Shanghai Henlius Biotech (HKG:2696) recently dosed the first patient in a phase 2 clinical study of HLX22 in combination with trastuzumab deruxtecan, an April 17 Hong Kong bourse filing said.
The drug is being tested in the trial for the treatment of patients with locally advanced or metastatic breast cancer in mainland China, excluding the Hong Kong, Macau, and Taiwan regions.