Chongqing Claruvis Pharmaceutical Co., Ltd.

This study tests a new injection called YY003, a recombinant botulinum neurotoxin type A, for treating moderate to severe frown lines between the eyebrows (glabellar lines) in adults. Participants receive a single set of small injections into five points between the brows. The tr…

This study tests a new form of botulinum toxin (YY001) for treating moderate to severe frown lines between the eyebrows. About 488 adults aged 18 to 65 will receive repeated injections over time. Researchers will monitor safety, side effects, and how well the treatment works to r…