100
Participants
Start Date
October 31, 2006
Primary Completion Date
June 30, 2012
Study Completion Date
December 31, 2012
Risperidone
Dosage of 0.5 mg to 4.0 mg per day as tolerated
Exposure/ritual prevention therapy (EX/RP)
EX/RP is a form of cognitive behavioral therapy. Participants assigned to EX/RP will attend therapy sessions twice per week. In EX/RP, participants will be exposed to feared objects or ideas, and will be encouraged not to carry out a compulsive response.
Placebo
Placebo capsules will be identical in appearance to those of risperidone.
New York State Psychiatric Institute, New York
University of Pennsylvania Center for the Treatment and Study of Anxiety, Philadelphia
National Institute of Mental Health (NIMH)
NIH
New York State Psychiatric Institute
OTHER