Aims:To evaluate the safety, tolerability, pharmacokinetics (PK) and pharmacodynamics (PD) of single oral doses of HDM1002 in healthy adult participants.
Materials and Methods:This was a first‐in‐human, randomized, double‐blind, placebo‐controlled, 2‐part study. Healthy participants aged 18 to 55 years with a body mass index (BMI) of 19.0 ~ 32.0 kg/m2 were eligible. In the single ascending dose (SAD) part, eligible participants were randomized (8:2) to receive a single oral escalating dose of HDM1002 (10–600 mg) or placebo. In the food effect (FE) part, participants were randomized (7:7) to receive HDM1002 (200 mg) in the fasted and fed states with a two‐period, crossover design.
Results:A total of 79 participants enrolled and completed the study. The most common adverse events (AEs) were nausea, diarrhoea, vomiting and decreased appetite, which increased in a dose‐dependent manner. No serious AEs were reported. Cmax and AUC appeared to be dose‐proportional from 10 to 600 mg by a power model. The geometric mean t1/2z ranged from 4.99 to 7.10 h. Cmax and AUC of HDM1002 were similar under fed and fasted conditions. HDM1002 significantly lowered postprandial glucose in a dose‐dependent manner and maintained the glucose‐lowering effect at both 6 and 12 h at 100–600 mg doses.
Conclusions:HDM1002 was safe and well tolerated at 10–600 mg. HDM1002 showed linear pharmacokinetics, and a standardized high‐fat meal did not impact systemic exposure. These results provide preliminary evidence supporting further clinical development of HDM1002 in individuals with type 2 diabetes.