This is a multicenter, randomized, double-blind, placebo-controlled phase III clinical study to evaluate the efficacy and safety of BGM0504 in patients with type 2 diabetes (T2D) with poor glycemic control only through diet and exercise.

The main purpose is to evaluate the clinical efficacy of BGM0504 injection monotherapy for 32 weeks compared with placebo in Chinese patients with type 2 diabetes with poor glycemic control only through diet and exercise, and to evaluate the clinical efficacy and safety of BGM0504 injection for 52 weeks of administration.

Inclusion Criteria:

• ☑ Have been diagnosed with type 2 diabetes mellitus (T2DM);

  • Have a BMI ≥23 kilograms per meter squared (kg/m²) at screening;
  • Be of stable weight (± 5%) for at least 3 months before screening;
  • Have HbA1c between ≥7.5% and ≤11.0%；
  • Fasting Plasma Glucose (FPG) ≤ 15.0 mmoL/L.

Exclusion Criteria:

• ■ Previous diagnosis of type 1 diabetes, special type diabetes ;

  • There are malignant tumors within 5 years before screening, or patients are in latent of clinical malignant tumors (except patients with skin basal cell carcinoma and squamous cell carcinoma, cervical carcinoma in situ, prostate carcinoma in situ or papillary thyroid carcinoma who have no recurrence after surgery).
  • Have had chronic or acute pancreatitis any time prior to study entry;
  • Known allergic constitution (allergy to 3 or more kinds of food or drugs), or allergy to GLP-1 receptor agonists, or severe allergic diseases (asthma, urticaria, eczematous dermatitis, etc.) at screening;
  • Mentally incapacitated or speech-impaired;
  • Suspected or confirmed history of alcohol or drug abuse;
  • Pregnant or lactating woman;
  • The investigator considers that there are any other conditions that make it inappropriate to participate in this study.