Kintor Pharmaceutical Limited announced the first dosing in its phase III clinical trial of KX-826 (pyrilutamide) in China for the treatment of male androgenetic alopecia (AGA) patients on December 31, 2021. KX-826 is the first androgen receptor (AR) antagonist that has entered the phase III clinical trial for AGA treatment in China and globally. On November 24, 2021, the company announced that the China's National Medical Products Administration (NMPA) greenlighted the protocol for the pivotal phase III study of KX-826. On December 20, 2021, the kickoff meeting among key investigators for the KX-826 phase III clinical trial was successfully held. Peking University People's Hospital and Huashan Hospital affiliated to Fudan University led the trial, with 26 hospitals to be participating.

After successfully co-leading the phase II clinical trial of KX-826 in China for the treatment of AGA, Professor Zhang Jianzhong from Peking University People's Hospital and Professor Yang Qinping from Huashan Hospital affiliated to Fudan University cooperate again to be the principal investigators (PIs) of the pivotal Phase III Clinical Trial of KX-826. At the investigator meeting, nearly 100 experts from 26 hospitals across China listened to the report on the efficacy and safety of the KX-826's Phase II clinical trial. Professor Zhang Jianzhong wrapped up the meeting and encouraged every PI to be engaged with this pivotal study with high quality and efficiency.