The main purpose of this study is to see how orforglipron, compared with placebo, helps reduce body weight in participants with obesity or with overweight and at least one other related health condition (excluding type 2 diabetes). This trial is part of the master protocol study J2A-MC-GZPO (NCT06993792).

Participation in the study will last about 18 months.

Inclusion Criteria:

• Have body mass index (BMI) ≥30 kilograms per square meter (kg/m2) or BMI ≥25.0 kg/m2 and at least 1 of the following weight-related comorbidities at screening:

  • hypertension
  • dyslipidemia
  • obstructive sleep apnea, or
  • cardiovascular disease

• Have a history of at least one unsuccessful dietary effort to lose body weight

Exclusion Criteria:

• Have type 1 diabetes, type 2 diabetes, or any other types of diabetes
• Have an unstable body weight within 90 days prior to screening
• Have New York Heart Association functional classification IV congestive heart failure or an acute cardiovascular condition within 90 days prior to screening
• Have acute or chronic hepatitis or pancreatitis
• Are taking other medications or alternative remedies to manage weight loss

Anonymized individual patient level data will be provided in a secure access environment upon approval of a research proposal and a signed data sharing agreement.

Data are available 6 months after the primary publication and approval of the indication studied in the US and EU, whichever is later. Data will be indefinitely available for requesting.

A research proposal must be approved by an independent review panel and researchers must sign a data sharing agreement.