
Cephalosporins | 64 | ||
Cephalexin and many others | 64 | ||
Pharmacology | 64 | ||
Antimicrobial activity | 64 | ||
First generation | 64 | ||
Second generation | 65 | ||
Third generation | 65 | ||
Fourth generation | 66 | ||
Fifth generation | 66 | ||
Pharmacokinetics | 66 | ||
Clinical use | 66 | ||
Dermatologic indications | 66 | ||
First generation | 67 | ||
Second generation | 67 | ||
Third generation | 67 | ||
Fifth generation | 67 | ||
Adverse effects | 67 | ||
Hypersensitivity reactions and cross-reaction potential | 67 | ||
Other adverse effects | 67 | ||
Hematologic effects | 67 | ||
Nephrotoxicity | 67 | ||
IV Systemic Immunomodulatory and Antiproliferative Drugs | 143 | ||
12 Systemic corticosteroids | 143 | ||
Systemic corticosteroids | 143 | ||
Pharmacology (Table 12-1) | 143 | ||
Structure | 143 | ||
Absorption and distribution | 145 | ||
Metabolism and excretion | 145 | ||
Mechanism of action | 145 | ||
Normal HPA axis function | 145 | ||
Glucocorticoid effects (Table 12-4) | 145 | ||
Mineralocorticoid effects (Table 12-4) | 147 | ||
Glucocorticoid Receptor Physiology and Corticosteroid Resistance | 147 | ||
Corticosteroids and Transcription Factors | 148 | ||
Corticosteroid-induced apoptosis | 148 | ||
Clinical use | 149 | ||
FDA-Approved Indications and Off-Label Dermatologic Uses | 149 | ||
Pemphigus vulgaris | 149 | ||
Bullous pemphigoid | 150 | ||
Cicatricial pemphigoid (mucous membrane pemphigoid) | 151 | ||
Stevens–Johnson syndrome and toxic epidermal necrolysis | 151 | ||
Erythema multiforme minor | 152 | ||
Lupus erythematosus | 152 | ||
Dermatomyositis | 152 | ||
Vasculitis | 152 | ||
Pyoderma gangrenosum | 152 | ||
Acute dermatitis | 153 | ||
Lichen planus | 153 | ||
Sarcoidosis | 153 | ||
Androgen excess syndromes | 153 | ||
Postherpetic neuralgia | 153 | ||
Intramuscular corticosteroid administration | 154 | ||
Background issues | 154 | ||
HPA-axis suppression | 154 | ||
General dosing strategies | 154 | ||
Pulse intravenous corticosteroid administration | 154 | ||
General philosophy and dosing strategies | 154 | ||
Specific disease indications | 155 | ||
Risks of pulse IV CS | 155 | ||
Summary | 155 | ||
Adverse effects | 155 | ||
General points regarding tables for adverse effects | 155 | ||
Potentially fatal complications | 155 | ||
Pregnancy risk | 157 | ||
Other adverse effects with the potential for serious morbidity | 158 | ||
HPA-axis suppression | 159 | ||
Adrenal insufficiency – definitions | 159 | ||
HPA-axis suppression – overview | 160 | ||
Alternate means of stress responsiveness (see Box 12-1 HPA axis in a nutshell) | 160 | ||
Laboratory tests of HPA axis function (Table 12-12) | 160 | ||
Adrenal crisis and steroid withdrawal syndrome (SWS) | 161 | ||
Stress corticosteroid doses – historical perspective | 161 | ||
Stress corticosteroid doses – newer perspective | 162 | ||
Drug interactions | 162 | ||
Monitoring guidelines (Box 12-6 and Table 12-15) | 162 | ||
Therapeutic guidelines | 163 | ||
Individualized risk–benefit analysis | 163 | ||
Acute dosage options | 163 | ||
Corticosteroid dosing principles for children | 164 | ||
Corticosteroid formulation choice | 164 | ||
Tapering principles (Q12-11 Box 12-8) | 164 | ||
Alternate-day corticosteroid therapy | 165 | ||
Patient involvement in the therapeutic process | 165 | ||
Systemic corticosteroids chapter update | 165 | ||
Miscellaneous issues | 166 | ||
Frequency of use of CS in general | 166 | ||
Mechanism of action | 166 | ||
Metabolism from inactive to active form of various CS | 166 | ||
Segra (selective glucocorticoid receptor agonists) | 166 | ||
HPA axis issues | 166 | ||
Perioperative ‘stress’ doses of CS | 166 | ||
Timing of CS administration | 166 | ||
Adverse effects | 166 | ||
Lipodystrophy and related metabolic syndrome changes | 166 | ||
High frequency of mood and thought disorders | 166 | ||
High frequency of menstrual abnormalities | 166 | ||
Optimal combination of half-life and sodium retention | 166 | ||
Tuberculosis risk and screening | 167 | ||
Very low doses of CS and osteoporosis-related fracture risk | 167 | ||
Osteonecrosis with short courses of CS | 167 | ||
Bibliography: Important Reviews and Chapters | 167 | ||
Basic science and pharmacology | 167 | ||
Adverse effects overviews | 167 | ||
Mechanisms of action | 167 | ||
References (Reviews) for Chapter Update Section* | 168 | ||
Web references | 168.e1 | ||
Introduction and pharmacology | 168.e1 | ||
Mechanisms of action | 168.e1 | ||
Clinical use – pemphigus vulgaris | 168.e1 | ||
Pemphigus in children, paraneoplastic pemphigus | 168.e1 | ||
Bullous pemphigoid | 168.e1 | ||
Cicatricial pemphigoid | 168.e2 | ||
Herpes gestationis | 168.e2 | ||
Other autoimmune bullous dermatoses | 168.e2 | ||
Stevens-Johnson syndrome and TEN | 168.e2 | ||
Lupus erythematosus | 168.e2 | ||
Dermatomyositis | 168.e2 | ||
Vasculitis | 168.e2 | ||
Pyoderma gangrenosum | 168.e2 | ||
Behçet’s disease and Sweet’s syndrome | 168.e2 | ||
Dermatitis | 168.e2 | ||
Lichen planus | 168.e3 | ||
Sarcoidosis | 168.e3 | ||
Other dermatoses | 168.e3 | ||
Herpes zoster | 168.e3 | ||
Intramuscular corticosteroids | 168.e3 | ||
Pulse intravenous corticosteroids | 168.e3 | ||
Adverse effects – general | 168.e3 | ||
Bowel and peptic ulcer perforation | 168.e3 | ||
Pancreatitis | 168.e4 | ||
Diabetic complications | 168.e4 | ||
Infectious complications | 168.e4 | ||
Corticosteroids in pregnancy | 168.e4 | ||
HPA axis suppression | 168.e4 | ||
Therapeutic guidelines | 168.e4 | ||
13 Methotrexate | 169 | ||
Introduction | 169 | ||
Pharmacology | 169 | ||
Structure | 169 | ||
Absorption and distribution | 169 | ||
Metabolism and excretion | 170 | ||
Mechanism of action | 170 | ||
Dna synthesis effects | 170 | ||
T-cell effects | 171 | ||
Immunosuppressive effects | 171 | ||
Anti-inflammatory effects | 171 | ||
Folic acid effects on methotrexate therapy | 171 | ||
Clinical use | 172 | ||
Indications | 172 | ||
FDA-approved dermatologic indications | 172 | ||
Psoriasis | 172 | ||
Off-label dermatologic uses | 174 | ||
Other proliferative disorders | 174 | ||
Immunobullous dermatoses | 174 | ||
Autoimmune connective tissue diseases | 174 | ||
Vasculitis and neutrophilic dermatoses | 174 | ||
Other dermatoses | 175 | ||
Summary of ‘off-label’ dermatology indications | 175 | ||
Adverse effects | 175 | ||
Hepatotoxicity | 175 | ||
Pulmonary toxicity | 176 | ||
Hematologic effects | 176 | ||
Malignancy induction | 177 | ||
Gastrointestinal effects | 177 | ||
Reproductive effects | 177 | ||
Renal effects | 177 | ||
Other adverse effects | 177 | ||
Drug interactions | 178 | ||
Monitoring guidelines (Box 13-3) | 178 | ||
General issues and risk-factor assessment | 178 | ||
Liver biopsy | 178 | ||
Laboratory monitoring | 180 | ||
Therapeutic guidelines | 180 | ||
Bibliography: Important Reviews and Chapters | 181 | ||
Pharmacology | 181 | ||
Dermatology guidelines | 181 | ||
Adverse effects overviews | 181 | ||
Rheumatology viewpoint on methotrexate | 181 | ||
References* | 181 | ||
Web references | 181.e1 | ||
Introduction and pharmacology | 181.e1 | ||
Clinical use – approved indications | 181.e1 | ||
Indications – proliferative dermatoses | 181.e1 | ||
Indications – bullous dermatoses | 181.e1 | ||
Indications – autoimmune connective tissue diseases | 181.e1 | ||
Indications – vasculitis and neutrophilic dermatoses | 181.e2 | ||
Other indications. | 181.e2 | ||
Hepatotoxicity | 181.e2 | ||
Pulmonary toxicity | 181.e2 | ||
Hematologic toxicity | 181.e3 | ||
Malignancy induction | 181.e3 | ||
Other adverse effects | 181.e3 | ||
Monitoring and therapeutic guidelines | 181.e3 | ||
14 Azathioprine | 182 | ||
Introduction | 182 | ||
Pharmacology | 182 | ||
Absorption and distribution | 182 | ||
Metabolism and excretion | 182 | ||
Three pathways for azathioprine metabolism (Table 14-3) | 182 | ||
Thiopurine methyltransferase polymorphism | 183 | ||
Xanthine oxidase catabolic pathway | 184 | ||
HGPRT anabolic pathway | 184 | ||
Azathioprine dosing based on TPMT activity | 184 | ||
Mechanism of action | 184 | ||
Clinical use | 184 | ||
Off-label dermatologic uses | 184 | ||
Immunobullous dermatoses | 185 | ||
Vasculitis | 185 | ||
Neutrophilic dermatoses | 185 | ||
Autoimmune connective tissue diseases | 185 | ||
Dermatitis and papulosquamous dermatoses | 185 | ||
Photodermatoses | 185 | ||
Other dermatoses | 186 | ||
Contraindications | 186 | ||
Adverse effects (Box 14-3) | 186 | ||
Immunosuppression carcinogenesis | 186 | ||
Myelosuppression | 186 | ||
Risk of infection | 186 | ||
Vaccinations | 187 | ||
Pregnancy, lactation, and fertility | 187 | ||
Hypersensitivity syndrome | 187 | ||
Gastrointestinal effects | 187 | ||
Hepatic effects | 187 | ||
Drug interactions (Table 14-4) | 187 | ||
Monitoring guidelines | 188 | ||
Summary | 188 | ||
Bibliography: Important Reviews and Chapters | 189 | ||
Azathioprine prescribing guidelines | 189 | ||
Immunosuppressive and cytotoxic drug overviews (including azathioprine) | 189 | ||
Thiopurine methyltransferase – overview | 189 | ||
Adverse effects – carcinogenesis | 189 | ||
References* | 189 | ||
Web References | 189.e1 | ||
Introduction | 189.e1 | ||
Pharmacology – metabolism overview | 189.e1 | ||
Thiopurine methyltransferase polymorphism | 189.e1 | ||
Azathioprine dosing based on TPMT activity | 189.e1 | ||
Mechanism of action | 189.e1 | ||
Clinical use – immunobullous dermatoses | 189.e1 | ||
Vasculitis | 189.e1 | ||
Neutrophilic dermatoses | 189.e1 | ||
Autoimmune connective tissue diseases | 189.e1 | ||
Dermatitis and papulosquamous dermatoses | 189.e1 | ||
Photodermatoses | 189.e1 | ||
Other dermatoses | 189.e1 | ||
Adverse effects – carcinogenesis | 189.e1 | ||
Miscellaneous adverse effects | 189.e2 | ||
Hypersensitivity syndrome | 189.e2 | ||
Gastrointestinal and hepatic adverse effects | 189.e2 | ||
Drug interactions | 189.e2 | ||
15 Mycophenolate mofetil and mycophenolic acid | 190 | ||
Introduction | 190 | ||
Pharmacology | 190 | ||
Mechanism of action | 191 | ||
Clinical use | 192 | ||
Off-label dermatologic uses | 192 | ||
Psoriasis | 192 | ||
Immunobullous disease | 193 | ||
Pemphigus | 193 | ||
Other immunobullous dermatoses | 193 | ||
AUTOIMMUNE CONNECTIVE TISSUE DISEASE | 193 | ||
Lupus erythematosus | 193 | ||
Dermatomyositis | 193 | ||
Vasculitis | 193 | ||
Systemic sclerosis | 194 | ||
Atopic dermatitis | 194 | ||
Contraindications | 194 | ||
Adverse effects | 194 | ||
Carcinogenicity | 194 | ||
GI toxicity | 195 | ||
Hematologic | 195 | ||
Infectious | 195 | ||
Pregnancy | 195 | ||
Drug interactions | 195 | ||
Treatment guidelines | 197 | ||
Monitoring guidelines | 197 | ||
Bibliography: Important Reviews and Chapters | 198 | ||
References* | 198 | ||
Web References | 198.e1 | ||
Introduction | 198.e1 | ||
Pharmacology | 198.e1 | ||
Mechanism of action | 198.e1 | ||
Psoriasis | 198.e1 | ||
Pemphigus | 198.e1 | ||
Other immunobullous diseases | 198.e1 | ||
Lupus erythematosus | 198.e2 | ||
Dermatomyositis | 198.e2 | ||
Vasculitis | 198.e2 | ||
Systemic sclerosis | 198.e2 | ||
Atopic dermatitis | 198.e2 | ||
Carcinogenicity | 198.e2 | ||
Gastrointestinal and hematologic adverse effects | 198.e3 | ||
Infectious adverse effects | 198.e3 | ||
Drug interactions | 198.e3 | ||
Monitoring and treatment guidelines | 198.e3 | ||
Additional dermatoses not discussed in text | 198.e3 | ||
16 Cyclosporine | 199 | ||
Introduction | 199 | ||
Pharmacology | 199 | ||
Structure | 199 | ||
Absorption and Bioavailability | 199 | ||
Metabolism and Excretion | 200 | ||
Mechanism of Action | 200 | ||
Clinical Use | 200 | ||
FDA-approved indication | 200 | ||
Psoriasis | 200 | ||
Off-Label Dermatologic Uses | 202 | ||
Atopic dermatitis | 202 | ||
Pyoderma gangrenosum | 202 | ||
Chronic idiopathic urticaria | 204 | ||
Contraindications | 204 | ||
Adverse Effects | 204 | ||
Renal effects | 204 | ||
Hypertension | 204 | ||
Malignancy risk | 204 | ||
Hyperlipidemia | 205 | ||
Other adverse effects | 205 | ||
Drug Interactions | 205 | ||
Monitoring Guidelines | 205 | ||
CsA blood levels | 205 | ||
Hypertension | 205 | ||
Renal function monitoring | 206 | ||
Therapeutic Guidelines | 207 | ||
Baseline assessment | 207 | ||
Dosage and Treatment Regimens | 207 | ||
Conversion from Sandimmune to neoral formulation | 209 | ||
Sequential therapy involving cyclosporine and acitretin | 209 | ||
Sequential therapy with other systemic therapies | 209 | ||
Summary | 210 | ||
Bibliography: Important Reviews and Chapters | 210 | ||
General overviews | 210 | ||
Consensus statements | 210 | ||
Adverse effects overviews | 210 | ||
References* | 211 | ||
Web References | 211.e1 | ||
Introduction | 211.e1 | ||
Pharmacology | 211.e1 | ||
Psoriasis (see also references 74–82) | 211.e1 | ||
Monitoring and therapeutic guidelines – psoriasis | 211.e1 | ||
Lichen planus | 211.e1 | ||
Bullous dermatoses | 211.e1 | ||
Autoimmune connective tissue diseases | 211.e1 | ||
Neutrophilic dermatoses | 211.e1 | ||
Atopic dermatitis | 211.e1 | ||
Alopecia | 211.e1 | ||
Granulomatous dermatoses | 211.e1 | ||
Disorders of keratinization | 211.e2 | ||
Photosensitivity dermatoses | 211.e2 | ||
Other dermatoses | 211.e2 | ||
Urticaria | 211.e2 | ||
Contraindications | 211.e2 | ||
Adverse effects – renal and hypertension | 211.e2 | ||
Malignancy Risk | 211.e2 | ||
Miscellaneous issues | 211.e2 | ||
17 Cytotoxic agents | 212 | ||
Introduction | 212 | ||
Major subcategories of cytotoxic agents and the cell cycle | 212 | ||
Patient education issues | 213 | ||
Antimetabolites | 214 | ||
Thioguanine | 214 | ||
Pharmacology (Table 17-2) | 214 | ||
Mechanism of Action | 214 | ||
Clinical Use | 215 | ||
Off-Label Dermatologic Uses | 215 | ||
Psoriasis | 215 | ||
Contraindications | 215 | ||
Adverse Effects | 215 | ||
Myelosuppression | 215 | ||
Gastrointestinal effects | 215 | ||
Drug Interactions | 215 | ||
Monitoring Guidelines | 216 | ||
Therapeutic Guidelines | 216 | ||
Hydroxyurea | 216 | ||
Pharmacology (Table 17-2) | 216 | ||
Mechanism of Action | 216 | ||
Clinical Use | 216 | ||
Psoriasis | 217 | ||
Contraindications | 217 | ||
Adverse Effects | 217 | ||
Myelosuppression | 217 | ||
Cutaneous adverse effects | 217 | ||
Other adverse effects | 218 | ||
Drug Interactions | 218 | ||
Monitoring Guidelines | 218 | ||
Therapeutic Guidelines | 218 | ||
Alkylating agents | 218 | ||
Cyclophosphamide | 219 | ||
Pharmacology | 219 | ||
Mechanism of Action | 219 | ||
Clinical Use | 219 | ||
Vasculitis | 220 | ||
Mucous membrane pemphigoid (Cicatricial pemphigoid) | 221 | ||
Pemphigus | 221 | ||
Contraindications | 221 | ||
Adverse Effects | 221 | ||
Hemorrhagic cystitis and bladder cancer | 221 | ||
Carcinogenesis | 222 | ||
Other adverse effects | 222 | ||
Drug Interactions | 222 | ||
Monitoring Guidelines | 223 | ||
Therapeutic Guidelines | 224 | ||
Chlorambucil | 224 | ||
Pharmacology | 224 | ||
Mechanism of Action | 224 | ||
Clinical Use | 224 | ||
Off Label Dermatologic Uses | 224 | ||
Necrobiotic xanthogranuloma | 224 | ||
Pyoderma grangrenosum | 224 | ||
Contraindications | 225 | ||
Adverse Effects | 225 | ||
General adverse effects | 225 | ||
Carcinogenesis | 225 | ||
Drug Interactions | 226 | ||
Monitoring Guidelines | 226 | ||
Therapeutic Guidelines | 226 | ||
Melphalan | 226 | ||
Bibliography: Important Reviews and Chapters* | 227 | ||
Web References | 227.e1 | ||
Thioguanine | 227.e1 | ||
Hydroxyurea | 227.e1 | ||
Cyclophosphamide | 227.e2 | ||
Chlorambucil | 227.e3 | ||
Melphalan | 227.e4 | ||
18 Dapsone | 228 | ||
Introduction | 228 | ||
Pharmacology | 228 | ||
Absorption and bioavailability | 228 | ||
Metabolism (Figure 18-2) | 229 | ||
Excretion | 230 | ||
Mechanism of action (Table 18-3) | 230 | ||
Neutrophil respiratory burst (Figure 18-3) | 230 | ||
Neutrophil chemotaxis | 232 | ||
Effect on eosinophils and monocytes | 232 | ||
Effects of dapsone metabolites | 232 | ||
Clinical use | 232 | ||
Dermatologic indications – consistent efficacy | 232 | ||
Dermatitis herpetiformis | 233 | ||
Linear iga Bullous Dermatosis and Chronic Bullous Dermatosis of Childhood Q18-5 | 233 | ||
Bullous eruption of systemic lupus erythematosus | 233 | ||
Leprosy | 233 | ||
Erythema elevatum diutinum | 233 | ||
Other dermatologic indications – variable efficacy (Box 18-1) | 233 | ||
Autoimmune bullous dermatoses | 234 | ||
Vasculitis | 234 | ||
Neutrophilic dermatoses | 234 | ||
Other dermatoses | 234 | ||
Contraindications (Box 18-1) | 234 | ||
Adverse effects – pharmacologic | 234 | ||
Hemolytic anemia | 234 | ||
Methemoglobinemia | 235 | ||
Measures to treat hemolysis and methemoglobinemia | 235 | ||
Adverse effects – idiosyncratic | 236 | ||
Agranulocytosis | 236 | ||
PERIPHERAL NEUROPATHY | 236 | ||
Other neurologic effects | 236 | ||
Gastrointestinal effects | 236 | ||
Dapsone hypersensitivity syndrome | 237 | ||
Other cutaneous hypersensitivity eruptions | 237 | ||
Cross-reactivity with sulfonamide antibiotics | 237 | ||
Photosensitivity | 237 | ||
Carcinogenesis | 237 | ||
Pregnancy and lactation | 237 | ||
Drug interactions (Table 18-4) | 237 | ||
Monitoring guidelines (Box 18-3) | 237 | ||
Therapeutic guidelines | 239 | ||
Bibliography: Important Reviews and Chapters | 240 | ||
References* | 240 | ||
Web references | 240.e1 | ||
Introduction and pharmacology | 240.e1 | ||
Dapsone mechanisms of action | 240.e1 | ||
Dermatitis herpetiformis | 240.e1 | ||
Bullous systemic lupus erythematosus | 240.e1 | ||
Leprosy | 240.e1 | ||
Erythema elevatum diutinum | 240.e1 | ||
Autoimmune bullous dermatoses | 240.e1 | ||
Vasculitis | 240.e2 | ||
Neutrophilic dermatoses | 240.e2 | ||
Cutaneous lupus erythematosus | 240.e2 | ||
Relapsing polychondritis | 240.e2 | ||
Granuloma annulare | 240.e2 | ||
Brown recluse spider bites | 240.e2 | ||
Granuloma faciale | 240.e2 | ||
Rosacea | 240.e2 | ||
Panniculitis | 240.e2 | ||
Other dermatoses | 240.e2 | ||
Dapsone and sulfonamide cross-reactivity | 240.e2 | ||
Hemolytic anemia and methemoglobinemia | 240.e2 | ||
Agranulocytosis | 240.e2 | ||
Peripheral neuropathy | 240.e2 | ||
Other neurologic effects | 240.e3 | ||
Gastrointestinal effects | 240.e3 | ||
Dapsone hypersensitivity syndrome | 240.e3 | ||
Other adverse effects | 240.e3 | ||
Monitoring guidelines | 240.e3 | ||
19 Antimalarial agents | 241 | ||
Introduction | 241 | ||
Pharmacology | 241 | ||
Structure | 241 | ||
Absorption and bioavailability | 241 | ||
Metabolism and excretion | 242 | ||
Mechanism of action | 243 | ||
Effects on photosensitivity dermatoses | 243 | ||
Immunosuppressive effects | 243 | ||
Anti-inflammatory effects | 243 | ||
Other mechanisms of action | 243 | ||
Clinical use | 243 | ||
FDA-approved indications | 243 | ||
Lupus erythematosus | 244 | ||
Off-label uses | 244 | ||
Porphyria cutanea tarda | 244 | ||
Other photodermatoses | 244 | ||
Granulomatous dermatoses | 245 | ||
Benign lymphocytic infiltrates | 245 | ||
Panniculitis | 245 | ||
Other dermatoses | 245 | ||
Psoriatic arthritis | 245 | ||
Contraindications | 245 | ||
Adverse effects | 246 | ||
Retinopathy | 246 | ||
Other ocular effects | 247 | ||
Use in Children | 247 | ||
Use in Pregnancy and Lactation | 247 | ||
Miscellaneous systemic adverse effects | 247 | ||
Cutaneous adverse effects | 247 | ||
Acute poisoning | 248 | ||
Monitoring guidelines70–72,107 | 248 | ||
Drug interactions | 248 | ||
Therapeutic guidelines | 248 | ||
Treatment of PCT | 250 | ||
Bibliography: important antimalarial reviews and chapters | 250 | ||
Antimalarial overviews | 250 | ||
References* | 251 | ||
Web references | 251.e1 | ||
Introduction and pharmacology | 251.e1 | ||
Lupus erythematosus | 251.e1 | ||
FDA-approved indications | 251.e1 | ||
Off-label uses – porphyria cutanea tarda | 251.e1 | ||
Other photosensitivity dermatoses | 251.e1 | ||
Benign lymphocytic infiltrates | 251.e2 | ||
Panniculitis | 251.e2 | ||
Other dermatoses | 251.e2 | ||
Psoriatic arthritis | 251.e2 | ||
Risk in pregnancy | 251.e2 | ||
Other contraindications | 251.e2 | ||
Adverse effects – ocular risk | 251.e2 | ||
Use in pregnancy and in children | 251.e2 | ||
Miscellaneous systemic adverse effects | 251.e2 | ||
Cutaneous adverse effects | 251.e3 | ||
Poisoning | 251.e3 | ||
Monitoring and therapeutic guidelines | 251.e3 | ||
20 Systemic retinoids | 252 | ||
Introduction and historical perspective | 252 | ||
Pharmacology | 253 | ||
Vitamin A physiology | 253 | ||
Structure | 254 | ||
Absorption and distribution | 254 | ||
Metabolism and excretion | 254 | ||
General aspects | 254 | ||
Acitretin re-esterification (reverse metabolism) | 255 | ||
Mechanism of retinoid action | 255 | ||
Transport of Retinoids | 255 | ||
Mechanism at the Nuclear Level | 255 | ||
Clinical use | 255 | ||
Practical considerations | 256 | ||
FDA-approved indications | 256 | ||
Psoriasis – retinoids as monotherapy | 256 | ||
Psoriasis – Retinoids in Combination Therapy | 257 | ||
Retinoids in Combination with Biologic Agents | 257 | ||
Acne vulgaris | 257 | ||
CTCL – Mycosis Fungoides and Sézary Syndrome | 258 | ||
Off-label dermatologic uses | 258 | ||
Rosacea | 258 | ||
Hidradenitis Suppurativa and Dissecting Cellulitis of the Scalp | 258 | ||
Darier’s disease | 258 | ||
Pityriasis rubra pilaris | 258 | ||
Ichthyosiform dermatoses | 258 | ||
Chemoprevention of Malignancy | 258 | ||
Lupus erythematosus | 259 | ||
Lichen planus | 259 | ||
Chronic hand eczema | 259 | ||
Adverse effects | 259 | ||
Teratogenicity – Women Exposed to Retinoids | 260 | ||
Teratogenicity – Males Exposed to Retinoids | 260 | ||
The ‘iPledge’ Registry Requirements and an Update After the First Year of the Program | 261 | ||
Mucocutaneous adverse effects | 261 | ||
Lipid effects | 261 | ||
Depression | 262 | ||
Inflammatory bowel disease | 262 | ||
Bone effects | 263 | ||
Ocular effects | 263 | ||
Liver effects | 264 | ||
Thyroid effects | 264 | ||
Central nervous system effects | 264 | ||
Muscle effects | 264 | ||
Hair and Nail Effects | 264 | ||
Hematologic effects | 264 | ||
Drug interactions | 264 | ||
Monitoring guidelines | 264 | ||
Therapeutic guidelines | 267 | ||
Acknowldgment | 267 | ||
Bibliography: Important Reviews and Chapters | 268 | ||
Drug category overviews | 268 | ||
Specific retinoids | 268 | ||
Retinoid chemoprevention of malignancies | 268 | ||
Adverse effects overviews and monitoring guidelines | 268 | ||
References* | 268 | ||
Web references | 268.e1 | ||
Introduction and historical perspective | 268.e1 | ||
Pharmacology | 268.e1 | ||
Mechanism of action | 268.e1 | ||
Psoriasis – monotherapy | 268.e1 | ||
Psoriasis – combination therapy | 268.e1 | ||
Acne | 268.e1 | ||
Cutaneous T-cell lymphoma | 268.e2 | ||
V Drugs Used in Conjunction with Ultraviolet or Visible Light | 279 | ||
22 PUVA photochemotherapy and other phototherapy modalities | 279 | ||
Introduction and drug history | 279 | ||
Puva photochemotherapy | 279 | ||
Pharmacology | 279 | ||
Structure | 280 | ||
Absorption | 280 | ||
Bioavailability | 280 | ||
Metabolism | 281 | ||
Excretion | 281 | ||
Photochemistry | 281 | ||
Mechanism of action | 281 | ||
Suppression of DNA Synthesis | 281 | ||
Photoimmunologic effects | 281 | ||
Selective cytotoxicity | 281 | ||
Stimulation of Melanocytes | 281 | ||
Summary | 281 | ||
Clinical use | 281 | ||
FDA-approved indications | 281 | ||
Psoriasis | 281 | ||
Vitiligo | 281 | ||
Off-label dermatologic uses | 282 | ||
Cutaneous T-cell Lymphoma | 282 | ||
Other cutaneous malignancies | 282 | ||
Dermatitis and Papulosquamous Dermatoses | 282 | ||
Photosensitivity dermatoses | 282 | ||
Other pruritic dermatoses | 283 | ||
Other immunologic dermatoses | 283 | ||
Miscellaneous dermatoses | 283 | ||
Contraindications | 283 | ||
Treatment procedure | 283 | ||
Methoxsalen administration | 283 | ||
UVA radiation | 283 | ||
Clearance schedule | 284 | ||
Maintenance schedule | 284 | ||
Adjunctive treatment | 284 | ||
Combination treatments | 284 | ||
Protection | 284 | ||
Short-term adverse effects | 285 | ||
Long-term adverse effects | 285 | ||
Non-melanoma skin cancer risk | 285 | ||
Melanoma risk | 286 | ||
Other long-term risks | 286 | ||
Drug interactions | 286 | ||
Monitoring guidelines (Box 22-8) | 286 | ||
Therapeutic guidelines | 286 | ||
Other forms of PUVA therapy | 286 | ||
Narrowband UVB phototherapy | 287 | ||
Introduction | 287 | ||
Clinical use | 287 | ||
Psoriasis | 287 | ||
Vitiligo | 287 | ||
Neoplastic dermatoses | 287 | ||
Atopic dermatitis | 287 | ||
Photosensitivity dermatoses | 287 | ||
Pruritus | 287 | ||
Miscellaneous dermatoses | 287 | ||
Contraindications | 287 | ||
Treatment procedure | 287 | ||
Protection | 288 | ||
Adverse effects | 288 | ||
UVA-1 phototherapy | 288 | ||
Clinical use | 288 | ||
ATOPIC ECZEMA/DERMATITIS | 289 | ||
Scleroderma | 289 | ||
Systemic lupus erythematosus | 289 | ||
Contraindications | 289 | ||
Treatment procedure | 289 | ||
Adverse effects | 289 | ||
Bibliography: Important Reviews and Chapters | 289 | ||
Guidelines of care for PUVA | 289 | ||
Puva indications | 289 | ||
Puva safety issues | 289 | ||
References* | 290 | ||
Web references | 290.e1 | ||
Introduction and pharmacology | 290.e1 | ||
Clinical use – psoriasis | 290.e1 | ||
Vitiligo | 290.e1 | ||
Neoplastic | 290.e1 | ||
Papulosquamous/dermatitis | 290.e1 | ||
Photosensitivity dermatoses | 290.e1 | ||
Other off-label uses | 290.e1 | ||
Treatment procedure | 290.e2 | ||
Adverse effects | 290.e2 | ||
Non-melanoma skin cancer risk | 290.e2 | ||
Controversy on possible melanoma risk (see also80–88) | 290.e2 | ||
Cataract risk | 290.e2 | ||
Drug interactions | 290.e2 | ||
Need for long-term or intermittent therapy | 290.e2 | ||
Other forms of PUVA photochemotherapy | 290.e2 | ||
Narrowband UVB phototherapy | 290.e3 | ||
UVA-1 phototherapy | 290.e3 | ||
23 Extracorporeal photochemotherapy (photopheresis) | 291 | ||
Introduction | 291 | ||
Treatment delivery and considerations | 291 | ||
Pharmacology | 292 | ||
Mechanism of action – ECP | 292 | ||
Cutaneous T-cell lymphoma | 292 | ||
Autoimmune dermatoses | 293 | ||
Clinical use | 293 | ||
FDA-approved indications | 293 | ||
Cutaneous t-cell lymphoma | 293 | ||
Monitoring CTCL Response to ECP (Box 23-3) | 294 | ||
Combination Therapy in CTCL Patients | 294 | ||
Other dermatologic uses – treatment of T-cell-mediated autoimmune dermatoses | 295 | ||
Monitoring Response of Autoimmune Dermatoses to ECP | 295 | ||
Graft-versus-host disease (GVHD) | 295 | ||
Scleroderma | 296 | ||
Erosive oral lichen planus | 296 | ||
Pemphigus vulgaris and foliaceus | 296 | ||
Epidermolysis bullosa acquisita | 297 | ||
Adverse effects | 297 | ||
Therapeutic guidelines | 298 | ||
Bibliography: Important Reviews and Chapters | 298 | ||
References* | 298 | ||
Web references | 298.e1 | ||
Mechanism of action – CTCL | 298.e1 | ||
Mechanism of action – autoimmunity | 298.e1 | ||
Clinical use – CTCL | 298.e1 | ||
Scleroderma | 298.e1 | ||
Pemphigus vulgaris | 298.e1 | ||
Pemphigus foliaceous | 298.e1 | ||
Epidermolysis bullosa acquisita | 298.e1 | ||
Acute GVHD | 298.e1 | ||
Chronic GVHD | 298.e1 | ||
Nephrogenic systemic fibrosis | 298.e1 | ||
Oral erosive lichen planus | 298.e2 | ||
FDA-approved indications – CTCL | 298.e2 | ||
Multimodality treatment in CTCL | 298.e2 | ||
Monitoring ECP in CTCL | 298.e2 | ||
Clinical use – GVHD | 298.e2 | ||
Scleroderma | 298.e2 | ||
Clinical use – other dermatoses | 298.e2 | ||
Autoimmune blistering diseases | 298.e2 | ||
24 Photodynamic therapy | 299 | ||
Introduction | 299 | ||
Pharmacology | 299 | ||
Structure | 299 | ||
Absorption and bioavailability | 299 | ||
Metabolism and elimination | 299 | ||
Mechanisms of action | 300 | ||
Factors influencing porphyrin accumulation and activation | 300 | ||
Photochemical and photobiologic reactions | 300 | ||
Mechanisms pertinent to various dermatoses treated | 300 | ||
Formulations available | 300 | ||
Aminolevulinic acid | 300 | ||
Methyl aminolevulinate | 300 | ||
Other | 301 | ||
Clinical use | 301 | ||
FDA-approved indications | 301 | ||
Actinic keratosis | 301 | ||
Off-label uses | 302 | ||
Basal cell carcinoma | 302 | ||
Squamous cell carcinoma in situ | 302 | ||
ACNE | 302 | ||
Photoaging | 302 | ||
Other applications | 303 | ||
Contraindications | 303 | ||
Pregnancy and lactation | 303 | ||
Children and adolescents | 303 | ||
Carcinogenicity, mutagenicity and impairment of fertility | 303 | ||
Precautions | 303 | ||
Adverse effects | 303 | ||
Phototoxic reactions – desired and excessive | 303 | ||
Pigmentary abnormalities and hypersensitivity reactions | 303 | ||
Systemic absorption potential | 303 | ||
Drug interactions | 303 | ||
Monitoring guidelines | 303 | ||
General therapeutic guidelines for PDT treatment of actinic keratoses | 303 | ||
Bibliography: important photodynamic therapy reviews and chapters | 304 | ||
Historical perspective | 304 | ||
Pharmacology | 304 | ||
General overviews | 304 | ||
Web References | 305.e1 | ||
Introduction and pharmacology | 305.e1 | ||
Clinical use – actinic keratoses | 305.e1 | ||
Basal cell carcinomas | 305.e1 | ||
Squamous cell carcinoma – in situ | 305.e1 | ||
Acne vulgaris | 305.e1 | ||
Photoaging | 305.e1 | ||
Other off-label uses | 305.e1 | ||
Sunscreens for protection post-PDT | 305.e1 | ||
References* | 304 | ||
VI Biological Therapeutics | 307 | ||
25 Tumor necrosis factor (TNF) inhibitors | 307 | ||
Introduction – psoriasis pathogenesis | 307 | ||
Etanercept | 309 | ||
Pharmacology | 309 | ||
Clinical use | 309 | ||
FDA-approved indications (Box 25-131–63) | 309 | ||
Plaque psoriasis | 309 | ||
Off-label dermatologic uses | 310 | ||
Contraindications | 311 | ||
Adverse effects of etanercept | 311 | ||
Anti-drug antibodies | 311 | ||
Injection site reactions | 311 | ||
Drug interactions | 311 | ||
Monitoring guidelines | 311 | ||
Therapeutic guidelines | 311 | ||
Infliximab | 312 | ||
Pharmacology | 312 | ||
Clinical use | 312 | ||
FDA-approved indications (Box 25-249,83–110) | 312 | ||
Psoriatic arthritis and psoriasis | 312 | ||
Off-label dermatologic uses | 313 | ||
Contraindications | 313 | ||
Adverse effects | 313 | ||
Infusion reactions | 313 | ||
Anti-drug antibodies | 313 | ||
Hepatotoxicity | 313 | ||
Drug interactions | 313 | ||
Monitoring guidelines | 314 | ||
Therapeutic guidelines | 314 | ||
Adalimumab | 314 | ||
Pharmacology | 314 | ||
Clinical use | 314 | ||
FDA-approved indications (Box 25-3) | 314 | ||
Psoriasis | 314 | ||
Off-label dermatologic uses | 315 | ||
Contraindications | 315 | ||
Adverse effects | 315 | ||
Injection site reactions | 315 | ||
Anti-drug antibodies | 315 | ||
Drug interactions | 315 | ||
Monitoring guidelines | 315 | ||
Therapeutic guidelines | 315 | ||
Adverse effects of the tnf blockers in general | 315 | ||
Malignancy risk – lymphoma | 315 | ||
Skin cancer risk | 316 | ||
Malignancies in children | 316 | ||
Infections | 316 | ||
Neurological disease | 317 | ||
Congestive heart failure | 317 | ||
Autoimmunity | 317 | ||
Hematologic toxicity | 317 | ||
Monitoring guidelines | 317 | ||
Bibliography: important reviews and chapters | 318 | ||
Basic science overview with TNF inhibitors | 318 | ||
TNF inhibitors overviews for psoriasis/psoriatic arthritis | 318 | ||
Off label uses of TNF inhibitors | 318 | ||
Risks of TNF therapy | 318 | ||
Web References | 318.e1 | ||
Introduction | 318.e1 | ||
Etanercept – pharmacology | 318.e1 | ||
Etanercept – clinical trials | 318.e1 | ||
Etanercept – off-label uses | 318.e1 | ||
Etanercept – contraindications | 318.e2 | ||
Etanercept – adverse effects | 318.e2 | ||
Infliximab – pharmacology | 318.e2 | ||
Infliximab – clinical trials | 318.e2 | ||
Infliximab – off-label uses | 318.e2 | ||
Infliximab – adverse effects | 318.e3 | ||
Adalimumab – pharmacology and clnical trials | 318.e3 | ||
Adalimumab – off-label uses | 318.e3 | ||
Adalimumab – adverse effects | 318.e4 | ||
TNF blockers – adverse effects | 318.e4 | ||
References* | 318 | ||
26 Interleukin 12/23 inhibitors | 319 | ||
Introduction | 319 | ||
Monoclonal antibody treatments | 319 | ||
Mechanism of action – the interleukin-12/23 pathway | 321 | ||
The interleukin-23 pathway (Th17 axis) | 321 | ||
Targeting the interleukin-23 pathway (Th17 axis) | 323 | ||
Interleukin-12/23 therapy | 324 | ||
FDA approval | 324 | ||
Ustekinumab | 326 | ||
Pharmacology | 326 | ||
Pharmacokinetics | 326 | ||
Clinical use – ustekinumab | 326 | ||
Efficacy | 326 | ||
Adverse effects | 328 | ||
Clinical trials data – ustekinumab | 328 | ||
Immunological insight into biological therapy safety | 329 | ||
Briakinumab | 330 | ||
Pharmacology | 330 | ||
Pharmacokinetics | 330 | ||
Clinical use – briakinumab | 330 | ||
Efficacy | 330 | ||
Adverse effects | 330 | ||
Clinical trials data – briakinumab | 330 | ||
Considerations for interleukin treatment | 330 | ||
Dosing schedules | 330 | ||
Quality of life issues | 331 | ||
Overview adverse effects – interleukin inhibitors | 331 | ||
Infection and malignancy | 331 | ||
Antibody formation and efficacy | 331 | ||
The future: combination therapy and switching | 331 | ||
Conclusions | 331 | ||
Bibliography: important reviews and chapters | 332 | ||
Pathogenesis of psoriasis | 332 | ||
Ustekinumab | 332 | ||
Briakinumab | 332 | ||
Web References | 332.e1 | ||
Psoriasis background | 332.e1 | ||
Mechanisms of action – interleukin-12/23 pathway | 332.e1 | ||
Mechanisms of action – interleukin-23 pathway (Th17 axis) | 332.e1 | ||
Targeting the interleukin-23 pathway (Th17 axis) | 332.e1 | ||
FDA approval of interleukin therapy | 332.e1 | ||
Ustekinumab – pharmacokinetics, efficacy, and safety | 332.e2 | ||
Immunological insights into biologic safety | 332.e2 | ||
Briankinumab – pharmacokinetics, efficacy, and safety | 332.e2 | ||
Considerations for interleukin treatment | 332.e2 | ||
References* | 332 | ||
27 Rituximab and future biological therapies | 333 | ||
Introduction | 333 | ||
Rituximab | 333 | ||
Pharmacology | 333 | ||
Structure | 333 | ||
Pharmacokinetics | 333 | ||
Mechanism of action | 334 | ||
Clinical use | 335 | ||
FDA-approved indications (Box 27-1) | 335 | ||
Off-label dermatologic indications | 335 | ||
Pemphigus vulgaris, pemphigus foliaceus, and paraneoplastic pemphigus | 336 | ||
Epidermolysis bullosa acquisita | 336 | ||
Bullous pemphigoid | 336 | ||
Mucous membrane (cicatricial) pemphigoid | 336 | ||
Dermatomyositis | 337 | ||
Cutaneous lupus erythematosus | 337 | ||
Graft-versus-host disease (acute and chronic) | 337 | ||
Vasculitis | 337 | ||
Primary cutaneous B-cell lymphoma | 337 | ||
Contraindications | 337 | ||
Warning and precautions | 337 | ||
General precautions | 337 | ||
Special populations | 338 | ||
Adverse effects | 338 | ||
General issues | 338 | ||
Infusion reactions | 338 | ||
Tumor lysis syndrome | 338 | ||
Infections | 338 | ||
Cytopenias | 338 | ||
Risk of malignancy | 338 | ||
Antibodies to the drug | 338 | ||
Drug interactions | 338 | ||
Monitoring guidelines | 338 | ||
Therapeutic guidelines | 338 | ||
Administration and dosing | 338 | ||
Long-term therapy | 339 | ||
Combination therapy | 339 | ||
Biologic therapies in development or recently approved | 339 | ||
References* | 340 | ||
Web References | 341.e1 | ||
Clinical use – general | 341.e1 | ||
Pemphigus | 341.e1 | ||
Other bullous dermatoses | 341.e1 | ||
Autoimmune connective tissue diseases | 341.e2 | ||
Graft-versus-host disease | 341.e2 | ||
Vasculitis | 341.e2 | ||
Primary cutaneous B-cell lymphomas | 341.e2 | ||
Warnings and precautions | 341.e2 | ||
Adverse effects | 341.e3 | ||
Combination therapies | 341.e3 | ||
Biologic therapies in development | 341.e3 | ||
VII Miscellaneous Systemic Drugs | 343 | ||
28 Antihistamines | 343 | ||
Importance of histamine in skin diseases | 343 | ||
Mast cell production of histamine | 343 | ||
Histamine receptors and resultant effects | 343 | ||
Antihistamine mechanism of action | 344 | ||
Historical overview | 344 | ||
First-generation antihistamines | 344 | ||
Second-generation antihistamines | 344 | ||
First-generation antihistamines | 345 | ||
Pharmacology | 345 | ||
Clinical use | 347 | ||
Indications | 347 | ||
Special points | 348 | ||
Second-generation H1 antihistamines | 348 | ||
Fexofenadine | 348 | ||
VIII Topical Drugs for Infectious Diseases | 445 | ||
36 Topical Antibacterial Agents | 445 | ||
Introduction | 445 | ||
Drugs used for wound care and minor topical bacterial infections | 445 | ||
Bacitracin | 445 | ||
Pharmacology | 445 | ||
Microbiologic activity (Table 36-1) | 445 | ||
Clinical use | 445 | ||
Dermatologic uses | 445 | ||
Adverse effects | 447 | ||
Polymyxin B | 448 | ||
Pharmacology | 448 | ||
Microbiologic activity (Table 36-1) | 448 | ||
IX Topical Immunomodulatory and Antiproliferative Drugs | 487 | ||
40 Topical corticosteroids | 487 | ||
Introduction | 487 | ||
Pharmacology | 487 | ||
Estimating TCS potency | 487 | ||
Pharmacokinetics | 488 | ||
Structure of the TCS molecules | 488 | ||
Vehicle-related issues | 490 | ||
Role of condition of skin in percutaneous absorption | 490 | ||
Mechanism of action | 490 | ||
General concepts | 490 | ||
Anti-inflammatory effects | 491 | ||
Antiproliferative and atrophogenic effects | 492 | ||
Systemic effects | 492 | ||
Clinical use | 492 | ||
Indications | 492 | ||
Atopic dermatitis | 492 | ||
Discoid lupus erythematosus | 493 | ||
Granuloma annulare | 493 | ||
Lichen planus | 493 | ||
Lichen sclerosus et atrophicus | 494 | ||
Psoriasis – general approach | 494 | ||
Psoriasis – scalp treatment | 494 | ||
Psoriasis – combination of TCS with vitamin d products | 494 | ||
Psoriasis – combination of TCS with other therapies | 494 | ||
Psoriasis – effects of occlusion | 494 | ||
Seborrheic dermatitis | 495 | ||
Well’s syndrome | 495 | ||
Bullous dermatoses | 495 | ||
Erosive pustular dermatosis | 495 | ||
Behçet’s disease | 495 | ||
Pyoderma gangrenosum | 495 | ||
Alopecia areata | 495 | ||
Patch-stage cutaneous t-cell lymphoma | 495 | ||
Vitiligo | 495 | ||
Melasma | 496 | ||
Other dermatologic uses | 496 | ||
Adverse effects – systemic | 496 | ||
Effects on growth and HPA axis function | 496 | ||
Risk factors for systemic adverse effects | 496 | ||
Tests of HPA axis function | 497 | ||
TCS regimens that do not cause HPA axis suppression | 497 | ||
Use of TCS in pregnancy and lactation | 497 | ||
Adverse effects – local | 497 | ||
General issues regarding local effects | 497 | ||
Atrophy | 497 | ||
Addiction/rebound syndrome and perioral dermatitis | 497 | ||
Ocular effects | 497 | ||
Allergic contact dermatitis due to TCS molecule | 498 | ||
Tachyphylaxis | 498 | ||
Other local adverse effects | 499 | ||
Vehicle-related adverse effects | 499 | ||
Therapeutic guidelines | 499 | ||
Choosing a TCS preparation | 499 | ||
Compounding using TCS | 502 | ||
Supervising the TCS therapy | 502 | ||
Bibliography: important reviews and chapters | 504 | ||
General overviews | 504 | ||
Adverse effects – overviews | 504 | ||
References* | 504 | ||
Web References | 504.e1 | ||
Pharmacology | 504.e1 | ||
Mechanisms of action – general concepts | 504.e1 | ||
Mechanisms of action – anti-inflammatory effects | 504.e1 | ||
Mechanisms of action – antiproliferative and atrophogenic effects | 504.e1 | ||
Atopic dermatitis | 504.e2 | ||
Discoid lupus erythematosus | 504.e2 | ||
Granuloma annulare | 504.e2 | ||
Lichen planus | 504.e2 | ||
Lichen sclerosus et atrophicus | 504.e2 | ||
Psoriasis – general approach | 504.e2 | ||
Psoriasis – scalp treatment | 504.e2 | ||
Psoriasis – combination of TCS and calcipotriene | 504.e2 | ||
Psoriasis – combination of TCS with other therapies | 504.e3 | ||
Psoriasis – effects of TCS occlusion | 504.e3 | ||
Other inflammatory dermatoses | 504.e3 | ||
Bullous dermatoses – pemphigus and pemphigoid | 504.e3 | ||
Neutrophilic dermatoses – Behçet’s disease and pyoderma gangrenosum | 504.e3 | ||
Alopecia areata | 504.e3 | ||
Mycosis fungoides/cutaneous T-cell lymphoma | 504.e3 | ||
Vitiligo | 504.e3 | ||
Miscellaneous dermatoses | 504.e3 | ||
Other dermatoses | 504.e3 | ||
Systemic adverse effects – growth and HPA axis effects | 504.e4 | ||
Risk factors for systemic adverse effects | 504.e4 | ||
Local adverse effects – general issues | 504.e4 | ||
Atrophy effects | 504.e4 | ||
Addiction/rebound syndrome and perioral dermatitis | 504.e4 | ||
Ocular effects | 504.e4 | ||
Allergic contact dermatitis to TCS molecule | 504.e4 | ||
Tachyphylaxis | 504.e4 | ||
Other local adverse effects | 504.e5 | ||
Adverse effects due to the TCS vehicle | 504.e5 | ||
Therapeutic guidelines | 504.e5 | ||
41 Topical retinoids | 505 | ||
Introduction | 505 | ||
Pharmacology | 505 | ||
Structure | 505 | ||
Mechanism of action | 505 | ||
Teratogenicity | 507 | ||
All-trans retinol and all-trans retinoic acid | 507 | ||
Adapalene | 509 | ||
Tazarotene | 511 | ||
Bexarotene | 511 | ||
Alitretinoin (9-cis retinoic acid) | 512 | ||
Clinical use | 512 | ||
Indications | 512 | ||
Acne vulgaris | 512 | ||
Actinic keratoses | 514 | ||
Photoaging | 514 | ||
Pigmentary disorders | 514 | ||
Dysplastic nevi | 515 | ||
Plaque-type psoriasis | 515 | ||
Cutaneous T-cell lymphoma (CTCL) | 515 | ||
Aids-related kaposi’s sarcoma | 515 | ||
Wound healing and keloids | 515 | ||
Striae distensae | 516 | ||
Oral leukoplakia and lichen planus | 516 | ||
Other dermatoses | 516 | ||
Cosmeceuticals | 516 | ||
Adverse effects | 516 | ||
Acknowledgement | 516 | ||
Bibliography: important chapters and reviews | 517 | ||
Specific topical retinoids | 517 | ||
References* | 517 | ||
Web references | 517.e1 | ||
Introduction – drug development | 517.e1 | ||
Pharmacology | 517.e1 | ||
All-trans retinol and all-trans retinoic acid | 517.e1 | ||
Adapalene | 517.e1 | ||
Tazarotene | 517.e1 | ||
Bexarotene | 517.e1 | ||
Alitretinoin | 517.e1 | ||
Clinical use – acne vulgaris | 517.e1 | ||
Actinic keratosis | 517.e2 | ||
Photoaging | 517.e2 | ||
Pigmentary disorders/dysplastic nevi | 517.e2 | ||
Psoriasis | 517.e2 | ||
Cutaneous T-cell lymphoma | 517.e2 | ||
AIDS-related kaposi’s sarcoma | 517.e2 | ||
Wound healing and striae distensae | 517.e2 | ||
Oral leukoplakia and lichen planus | 517.e3 | ||
Other dermatoses | 517.e3 | ||
42 Topical and intralesional chemotherapeutic agents | 518 | ||
Introduction | 518 | ||
Topical chemotherapeutic agents | 518 | ||
5-Fluorouracil | 518 | ||
Pharmacology | 518 | ||
Mechanism of action | 518 | ||
Clinical use | 519 | ||
Indications | 519 | ||
Actinic keratoses | 519 | ||
Non-melanoma skin cancer | 520 | ||
Actinic cheilitis | 520 | ||
Keratoacanthomas | 520 | ||
Warts | 520 | ||
Porokeratosis | 520 | ||
Contraindications | 520 | ||
Adverse effects | 520 | ||
Therapeutic guidelines | 520 | ||
Mechlorethamine/nitrogen mustard | 521 | ||
Pharmacology | 521 | ||
Mechanism of action | 521 | ||
Clinical use | 521 | ||
Indications | 521 | ||
Mycosis fungoides – the Stanford University experience | 521 | ||
Mycosis fungoides – the New York University experience | 522 | ||
Mycosis fungoides – the Temple University experience | 522 | ||
Contraindications | 522 | ||
Adverse effects | 522 | ||
Contact dermatitis | 522 | ||
Induction of secondary cutaneous malignancies | 522 | ||
Pigment alteration | 522 | ||
Therapeutic guidelines Q42-5 | 522 | ||
Compounding nitrogen mustard solution | 522 | ||
Compounding nitrogen mustard ointment | 522 | ||
Treatment area | 522 | ||
Treatment duration | 523 | ||
Carmustine/BCNU | 523 | ||
Pharmacology | 523 | ||
Clinical use | 523 | ||
Indications | 523 | ||
Mycosis fungoides – study results with BCNU solution | 523 | ||
Mycosis fungoides – study results with BCNU ointment | 523 | ||
Contraindications | 523 | ||
Adverse effects | 523 | ||
Monitoring guidelines Q42-6 | 523 | ||
Therapeutic guidelines | 523 | ||
BCNU solution | 523 | ||
BCNU ointment | 524 | ||
Intralesional chemotherapeutic agents | 524 | ||
Vinblastine | 524 | ||
X Miscellaneous Topical Drugs | 551 | ||
46 Sunscreens | 551 | ||
Introduction | 551 | ||
Sunscreen options | 551 | ||
Active sunscreen ingredients | 551 | ||
UVB sunscreens | 553 | ||
Padimate O | 553 | ||
Octinoxate (octyl methoxycinnamate) | 554 | ||
Octisalate (octyl salicylate) | 554 | ||
Octocrylene | 554 | ||
Ensulizole (phenylbenzimidazole sulfonic acid) | 554 | ||
UVA sunscreens | 554 | ||
Oxybenzone | 554 | ||
Meradimate (menthyl anthranilate) | 554 | ||
Avobenzone (butylmethoxydibenzoylmethane) | 554 | ||
Ecamsule (tetraphthalydine dicamphor sulfonic acid) | 555 | ||
Physical blockers | 555 | ||
Titanium dioxide | 555 | ||
Zinc oxide | 555 | ||
Sunscreens pending approval | 555 | ||
Clinical use | 555 | ||
Indications | 555 | ||
SPF level | 556 | ||
UVA protection | 556 | ||
Sunscreen vehicles | 556 | ||
Emulsions | 557 | ||
Gels | 557 | ||
Sprays | 557 | ||
Sticks | 557 | ||
Cosmetics | 557 | ||
Adverse effects | 557 | ||
Subjective irritation | 557 | ||
Contact urticaria | 558 | ||
Irritant contact dermatitis | 558 | ||
Allergic contact dermatitis | 558 | ||
Photosensitivity | 558 | ||
Acne induction and exacerbation | 558 | ||
General photoprotection instructions for patients | 558 | ||
Special patient group instructions | 559 | ||
Photosensitive patients | 559 | ||
Patients with sensitive skin | 559 | ||
Acne-prone patients | 559 | ||
Children | 559 | ||
Theoretical inhibition of vitamin d synthesis | 559 | ||
Sunless tanners – dihydroxyacetone | 559 | ||
Summary | 560 | ||
Bibliography: Important Reviews and Chapters | 561 | ||
Web references | 561.e1 | ||
Definitions and sunscreen options | 561.e1 | ||
Clinical use | 561.e1 | ||
Adverse effects | 561.e1 | ||
Patient instructions | 561.e1 | ||
References* | 561 | ||
47 Therapeutic shampoos | 562 | ||
Introduction | 562 | ||
Dermatoses involving the scalp | 562 | ||
Seborrheic dermatitis and related scalp conditions | 562 | ||
Psoriasis | 562 | ||
Lichen simplex chronicus | 564 | ||
Other scalp dermatoses | 564 | ||
Historical perspective | 564 | ||
Pharmacology | 564 | ||
Mechanism of action Q47-2 | 564 | ||
General properties of therapeutic shampoos | 564 | ||
Keratolytic effects | 564 | ||
Anti-inflammatory effects | 565 | ||
Antiproliferative effects | 565 | ||
Antipityrosporum effects | 565 | ||
Systemic absorption | 565 | ||
Clinical use | 566 | ||
Indications | 566 | ||
Adverse effects | 566 | ||
Safety in pregnancy | 566 | ||
Safety in children | 566 | ||
Allergic and irritant contact dermatitis | 566 | ||
Other adverse effects | 567 | ||
Therapeutic guidelines | 567 | ||
Application technique and frequency | 567 | ||
Ketoconazole and ciclopirox | 567 | ||
Selenium sulfide and zinc pyrithione | 567 | ||
Salicylic acid and tar | 568 | ||
Clobetasol propionate and fluocinolone acetonide | 568 | ||
Chronic use of therapeutic shampoos | 568 | ||
Rotational therapy | 568 | ||
Adjunctive scalp therapy – topical and systemic | 568 | ||
Role in tinea capitis | 568 | ||
Prescription products | 568 | ||
Drug interactions | 568 | ||
Summary | 569 | ||
Bibliography: important reviews and chapters | 569 | ||
References* | 569 | ||
Web references | 569.e1 | ||
Introduction | 569.e1 | ||
Mechanisms of action | 569.e1 | ||
Systemic absorption | 569.e1 | ||
Adverse effects | 569.e2 | ||
Therapeutic guidelines | 569.e2 | ||
48 α-Hydroxy acids | 570 | ||
Introduction | 570 | ||
Pharmacology | 570 | ||
Structure | 570 | ||
Mechanism of action | 571 | ||
Epidermal effects | 571 | ||
Dermal effects | 571 | ||
Polyhydroxy acids effects | 571 | ||
Clinical use | 572 | ||
Xerosis and ichthyosis | 572 | ||
Rhytides and dermatoheliosis (photoaged skin) | 572 | ||
Nail disorders | 574 | ||
Acne vulgaris and related conditions | 574 | ||
Rosacea | 574 | ||
Hyperpigmentation | 574 | ||
Actinic keratoses | 575 | ||
Formulations | 575 | ||
Bioavailability | 575 | ||
Vehicle components and AHA absorption | 576 | ||
Formulation Ph and irritancy | 576 | ||
Formulation Ph and dermal/epidermal effects | 576 | ||
Combination products | 576 | ||
Prescription versus over-the-counter status | 576 | ||
Adverse effects | 577 | ||
Irritancy and pigmentary changes | 577 | ||
Herpes simplex infections | 577 | ||
Photosensitivity versus photoprotection | 577 | ||
Summary | 577 | ||
Bibliography: important reviews and chapters | 578 | ||
References* | 578 | ||
Web References | 578.e1 | ||
Pharmacology | 578.e1 | ||
Clinical use | 578.e1 | ||
Formulations – cosmeceutical uses | 578.e1 | ||
Adverse effects | 578.e1 | ||
49 Chemical peels | 579 | ||
Introduction | 579 | ||
Superficial chemical peels | 579 | ||
α-Hydroxy acids | 579 | ||
β-Hydroxy acids | 579 | ||
Jessner’s solution | 580 | ||
Medium-depth chemical peels | 580 | ||
Combination peels | 580 | ||
Monheit peel | 580 | ||
Brody peel | 580 | ||
Coleman peel | 580 | ||
Deep chemical peels | 581 | ||
Clinical use | 581 | ||
Indications (Box 49-1) Q49-7 | 581 | ||
Melasma | 581 | ||
Photoaging | 581 | ||
Acne vulgaris | 582 | ||
Adverse effects (Box 49-2) | 582 | ||
Persistent erythema | 582 | ||
Pigmentary changes | 582 | ||
Milia | 582 | ||
Acneiform eruptions | 582 | ||
Infections | 582 | ||
Scarring | 582 | ||
Cardiotoxicity | 582 | ||
Use in pregnancy | 583 | ||
Bibliography: important reviews and chapters | 583 | ||
References* | 583 | ||
Web References | 583.e1 | ||
Introduction | 583.e1 | ||
Superficial, intermediate, and deep chemical peels | 583.e1 | ||
Indications | 583.e1 | ||
Cardiac toxicity | 583.e1 | ||
50 Products for the care of chronic wounds | 584 | ||
Introduction | 584 | ||
Wound healing physiology and ideal wound healing environment | 584 | ||
General approach to a patient with chronic wounds | 584 | ||
Wound history | 584 | ||
Past medical history | 585 | ||
Past surgical history | 585 | ||
Medication history | 585 | ||
Social history | 585 | ||
Review of systems | 585 | ||
Physical examination | 585 | ||
Laboratory evaluation | 585 | ||
Culture | 585 | ||
Imaging studies | 589 | ||
Venous ulcer disease | 589 | ||
Compression therapy for venous leg ulcers | 589 | ||
General concepts of compression therapy | 589 | ||
Unna boot plus primary dressing | 590 | ||
Stretch bandages | 590 | ||
Multilayer elastic bandages | 590 | ||
Q50-7 Clinical trials concerning compression therapy for venous ulcers | 590 | ||
Comparison between methods | 590 | ||
Wound bed preparation | 590 | ||
Wound care dressings used in venous ulcerations | 591 | ||
Hydrocolloids | 591 | ||
Foams | 591 | ||
Alginates | 591 | ||
Oasis | 591 | ||
Apligraf | 591 | ||
Periwound protectants | 593 | ||
Systemic and surgical treatments | 593 | ||
Pentoxifylline | 593 | ||
Surgical therapy | 593 | ||
Traditional surgical therapy | 593 | ||
Endovascular ablation techniques | 593 | ||
Growth factor therapy | 593 | ||
Bibliography: important reviews and chapters | 594 | ||
Treatment modalities in venous ulcers | 594 | ||
Compression in venous ulcers | 594 | ||
References* | 594 | ||
Web References | 594.e1 | ||
Introduction and wound healing | 594.e1 | ||
Venous insufficiency and venous ulcers | 594.e1 | ||
Compression in venous ulcers | 594.e1 | ||
Wound bed preparation | 594.e1 | ||
Treatment modalities in venous ulcers | 594.e1 | ||
Presentation of different ulcers and treatment | 594.e1 | ||
51 Agents used for treatment of hyperkeratosis | 595 | ||
Introduction | 595 | ||
Salicylic acid | 595 | ||
Pharmacology | 595 | ||
Chemistry | 595 | ||
Mechanism of action | 595 | ||
Keratolytic and desmolytic effects | 595 | ||
Sunscreen effects | 596 | ||
Anti-inflammatory effects | 596 | ||
Clinical use | 596 | ||
Dermatologic uses | 596 | ||
Verruca and calluses | 596 | ||
Scalp psoriasis and seborrheic dermatitis | 596 | ||
Ichthyosis and related conditions | 596 | ||
Dermatophyte infections | 597 | ||
Acne | 597 | ||
Psoriasis (non-scalp) | 597 | ||
Use in sunscreens | 597 | ||
Pruritus and pain | 597 | ||
Photoaging – chemical peels | 597 | ||
Hyperkeratosis | 597 | ||
Hyperhidrosis | 597 | ||
Adverse effects | 597 | ||
Systemic absorption – salicylism | 597 | ||
Systemic absorption – hypoglycemia | 598 | ||
Contact allergy | 598 | ||
Sulfur | 598 | ||
Pharmacology | 598 | ||
Chemistry | 598 | ||
Mechanism of action | 599 | ||
Keratolytic and keratoplastic effects | 599 | ||
Antifungal effects | 599 | ||
Antibacterial effects | 599 | ||
Antiparasitic effects | 599 | ||
Pharmacokinetics | 599 | ||
Clinical use | 599 | ||
Dermatologic uses | 599 | ||
Acne and rosacea | 599 | ||
Scabies | 600 | ||
Adverse effects | 600 | ||
Tar | 600 | ||
Pharmacology | 600 | ||
Chemistry | 600 | ||
Mechanism of action | 600 | ||
Antiproliferative effects | 600 | ||
Other effects of tar | 600 | ||
Clinical use | 600 | ||
Dermatologic uses | 600 | ||
Psoriasis | 601 | ||
Seborrheic dermatitis | 601 | ||
Use of tar in compounding | 601 | ||
Adverse effects | 601 | ||
Possible carcinogenesis | 601 | ||
Aesthetic issues | 601 | ||
Phototoxicity | 601 | ||
Contact allergy | 601 | ||
Other adverse effects of tar | 601 | ||
Urea | 602 | ||
Pharmacology | 602 | ||
Chemistry | 602 | ||
Mechanism of action | 602 | ||
General effects of urea | 602 | ||
Keratolytic and hygroscopic/humectant effects | 602 | ||
Clinical use | 602 | ||
Dermatologic uses | 602 | ||
Xerosis and hyperkeratosis | 602 | ||
Chemical nail avulsion | 602 | ||
Less common uses of urea | 603 | ||
Adverse effects | 603 | ||
Bibliography: important reviews and chapters | 603 | ||
Salicylic acid | 603 | ||
Sulfur | 603 | ||
Tar | 603 | ||
Urea | 603 | ||
Web References | 603.e1 | ||
Salicylic acid – pharmacology | 603.e1 | ||
Salicylic acid – clinical use | 603.e1 | ||
Salicylic acid – adverse effects | 603.e1 | ||
Sulfur – pharmacology | 603.e1 | ||
Sulfur – clinical use | 603.e2 | ||
Sulfur – adverse effects | 603.e2 | ||
Tar – history and pharmacology | 603.e2 | ||
Tar – clinical use | 603.e2 | ||
Tar – possible carcinogenicity | 603.e2 | ||
Tar – other adverse effects | 603.e2 | ||
Urea – history and pharmacology | 603.e2 | ||
Urea – clinical use and adverse effects | 603.e2 | ||
References* | 603 | ||
52 Cosmetic therapy | 604 | ||
Cosmetic therapy overview | 604 | ||
Skin bleaching agents | 604 | ||
Hydroquinone | 604 | ||
Skin pigmenting products – dihydroxyacetone | 604 | ||
Facial foundations and camouflage cosmetics | 605 | ||
Skin cleansers | 606 | ||
Moisturizers | 607 | ||
Hair shampoos | 608 | ||
Hair permanent waving agents | 608 | ||
Hair-straightening agents | 609 | ||
Hair-dyeing agents | 610 | ||
Gradual hair dyes | 610 | ||
Temporary hair dyes | 610 | ||
Semipermanent hair dyes | 610 | ||
Permanent hair dyes | 610 | ||
Hair-bleaching agents | 611 | ||
Nail polish | 611 | ||
Bibliography: important books | 612 | ||
Web references | 612.e1 | ||
Hydroquinone and mequinol | 612.e1 | ||
Dihydroxyacetone | 612.e1 | ||
Facial foundations/camouflage cosmetics | 612.e1 | ||
Skin cleansers | 612.e1 | ||
Moisturizers | 612.e1 | ||
Hair shampoos | 612.e1 | ||
Hair permanent waving agents | 612.e1 | ||
Hair-straightening agents | 612.e1 | ||
Hair-dyeing agents | 612.e1 | ||
Hair-bleaching agents | 612.e1 | ||
Nail polish | 612.e1 | ||
53 Irritants and allergens: | 613 | ||
Introduction | 613 | ||
Contact dermatitis: the concept | 613 | ||
Allergic contact dermatitis | 613 | ||
Irritant contact dermatitis | 613 | ||
When to suspect contact dermatitis | 613 | ||
Regional approach | 614 | ||
Empirical recommendations | 614 | ||
Scalp | 614 | ||
Face | 614 | ||
Eyelids | 614 | ||
Lips and perioral | 615 | ||
Neck | 616 | ||
Hands | 616 | ||
Feet | 616 | ||
Anogenital | 617 | ||
Stasis dermatitis and chronic leg ulcers | 618 | ||
Final thoughts | 618 | ||
Bibliography: important reviews and chapters | 619 | ||
Web References | 619.e1 | ||
References* | 619 | ||
54 Insect repellents | 620 | ||
Introduction | 620 | ||
Insect biology | 620 | ||
General concepts | 620 | ||
Stimuli that attract insects | 620 | ||
Insect repellents overview | 622 | ||
Chemical insect repellents | 622 | ||
DEET | 622 | ||
Formulation of available products | 622 | ||
How to choose and apply DEET repellents | 622 | ||
DEET concentration versus effectiveness | 622 | ||
Guidelines for DEET | 622 | ||
DEET and sunscreen combination products | 622 | ||
Pharmacokenetics of DEET | 624 | ||
Human toxicity of DEET | 624 | ||
General aspects of safety profile | 624 | ||
Pregnancy exposure risk | 624 | ||
DEET neurotoxicity | 624 | ||
DEET cardiovascular toxicity and allergic reactions | 624 | ||
Large population-based DEET safety studies | 624 | ||
Summary of DEET toxicity | 625 | ||
Biopesticide repellents | 625 | ||
IR3535 (ethyl-butylacetylaminoproprionate) | 625 | ||
Piperidine (picaridin) | 625 | ||
Plant-derived repellents | 625 | ||
Citronella | 625 | ||
Scientific testing of citronella-based products | 625 | ||
Citronella candles and plants | 626 | ||
Bite blocker | 626 | ||
BioUD (2-undecanone) | 626 | ||
Eucalyptus | 626 | ||
Efficacy of DEET versus botanical repellents | 626 | ||
Permethrin | 627 | ||
Spectrum of protection | 627 | ||
Formulations and product application | 627 | ||
Related issues | 628 | ||
Reducing local insect populations | 628 | ||
Relief from arthropod bites | 628 | ||
Bibliography: important reviews and chapters | 628 | ||
Web References | 628.e1 | ||
Arthropod physiology and behavior | 628.e1 | ||
General issues – insect repellents | 628.e1 | ||
DEET – clinical use | 628.e1 | ||
DEET – pharmacokinetics | 628.e1 | ||
DEET – pregnancy risk | 628.e1 | ||
DEET – neurotoxicity | 628.e2 | ||
DEET – cardiovascular effects | 628.e2 | ||
DEET – allergic reactions | 628.e2 | ||
DEET – miscellaneous articles and reviews | 628.e2 | ||
Biopesticide repellents: IR3535 | 628.e2 | ||
Biopesticide repellents: picaridin | 628.e2 | ||
Botanical insect repellents | 628.e2 | ||
Permethrin insecticides (including comparison with DEET) | 628.e3 | ||
Tick repellents | 628.e3 | ||
Related issues – reducing local insect populations | 628.e3 | ||
Related issues – relief from arthropod bites | 628.e3 | ||
References* | 628 | ||
55 Miscellaneous topical agents | 629 | ||
Introduction | 629 | ||
Topical antioxidants | 629 | ||
Ascorbic acid (Vitamin C) | 629 | ||
Pharmacology | 629 | ||
Mechanism of action | 629 | ||
Clinical use | 629 | ||
Dermatologic uses | 629 | ||
Photoaging | 629 | ||
Photoprotection | 630 | ||
Adverse effects | 630 | ||
Therapeutic guidelines | 630 | ||
Pregnancy prescribing status | 630 | ||
Vitamin E | 630 | ||
Pharmacology | 630 | ||
XI Injectable and Mucosal Routes of Drug Administration | 637 | ||
56 Local anesthetics | 637 | ||
Introduction | 637 | ||
Injectable local anesthetics | 637 | ||
Lidocaine and related amide anesthetics | 637 | ||
Pharmacology | 637 | ||
Structure | 637 | ||
Absorption | 638 | ||
Bioavailability | 639 | ||
Metabolism | 639 | ||
Excretion | 639 | ||
Mechanism of action Q56-2 | 639 | ||
Normal physiology of nerve conduction | 639 | ||
Preventing nerve depolarization | 639 | ||
Subcategories of nerve fibers | 640 | ||
Clinical use | 641 | ||
Fda-approved indications | 641 | ||
Infiltrative anesthesia | 641 | ||
Ring block | 642 | ||
Regional nerve blocks | 642 | ||
Off-label dermatologic uses | 642 | ||
Tumescent anesthesia | 642 | ||
Adverse effects | 642 | ||
Toxic effects | 642 | ||
Allergic reactions | 643 | ||
Epinephrine effects | 643 | ||
Reactions related to injection procedure | 644 | ||
Drug interactions | 644 | ||
Therapeutic guidelines | 644 | ||
General guidelines for use | 644 | ||
Use of local anesthetics during pregnancy | 645 | ||
Topical anesthetics | 645 | ||
Eutectic lidocaine and prilocaine (EMLA) | 645 | ||
Pharmacology | 645 | ||
Absorption | 645 | ||
Metabolism and excretion | 645 | ||
Clinical use | 645 | ||
FDA-approved indications | 645 | ||
Skin surgery | 645 | ||
Laser surgery | 646 | ||
Debridement of leg ulcers | 646 | ||
Off-label dermatologic uses | 646 | ||
Postherpetic neuralgia | 646 | ||
Adverse effects | 646 | ||
Systemic effects – methemoglobinemia | 646 | ||
Other systemic effects | 647 | ||
Local reactions | 647 | ||
Therapeutic guidelines | 647 | ||
Topical lidocaine | 647 | ||
Benzocaine | 647 | ||
Dyclonine | 647 | ||
Other topical anesthetics – pramoxine and dibucaine | 647 | ||
Co-injectable vasoconstrictors | 648 | ||
Epinephrine | 648 | ||
Pharmacology | 648 | ||
Mechanism of action | 648 | ||
Clinical use | 648 | ||
FDA-approved indications | 648 | ||
Hemostasis | 649 | ||
Prolonging the action of local anesthetics | 649 | ||
Acute hypersensitivity reactions | 649 | ||
Adverse effects | 649 | ||
Cardiac effects | 649 | ||
CNS effects | 649 | ||
Endocrinologic effects | 649 | ||
Local ischemia | 649 | ||
Drug interactions | 650 | ||
β-Blockers | 650 | ||
Tricyclic antidepressants | 650 | ||
Other medications | 650 | ||
Therapeutic guidelines | 650 | ||
Other agents with local anesthetic effects | 650 | ||
Capsaicin | 650 | ||
Clinical use | 650 | ||
FDA-approved dermatologic indications | 650 | ||
Postherpetic neuralgia | 650 | ||
Off-label dermatologic uses | 651 | ||
Adverse effects | 651 | ||
Drug interactions | 651 | ||
Therapeutic guidelines | 651 | ||
Diphenhydramine | 651 | ||
Bibliography: important reviews and chapters | 652 | ||
Local anesthesia | 652 | ||
Topical anesthesia | 652 | ||
References* | 652 | ||
Web references | 652.e1 | ||
Lidocaine – pharmacology | 652.e1 | ||
Lidocaine – clinical use | 652.e1 | ||
Lidocaine – adverse effects | 652.e1 | ||
Lidocaine – drug interactions and therapeutic guidelines | 652.e2 | ||
Eutectic mixture of local anesthesia (EMLA) – pharmacology | 652.e2 | ||
EMLA – clinical use | 652.e2 | ||
EMLA – adverse effects | 652.e2 | ||
Topical anesthetics – lidocaine, benzocaine, dyclonine | 652.e2 | ||
Epinephrine – pharmacology and clinical use | 652.e2 | ||
Epinephrine – adverse effects | 652.e3 | ||
Epinephrine – drug interactions and therapeutic guidelines | 652.e3 | ||
Capsaicin – clinical use | 652.e3 | ||
Antihistamines – diphenhydramine, doxepin | 652.e3 | ||
57 Injectable dermal and subcutaneous fillers | 653 | ||
Introduction | 653 | ||
Categories of dermal fillers | 653 | ||
Collagen | 653 | ||
Hyaluronic acid | 653 | ||
Calcium hydroxyapatite | 655 | ||
Poly-l-lactic acid | 655 | ||
Polymethylmethacrylate | 655 | ||
Silicone | 655 | ||
Fillers on the horizon | 656 | ||
Adverse effects (Box 57-2) | 656 | ||
Immediate adverse effects (0–2 days) | 656 | ||
Early adverse effects (3–14 days) | 656 | ||
Late adverse effects (15 days to 1 year) | 656 | ||
Delayed (>1 year) | 657 | ||
Bibliography: important reviews and chapters | 657 | ||
Web references | 657.e1 | ||
References* | 657 | ||
58 Botulinum toxin injections | 658 | ||
Introduction and history | 658 | ||
Pharmacology | 658 | ||
Structure and serotypes | 658 | ||
Physiology of nerves | 659 | ||
Mechanism of action | 659 | ||
Inhibition of neuromuscular function | 659 | ||
Recovery of neuromuscular function | 659 | ||
Determination of botulinum activity | 659 | ||
Botulinum a toxin product details | 660 | ||
Clinical use | 661 | ||
Patient evaluation | 661 | ||
Indications | 662 | ||
Overview of potential indications | 662 | ||
Facial rhytides | 662 | ||
Hyperhidrosis | 663 | ||
Contraindications | 663 | ||
Adverse effects | 663 | ||
General effects | 663 | ||
Antibodies to botulinum toxin | 663 | ||
Adverse effects related to injection technique | 664 | ||
Therapeutic guidelines | 664 | ||
Injection technique – general aspects | 664 | ||
Forehead injections | 664 | ||
Glabella injections | 664 | ||
Lateral canthus injections | 664 | ||
Neck injections | 665 | ||
Hyperhidrosis | 665 | ||
Follow-up | 665 | ||
Conclusions | 665 | ||
Bibliography: important reviews and chapters | 665 | ||
Web references | 665.e1 | ||
Introduction & pharmacology | 665.e1 | ||
Clinical use – patient evaluation | 665.e1 | ||
Clinical use – indications | 665.e1 | ||
Contraindications and adverse effects | 665.e1 | ||
Therapeutic guidelines (see also ref. 10). | 665.e1 | ||
References* | 665 | ||
59 Oral mucosal therapeutics | 666 | ||
Introduction | 666 | ||
Review of common terminology | 666 | ||
Erosive gingivostomatitis | 666 | ||
Tips and clinical pearls – erosive gingivostomatitis | 667 | ||
Mouth rinses | 667 | ||
Topical therapy | 668 | ||
Corticosteroids | 668 | ||
Steroid-sparing immunosuppressants | 668 | ||
Topical anesthetics | 669 | ||
Intralesional corticosteroids | 669 | ||
XII Major Adverse Effects from Systemic Drugs | 677 | ||
60 Hepatotoxicity of dermatologic drug therapy | 677 | ||
Introduction | 677 | ||
The liver and drug metabolism | 677 | ||
Hepatic drug metabolism | 677 | ||
Polymorphisms | 678 | ||
Mechanisms of drug hepatotoxicity | 679 | ||
General mechanisms involved | 679 | ||
Toxic versus idiosyncratic reactions | 680 | ||
Risk factors for drug hepatotoxicity | 681 | ||
General risk factors | 681 | ||
Drug-specific risk factors | 681 | ||
Predictive testing for polymorphisms | 682 | ||
Drug information dissemination issues | 682 | ||
Limits of clinical trials in predicting hepatotoxicity | 682 | ||
Risk with real world drug use | 682 | ||
Potential predictors of hepatotoxicity | 682 | ||
Importance of disseminating of drug safety information | 682 | ||
Classification systems (Table 60-7) | 683 | ||
Drug etiologies | 684 | ||
Common dermatologic drug etiologies | 684 | ||
Less common drug etiologies | 684 | ||
Diagnosis | 684 | ||
Diagnostic algorithm | 684 | ||
Differential diagnosis | 685 | ||
Referral criteria | 685 | ||
Liver ‘function’ tests | 685 | ||
Management | 686 | ||
Background issues | 686 | ||
Management options | 686 | ||
Looking to the future – lessons from the past | 687 | ||
Bibliography: important reviews and chapters | 688 | ||
General overviews | 688 | ||
General mechanisms of hepatotoxicity | 688 | ||
Liver ‘function’ tests | 688 | ||
Psoriasis and methotrexate-induced liver disease | 688 | ||
References* | 689 | ||
Web references | 689.e1 | ||
Introduction | 689.e1 | ||
The liver and drug metabolism | 689.e1 | ||
Mechanisms of drug hepatotoxicity | 689.e1 | ||
Risk factors for drug hepatotoxicity | 689.e1 | ||
Drug information dissemination/ drug withdrawal | 689.e1 | ||
Causality assessment | 689.e1 | ||
Liver ‘function’ tests | 689.e2 | ||
61 Hematologic toxicity of drug therapy | 690 | ||
Introduction | 690 | ||
General principles | 690 | ||
Mechanisms of hematologic toxicities | 690 | ||
Timing of hematologic toxicity | 691 | ||
Prediction of risk for hematologic toxicities | 691 | ||
Major categories of drug-induced hematologic toxicity | 691 | ||
Agranulocytosis | 691 | ||
Aplastic anemia (pancytopenia) | 692 | ||
Thrombocytopenia | 692 | ||
Neoplasia | 693 | ||
Drugs Prescribed by Dermatologists – Risk of Hematologic Toxicity | 693 | ||
Methotrexate | 693 | ||
Mechanism of toxicity | 693 | ||
General risk of hematologic toxicity | 694 | ||
XIII Special Pharmacology and Therapeutic Topics | 757 | ||
67 Pharmacoeconomics | 757 | ||
Introduction | 757 | ||
Various cost analyses | 757 | ||
Cost-minimization analysis Q67-1 | 757 | ||
Cost–benefit analysis | 757 | ||
Cost-effectiveness analysis | 758 | ||
Cost–utility analysis | 758 | ||
‘Forgotten’ and indirect costs of therapy | 759 | ||
Analyzing the various cost analyses | 759 | ||
Comparison of four primary cost analysis methods | 759 | ||
General principles for using these cost analysis methods | 759 | ||
Areas of controversy | 760 | ||
How are pharmacoeconomic analyses used? | 760 | ||
Formulary decisions | 760 | ||
‘Negotiations’ with patients and insurers | 761 | ||
Evaluating pharmaceutical company trials | 761 | ||
Current trends in drug prices | 762 | ||
Physician role in drug cost control | 763 | ||
Pharmaceutical pricing strategies | 763 | ||
Three basic pricing strategies | 763 | ||
Average wholesale price | 763 | ||
Wholesale acquisition cost | 763 | ||
Pharmaceutical manufacturer costs | 763 | ||
Pharmaceutical patient assistance programs | 763 | ||
Generic drugs and substitution | 764 | ||
Why is pharmacoeconomics important to clinicians? | 764 | ||
Bibliography: important reviews and chapters | 764 | ||
References* | 764 | ||
Web References | 765.e1 | ||
Introduction | 765.e1 | ||
Cost analysis methods | 765.e1 | ||
Assessing the various cost analysis methods | 765.e1 | ||
How are pharmaceutical cost analyses used | 765.e1 | ||
Pharmaceutical company pricing strategies | 765.e1 | ||
68 Informed consent and risk management | 766 | ||
Introduction | 766 | ||
Historical perspective | 766 | ||
Ethical perspective | 766 | ||
Basic legal principles | 767 | ||
Components of informed consent | 768 | ||
Systemic drugs and informed consent | 768 | ||
Optimizing patient understanding | 769 | ||
Exceptions to the informed consent requirements | 769 | ||
Medicolegal risk management | 769 | ||
Appendix I – Ten drugs of increasing importance to dermatology | 787 | ||
Newer drugs | 787 | ||
Older drugs | 787 | ||
Newer melanoma chemotherapy drugs covered elsewhere in the book | 787 | ||
Bibliography – BELIMUMAB | 787 | ||
Bibliography – CANAKINUMAB | 788 | ||
Bibliography – ICATIBANT | 788 | ||
Bibliography – INGENOL MEBUTATE | 789 | ||
Bibliography – VISMODEGIB | 789 | ||
Bibliography – BIMATOPROST | 790 | ||
Bibliography – OMALIZUMAB | 790 | ||
Bibliography – OXYBUTYNIN | 791 | ||
Appendix II – Dapsone patient education and informed consent | 792 | ||
Disease being treated with dapsone | 792 | ||
Boxed warnings – most serious risks from the drug | 792 | ||
Contraindications – reasons you can possibly not take this drug | 792 | ||
Dapsone use in pregnancy | 792 | ||
Possible drug interactions | 792 | ||
Most important side effects – report these findings to doctor right away | 792 | ||
Common side effects – of less concern | 792 | ||
Rare, but important to report to doctor | 792 | ||
Laboratory testing | 792 | ||
Subject Index | 793 | ||
A | 793 | ||
B | 797 | ||
C | 798 | ||
D | 802 | ||
E | 805 | ||
F | 806 | ||
G | 807 | ||
H | 807 | ||
I | 809 | ||
J | 811 | ||
K | 811 | ||
L | 811 | ||
M | 813 | ||
N | 814 | ||
O | 815 | ||
P | 816 | ||
Q | 820 | ||
R | 820 | ||
S | 821 | ||
T | 823 | ||
U | 825 | ||
V | 825 | ||
W | 826 | ||
X | 826 | ||
Z | 826 |