Clinical trial Recruiting at 1 site Interventional Ages 18 to 45 Women only

Using myo-inositol during pregnancy to prevent gestational diabetes

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

Run by Tufts Medical Center · NCT06575868 · Data updated 2026-11-12

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

Quick facts

Study typeInterventional
Ages18 Years to 45 Years
SexWomen only
Enrollment40 (estimated)
SponsorTufts Medical Center
Academic / other
Locations1 site (Boston, Massachusetts)
StatusRecruiting
StartedMarch 1, 2025
Main results expectedDecember 31, 2026
Study endsJune 30, 2027
Registry record updatedApril 29, 2025
Trial IDNCT06575868 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a 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.

Probably not a fit

Patients with preexisting diabetes or those taking medications that affect metabolism 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 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.

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

Who can join: the full rules

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 it's running

  • Tufts Medical Center
    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.