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Awarded Trial: 01-055

Grant ID

01-055

Illness

Schizophrenia

Primary Drug/Intervention

Risperidone

Primary Dosage

3mg

Secondary Drug Intervention

Clozapine

Secondary Dosage

at least 400mg/day

Other Drug/Intervention

N/A

Other Dosage

N/A

Status

Completed

Investigator

Honer

Sample Size

68

Duration of Study Period for Each Subject

8 weeks

Outcome Measurements

PANSS, ESRS, BAS, CGI, Cognitive Battery

Results

There was no statistically significant difference between risperidone and placebo for patients who had a poor response to clozapine alone with regard to symptom ratings. There were no differences between groups with regard to movement disorder side effects.

Publication

Honer WG, Thornton AE, Chen EY, Chan RC, Wong JO, Bergmann A, Falkai P, Pomarol-Clotet E, McKenna PJ, Stip E, Williams R, MacEwan GW, Wasan K, Procyshyn R; Clozapine and Risperidone Enhancement (CARE) Study Group. Clozapine Alone versus Clozapine and Risperidone with Refractory Schizophrenia. N Engl J Med. 2006 Feb 2;354(5):472-82.

Link

http://www.ncbi.nlm.nih.gov/pubmed/16452559

PI Name

William Honer

Degree

MD

Center

Centre for Complex Disorders, Jack Bell Chair in Schizophrenia

Institution

University of British Columbia

Address

Vancouver General Hospital Research Pavilion, #211 - 828 West 10th Ave

City or Town

Vancouver

State or Province

British Columbia

Zip or Postal Code

V5Z 1L8

Country

Canada

Email Address

honer@interchange.ubc.ca