Dose-ranging Study to Evaluate the Efficacy, Safety, and Tolerability of AMG 133 in Adult Subjects With Overweight or Obesity, With or Without Type 2 Diabetes Mellitus

Prior treatment

• Change in body weight greater than 5 kg within 3 months prior to screening.

Other illness

• Obesity induced by other endocrinologic disorders.
• History of pancreatitis.
• Family or personal history of medullary thyroid carcinoma or multiple endocrine neoplasia syndrome type 2 (MEN-2).
• History of major depressive disorder within the last 2 years.
• Any lifetime history of other major psychiatric disorder or suicide attempt.

• Age ≥18 years at the time of signing informed consent.
• BMI ≥30 kg/m\^2, or ≥27 kg/m\^2 and previous diagnosis with at least one of the following comorbidities: hypertension, dyslipidemia, obstructive sleep apnea, cardiovascular disease.
• For participants in cohort B only, HbA1c ≥ 7% and ≤ 10% (53 to 86 mmol/mol) at screening with an established diagnosis of type 2 diabetes mellitus for ≥ 180 days prior to screening and either treated with diet and exercise alone or on stable (at least 90 days prior to screening) treatment with metformin, a sulfonylurea, or a sodium-glucose cotransporter 2 (SGLT2) inhibitor as monotherapy or combination therapy, per approved local label.
• History of at least one unsuccessful dietary effort to lose body weight.