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AnnJi Pharmaceutical Company Announces Positive Phase 1/2a Results for AJ201 in Spinal and Bulbar Muscular Atrophy (SBMA) Patients

Taipei, May 21, 2025 – AnnJi Pharmaceutical Co., Ltd., a clinical-stage Taiwanese biotechnology company focused on addressing unmet medical needs in dermatology, neurology, and rare diseases, today announced positive results from its Phase 1/2a randomized, double-blind, placebo-controlled, first-in-patient clinical trial of AJ201 in adults with Spinal and Bulbar Muscular Atrophy (SBMA). Conducted across six U.S. clinical sites, the study evaluated the safety, tolerability, pharmacokinetics (PK), and pharmacodynamics (PD) of AJ201 (ClinicalTrials.gov Identifier: NCT05517603). While not powered to assess efficacy, exploratory endpoints revealed meaningful treatment-related improvements that support continued clinical development. 

Read the Press Release for more information.

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