Clinical trial Recruiting at 1 site Phase 4 Interventional Ages 18 to 65

Understanding genetic effects on response to oral semaglutide in type 2 diabetes

Official title: GLUCOSE-MGH: Genetic Links Understood Through Challenge With Oral Semaglutide Exposure at MGH

Run by Massachusetts General Hospital · NCT06003153 · Data updated 2026-11-12

This study is testing how different genes affect how well people with type 2 diabetes respond to the oral medication semaglutide.

More Type 2 Diabetes trials

Quick facts

PhasePhase 4
Study typeInterventional
Ages18 Years to 65 Years
SexAll
Enrollment125 (estimated)
SponsorMassachusetts General Hospital
Academic / other
Locations1 site (Boston, Massachusetts)
StatusRecruiting
StartedMarch 12, 2024
Main results expectedMay 31, 2027
Study endsMay 31, 2027
Registry record updatedJuly 8, 2026
Trial IDNCT06003153 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are males or non-pregnant females aged 18-50 with normal glycemia to pre-diabetes.

Probably not a fit

Patients currently on diabetes medications or those with certain medical histories, such as intestinal malabsorption or pancreatitis, may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This research evaluates how genetic variations influence the response to oral semaglutide, a medication for type 2 diabetes. Participants will undergo a mixed meal tolerance test before and after a 14-day treatment with oral semaglutide, allowing researchers to measure changes in blood factors such as sugars, fats, and proteins. The study aims to uncover the biochemical mechanisms behind the drug's effectiveness and its relationship to type 2 diabetes pathophysiology.

Why it matters

Potential benefit: If successful, this study could lead to more personalized treatment approaches for individuals with type 2 diabetes based on their genetic profiles.

How similar studies have gone: Other studies have shown promise in understanding genetic influences on drug responses, making this approach both relevant and potentially impactful.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Males or non-pregnant females
2. Ages 18-65 (inclusive)
3. Able/willing to give consent
4. Span the metabolic range between normal glycemia and pre-diabetes (fasting glucose of 100-125 mg/dL based on chart review of existing laboratory data)

Exclusion Criteria:

1. Currently taking medications or intending to take medications for diabetes
2. Currently taking medications or intending to take medications that affect glycemic parameters, such as glucocorticoids, growth hormone, or fluoroquinolones
3. Personal history of intestinal malabsorption, bariatric surgery, celiac disease, gallbladder disease, or pancreatitis
4. Personal or family history of medullary thyroid cancer or multiple endocrine neoplasia type 2
5. Estimated glomerular filtration rate (eGFR) \<60 ml/min/1.73 m2 per the Modification of Diet in Renal Disease equation
6. History of cirrhosis and/or aspartate aminotransferase or alanine aminotransferase more than 3x upper limit of normal
7. Dietary restrictions preventing consumption of a MMTT
8. Women who are pregnant, nursing, or at risk of becoming pregnant
9. Participation in other interventional studies during the current study

Where it's running

  • Massachusetts General Hospital
    Boston, Massachusetts, United States
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.