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New obesity pill combo enters first human safety trial

NCT ID NCT07628127

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Aug 12, 2026 · Updated 2 times

Summary

This early-stage study tests whether a new oral drug, VRB-103, is safe and tolerable when taken alone or with another drug (ecnoglutide) in people with obesity or overweight. About 336 participants will receive either the drug or a placebo. The goal is to check for side effects, not to cure obesity, as weight management typically requires ongoing treatment.

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

Phase 1

The first testing in people. Mainly checks safety and dose, usually in a small group.

Participants

About 336 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jul 2026

Expected to finish

Mar 2028

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 60 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show 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. Male or female assigned at birth, inclusive of all gender identities. 2. Have HbA1c ≤6.4% at Screening and Day -2 eligibility confirmation. 3. Have a BMI of: 1. ≥25 kg/m\^2 and ≤35.0 kg/m\^2 (Part A) OR 2. ≥27 kg/m\^2 and ≤40.0 kg/m\^2 (Part B and Part C) 4. Weight ≥70 kg with self-reported stable body weight (≤5% body weight change) for the 3 months prior to randomization. 5. Otherwise healthy, as defined by the absence of any clinically significant, in the Investigator's opinion, active or chronic disease (e.g., Type 2 diabetes mellitus \[T2DM\], cardiovascular \[CV\] disease, cancer, and any acute or chronic illness that could pose a problem to completing the study) as determined through a comprehensive medical and surgical history, a thorough physical exam (PE) that includes vital signs, a 12-lead Electrocardiogram (ECG), hematology, blood chemistry, serology, and urinalysis. Cardiovascular (CV) risk factors, such as dyslipidemia and mild hypertension, are expected and are allowed. 6. Have an estimated glomerular filtration rate (eGFR) \>60 mL/min at Screening and Day -2 eligibility confirmation, as calculated using the 2021 Chronic Kidney Disease Epidemiology (CKD-EPI) creatinine equation, with no other clinical or laboratory evidence of renal dysfunction or impairment. 7. Persons of childbearing potential must be non-pregnant and non-lactating and must agree to use study-specified contraceptive methods. 8. Have a resting BP of ≤140/90 millimeters of mercury (mmHg) at Screening and Day -2 eligibility with 2 or less hypertension-directed medications. Exclusion Criteria: 1. Have any prior diagnosis of type 1 diabetes mellitus or T2DM, or other forms of diabetes mellitus. A participant with a history of gestational diabetes may be included in the study if the participant has HbA1c ≤6.4% at Screening and Day -2 eligibility confirmation and is not on medication to lower glucose. 2. Have at least 1 laboratory value suggestive of diabetes at Screening and Day -2 eligibility confirmation, including 1 or more of HbA1c \>6.4% (48 mmol/mol) or random glucose ≥200 mg/dL (11.1 mmol/L). 3. Have had exposure to GLP-1, glucose-dependent insulinotropic peptide (GIP), or amylin analogs within 6 months prior to Screening or any prior history of known or suspected hypersensitivity/allergies, intolerability, or lack of efficacy to these medications. Have known or suspected hypersensitivity to study product(s), to amylin analogs, to selective GLP-1 receptor agonist (RAs), or to GIP/GLP-1 or GLP-1/glucagon dual RAs. 4. Presence or history of clinically significant cardiovascular, renal, hepatic, dermatological, respiratory, neurological, psychiatric, malignant, metabolic, endocrinological, hematological, or venereal disorder, as judged by the Investigator. 5. Have a medical history of clinically significant gastric emptying abnormality (for example, severe gastroparesis or gastric outlet obstruction), chronically take drugs that directly affect gastrointestinal (GI) motility, or have a history of any clinically relevant GI diseases or symptoms of GI disorders potentially affecting interpretation of study data. 6. Have a history of hypocalcemia or ionized serum calcium below the normal range at Screening and Day -2 eligibility confirmation.

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder Overweight

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.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names. We don't republish those.

    Open the record ↗

  3. 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

  • Nucleus Network

    RECRUITING

    Melbourne, Australia

More trials for these conditions

Other studies related to the condition(s) this trial covers.