Routine vitamin D supplementation prescribed at the discretion of the medical care team
Fifteen (37.5%) and 9 (47.4%) of patients in the treatment arm and placebo arm respectively received daily vitamin D supplementation as part of routine care at the discretion of the medical care team during the first 7 days following study drug admnistraiton. The majority (11/15, 73%) of patients in the treatment arm received daily supplementation on all 7 days, ranging from 400–1000 IU/day. Just under half (4/9, 44%) of patients in the placebo arm received a daily dose of vitamin D supplementation on each of the seven days following study drug administration, ranging from 400–1000 IU/day.