100
Participants
Start Date
October 31, 2013
Primary Completion Date
August 31, 2016
Study Completion Date
May 31, 2017
Melatonin
Melatonin 20mg taken orally once daily. This is in the form of one capsule which contains two pills of melatonin, 10 mg each.
Vitamin D
Vitamin D 2000 IU taken orally once daily. This is in the form of one capsule which contains two pills of vitamin D, 1000 IU each.
Placebo (melatonin)
Overencapsulated placebo capsule which contains an inert substance. The capsule appears identical to the capsule which contains melatonin tablets.
Placebo (vitamin D)
Overencapsulated placebo capsule which contains an inert substance. The capsule appears identical to the capsule which contains vitamin D tablets.
St Joseph's Healthcare Hamilton, Hamilton
Juravinski Cancer Center, Hamilton
Juravinski Cancer Center
OTHER