Elecoglipron for weight management in adults with obesity or overweight with or without type 2 diabetes
Official title: A Phase III Randomized, Double-blind, Placebo-controlled Multicenter Master Protocol to Evaluate the Efficacy and Safety of Elecoglipron in Participants With Obesity or Overweight With or Without Type 2 Diabetes Mellitus (Embold)
Run by AstraZeneca · NCT07667803 · Data updated 2026-11-12
This study tests whether taking elecoglipron once daily helps adults with obesity or overweight, with or without type 2 diabetes, lose more weight than placebo when combined with diet and exercise.
Quick facts
| Phase | Phase 3 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 4500 (estimated) |
| Sponsor | AstraZeneca Industry-sponsored |
| Locations | 325 sites (Birmingham, Alabama and 324 other locations) |
| Status | Recruiting |
| Started | June 29, 2026 |
| Main results expected | July 31, 2028 |
| Study ends | July 30, 2029 |
| Registry record updated | October 13, 2026 |
| Trial ID | NCT07667803 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Adults aged 18 and older with obesity or overweight and at least one weight-related comorbidity, with or without type 2 diabetes, who have not achieved sufficient weight loss with prior lifestyle efforts.
✕Probably not a fit
Individuals with type 1 diabetes or poorly controlled diabetes (high HbA1c) or other significant exclusions may not benefit and could be at risk of adverse effects.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This is a global, Phase 3 program consisting of two independent, pivotal, randomized, double-blind, placebo-controlled studies. Participants are adults with obesity (BMI ≥30) or overweight (BMI ≥25) with at least one weight-related comorbidity, enrolled to receive either elecoglipron at two doses or placebo, alongside lifestyle guidance. Study 1 targets those without type 2 diabetes, while Study 2 includes participants with type 2 diabetes; both use a 72-week primary endpoint measuring percent change in body weight from baseline. Approximately 4,500 participants are planned (3,000 in Study 1 and 1,500 in Study 2) across multiple global centers. Primary safety and efficacy outcomes focus on weight loss and adverse events in a parallel-group design.
Why it matters
Potential benefit: If successful, this approach could offer a new oral medication option to support weight loss in adults with obesity or overweight, potentially improving related health risks.
How similar studies have gone: Previous development programs in weight-management agents with similar designs have shown weight loss signals, though this exact elecoglipron approach in a two-study Phase 3 program is contemporary and data are pending.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria * Legal age of consent and at least 18 years old * Study 1 - * BMI ≥ 30 kg/m2 or * 25 kg/m2 ≤ BMI \< 30 kg/m2 with at least one of the following weight-related comorbidities: * Hypertension * Prediabetes * Dyslipidemia * Cardiovascular disease * Obstructive sleep apnea. * Study 2 - BMI ≥ 25 kg/m2 and T2DM defined as below: * Established diagnosis of T2DM * Without established diagnosis of T2DM and HbA1c ≥ 6.5% (48 mmol/mol) at the screening visit * Stable body weight (self-reported or documented) for 90 days prior to the screening visit (± 5% body weight change) * History of at least one self-reported unsuccessful dietary effort to lose body weight. Exclusion Criteria * Study 1 - Established diagnosis of T1DM or T2DM. * Study 2 - Any of the following medical history, laboratory values, or complications related to diabetes: * T1DM * HbA1c ≥ 10% (86 mmol/mol) at the screening visit * Currently receiving, or anticipated to receive, therapeutic intervention for diabetic retinopathy and/or macular edema. * Have had more than one episode of severe hypoglycemia within 180 days prior to the screening visit, or has a history of hypoglycemia unawareness or poor recognition of hypoglycemic symptoms * History of acute (unless due to previously resolved gallstone pancreatitis and post-cholecystectomy) or chronic pancreatitis * History/family history (first degree biologic relatives) of medullary thyroid cancer or multiple endocrine neoplasia type 2
Where it's running
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Birmingham, Alabama, United States Recruiting -
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Dothan, Alabama, United States Recruiting -
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Chandler, Arizona, United States Recruiting -
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Little Rock, Arkansas, United States Recruiting -
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Lynwood, California, United States Recruiting -
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Rolling Hills Estates, California, United States Recruiting
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DuBois, Pennsylvania, United States Recruiting -
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Newport, Pennsylvania, United States Recruiting -
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Charleston, South Carolina, United States Recruiting -
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Gaffney, South Carolina, United States Recruiting -
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Franklin, Tennessee, United States Recruiting -
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Knoxville, Tennessee, United States Recruiting -
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Humble, Texas, United States Recruiting -
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Irving, Texas, United States Recruiting -
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Midlothian, Virginia, United States Recruiting -
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Caba, Argentina Recruiting -
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Caba, Argentina Recruiting -
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Capital Federal, Argentina Recruiting
+275 more sites. See ClinicalTrials.gov for the full list.
Study contacts
- Principal investigator: Prof. Melanie Davies, MBChB — Diabetes Research Centre Leicester Diabetes Centre - Bloom University of Leicester
- Study coordinator: AstraZeneca Clinical Study Information Center
- Email: information.center@astrazeneca.com
- Phone: 1-877-240-9479
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.