Chongqing Claruvis Pharmaceutical Co., Ltd.

This study tests a new botulinum toxin injection (YY001) for adults with arm muscle stiffness after a stroke. The goal is to see if repeated treatments are safe and help reduce stiffness over the long term. About 300 people aged 18 to 75 with upper limb spasticity will receive mu…

This study tests a new botulinum toxin injection (YY001) to reduce muscle stiffness in the arm or hand of adults who have had a stroke. About 254 participants will receive either the study drug or a placebo to see if it improves movement and daily tasks like dressing or hygiene. …