This trial includes single-dose studies and multiple-dose studies, The single-dose study included six dose groups of 10 mg, 30 mg, 60 mg, 100mg, 150 mg, 200 mg, 250 mg and 300 mg. Based on the results of a single dose, select 1 to 3 doses to conduct multiple dose studies. To evaluate the tolerance of GST-HG131 tablets in healthy subjects in single and multiple administrations, pharmacokinetic characteristics, drug metabolism and transformation, and the effect of food on GST-HG131 pharmacokinetics.
To Evaluate the Safety, Tolerability and Pharmacokinetics of GST-HG131 Tablets in Single-center, Randomized, Double-blind, Placebo-controlled Multiple-dose, Single-dose, Multiple-dose Phase Ia Clinical Trials in Healthy Subjects