Humanwell Healthcare's (SHA:600079) 80% owned subsidiary Yichang Humanwell Pharmaceutical has received approval from the US Food and Drug Administration for its Abbreviated New Drug Application for diltiazem hydrochloride tablets USP, according to a Shanghai bourse filing on Friday.
The prescription medication, intended to treat chronic stable angina and chest pain caused by coronary artery spasm, was approved in 30mg, 60mg, 90mg, and 120mg specifications.
Yichang Humanwell submitted the application in December 2025 following cumulative research and development investments totaling 12 million yuan.
Citing data from IQVIA, Humanwell said US market sales for diltiazem hydrochloride tablets reached about $12 million in 2025.