Humanwell Healthcare (SHA:600079) subsidiary Yichang Humanwell Pharmaceutical received clinical trial approval from China's National Medical Products Administration for its sufentanil citrate injection, according to a Tuesday filing with the Shanghai bourse.
The company is applying for a new indication for the drug as an epidural anesthetic during labor, the company said in its filing.
The drug is an opioid analgesic already indicated for general anesthesia using intubation and artificial respiration.
Shares fell 1% during afternoon trading on Tuesday.