Using myo-inositol during pregnancy to prevent gestational diabetes

Continuous Glucose Monitoring in Myo-inositol Supplemented Obese Pregnant Individuals: a Feasibility Pilot Randomized Control Trial

Not applicable Interventional Tufts Medical Center · NCT06575868

This study tests if taking myo-inositol during pregnancy can help prevent gestational diabetes in obese women.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment40 (estimated)
Ages18 Years to 45 Years
SexFemale
SponsorTufts Medical Center Academic / other
Locations1 site (Boston, Massachusetts)
Trial IDNCT06575868 on ClinicalTrials.gov

What this trial studies

This clinical trial investigates the effects of myo-inositol, an insulin-like compound, on preventing gestational diabetes in pregnant women. It is a double-blind randomized controlled trial where participants will receive either myo-inositol or a placebo. The study aims to assess whether myo-inositol can improve insulin sensitivity and glycemic profiles in obese pregnant women. Participants will be monitored throughout their pregnancy to evaluate the outcomes related to gestational diabetes.

Who should consider this trial

Good fit: Ideal candidates for this study are obese women aged 18 to 45 years with singleton pregnancies, who are receiving prenatal care at Tufts Medical Center.

Not a fit: Patients with preexisting diabetes or those taking medications that affect metabolism may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could significantly reduce the incidence of gestational diabetes among pregnant women, leading to healthier pregnancies and outcomes.

How similar studies have performed: Previous studies have shown promising results with myo-inositol in improving insulin sensitivity in pregnant women, indicating potential for success in this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

Singleton gestations

Women aged \> 18 years and \< 45 years

Recruited before 16 weeks gestation

Obese (pre-pregnancy BMI ≥ 30)

Receiving prenatal care at Tufts Medical Center

Planning to give birth at Tufts Medical Center

Can tolerate glucose tolerance test

Willing and able to wear CGM

Willing and able to sign informed consent

Exclusion Criteria:

Multiple gestation

Preexisting diabetes

Taking medications that impact body weight or metabolism (eg metformin)

Inability to tolerate glucose tolerance test

Adults unable to consent (cognitively impaired adults)

Wards of the state

Non-viable neonates

Neonates of uncertain viability

Where this trial is running

Boston, Massachusetts

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Pregnancy Related
Last reviewed 2026-06-13 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.