Efficacy and Safety of Topical GT20029 in Male Patients With Androgenetic Alopecia: A Multicenter, Randomized, Double-Blind, Placebo-Controlled Phase 2 Study

    December 2025 in “ Journal of Dermatological Treatment ”
    Ruiming Hu, Aihua Wei, Liming Wu … Qinping Yang
    Studysummary This randomized trial found that topical GT20029 significantly increased hair counts and width in Chinese men with androgenetic alopecia over 12 weeks, showing better results than placebo, with the 0.5% once daily and 1.0% twice weekly doses particularly effective.
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    Research cited in this study 5

    1. Hair Regrowth Treatment Efficacy and Resistance in Androgenetic Alopecia: A Systematic Review and Continuous Bayesian Network Meta-Analysis Frontiers in Medicine · 2023
    2. Dihydrotestosterone-Induced Hair Regrowth Inhibition by Activating Androgen Receptor in C57BL6 Mice Simulates Androgenetic Alopecia Biomedicine & Pharmacotherapy · 2021
    3. Cause of Androgenic Alopecia Plastic and reconstructive surgery. Global open · 2013
    4. Androgen Actions on the Human Hair Follicle: Perspectives Experimental Dermatology · 2012
    5. The Role of Androgen and Androgen Receptor in Skin-Related Disorders Archives of Dermatological Research · 2012