New combo pill for obesity passes early safety check
NCT ID NCT06345066
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early-stage study tested whether adding a new drug (LY3841136) to an existing weight-loss medication (tirzepatide) is safe and tolerable. 96 healthy overweight or obese adults took part over about 42 weeks. The main goal was to check for side effects, not to prove weight loss, though changes in body weight were also measured.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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96 people
The number who actually took part.
- Started
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Apr 2024
- Finished
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Sep 2025
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 65 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Male and female participants who are overtly healthy as determined by medical evaluation * Have a stable body weight and Body Mass Index in range of 27 to 45 kilogram per meter square (kg/m²). * Have clinical laboratory test results within normal reference range * Have venous access sufficient to allow for blood sampling * Are reliable and willing to make themselves available for the duration of the study and are willing to follow study procedures Exclusion Criteria: * Have type 1 or type 2 diabetes mellitus * Have an abnormal 12-lead electrocardiogram (ECG) * Have a history or presence of psychiatric disorders * Have abnormal blood pressure and pulse rate * Are currently enrolled in another clinical study trial involving medical research or have participated within the last 30 days in a clinical study involving an investigational product.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Fortrea Clinical Research Unit
Daytona Beach, Florida, 32117, United States
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Fortrea Clinical Research Unit
Dallas, Texas, 75247, United States
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Fortrea Clinical Research Unit
Madison, Wisconsin, 53704, United States
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