214
Participants
Start Date
October 31, 2012
Primary Completion Date
June 30, 2016
Study Completion Date
June 30, 2016
Vitamin D3 50,000 IU
Group A: Vitamin D3 50,000 IU orally every four weeks by DOT
Vitamin D3 placebo
Group B: Vitamin D3 placebo orally every four weeks by DOT
Montefiore Medical Center, The Bronx
Children's Hospital of Philadelphia, Philadelphia
Childrens National Medical Center, Washington D.C.
Johns Hopkins University - NICHD Westat Site, Baltimore
Johns Hopkins University, Baltimore
University of Miami School of Medicine, Miami
Children's Diagnostic and Treatment Center - NICHD Westat Site, Fort Lauderdale
University of South Florida, Tampa
St. Jude Childrens Research Hospital, Memphis
Wayne State University, Detroit
Stroger Hospital and the CORE Center, Chicago
Tulane Medical Center, New Orleans
Baylor College of Medicine, Houston
Children's Hopsital of Los Angeles, Los Angeles
University of Southern California - NICHD Westat Site, Los Angeles
Fenway Institute, Boston
San Juan City Hospital (Puerto Rico) - NICHD Westat Site, San Juan
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
National Institute on Drug Abuse (NIDA)
NIH
National Institute of Mental Health (NIMH)
NIH
University of North Carolina, Chapel Hill
OTHER