HONG KONG, May 20, 2025/PRNewswire/ -- Ascletis Pharma Inc. (HKEX:1672) has announced the commencement of a new clinical study, the ASC47-103 study, in the United States. The study is a randomized, double-blind, placebo-controlled trial designed to evaluate the safety and preliminary efficacy of a single-dose, ultra-long-acting subcutaneous administration of ASC47 in combination with semaglutide for the treatment of obesity in participants without Type 2 diabetes. The ASC47-103 study involves three cohorts receiving single ascending doses of ASC47 (10 mg, 30 mg, and 60 mg) or a volume-matched placebo, alongside four weekly doses of semaglutide (0.5 mg). This marks the first clinical study combining a THRβ agonist and an incretin drug for obesity. Topline results from the study are anticipated in the fourth quarter of 2025.