• Age 18 to 70 years (inclusive) at enrollment, regardless of gender.

• Voluntary signing of the informed consent form.

• Newly diagnosed type 2 diabetes mellitus patients, diagnosed according to the WHO 1999 criteria, with a disease duration ≤1 year.

• HbA1c between 7.5% and 10.0%.

• BMI between 24 kg/m² and 42 kg/m².

• Subjects who have not taken antidiabetic medications or have used oral antidiabetic medications for less than 3 months and have discontinued for more than 1 month (calculated from the date of signing the informed consent form).

• Subjects with reproductive potential (including male subjects whose partners have reproductive potential) agree to use effective contraception during the study and for 1 month after study completion.