Hong Kong-listed United Laboratories International Holdings Limited (United Laboratories) announced that its wholly owned subsidiary, The United Bio-Technology (Hengqing) Co., Ltd., has commenced dosing in a Phase III clinical trial of UBT251 Injection for adults with overweight or obesity in China.
The randomized, double-blind, placebo-controlled study will enroll 600 participants with body-mass index (BMI) ≥28.0 kg/m² (obesity) or 24.0–27.9 kg/m² (overweight) plus at least one weight-related comorbidity. Primary endpoints include: • Percentage change in body weight from baseline; • Proportion of participants achieving ≥5 % weight reduction after 52 weeks of treatment.
UBT251 is a long-acting, chemically synthesized triple-target receptor agonist of GLP-1, GIP and glucagon (GCGR). The molecule is under clinical development in China and/or the United States for multiple indications: adult type 2 diabetes, overweight or obesity, chronic kidney disease, metabolic dysfunction-associated steatohepatitis and moderate-to-severe obstructive sleep apnea with obesity. United Laboratories is the first company in China—and the second worldwide—to obtain clinical-trial approval for a long-acting GLP-1R/GIPR/GCGR triple agonist.
In March 2025, United Biotechnology and United Laboratories entered into an exclusive licensing agreement with Novo Nordisk A/S concerning UBT251.
The board, chaired by Mr. Tsoi Hoi Shan, disclosed the update on 4 September 2026.
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