A Study of HRS-7535 Compared With Placebo in Adult Participants With Type 2 Diabetes and Inadequately Controlled With Diet and Exercise

Inclusion Criteria: 1. Male or female, 18-75 age years, both inclusive; 2. Type 2 diabetes mellitus diagnosed for at least 2 months before the screening visit; 3. HbA1c 7.0-10.0% (both inclusive) at screening; 4. Treated with diet and exercise, and without any antidiabetic drugs at least 8 weeks prior to screening. Exclusion Criteria: 1. Known or suspected allergy to the investigational drug or its components or excipients. 2. Diagnosed or suspected with type 1 diabetes mellitus, special types of diabetes or secondary diabetes. 3. Have a history of acute complications of diabetes (diabetic ketoacidosis, lactic acidosis, hyperglycaemic hyperosmolar state, etc.) within 6 months prior to screening. 4. Proliferative retinopathy, maculopathy, painful diabetic neuropathy, diabetic foot ulcer or intermittent claudication requiring acute treatment; 5. Pregnancy, breast-feeding, intention of becoming pregnant during the trial; or women of childbearing potential (WOCBP) or male subject not using adequate contraceptive measures.