New weekly pill aims to keep weight off after obesity treatment
NCT ID NCT07553299
First seen Jun 27, 2026 · Last updated Aug 05, 2026 · Updated 2 times
Summary
This study tests a weekly oral medication called ecnoglutide (VRB-101) to see if it can help people with obesity or overweight maintain their weight. Participants must have already been on weekly injections of semaglutide or tirzepatide for at least 6 months. The goal is to find the best dose for weight maintenance while monitoring safety and side effects.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 120 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2026
- Expected to finish
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Dec 2026
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 80 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.
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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 history of BMI of ≥30 kg/m2 OR ≥27 kg/m2 and \<30 kg/m2 with at least 1 weight-related comorbidity at the time of initiation of subcutaneous (SC) semaglutide and/or tirzepatide treatment. * Documented history of having obesity or overweight with weight-related comorbidities per medical records at the time of initiation of SC semaglutide and/or tirzepatide treatment. * History of treatment with weekly SC semaglutide and/or tirzepatide for a minimum of 6 months prior to Screening. * Documented weight reduction of ≥10% in 6 months and no clinically relevant weight regain. * Participants of childbearing potential (POCBP) must be non-pregnant and non-lactating and must agree to use study-specified contraceptive methods. Exclusion Criteria: * Current or past diagnosis of diabetes mellitus \[type 1 diabetes mellitus (T1DM) or type 2 diabetes mellitus (T2DM), or other forms of diabetes mellitus\]. A participant with a history of gestational diabetes may be included in the study if the participant has HbA1c \<6.5% at Screening and is not on medication to lower glucose. * At least 1 laboratory value suggestive of diabetes during screening, including 1 or more of HbA1c ≥6.5% (48 mmol/mol) or random glucose ≥200 mg/dL (11.1 mmol/L). * Diagnosed with obesity due to endocrinologic disorders (for example, Cushing's syndrome) or diagnosed monogenetic or syndromic forms of obesity (for example, melanocortin 4 receptor deficiency or Prader-Willi syndrome) * History of clinically significant gastric emptying abnormality (for example, severe gastroparesis or gastric outlet obstruction). * Evidence of uncontrolled hypothyroidism or hyperthyroidism based on an abnormal thyroid-stimulating hormone (TSH). * Personal or family history (first-degree relative) of multiple endocrine neoplasia type 2A or type 2B, thyroid C-cell hyperplasia, or medullary thyroid carcinoma. * Evidence of a significant, uncontrolled endocrine abnormality (for example, thyrotoxicosis or adrenal crises) * Renal impairment measured as eGFR \<30 mL/min/1.73 m2 * History of acute or chronic pancreatitis or clinically significant gallbladder disease. * Triglycerides \>500 mg/dL (5.7 mmol/L) at Screening. * Poorly controlled hypertension or an elevated resting pulse rate (\>100 bpm). * Current treatment with or history of treatment with (within 3 months prior to Screening) medications that may cause significant weight gain. * Prior or planned surgical treatment for obesity, plan to have endoscopic and/or device-based therapy for obesity or have had device removal within the last 6 months prior to Screening. * Known hypersensitivity to any of the study drug ingredients. * Are pregnant or lactating at Screening or planning to become pregnant (self or partner) at any time during the study and for at least 60 days after completion of the 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.
Contacts and locations
Locations
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Clinical Study Site 201
Little Rock, Arkansas, 72205, United States
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Clinical Study Site 202
Cullman, Alabama, 35055, United States
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Clinical Study Site 203
Phoenix, Arizona, 85028, United States
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Clinical Study Site 204
Bradenton, Florida, 34209, United States
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Clinical Study Site 205
Buffalo, New York, 14217, United States
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Clinical Study Site 206
Lenoir, North Carolina, 28645, United States
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Clinical Study Site 207
Richmond, Virginia, 23226, United States
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Clinical Study Site 209
Jackson, Tennessee, 38305, United States
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Clinical Study Site 210
Petal, Mississippi, 39465, United States
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Clinical Study Site 211
Houston, Texas, 77040, United States
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Clinical Study Site 212
Tempe, Arizona, 85281, United States
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Clinical Study Site 213
El Dorado, Kansas, 67042, United States
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Clinical Study Site 214
Santa Maria, California, 93454, United States
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Clinical Study Site 215
St. Petersburg, Florida, 33704, United States
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Clinical Study Site 216
Stamford, Connecticut, 06905, United States
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Clinical Study Site 217
Houston, Texas, 77008, United States
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Clinical Study Site 218
Irving, Texas, 75063, United States
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Clinical Study Site 219
Niles, Illinois, 60714, United States
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Clinical Study Site 220
Oklahoma City, Oklahoma, 73111, United States
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Clinical Study Site 221
Orange City, Florida, 32763, United States
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