No more finger pricks? new study tests wearable sensor for pregnancy diabetes
NCT ID NCT07558291
First seen Jun 27, 2026 · Last updated Sep 18, 2026 · Updated 1 time
Summary
This study tests whether a continuous glucose monitor (CGM) is better than standard finger-prick tests for managing blood sugar in 100 pregnant women with gestational diabetes. Participants will either wear a small sensor or continue finger-pricking. The goal is to see if CGM is practical, improves blood sugar control, and leads to healthier outcomes for mothers and babies.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 100 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Oct 2026
An estimate. Start dates often move.
- Expected to finish
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May 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Female participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Pregnant women aged ≥18 years * Singleton pregnancy * Diagnosis of gestational diabetes mellitus (GDM) according to local two-step protocol (abnormal 50 g glucose challenge test followed by abnormal 100 g oral glucose tolerance test with at least 2 abnormal values) * Gestational age between 24 and 28 weeks at time of GDM diagnosis * Access to a compatible smartphone or digital device with internet connection to allow synchronization and remote upload of glucose data (CGM or SMBG) * Ability and willingness to provide written informed consent Exclusion Criteria: * Preexisting type 1 or type 2 diabetes mellitus * History of bariatric surgery * Treatment with metformin during pregnancy * Chronic systemic corticosteroid therapy * Known contraindications to use of a CGM sensor (e.g., severe dermatologic conditions at insertion site) * Inability to comply with study procedures or follow-up
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Hospital Clínic de Barcelona
Barcelona, Barcelona, 08028, Spain
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Other studies related to the condition(s) this trial covers.
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