Zhejiang Hisun Pharmaceutical (SHA:600267) received an abbreviated new drug application approval from the U.S. Food and Drug Administration for its fludarabine phosphate injection, according to a Saturday filing with the Shanghai bourse.
The injection is indicated for the treatment of adult B-cell chronic lymphocytic leukemia for patients unresponsive to at least one prior alkylating agent-containing therapy or whose disease has progressed during treatment.
Global sales of the injection reached $23.5 million in 2025, according to market data cited in the filing.
Hisun has invested 10 million yuan for research and development of the drug.