125
Participants
Start Date
January 31, 2007
Primary Completion Date
December 31, 2012
Study Completion Date
December 31, 2012
Botulinum toxin A injection
10 units per kilo to maximum of 400 units
saline injection
10 units per kilo to maximum of 400 units
Shriners Hospital for Children, Philadelphia
Alfred I.duPont Hospital for Children, Wilmington
Shriners Hospital for Children, Honolulu
Shriners Hospital for Children, Portland
The Hospital for Sick Children, Toronto
Shriners Hospital for Children, Montreal
Shriners Hospitals for Children
OTHER