Can a once-daily pill help manage obesity? a new trial puts an experimental drug to the test.
NCT ID NCT07731139
First seen Jul 28, 2026 · Last updated Jul 29, 2026 · Updated 1 time
Summary
This early-stage trial is testing an experimental oral drug called PF-08642534 in adults with obesity. The goal is to see if different doses are safe and how the body processes the drug. Participants will receive either the drug or a placebo once daily for a set period. The study is not designed to measure weight loss but to gather essential safety data.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- an experimental oral drug called PF-08642534
- What this could lead to
- If safe and effective, this drug could offer a new oral treatment option for obesity.
- What could go wrong
- This is an early Phase 1 trial focused on safety, not weight loss. The drug may not work or could have side effects.
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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About 120 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jul 2026
An estimate. Start dates often move.
- Expected to finish
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Apr 2027
An estimate. End dates often move.
- 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 70 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: * Body mass index (BMI) ≥30.0 and ≤40.0 kg/m², and with stable body weight prior to screening. * Participants are generally otherwise healthy but may have mild chronic conditions (eg, dyslipidemia or hypertension) Exclusion: \- Individuals with diabetes, significant cardiovascular, hepatic, renal, gastrointestinal, or psychiatric disorders, or conditions that may affect drug absorption or metabolism, are not eligible to participate.
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Get notified about this study
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Orange County Research Center
Lake Forest, California, 92630, United States
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