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Topical minoxidil therapy for hair regrowth
J A Rumsfield1, D P West, V C Fiedler-Weiss
1University of Illinois at Chicago, Department of Dermatology 60680.
Clinical Pharmacy
|May 1, 1987
Summary
Topical minoxidil may help normalize hair follicles and increase scalp blood flow for hair regrowth. While results vary, consistent application shows promise for hair loss conditions like male-pattern baldness.
Area of Science:
- Dermatology
- Pharmacology
Background:
- Hair loss (alopecia) has complex pathogenesis.
- Minoxidil is a topical treatment explored for various hair loss types.
- Understanding its mechanism and efficacy is crucial for clinical application.
Purpose of the Study:
- To review the pathogenesis of hair loss.
- To examine minoxidil's mechanisms, clinical trials, and adverse effects.
- To discuss topical minoxidil's role in treating androgenetic alopecia and alopecia areata.
Main Methods:
- Literature review of pathogenesis, mechanisms of action, clinical trials, and adverse reactions of topical minoxidil.
- Analysis of percutaneous absorption and experimental formulations.
- Examination of FDA pending applications and treatment recommendations.
Main Results:
- Topical minoxidil may normalize hair follicles and increase scalp blood flow.
- Clinical trial results vary; four to six months of twice-daily application indicated for improved hair growth.
- Common adverse reactions include scalp dryness and irritation; rare allergic contact dermatitis reported.
Conclusions:
- Topical minoxidil shows potential for treating androgenetic alopecia and may benefit some alopecia areata patients.
- Monitoring cardiovascular status is recommended during treatment.
- Further research into hair loss etiology is needed for improved therapies.