Prenatal omega‑3 (DHA) supplements to lower childhood asthma and allergies in Black families

Prenatal Fatty Acid Supplementation and Early Childhood Asthma and Atopy in Black American Families

['FUNDING_R01'] · UNIVERSITY OF CHICAGO · NIH-11247069

Giving pregnant Black women an omega‑3 (DHA) supplement to try to reduce asthma and allergic problems in their young children.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorUNIVERSITY OF CHICAGO (nih funded)
Locations1 site (CHICAGO, UNITED STATES)
Trial IDNIH-11247069 on ClinicalTrials.gov

What this research studies

From a parent's view, this work follows mothers who took a daily DHA supplement during pregnancy and tracks their children for signs of wheeze, asthma diagnoses, and allergic conditions in early childhood. Researchers compare outcomes between the mothers who received DHA and those who did not, and they look at measures of prenatal stress and early development that could explain differences. The project builds on the Nutrition and Pregnancy Study (NAPS), a double‑blind randomized setup, and includes follow‑up visits and health records to document breathing and allergy outcomes in the children. The goal is to see whether the prenatal supplement leads to fewer asthma attacks, fewer allergy diagnoses, or milder symptoms in children.

Who could benefit from this research

Good fit: The work is aimed at Black pregnant women (especially those in low‑resource urban communities) and their young children who can be followed after birth for asthma and allergy outcomes.

Not a fit: People who were not exposed to prenatal DHA, older children or adults, or those whose asthma is driven by non‑allergic causes may not see benefit from this intervention.

Why it matters

Potential benefit: If successful, taking DHA during pregnancy could lower the chance that a child develops asthma or allergic conditions in early childhood.

How similar studies have performed: Animal studies and some observational human studies suggest omega‑3s may protect against asthma, but randomized trials in humans have produced mixed or modest results so far.

Where this research is happening

CHICAGO, UNITED STATES

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.

View on NIH RePORTER →

Conditions: Allergic Disease

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.