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Taking people in United StatesEarly phase 1

Metformin for the Treatment of Microvascular Dysfunction After Gestational Diabetes

Key facts

Who runs it
Anna Stanhewicz, PhD
Where
Iowa City, United StatesSee the site
Trial code
Status
Recruiting
Phase
Early phase 1
People taking part
30 people, planned
Started
11 Sept 2024
Expected to end
30 Jun 2028
Type of study
Interventional, 2 groupsOne group gets an existing treatment, for comparison.
Treatments tested
  • Metformin Hydrochloride
  • placebo
Record updated
28 October 2026

Who can take part

Age
18 years to 45 years
Sex
Women only
Healthy volunteers
Can take part

The registry criteria, word for word

Show all 8 criteriaShow less

Who can take part

  • ≥12 weeks and ≤5 years postpartum
  • history of GDM or healthy pregnancy

Who cannot take part

  • cardiovascular or metabolic medication
  • cardiovascular or metabolic disease
  • history of hypertension during pregnancy
  • prediabetes or diabetes (HbA1c ≥5.7%)
  • current tobacco use
  • current pregnancy

Check if you might fit

Answer for yourself. This is not a decision: only the study team can say whether you can take part.

  • Are you between 18 and 45 years old?

Where in United States

  • University of IowaIowa City, United StatesContact: Anna Stanhewicz, PhDTaking people

About the trial

What the trial wants to find out

The purpose of this investigation is to examine the mechanisms mediating vascular dysfunction in women who have had gestational diabetes and how metformin may be a valuable treatment tool to improve microvascular function in these women before the onset of disease.

The 2 groups in the trial

  • metforminExisting treatment, for comparison

    Treatment: Metformin Hydrochloride

  • placeboPlacebo, for comparison

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?

Contact the study team: see the registry record → Contacts and Locations

Print a page for my doctor

Data and sources

Registry record
Listed on ClinicalTrials.gov.
Fit questions
Built from NCT05917587, who can take part
Record updated
28 October 2026