Investigating oxidative stress and blood vessel function in women with a history of gestational diabetes

Role of Oxidative Stress in Microvascular Dysfunction Following Gestational Diabetes

Early Phase 1 Interventional University of Iowa · NCT05946785

This study is trying to see how oxidative stress affects blood vessel function in women who had gestational diabetes in the past five years.

Quick facts

PhaseEarly Phase 1
Study typeInterventional
Enrollment28 (estimated)
Ages18 Years to 50 Years
SexFemale
SponsorUniversity of Iowa Academic / other
Locations1 site (Iowa City, Iowa)
Trial IDNCT05946785 on ClinicalTrials.gov

What this trial studies

This investigation aims to explore how oxidative stress contributes to microvascular dysfunction in women who have experienced gestational diabetes mellitus (GDM). The study focuses on women aged 18-50 who had GDM within the last five years, using a minimally invasive technique to assess blood vessel function in the skin. By measuring the response of blood vessels to specific agents, the researchers hope to uncover the mechanisms behind persistent vascular dysfunction following GDM. The findings could provide insights into cardiovascular disease risk in this population.

Who should consider this trial

Good fit: Ideal candidates are women aged 18-50 with a history of gestational diabetes diagnosed within the last five years.

Not a fit: Patients with current pregnancy, significant skin diseases, or metabolic disorders may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved understanding and management of cardiovascular disease risk in women with a history of gestational diabetes.

How similar studies have performed: While the association between gestational diabetes and cardiovascular risk is established, this specific investigation into oxidative stress and microvascular function is novel.

Eligibility criteria

Show full inclusion / exclusion criteria
INCLUSION CRITERIA:

* female sex
* 18 -50 years old
* pregnancy history within 5 years of the study visit
* had gestational diabetes diagnosed by their obstetrician and confirmed according to the American College of Obstetricians and Gynecologists criteria for gestational diabetes
* or without a history of gestational diabetes

EXCLUSION CRITERIA:

* skin diseases
* current tobacco/e-cigarette use
* diagnosed or suspected hepatic or metabolic disease including diabetes
* statin or other cholesterol-lowering medication
* current antihypertensive medication
* history of preeclampsia or gestational hypertension
* current pregnancy
* body mass index \<18.5 kg/m2
* allergy to materials used during the experiment.(e.g. latex), known allergies to study drugs.

Where this trial is running

Iowa City, Iowa

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 Gestational DiabetesVascular Endothelial Functiongestational diabetespostpartumvascular
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.