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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00212771
Other study ID # P05846
Secondary ID 25520
Status Completed
Phase Phase 3
First received
Last updated
Start date September 2004
Est. completion date October 2006

Study information

Verified date February 2022
Source Organon and Co
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The primary features of schizophrenia and schizoaffective disorder are positive (inability to think clearly and distinguish reality from fantasy) and negative symptoms (reduction or absence of normal behavior or emotions). Other symptoms include reduced ability to recall and learn information, difficulty in problem solving maintaining productive employment. Asenapine is an investigational drug that may help to correct the above schizophrenia by altering the inbalance of brain hormones such as dopamine serotonin. This is a long-term extension trial to further test the efficacy and safety asenapine and a comparator agent (olanzapine) in the treatment of patients with schizophrenia.


Recruitment information / eligibility

Status Completed
Enrollment 440
Est. completion date October 2006
Est. primary completion date September 2006
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Subject with schizophrenia or schizoaffective disorder. Must have completed 12 months treatment under protocol 25517. Subject must sign a written informed consent. Exclusion Criteria: - Have an uncontrolled, unstable, clinically significant medical condition.

Study Design


Intervention

Drug:
asenapine
Flexible dose, 1-2 tablets sublingual two times per day (1 or 2 tablets in the morning and 1 or 2 tablets in the evening). Each tablet contains either 5 mg asenapine or matching placebo.
olanzapine
Flexible dose, 1-2 capsules oral once per day (in the morning). Each capsule contains 10 mg olanzapine or matching placebo.

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
Organon and Co

References & Publications (1)

Schoemaker J, Stet L, Vrijland P, Naber D, Panagides J, Emsley R. Long-term efficacy and safety of asenapine or olanzapine in patients with schizophrenia or schizoaffective disorder: an extension study. Pharmacopsychiatry. 2012 Jul;45(5):196-203. doi: 10. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Change in total PANSS score at endpoint Screening, Week 76, 100, and once every 24 weeks thereafter until endpoint
Secondary Changes in PANSS subscale scores and Marder factor scores Every 24 weeks after baseline
Secondary Changes in CGI-S Every 12 weeks after baseline
Secondary Patient functionality and subjective well-being (as measured by LOF, SF-12 and SWN) Every 48 weeks after baseline
Secondary Severity of depressed mood (as measured by the Calgary Depression Scale for Schizophrenia) Every 24 weeks after baseline
Secondary Resource utilization (as measured by frequency and length of hospital stay) During the entire study period
Secondary Safety and tolerability: EPS (AIMS, BARS, SARS) Every 24 weeks after baseline
Secondary Adverse Events Continuously and up to 7 days after endpoint
Secondary Pregnancy Test At endpoint
Secondary Blood Tests Every 12 weeks after baseline
Secondary Weight and vital signs Every 4 weeks after baseline
Secondary ECGs Every 24 weeks after baseline
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