Impact of Omega-3 Supplementation on Maternal Obesity and Offspring Health

The Developmental Origins of Obesity: Effect of Maternal Supplementation With Polyunsaturated Fatty Acids and Insights Into Adipose and Immune Progenitor Cells

Not applicable Interventional Pontificia Universidad Catolica de Chile · NCT06981676

This study is testing if taking omega-3 supplements during pregnancy can improve the health of babies born to mothers who are obese before getting pregnant.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment160 (estimated)
Ages18 Years and up
SexFemale
SponsorPontificia Universidad Catolica de Chile Academic / other
Locations1 site (Santiago, Santiago Metropolitan)
Trial IDNCT06981676 on ClinicalTrials.gov

What this trial studies

This study investigates the effects of long-chain polyunsaturated fatty acids (LCPUFAs) supplementation during pregnancy on the health outcomes of offspring born to mothers with pregestational obesity. It aims to evaluate whether such supplementation can influence molecular markers related to adipose and immune progenitor cells in newborns, potentially affecting their risk of obesity and inflammation. The study will include women with varying body mass indices and will assess the correlation between maternal obesity, supplementation, and offspring health markers at birth.

Who should consider this trial

Good fit: Ideal candidates for this study are pregnant women with a pregestational BMI of 30 or higher, who are less than 14 weeks gestation and plan to deliver at the participating hospital.

Not a fit: Patients with preexisting diabetes, gestational diabetes, or other high-risk pregnancy conditions may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved health outcomes for children born to obese mothers by mitigating the risks associated with maternal obesity.

How similar studies have performed: Previous studies have shown promising results regarding the impact of maternal nutrition on offspring health, suggesting that this approach may yield beneficial outcomes.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* First prenatal visit \<14 weeks gestation
* Pregestational BMI between 18.5 and 24.9 for the NW groups and BMI \>30 for the PGO groups,
* To have singleton pregnancy,
* ≥18 years of age and plan to deliver at the Hospital Clínico UC- Christus

Exclusion Criteria:

* Preexisting diabetes
* GDM
* Preeclampsia,
* Multiple gestations
* Chronic cardio-respiratory disorder or neurological o genetic defects of the fetus
* History of an eating disorder, food allergy,
* Any high-risk pregnancy condition (MINSAL 2015)

Where this trial is running

Santiago, Santiago Metropolitan

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.
Conditions Maternal ObesityObesityPregestational ObesityOmega 3PUFAsLCPUFAs
Last reviewed 2026-06-10 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.