A Study of Tirzepatide (LY3298176) Plus Mibavademab Compared With Tirzepatide Alone in Adult Participants With Obesity
About the study
The main purpose of this study is to determine if combining tirzepatide with mibavademab will result in more weight loss in adult participants than tirzepatide alone. The study will last about 74 weeks and may include up to 19 visits.
Who can take part
You may be eligible to participate in the study if you meet the following criteria:
INCLUSION CRITERIA
Inclusion Criteria:
- Have a body mass index (BMI) of ≥30 kilogram/square meter (kg/m²) and ≤40 kg/m²
- Willing to learn how to self-inject study intervention (visually impaired persons who are not able to perform the injections must have the assistance of a sighted individual trained to inject the study intervention; persons with physical limitations who are not able to perform the injections must have the assistance of an individual trained to inject the study intervention)
- Male or female contraceptive use by participant should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies.
EXCLUSION CRITERIA
Exclusion Criteria:
- Have a history of diabetes mellitus, including Type 1 Diabetes Mellitus (T1DM) or Type 2 Diabetes Mellitus (T2DM), history of ketoacidosis, or hyperosmolar state/coma
- Have a self-reported change (increase or decrease) in body weight >5 kilogram (kg) within 3 months prior to screening
- Have a family or personal history of medullary thyroid carcinoma (MTC) or multiple endocrine neoplasia (MEN) syndrome type 2
- Have acute or chronic hepatitis
- Have a history of an active or untreated malignancy or are in remission from a clinically significant malignancy for less than 5 years
Study Locations
Enter your ZIP code/Postal code/PIN code to locate study sites near you:
How to Apply
Contact the study center to learn if this study is a good match for you.
Study Details
Contition
Obesity
Age
18+
Phase
PHASE2
Participants Needed
360
Est. Completion Date
Apr 30, 2026
Treatment Type
INTERVENTIONAL
Sponsor
Eli Lilly and Company
ClinicalTrials.gov NCT Identifier
NCT06373146
Study Number
I8F-MC-GPIV
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