← All decks

Dermatology

Retinoids

Built from Dermatology, 5th Edition

What’s inside

6 sections · 102 slides

  1. 01

    Introduction and mechanism of action

    What retinoids are, how they were discovered, and how they act on genes

    • What retinoids are
    • How retinoids were discovered
    • Milestones in retinoid development
    • Four generations of synthetic retinoids
    • Chemical structures of natural and synthetic retinoids
    • Biologic functions of retinoids
    • Biologic functions of retinoids.
    • Vitamin A absorption and transport
    • Metabolism and mechanism of action of natural retinoids
    • From retinol to retinoic acid
    • Retinoic acid receptors: RAR and RXR
    • Binding of natural and synthetic retinoids to nuclear receptors
    • How a bound receptor switches on a gene
    • Two ways retinoids change gene activity
    • Retinoic acid and the immune system
    • Retinoids replenish vitamin A lost from sun exposure
    • Physiologic concentrations of retinoids in skin and blood

    17 slides

  2. 02

    The individual retinoid drugs

    Pharmacology of each generation, from natural tretinoin to selective fourth-generation agents

    • Pharmacokinetics: features all retinoids share
    • Key pharmacologic features of retinoids: absorption and half-life.
    • Key pharmacologic features of retinoids: absorption and half-life. (continued)
    • Key pharmacologic features of retinoids: metabolism and excretion.
    • Key pharmacologic features of retinoids: metabolism and excretion. (continued)
    • Nuclear receptor binding profile of retinoids.
    • Nuclear receptor binding profile of retinoids. (continued)
    • Tretinoin (all-trans-retinoic acid)
    • Isotretinoin (13-cis-retinoic acid)
    • Why only isotretinoin shrinks oil glands
    • Alitretinoin (9-cis-retinoic acid)
    • Acitretin
    • Acitretin, alcohol, and contraception timing
    • 3 yr
    • Adapalene
    • Tazarotene
    • Bexarotene
    • Trifarotene
    • Retinoic acid metabolism blocking agents (RAMBAs)
    • RAMBA trial result in lamellar ichthyosis

    20 slides

  3. 03

    Clinical indications

    Which retinoid, topical or oral, treats which skin disease

    • Topical vs. systemic retinoids: the big picture
    • Clinical indications for retinoids in dermatology.
    • Clinical indications for retinoids in dermatology. (continued)
    • Clinical indications for retinoids in dermatology. (continued)
    • Clinical indications for retinoids in dermatology. (continued)
    • Starting a patient on a topical retinoid
    • Topical retinoids for acne
    • Topical retinoids for psoriasis and photoaging
    • Chronic plaque-type psoriasis before and after acitretin plus PUVA
    • Systemic retinoids for psoriasis
    • Combining acitretin with light therapy
    • Systemic retinoids for acne
    • Severe acne vulgaris before and after oral isotretinoin
    • Isotretinoin dosing: the cumulative-dose idea
    • Isotretinoin course: timing and relapse
    • Severe acne vulgaris before and after oral isotretinoin, second example
    • Isotretinoin: the pregnancy-prevention rule
    • Retinoids for cutaneous T cell lymphoma (CTCL)
    • Approach to initiating oral bexarotene therapy for cutaneous T cell lymphoma.
    • Approach to initiating oral bexarotene therapy for cutaneous T cell lymphoma. (continued)
    • Chronic hand eczema: oral alitretinoin
    • Retinoids for disorders of cornification
    • Lamellar ichthyosis before and after acitretin
    • Retinoids for Darier disease and pityriasis rubra pilaris
    • Pityriasis rubra pilaris before and after acitretin
    • Retinoids for rosacea, precancers, and lupus

    26 slides

  4. 04

    Dosage and formulations

    What strengths and routes each retinoid comes in, and why the route matters

    • Choosing a formulation and route
    • Formulations of topical and systemic retinoids.
    • Formulations of topical and systemic retinoids. (continued)

    3 slides

  5. 05

    Contraindications and adverse effects

    Who should not take a retinoid, and what to watch for during treatment

    • Contraindications to retinoid therapy
    • Topical retinoid side effects
    • Adverse effects of topical retinoids.
    • Retinoid dermatitis on the face during oral isotretinoin
    • Teratogenicity: the central risk of systemic retinoids
    • Retinoid embryopathy.
    • Retinoid embryopathy. (continued)
    • Preventing pregnancy during isotretinoin therapy
    • Skin and mucous membrane effects of oral retinoids
    • Cheilitis during isotretinoin therapy
    • More mucocutaneous effects
    • Dyslipidemia: raised triglycerides and cholesterol
    • Managing bexarotene-induced hyperlipidemia
    • Liver effects of retinoid therapy
    • Eye and vision effects
    • Bone and joint effects
    • Spinal osteophytes in a patient on prolonged isotretinoin
    • Muscle, nervous system, and mood effects
    • Thyroid, blood, and gut effects
    • Adverse effects of systemic retinoids.
    • Adverse effects of systemic retinoids. (continued)
    • Drug interactions to avoid or watch
    • Retinoids in pregnancy and breastfeeding

    23 slides

  6. 06

    Summary

    The essential facts about retinoids in dermatology, in one place

    • Key points to remember
    • Most adverse effects are manageable
    • References
    • References (continued)
    • References (continued)
    • References (continued)
    • References (continued)
    • References (continued)
    • References (continued)
    • References (continued)
    • References (continued)
    • References (continued)
    • Dermatology, 5th Edition (2-Volume Set)

    13 slides