trial

Risperidone Treatment in Schizophrenia Patients Who Are Currently Taking Clozapine

NCTId NCT00056498
as of 2026-07-01
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at a glance
Phase 4 · Completed
Enrollment 65 (actual)
Sponsored by University of Maryland, Baltimore County
Primary completion 2007-12
Synthesized from structured facts only — each point cited above.

Design & status

Phase
Phase 4
Status
Completed
Enrollment
65 (actual)
Study type
Interventional
Allocation
Randomized
Model
Parallel
Masking
Quadruple
Start
2001-12
Primary completion
2007-12
Eligibility
ALL · 18 Years · 65 Years

Interventions & indications

Drugs
Risperidone

Sponsors

University of Maryland, Baltimore CountyLead Sponsor
National Institute of Mental Health (NIMH)Collaborator
Ortho-McNeil Janssen Scientific Affairs, LLCCollaborator

Investigators

1
Robert W Buchanan, MDPrincipal Investigator

Sites

1 total
Catonsville, United States

Facts & assertions

4 sourced
Enrollment
65
Phase
PHASE4
Primary Completion Date
2007-12
Status
COMPLETED
relationships
The graph out of here
drug
Risperidone
drug
lead_sponsor
University of Maryland, Baltimore County
company
collaborator
National Institute of Mental Health (NIMH)
company
Ortho-McNeil Janssen Scientific Affairs, LLC
company
indication
Schizophrenia
indication
Schizophrenia
indication
investigator
Robert W Buchanan, MD
person