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Late Versus Early Management of Gestational Diabetes Mellitus: a Randomized Multicenter Trial Comparing Intensive Metabolic Treatment Starting Before 20 Weeks to Usual Care at 24-28 Weeks
Led by University Hospital, Lille · Updated on 2026-06-02
2010
Participants Needed
10
Research Sites
19 weeks
Total Duration
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AI-Summary
What this Trial Is About
Researchers are investigating the timing of diagnosis and management of Gestational Diabetes Mellitus (GDM) in pregnant women, focusing on whether early intensive treatment starting before 20 weeks of pregnancy is better than the usual approach of waiting until 24 to 28 weeks. The study addresses concerns that early fasting plasma glucose testing may not accurately predict later GDM and examines if early intervention improves outcomes for mothers and babies. This is a randomized trial comparing two management strategies for early GDM, a condition characterized by high blood sugar during pregnancy. The trial compares two groups of pregnant women diagnosed with early GDM. One group receives intensive metabolic treatment immediately after diagnosis, including diet, physical activity, blood glucose monitoring, and possibly insulin therapy following French guidelines. The other group follows the standard approach with no intervention until GDM screening at 24 to 28 weeks, after which treatment begins if needed. The study continues treatment until delivery. Participants will be monitored throughout pregnancy with various metabolic tests, including fasting plasma glucose, HbA1c, and oral glucose tolerance tests. Researchers will track the frequency of maternal and fetal complications at delivery and assess insulin use, metabolic parameters, and neonatal outcomes up to six weeks postpartum. Additional analyses include studying microbiota and breast milk composition. The total participation period spans from early pregnancy until six weeks after delivery, with detailed data collected at multiple time points.
CONDITIONS
Brief Title
Early Gestational Diabetes Mellitus
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Pregnant woman
- Singleton pregnancy
- Early gestational diabetes defined by fasting plasma glucose between 5.1 mmol/l and 6.1 mmol/l with at least one risk factor (age 35 years or older and/or BMI 25 kg/m2 or higher and/or family history of diabetes and/or personal history of gestational diabetes and/or personal history of macrosomia)
- First prenatal visit before 20 weeks of gestation at the time of randomization
- Signed informed consent
You will not qualify if you...
- Pre-existing diabetes in pregnancy
- Diabetic follow-up started at time of inclusion
- Renal impairment
- Hepatic insufficiency
- History of bariatric surgery
- Long-term corticosteroid treatment
- Insufficient understanding
- Language difficulties
- Lack of social insurance
- Person in emergency situation
- Person under the protection of justice (tutelage or curatorship)
- Persons deprived of their liberty
AI-Screening
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Your Study Journey
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 visit (in-person)
Duration - From before 20 weeks until delivery
Participants receive either early intensive metabolic treatment starting before 20 weeks or usual care with screening at 24-28 weeks followed by intensive treatment if diagnosed with gestational diabetes mellitus (GDM).
Visits approximately every 10 days until delivery
Duration - 6 weeks after delivery
Participants have assessments of maternal and neonatal health including metabolic parameters and microbiota composition at 6 weeks after delivery.
1 visit (in-person) at 6 weeks postpartum
Trial Site Locations
Total: 10 locations
1
CH ARRAS
Arras, France
Actively Recruiting
2
Hopital Estaing - Chu63 - Clermont Ferrand
Clermont-Ferrand, France
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3
Hop Claude Huriez Chu Lille
Lille, France, 59037
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4
Hopital Saint Vincent - Saint Antoine - Lille
Lille, France, 59037
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5
Chu Nimes Caremeau - Nimes 9
Nîmes, France
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6
Hopital Haut-Leveque - Chu - Pessac
Pessac, France, 33604
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7
Ch Rene Dubos - Pontoise
Pontoise, France
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8
Chu Site Sud (Saint Pierre) - St Pierre
Saint-Pierre, France
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9
Csapa / Hus / Hopital Civil - Strasbourg
Strasbourg, France, 67091
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10
Hopital de Rangueil Chu Toulouse
Toulouse, France, 31300
Actively Recruiting
Research Team
A
Anne VAMBERGUE, MD,PhD
How is the study designed?
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
RANDOMIZED
Model
PARALLEL
Primary Purpose
OTHER
Number of Arms
2
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