Clinical trial Recruiting at 10 sites Interventional Ages 18 and up Women only

Early gestational diabetes management strategy compared to late management

Official title: Late Versus Early Management of Gestational Diabetes Mellitus: a Non Inferiority Randomized Multicenter Trial

Run by University Hospital, Lille · NCT04451915 · Data updated 2026-11-12

This trial tests whether starting diabetes management earlier in pregnancy (when fasting glucose is 5.1–6.1 mmol/L) improves outcomes for women with early gestational diabetes.

Quick facts

Study typeInterventional
Ages18 Years and up
SexWomen only
Enrollment2010 (estimated)
SponsorUniversity Hospital, Lille
Academic / other
Locations10 sites (Arras and 9 other locations)
StatusRecruiting
StartedNovember 30, 2020
Main results expectedFebruary 15, 2027
Study endsJune 30, 2027
Registry record updatedJune 2, 2026
Trial IDNCT04451915 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Women with singleton pregnancy, early GDM defined by FPG 5.1–6.1 mmol/L, plus at least one risk factor, and a first prenatal visit before 20 weeks.

Probably not a fit

Patients without early GDM or without consent or with exclusions may not experience benefit.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This interventional study investigates management strategies for early gestational diabetes diagnosed by first-trimester fasting glucose. Eligible participants are pregnant women with singleton pregnancies and early GDM (FPG 5.1–6.1 mmol/L) plus at least one risk factor, randomized before 20 weeks’ gestation. The trial compares an early intensive management approach to a later, standard strategy to see if earlier control of blood sugar affects pregnancy outcomes. It is conducted at multiple French sites led by University Hospital, Lille. Common exclusion criteria include pre-existing diabetes in pregnancy and significant comorbidities.

Why it matters

Potential benefit: If successful, earlier management could reduce risks associated with early GDM for both mother and baby.

How similar studies have gone: Prior evidence supports benefits of managing hyperglycemia in pregnancy, but early initiation specifically by first-trimester FPG thresholds requires confirmation.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Pregnant woman
* Singleton pregnancy
* Early GDM defined by a fasting plasma glucose between 5.1 mmol/l and 6.1 mmol/ with at least one risk factor (age ≥35 years and/or BMI ≥ 25 kg/m2 and/or familial history of diabetes and/or personal history of GDM and/or personal history of macrosomia).
* First prenatal visit prior 20 weeks of gestation at the time of randomization.
* Signed informed consent

Exclusion Criteria:

Diabetic follow-up started at time of inclusion

* Pre-existing diabetes in pregnancy
* Renal impairment
* Hepatic insufficiency
* History of bariatric surgery
* Long time corticosteroids treatment
* Insufficient understanding
* Language difficulties
* Lack of social Insurance
* Person in emergency situation
* Person under the protection of justice (tutelage/ curatorship)
* Persons deprived of their liberty

Where it's running

  • Ch Arras
    Arras, France
    Recruiting
  • Hopital Estaing - Chu63 - Clermont Ferrand
    Clermont-Ferrand, France
    Recruiting
  • Hop Claude Huriez Chu Lille
    Lille, France
    Recruiting
  • Hopital Saint Vincent - Saint Antoine - Lille
    Lille, France
    Recruiting
  • Chu Nimes Caremeau - Nimes 9
    Nîmes, France
    Recruiting
  • Hopital Haut-Leveque - Chu - Pessac
    Pessac, France
    Recruiting
Show 4 more locations
  • Ch Rene Dubos - Pontoise
    Pontoise, France
    Recruiting
  • Chu Site Sud (Saint Pierre) - St Pierre
    Saint-Pierre, France
    Recruiting
  • Csapa / Hus / Hopital Civil - Strasbourg
    Strasbourg, France
    Recruiting
  • Hopital de Rangueil Chu Toulouse
    Toulouse, France
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.