The Effect of 0.5% Roxithromycin Lotion for Androgenetic Alopecia

Overview

The purpose of this study is exploiting the new drugs for androgenetic alopecia because there are still no effective and safe topical drug for androgenetic alopecia. Roxithomycin is one of the macrolide antibiotics that has immunomodulatory effects. We firstly found that roxithromycin increases the rate of murine and human hair follicle elongation in vitro. Therefore, we apply this drug on this disease therapy.

Full Title of Study: “The Study for New Effect of Roxithromycin on Androgenetic Alopecia.”

Study Type

  • Study Type: Interventional
  • Study Design
    • Allocation: Randomized
    • Intervention Model: Crossover Assignment
    • Primary Purpose: Treatment
    • Masking: None (Open Label)

Detailed Description

The topical therapy for androgenetic alopecia is still not enough to improve cosmetically. Thereforem we try to find new effective and safe topical therapy for this disease. Roxithromycin has not only antibacterial action but also immunomodulatory and anti-inflamatory potency. For example, roxitromycin inhibits T cell responces to mitogens and production of cytokines, IL-2 and IL-5. We firstly found that roxitromycin increased human and murine hair elongation in vitro to inhibit apoptosis of hair bulb. Then, we wish to apply roxithromycin on the therapy for androgenetic alopecia.

Interventions

  • Drug: roxithromycin

Clinical Trial Outcome Measures

Secondary Measures

  • Pathological study taken from lesional scalp skin.
    • Time Frame: One year

Participating in This Clinical Trial

Inclusion Criteria

  • Androgenetic alopecia Exclusion Criteria:

  • Cicatricial alopecia – Allergy to roxitromycin – Children (19years old or younger) – Pregnant female

Gender Eligibility: All

Minimum Age: 20 Years

Maximum Age: N/A

Are Healthy Volunteers Accepted: Accepts Healthy Volunteers

Investigator Details

  • Lead Sponsor
    • Hamamatsu University
  • Overall Official(s)
    • Masahiro Takigawa, M.D., Study Chair, Hamamatsu University

References

Ohshima A, Tokura Y, Wakita H, Furukawa F, Takigawa M. Roxithromycin down-modulates antigen-presenting and interleukin-1 beta-producing abilities of murine Langerhans cells. J Dermatol Sci. 1998 Jul;17(3):214-22. doi: 10.1016/s0923-1811(98)00017-6.

Ito T, Ito N, Saathoff M, Bettermann A, Takigawa M, Paus R. Interferon-gamma is a potent inducer of catagen-like changes in cultured human anagen hair follicles. Br J Dermatol. 2005 Apr;152(4):623-31. doi: 10.1111/j.1365-2133.2005.06453.x.

Lindner G, Botchkarev VA, Botchkareva NV, Ling G, van der Veen C, Paus R. Analysis of apoptosis during hair follicle regression (catagen). Am J Pathol. 1997 Dec;151(6):1601-17.

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