Mobile app for managing gestational diabetes in pregnant women

The Study of Recommendation System DiaCompanion With Personalized Dietary Recommendations for Women With Gestational Diabetes Mellitus (DiaCompanion I)

NA · Federal State Budgetary Institution, V. A. Almazov Federal North-West Medical Research Centre, of the Ministry of Health · NCT05179798

This study tests if a mobile app that gives personalized diet and lifestyle tips can help pregnant women with gestational diabetes manage their condition better than standard care alone.

Quick facts

PhaseNA
Study typeInterventional
Enrollment216 (estimated)
Ages18 Years to 45 Years
SexFemale
SponsorFederal State Budgetary Institution, V. A. Almazov Federal North-West Medical Research Centre, of the Ministry of Health (other)
Locations1 site (Saint Petersburg)
Trial IDNCT05179798 on ClinicalTrials.gov

What this trial studies

This randomized controlled trial evaluates the effectiveness of DiaCompanion, a mobile-based recommendation system, in managing gestational diabetes mellitus (GDM) among women. Participants are divided into two groups: one using the app for personalized dietary and lifestyle recommendations based on their glucose levels, and the other receiving standard care without the app. The study collects data on glycemic levels and dietary intake to assess the impact of the app on maternal and fetal outcomes. Additionally, biological samples will be collected for future research on GDM.

Who should consider this trial

Good fit: Ideal candidates are women aged over 18, diagnosed with GDM, and between 12 to 32 weeks of gestation.

Not a fit: Patients with preexisting diabetes, those requiring insulin therapy, or with certain medical conditions may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could significantly improve glycemic control and pregnancy outcomes for women with gestational diabetes.

How similar studies have performed: Other studies have shown promise in using mobile health applications for diabetes management, suggesting potential success for this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Women diagnosed with GDM according to IADPSG (International Association of the Diabetes and Pregnancy Study Groups) criteria, i.e. fasting plasma glucose between 5.1 mmol/L and 6.9 mmol/L after the 6th week of gestation and/or 1-hour plasma glucose value after 75 g oral glucose tolerance test (OGTT) ≥ 10.0 mmol/L and/or 2-hour plasma glucose value between 8.5 mmol/L and 11.0 mmol/L at the 24-31st week of gestation
* Age \>18 years
* Gestational age \>= 12 and \< 32 weeks
* No more than 4 weeks after confirmation of GDM diagnosis
* Singleton pregnancy
* The ability to navigate an app
* Provided informed consent

Exclusion Criteria:

* Preexisting diabetes of any type before the current pregnancy
* Need for insulin therapy at the time of screening
* Heart failure
* Chronic kidney disease
* History of bariatric surgery
* Use of long-term systemic corticosteroids
* Impaired mobility
* Known fetal malformations
* Concomitant participation in other clinical trials

Where this trial is running

Saint Petersburg

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.

View on ClinicalTrials.gov →

Conditions: Gestational Diabetes Mellitus, gestational diabetes mellitus, glycemic targets, mHealth, personalized medicine, recommendation system, personalized nutrition, postprandial glycemic response

Last reviewed 2026-05-15 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.