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Topical photochemotherapy for alopecia areata
Journal of the American Academy of Dermatology
|April 1, 1985
Summary
Topical 8-methoxypsoralen and UVA (PUVA) showed limited long-term efficacy for alopecia areata, with many patients experiencing relapse after treatment cessation. Combination therapy may offer prolonged benefits.
Area of Science:
- Dermatology
- Phototherapy
- Immunology
Background:
- Alopecia areata is an autoimmune condition causing hair loss.
- Topical photochemotherapy is explored for treating dermatological conditions.
Purpose of the Study:
- To evaluate the efficacy of topical 8-methoxypsoralen and UVA (PUVA) in treating alopecia areata.
- To assess the long-term outcomes and relapse rates following topical PUVA therapy.
Main Methods:
- Twenty-two patients with alopecia areata received topical 0.1% 8-methoxypsoralen combined with UVA (PUVA).
- Treatment response was assessed based on terminal hair regrowth.
- Follow-up included monitoring for relapse after treatment discontinuation.
Main Results:
- 36.3% of patients achieved excellent regrowth (≥75% terminal hair).
- 9.1% of patients achieved good regrowth (50-75% terminal hair).
- Eight of nine responders relapsed during follow-up (mean 8.3 months).
Conclusions:
- Topical PUVA demonstrated short-term hair regrowth in alopecia areata but failed to alter the long-term disease course.
- Relapse was common after treatment tapering or discontinuation.
- Combination therapy with other modalities might prolong benefits; immunomodulatory effects are suspected.