The Impact of Semaglutide Compared to Energy Restriction on Type 2 Diabetes

Who May Qualify: 1. Age 18-75 years; 2. BMI≥25 kg/m²; 3. Diagnosed as type 2 diabetes mellitus patients according to the "Guidelines for the Prevention and Treatment of Type 2 Diabetes in China (2020 Edition)"; 4. HbA1c≤8.5%; 5. Duration of diabetes ≤3 months, and no use of antihyperglycemic drugs; 6. Willing to participate in this study, and after full willing to sign a consent form, agrees to strictly follow the treatment plan and promises to attend follow-up visits on time, and signs the willing to sign a consent form form. Who Should NOT Join This Trial: 1. BMI \< 25 kg/m²; 2. Age \< 18 years, or \> 75 years; 3. History of type 1 diabetes, acute pancreatitis, or diabetes secondary to pancreatectomy; 4. History of bariatric surgery or planned bariatric surgery, or currently attempting weight loss within the past 3 months, or use of weight-loss medications within the past 3 months; 5. Use of GLP-1 receptor agonists, sodium-glucose cotransporter 2 inhibitors, dipeptidyl peptidase-4 inhibitors, thiazolidinediones, or other related drugs within the past 3 months; 6. Pregnant or breastfeeding women, or those planning to conceive during the study period; 7. Patients with severe diseases of important organ systems, such as severe cardiovascular and cerebrovascular diseases, respiratory diseases, gastrointestinal diseases, renal insufficiency, hematologic diseases, neurological diseases, or malignancies; 8. Personal or family history of medullary thyroid carcinoma; 9. Patients with severe mental disorders or communication barriers that prevent accurate understanding of the study content and compliance with the trial procedures. Always talk to your doctor about whether this trial is right for you.