FDA Grants Fast Track Designation for AJ201, a First-in-Class Therapy for Kenndy's Disease

About SBMA and AJ201 About SBMA and AJ201 SBMA, or Kennedy's disease, is a rare X-linked inherited neuromuscular disorder caused by CAG repeat expansion in the androgen receptor (AR) gene. The resulting mutant AR protein contributes to muscle and neuron degeneration through mechanisms involving cellular toxicity, oxidative stress, and neuroinflammation. SBMA affects ~1 in 40,000 males globally and currently has no FDA-approved treatment. AJ201, also known as JM17, is a novel...

TAIPEI, 23/10/2025 (informazione.news - comunicati stampa - scienza e tecnologia)

About SBMA and AJ201

SBMA, or Kennedy's disease, is a rare X-linked inherited neuromuscular disorder caused by CAG repeat expansion in the androgen receptor (AR) gene. The resulting mutant AR protein contributes to muscle and neuron degeneration through mechanisms involving cellular toxicity, oxidative stress, and neuroinflammation. SBMA affects ~1 in 40,000 males globally and currently has no FDA-approved treatment.

AJ201, also known as JM17, is a novel investigational compound that has shown potential in reducing mutant AR toxicity and improving motor function in preclinical SBMA models. At the molecular level, it promotes degradation of pathogenic mAR protein, induces expression of antioxidant enzymes, proteasome subunits, and heat shock proteins, all of which may slow disease progression (Bott et al., 2016).

About AnnJi Pharmaceutical

AnnJi Pharmaceutical Co., Ltd. (TWSE: 7754) is a clinical-stage drug development company focused on the development of innovative small molecules (NCEs). The company is dedicated to addressing high unmet medical needs in the fields of neurology, dermatology, and immune-inflammatory diseases, including rare diseases, such as Kennedy's disease (SBMA) and Idiopathic Pulmonary Fibrosis (IPF).

AnnJi is committed to develop innovative therapies that improve the quality of life for patients suffering from neglected chronic diseases. We focus on advancing high-quality, differentiated, and innovative drug candidates, and collaborating with global pharmaceutical partners. Upon achieving proof-of-concept in phase II clinical trials, we aim to out-license our products for further co-development and commercialization, with the goal of bringing them to global markets and driving sustainable growth for the company.

Contact:

Anne Yu; anne.yu@ajpharm.com

View original content:https://www.prnewswire.co.uk/news-releases/fda-grants-fast-track-designation-for-aj201-a-first-in-class-therapy-for-kenndys-disease-302592312.html