New obesity drug passes early safety check
NCT ID NCT06557356
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early-stage study tested a new drug called LY3532226 in 132 people with obesity to see if it is safe and how the body processes it. Participants received weekly or monthly doses, and researchers monitored side effects and drug levels in the blood. The goal was to gather safety information, not to measure weight loss.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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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132 people
The number who actually took part.
- Started
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Aug 2024
- Finished
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Dec 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.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Have a body weight not exceeding 150 kilograms (kg) or 330 pounds (lb) and body mass index (BMI) within the range of 30 to 40 kilogram per square meter (kg/m²) * Have had a stable body weight that is less than or equal to 5% change in body weight for 3 months prior to screening and enrollment Exclusion Criteria: * Have a lifetime history of a suicide attempt * Have a history or presence of psychiatric disorders, including a history of major depressive disorder within the last 2 years * Have a baseline Patient Health Questionnaire-9 (PHQ-9) score of 15 or greater, and/or a score of 2 or greater for either of the first 2 questions on the PHQ-9 questionnaire * Have a known clinically significant gastric emptying abnormality, have undergone gastric bypass surgery or restrictive bariatric surgery * Have taken approved or investigational medication for weight loss, within the previous 3 months or 5 half-lives of study screening, whichever is earlier * Intend to use any weight-loss medications during study participation * Have obesity induced by other endocrinologic disorders or diagnosed monogenetic or syndromic forms of obesity
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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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Lilly Centre for Clinical Pharmacology
Singapore, 138623, Singapore
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