95
Participants
Start Date
November 1, 2018
Primary Completion Date
October 2, 2019
Study Completion Date
February 21, 2020
540,000 IU vitamin D3
This intervention was administered as part of VIOLET parent study. A single dose of 540,000 IU vitamin D3 was administered within 2 hours of randomization time.
Placebo
Placebo that matched the vitamin D3 color was provided.
Montefiore Medical Center, New York
Vanderbilt University Medical Center, Nashville
University of Colorado Hospital, Aurora
Intermountain Medical Center, Murray
Oregon Health and Science University Hospital, Portland
Brigham and Women's Hospital, Boston
Beth Israel Deaconess Medical Center, Boston
Collaborators (1)
Beth Israel Deaconess Medical Center
OTHER
Brigham and Women's Hospital
OTHER
University of Colorado, Denver
OTHER
Montefiore Medical Center
OTHER
Intermountain Medical Center
OTHER
Oregon Health and Science University
OTHER
Vanderbilt University Medical Center
OTHER