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Randomized Trial: Maternal Vitamin D Supplementation to Prevent Childhood Asthma (VDAART)

NCT00920621 · Status: COMPLETED · Phase: PHASE3 · Type: INTERVENTIONAL · Enrollment: 876

Last updated 2026-05-12

Study results available
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Summary

Vitamin D supplementation given to pregnant women will prevent asthma in their offspring and children.

Conditions

Interventions

DIETARY_SUPPLEMENT

Vitamin D 3 cholecalciferol

Dosage form oral Dosage 4000IU Vitamin D 3 cholecalciferol

DIETARY_SUPPLEMENT

Vitamin D3

4000 IU of vitamin D3 administered orally once a day during pregnancy

Sponsors & Collaborators

  • National Heart, Lung, and Blood Institute (NHLBI)

    collaborator NIH

  • Brigham and Women's Hospital

    lead OTHER

Principal Investigators

  • Scott T Weiss · Brigham and Women's Hospital

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
39 Years
Sex
FEMALE
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2009-09-30
Primary Completion
2015-01-21
Completion
2023-08-31

Countries

  • United States

Study Locations

More Related Trials

Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT00920621 on ClinicalTrials.gov