Topical therapy of alopecia areata with squaric acid dibutylester

Patrice C. Case, Andrew J. Mitchell, Neil A. Swanson, Evelyn E. Vanderveen, Charles N. Ellis, John T. Headington

Research output: Contribution to journalArticle

54 Scopus citations

Abstract

The efficacy of the topical allergen squaric acid dibutylester (SADBE) was investigated in the treatment of twenty-six patients with alopecia areata or alopecia totalis. The patients had their disease for a mean duration of 8.3 years (range, 3 months to 27 years). Sensitization was attempted with 2% SADBE in acetone. Five individuals could not be sensitized. The twenty-one sensitized patients were treated with topical applications of 0.001% to 1.0% SADBE in acetone adjusted to produce and maintain dermatitis for an average of 21 weeks. Eleven (52%) had excellent responses consisting of complete regrowth in six and cosmetically acceptable regrowth in five. The average treatment time for regrowth was 11 weeks (range, 5-20 weeks). Ten (48%) had no clinical response after an average of 19 weeks of therapy (range, 4-42 weeks). Topical SADBE is an effective therapy for some patients with long-standing alopecia areata.

Original languageEnglish (US)
Pages (from-to)447-451
Number of pages5
JournalJournal of the American Academy of Dermatology
Volume10
Issue number3
DOIs
StatePublished - Jan 1 1984

ASJC Scopus subject areas

  • Dermatology

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    Case, P. C., Mitchell, A. J., Swanson, N. A., Vanderveen, E. E., Ellis, C. N., & Headington, J. T. (1984). Topical therapy of alopecia areata with squaric acid dibutylester. Journal of the American Academy of Dermatology, 10(3), 447-451. https://doi.org/10.1016/S0190-9622(84)80091-2