45
Participants
Start Date
April 30, 2006
Primary Completion Date
October 31, 2009
Study Completion Date
February 28, 2011
Zinc
25 mg of elemental zinc as zinc sulphate take once daily for 18 months
Placebo
Placebo capsule, identical to the zn capsule in size, shape and color, taken once daily for 18 months
Children's Hospital of Philadelphia, Philadelphia
University of California, San Francisco, San Francisco
Children's Hospital & Research Center, Oakland, Oakland
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Children's Hospital of Philadelphia
OTHER
University of California, San Francisco
OTHER
UCSF Benioff Children's Hospital Oakland
OTHER