Studying insulin response in pregnant people with type 1 diabetes
Looks at insulin response in pregnant people with type 1 diabetes using device data.
Key facts
- Who runs it
- University of Virginia
- Where
- Charlottesville and Chicago, United StatesSee the 2 sites
- Trial code
- Registry title
- Estimating Insulin Sensitivity in Pregnancies With Type 1 Diabetes
- Status
- Enrolling by invitation
- People taking part
- 100 people, planned
- Started
- 1 Feb 2026
- Expected to end
- Mar 2027
- Type of study
- Observational
- Record updated
- 2 March 2026
Who can take part
AI summary
From the trial's eligibility criteria. Machine-read from the registry text on this page, so it can be wrong. The registry text below and the trial team decide who can take part.
The trial is looking for adults with type 1 diabetes who were pregnant in the last 8 years and used a Dexcom CGM and a Tandem insulin pump during that pregnancy.
- Age
- 18 years or older
- Sex
- Women only
- Disease stage
- Type 1 diabetes for at least one year at the time of the pregnancy
- Earlier treatment
- Used a Dexcom CGM system and a Tandem insulin infusion pump during the whole pregnancy
Main reasons for not taking part
- Not pregnant within the last 8 years
- Type 1 diabetes for less than one year at the time of pregnancy
- Did not use both a Dexcom CGM and a Tandem insulin pump during pregnancy
- Not willing to share device data from the pregnancy with study staff
The registry criteria, word for word
Show all 4 criteriaShow less
Who can take part
- Age >=18 years old
- Pregnant within the last 8 years
- Diagnosed with type 1 diabetes for at least one year at the time of pregnancy
- Use of a Dexcom CGM system (Dexcom, Inc., CA) and Tandem insulin infusion pump (Tandem Diabetes Care, CA) across gestation, and willing to share data from this pregnancy with study staff
Where in United States
- UVA HealthCharlottesville, United StatesEnrolling by invitation
- Northwestern Memorial HospitalChicago, United StatesEnrolling by invitation
About the trial
What the trial wants to find out
The investigators want to learn how the body's response to insulin changes during pregnancy in people with Type 1 Diabetes.
Read full original descriptionShow less
In this study, the investigators will look at information from people who used a Dexcom continuous glucose monitor (CGM) and a Tandem insulin pump while they were pregnant. Participants will fill out an online survey and agree to share their device data. The investigators will use this information to see how insulin sensitivity changes from three months before pregnancy to six months after the baby is born.
Questions to ask the study team
- How often do I need to come in, and for how long each time?
- Are travel costs paid?
- Can I keep my own doctor?
- What happens if I want to stop?
Contact the study team: see the registry record → Contacts and Locations
Print a page for my doctorData and sources
- Registry record
- Listed on ClinicalTrials.gov.
- Official title
- Estimating Insulin Sensitivity Fluctuations Across Pregnancies With Type 1 Diabetes
- Plain-language title
- Studying insulin response in pregnant people with type 1 diabetesGenerated from the registry record. The registry title is the official one.
- AI summary
- From the trial's eligibility criteria. Read by machine on 12 November 2026.
- Record updated
- 2 March 2026