80
Participants
Start Date
July 14, 2014
Primary Completion Date
April 15, 2026
Study Completion Date
June 30, 2026
Vitamin D3
Take five 10,000 IU capsules (total 50,000 IU) once daily for 7 days, followed by one 10,000 IU capsule once daily until surgery.
Placebo
Take five placebo capsules once daily for 7 days, followed by one placebo capsule once daily until surgery.
RECRUITING
Dana-Farber Cancer Institute, Boston
Collaborators (1)
National Cancer Institute (NCI)
NIH
Pharmavite LLC
INDUSTRY
Dana-Farber Cancer Institute
OTHER