Kissei Pharmaceutical Co., Ltd.

This study tests an experimental drug called KDT-3594 in 150 people with advanced Parkinson's disease who already take levodopa. The goal is to see if the drug can improve movement and daily living skills during their 'on' times (when medication is working). Participants take esc…

This Phase 3 trial tests an oral drug called KLH-2109 for pelvic pain in 288 women with endometriosis. Participants receive either KLH-2109 or a standard injection (leuprorelin acetate) for 12 weeks. The goal is to see if the new pill works as well as the injection in reducing da…