192
Participants
Start Date
February 22, 2016
Primary Completion Date
September 17, 2019
Study Completion Date
September 17, 2019
vitamin D3 4000 IU
The vitamin D3 will be in oral gel cap form and contain 4000 International Units (IU) of cholecalciferol per gel cap.
Placebo
The placebo is a gel cap that is indistinguishable from the vitamin D3 gel cap.
Children's Hospital of Pittsburgh of UPMC, Pittsburgh
Rainbow Babies and Children's Hospital, Cleveland
Cincinnati Children's Hospital Medical Center, Cincinnati
Saint Louis Children's Hospital, St Louis
National Jewish Health, Denver
University of California - San Francisco, San Francisco
Boston Children's Hospital, Boston
Collaborators (1)
Pharmavite LLC
INDUSTRY
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Juan Celedon, MD
OTHER