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The rationale for using a topical retinoid for inflammatory acne
1Department of Dermatology, Tulane University School of Medicine, New Orleans, Louisiana 70112, USA. larry.millikan@tulane.edu
American Journal of Clinical Dermatology
|January 30, 2003
Summary
Topical retinoids and their analogs are effective treatments for acne vulgaris, addressing both noninflammatory and inflammatory lesions. Adapalene offers superior skin tolerability compared to other retinoids.
Area of Science:
- Dermatology
- Immunology
- Molecular Biology
Background:
- Acne vulgaris pathogenesis involves genetic and immune factors, with interleukin-1alpha (IL-1α) playing a key role.
- Abnormal follicular keratinocyte desquamation and the microenvironment for Propionibacterium acnes contribute to lesion development.
Purpose of the Study:
- To review the role of topical retinoids and analogs in managing acne vulgaris.
- To evaluate their efficacy and tolerability in treating inflammatory and noninflammatory acne lesions.
Main Methods:
- Review of preclinical data on topical retinoids and analogs.
- Analysis of clinical trial data comparing different retinoid treatments for acne.
- Assessment of cutaneous tolerability profiles.
Main Results:
- Topical retinoids and analogs normalize follicular keratinocyte desquamation, impacting comedogenesis and the P. acnes microenvironment.
- These agents demonstrate significant reduction in inflammatory acne lesions.
- Adapalene exhibits the best cutaneous tolerability among tested retinoids.
Conclusions:
- Topical retinoids and analogs are crucial for managing acne vulgaris by normalizing keratinization and possessing anti-inflammatory properties.
- Combination therapy with antibacterials is recommended for optimal treatment of inflammatory acne.
- Adapalene presents a favorable tolerability profile for acne treatment.