Shares of TransThera Sciences gained nearly 60% on Friday after a 21% rally in prior trading session.
The biopharmaceutical company said it received Chinese regulatory approval to begin a phase 2 human clinical trial of its core product tinengotinib in a type of breast cancer, according to a Hong Kong bourse filing Wednesday.
The company plans to study the drug in combination with fulvestrant as a treatment for HR+/HER2- relapsed or metastatic breast cancer.