New obesity drug HRS-5817 enters human safety testing
NCT ID NCT07238647
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early-phase trial tests the safety of a single dose of HRS-5817 in 40 obese adults aged 18-55. Participants receive either the drug or a placebo by injection. The study monitors side effects and how the drug moves through the body.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- HRS-5817
- What this could lead to
- If successful, this could lead to a new weight-loss drug that helps control obesity.
- What could go wrong
- This is a very early, small study focused on safety, not effectiveness. 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
-
Early phase 1
The earliest testing in people: a first look at safety, in a very small group.
- Participants
-
About 40 people
The number the study aims to enrol. It can still change while the study runs.
- Started
-
Jan 2026
- Expected to finish
-
Jan 2027
An estimate. End dates often move.
- Lead sponsor
-
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
-
18 to 55 years
- Sex
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Anyone
- Healthy volunteers
-
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: 1. Participants aged between 18 to 55 years of age (inclusive) 2. Participants with body mass index (BMI) between 30.0 kg/m2 (inclusive) to 40.0 kg/m2 (inclusive) at screening. 3. Ability to understand the trial procedures and possible adverse events, volunteer to participate in the trial, and provide written informed consent, be able to comply with all the requirements, and able to complete the study. Negative pregnancy test for women of childbearing potential (WOCBP) at baseline. Men and WOCBP must agree to take highly effective contraceptive methods Exclusion Criteria: 1\. History or evidence of clinically significant disorders 2. Individuals with a weight change of more than 5kg within 3 months prior to the screening. 1. Participant with a history of or current endocrine disorders that may significantly influence body weight (e.g., Cushing's syndrome, hypothyroidism, hyperthyroidism), or with obesity resulting from pharmacotherapy, monogenic mutations, or hereditary obesity syndromes. 2. Any other circumstances (e.g., not suitable for venous access) or laboratory abnormality that, in the investigator's judgment, may increase the risk to the participant, or be associated with the participant's participation in and completion of the study or could preclude the evaluation of the participant's response. 3. Use of any GLP-1 receptor agonists (including but not limited to Liraglutide, Beneglitide, Semaglutide, and Tirzepatide, etc.) or any other prescription medications, OTC drugs and dietary supplements for weight loss (including but not limited to Orlistat, Naltrexone/Bupropion, Phentermine/Topiramate, ect.). within 3 months prior to screening, and no planned use for the study duration. NOTE: Other protocol defined Inclusion/Exclusion criteria may apply
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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
-
Linear
Perth, Western Australia, 6027, Australia
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