225
Participants
Start Date
September 30, 2000
Primary Completion Date
March 31, 2003
Study Completion Date
April 30, 2004
HEPA Air Cleaner
Placement of two active HEPA air cleaners in the homes of children
Placebo Filtration Unit
Placement of inactive filtration unit in the homes
National Heart, Lung, and Blood Institute (NHLBI)
NIH