Gestational Diabetes Mellitus Clinical Trials

59 recruitingLast updated: July 25, 2026

There are 59 actively recruiting gestational diabetes mellitus clinical trials across 20 countries. Studies span Not Applicable, Phase 1, Phase 2, Phase 3, Phase 4. Top locations include New York, New York, United States, Knoxville, Tennessee, United States, Columbus, Ohio, United States. Updated daily from ClinicalTrials.gov.


Gestational Diabetes Mellitus Trials at a Glance

59 actively recruiting trials for gestational diabetes mellitus are listed on ClinicalTrialsFinder across 6 cities in 20 countries. The largest study group is Not Applicable with 30 trials, with the heaviest enrollment activity in New York, Knoxville, and Columbus. Lead sponsors running gestational diabetes mellitus studies include National Taiwan University Hospital, George Washington University, and Ohio State University.

Browse gestational diabetes mellitus trials by phase

Treatments under study

About Gestational Diabetes Mellitus Clinical Trials

Looking for clinical trials for Gestational Diabetes Mellitus? There are currently 32 studies actively recruiting participants. Clinical trials offer access to new treatments before they are widely available, and every approved therapy in use today was first tested through a clinical trial.

Below you can browse trials, sign up for alerts when new Gestational Diabetes Mellitus trials open, and view eligibility criteria for each study. Each listing includes the study phase, locations, and enrollment details.

Frequently Asked Questions

Common questions about Gestational Diabetes Mellitus clinical trials

A clinical trial is a carefully designed research study that tests new medical treatments, drugs, devices, or approaches in human volunteers. Every approved medication and treatment available today was proven safe and effective through clinical trials.

All clinical trials are reviewed and approved by Institutional Review Boards (IRBs) — independent committees that evaluate patient safety. Trials follow strict protocols, and your health is monitored closely throughout. You can withdraw at any time.

Not necessarily. Many trials compare the new treatment against the current standard of care, meaning all participants receive active treatment. When placebos are used, they are typically combined with standard treatment, not given alone. The trial description will always specify the design.

Under the Affordable Care Act, most private insurers are required to cover routine patient care costs during a clinical trial. The sponsor typically covers the investigational treatment itself. Medicare also covers routine costs for qualifying trials.

Yes. Participation is completely voluntary. You can withdraw at any time, for any reason, without it affecting your access to standard medical care.

Each trial has specific eligibility criteria — including age, diagnosis, disease stage, prior treatments, and general health. Browse the trials listed above and check their eligibility sections. You can also contact the trial site directly to discuss your situation.

Showing 120 of 59 trials

Recruiting
Not Applicable

Validating CGM for GDM

Gestational Diabetes Mellitus (GDM)
Icahn School of Medicine at Mount Sinai150 enrolled2 locationsNCT06858787
Recruiting

Placental Biology in Health and Disease

PregnancyPre-EclampsiaFetal Growth Restriction (FGR)+3 more
University of Oxford360 enrolled1 locationNCT07470320
Recruiting

Assessment of Quality of Life and Psychological Factors Among Women Diagnosed With Gestational Diabetes Mellitus

Gestational Diabetes Mellitus (GDM)
Lovely Professional University206 enrolled1 locationNCT07717424
Recruiting
Not Applicable

Impact of Behavioural Modification Working Toolkit Among Women With Gestational Diabetes Mellitus and Hypertension

Gestational Diabetes Mellitus in PregnancyHypertension ,Pregnancy
University of the Punjab220 enrolled2 locationsNCT07551011
Recruiting
Not Applicable

The Impact of Myo-Inositol on Glycemic Control and Oxidative Stress in Gestational Diabetes Mellitus

Gestational Diabetes Mellitus (GDM)
Medical University of Vienna40 enrolled2 locationsNCT07685015
Recruiting
Not Applicable

Home-Ultrasound in Routine High-Risk Care of Patients With Gestational Diabetes Mellitus (GDM)

Gestational Diabetes Mellitus
Wolfson Medical Center90 enrolled1 locationNCT07158970
Recruiting
Not Applicable

Poi for Mama: a Pilot to Improve Maternal Microbiome and Gestational Diabetes Risk

PregnancyGestational Diabetes Mellitus (GDM)
University of Hawaii50 enrolled3 locationsNCT07446205
Recruiting

The Next Generation Longitudinal Birth Cohort Diabetes Study

Type 2 DiabetesGestational Diabetes Mellitus
University of Manitoba600 enrolled1 locationNCT04621396
Recruiting
Phase 4

DECIDE: A Comparative Effectiveness Trial of Metformin Versus Insulin for the Treatment of Gestational Diabetes

Pregnancy, High RiskGestational Diabetes Mellitus
Ohio State University1,572 enrolled24 locationsNCT06445946
Recruiting
Not Applicable

The Impact of Continuous Glucose Monitoring on Maternal and Infant's Outcomes in Gestational Diabetes

Continuous Glucose MonitoringGestational Diabetes Mellitus
National Taiwan University Hospital120 enrolled1 locationNCT06436326
Recruiting
Not Applicable

Effects of Leg Ergometer Versus Arm Ergometer on Blood Glucose, Exercise Tolerance, Weight, and Psychological Stress Among Gestational Diabetic Patients

Pregnancy ComplicationsGestational Diabetes Mellitus (GDM)Diabetes Complication+3 more
Lahore University of Biological and Applied Sciences108 enrolled1 locationNCT07554287
Recruiting

Protective Effect of Lactation Against Gestational Diabetes Mellitus in Subsequent Pregnancies: A Prospective Observational Cohort Study

Gestational Diabetes Mellitus (GDM)Lactating Mother
Prof. Dr. Cemil Tascıoglu Education and Research Hospital Organization140 enrolled2 locationsNCT07624968
Recruiting
Not Applicable

Feasibility Testing of the "MyGlucoCare" Smartphone App for Women With Gestational Diabetes

Gestational Diabetes Mellitus (GDM)
Hong Kong Metropolitan University30 enrolled1 locationNCT07372872
Recruiting
Not Applicable

Natural Cervical Ripening to Prevent Pharmacological Induction of Labor - a Pilot Study.

Induction of laborPregnancyGestational Diabetes Mellitus (GDM)
University of Zurich74 enrolled1 locationNCT07587632
Recruiting

Cardiometabolic Disease and Substrate Metabolism

Insulin ResistancePregnancyPregnancy Complications+9 more
University of Tennessee Graduate School of Medicine50 enrolled1 locationNCT07565727
Recruiting
Not Applicable

Screening for Dysglycemia During Postpartum Period in Women With GDM

Gestational Diabetes Mellitus (GDM)
University of Sao Paulo General Hospital182 enrolled1 locationNCT07489456
Recruiting
Not Applicable

Determining the Effect of Food Ordering on Blood Glucose In Gestational Diabetes Mellitus (DEFI-GDM)

Gestational Diabetes Mellitus (GDM)
Queen's University, Belfast35 enrolled1 locationNCT06896799
Recruiting

Gestational Diabetes and Health Outcomes in Mothers and Babies

PregnancyGestational Diabetes Mellitus (GDM)
Medical University of Graz400 enrolled1 locationNCT07459907
Recruiting

Glycemic Markers for Predicting Gestational Diabetes in Pregnant Women With Previous Bariatric Surgery

Pregnancy ComplicationsGestational Diabetes Mellitus (GDM)History of Bariatric Surgery
Burak Deniz Aydoğdu84 enrolled1 locationNCT07517406
Recruiting

Pregnancy and Postpartum Breastfeeding Support for Patients With Gestational Diabetes

Diabetes Type 2Gestational Diabetes Mellitus (GDM)Breastfeeding Continuation+1 more
University of California, Davis10 enrolled1 locationNCT07176793