93
Participants
Start Date
March 31, 2014
Primary Completion Date
December 31, 2018
Study Completion Date
August 31, 2025
trimethoprim-sulfamethoxazole
placebo
Ann & Robert H Lurie Children's Hospital of Chicago, Chicago
The Hospital for Sick Children, Toronto
The Hospital for Sick Children
OTHER
Ann & Robert H Lurie Children's Hospital of Chicago
OTHER