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New obesity drug SRSD384 enters human testing
NCT ID NCT07557355
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests a new injectable drug called SRSD384 in 78 overweight or obese adults. In the first part, participants receive a single dose of SRSD384 alone. In the second part, they receive SRSD384 combined with another weight-loss drug, tirzepatide. The main goal is to check safety 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
- SRSD384 injection
- What this could lead to
- If successful, this could point toward a new weight-loss treatment option for people with obesity, possibly combined with existing drugs like tirzepatide.
- What could go wrong
- This is an early-phase trial with only 78 participants, so safety and effectiveness are not yet proven. The drug may cause side effects or fail to show meaningful 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 1/2
Runs two stages together: safety and dose first, then whether the treatment works.
- Participants
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About 78 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jun 2026
An estimate. Start dates often move.
- Expected to finish
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Oct 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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Accepted
You do not need to have the condition being studied to take part.
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: * Able to comprehend and willing to sign an informed consent form (ICF) and to abide by the study restrictions; * Males or females; * Body mass index (BMI) between 27.0 and 40.0 kg/m2, inclusive; * Male subjects are not allowed to donate sperm, and female subjects are not allowed to donate eggs from the time the ICF is signed until at least 3 months after the last follow-up. Exclusion Criteria: * Obesity attributable, in the investigator's opinion, to medication use, endocrinologic or monogenic disorders; * Having a significant medical history or clinical manifestations related to any allergic, dermatological, hepatic, renal, hematological, pulmonary, cardiovascular, gastrointestinal, neurological, respiratory, endocrine (other than overweight or obesity), or psychiatric conditions that are severe or unstable (determined by the investigator or medically qualified designee); * Evidence of active cancer within 2 years prior to screening (non-melanoma skin cancer, localized prostate cancer treated with curative intent, or other in situ carcinoma that does not require systemic therapy and is considered cured for at least 1 year is allowed); * Acute febrile illness within 7 days prior to randomization or evidence of active infection * Any major surgery within 3 months prior to screening or plan to have any major surgery during the study; * History of clinically significant hypersensitivity, intolerance, or allergy to any oligonucleotide or GalNAc as determined by the investigator; * Receipt of an investigational drug within 30 days or 5 half-lives of that drug, whichever is longer, prior to dose administration in this study; * Have previously completed or withdrawn from this study or any other study investigating SRSD384 and have previously received SRSD384.
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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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NovaTrials
Charlestown, New South Wales, 2290, Australia
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