Comparing insulin treatment with or without metformin for gestational diabetes
Official title: Gestational Diabetes Treatment: Should We Continue Metformin When Starting Insulin? a Randomized Control Trial
Run by University of Virginia · NCT06781775 · Data updated 2026-11-12
This study is testing if pregnant women with gestational diabetes can benefit from continuing metformin along with insulin to see if it helps them and their babies stay healthier.
Quick facts
| Phase | Phase 4 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years to 50 Years |
| Sex | Women only |
| Enrollment | 130 (estimated) |
| Sponsor | University of Virginia Academic / other |
| Locations | 1 site (Charlottesville, Virginia) |
| Status | Recruiting |
| Started | December 12, 2024 |
| Main results expected | May 1, 2026 |
| Study ends | May 1, 2027 |
| Registry record updated | January 17, 2025 |
| Trial ID | NCT06781775 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are pregnant women diagnosed with gestational diabetes who require insulin therapy after starting metformin.
✕Probably not a fit
Patients with allergies to metformin or insulin, severe liver dysfunction, chronic kidney disease, or major fetal anomalies 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 clinical trial investigates the effects of continuing metformin alongside insulin therapy in pregnant women diagnosed with gestational diabetes who require insulin for blood sugar control. Participants will be randomly assigned to either continue metformin or discontinue it when insulin is introduced. The study aims to determine if maintaining metformin can lower insulin dosage requirements and enhance both maternal and neonatal health outcomes. This research addresses a gap in current knowledge regarding the optimal management of gestational diabetes when both medications are needed.
Why it matters
Potential benefit: If successful, this study could lead to improved management strategies for gestational diabetes, potentially reducing insulin requirements and enhancing outcomes for mothers and their babies.
How similar studies have gone: This approach has not been extensively studied, making it a novel investigation in the management of gestational diabetes.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: 1. Provision of signed and dated informed consent form 2. Stated willingness to comply with all study procedures and availability for the duration of the study 3. Pregnant female meeting diagnosis for gestational diabetes requiring medical treatment 4. Ability to take oral medication and be willing to adhere to the metformin regimen 5. Willing to take insulin if needed 6. Willing to take blood sugars 4 times per day \- Exclusion Criteria: * 1\) Metformin allergy or known intolerance, known hypersensitivity to insulin 2) Severe hepatic dysfunction 3) Chronic kidney disease 4) Pregnancy with major fetal anomalies 5) Non-viable pregnancy
Where it's running
-
University of Virginia
Charlottesville, Virginia, United States Recruiting
Study contacts
- Study coordinator: Amanda R Urban, MS
- Email: ajr5y@uvahealth.org
- Phone: 4344093100
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
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Early Glucose Patterns in Pregnant Women at Risk for GDM
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Probiotic-augmented therapy for gestational diabetes
This trial tests whether adding multistrain probiotics to metformin, insulin, or their combination can improve blood sugar control and inflammation in pregnant women with gestational diabetes.
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This project will try to see if insulin resistance and how the body burns fats early in pregnancy predict later preeclampsia or gestational diabetes in people at higher risk.
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How sleep, lifestyle, and metabolism relate to pregnancy outcomes in gestational diabetes
This project will see if sleep quality, anxiety, eating and activity habits, and metabolic markers relate to blood sugar control and birth outcomes in pregnant people with gestational diabetes.
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Pre-eclampsia risk in pregnancies after oocyte donation
We will follow pregnant women who used donated eggs and women who used their own eggs to see if pregnancies after oocyte donation lead to a higher risk of pre-eclampsia.
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Mobile-based obstetric monitoring for hypertension and diabetes during pregnancy
A mobile app-based program lets pregnant people with high blood pressure or gestational diabetes track BP and glucose at home and share results with their care team to guide care.
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.