SHENZHEN, China, Dec. 1, 2021 /PRNewswire/ -- Shenzhen Chipscreen Biosciences' licensing partner, HUYABIO International (HUYABIO™), today announced the regulatory approval for Chidamide (Tucidinostat, also known as Epidaza ®, Hiyasta®, HBI-8000) monotherapy for the treatment of relapsed or refractory (R/R) PTCL by the Ministry of Health, Labour and Welfare in Japan.