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A randomised, placebo controlled, double blind trial of asenapine in the prevention of relapse after long term treatment of schizophrenia.

A randomised, placebo controlled, double blind trial of asenapine in the prevention of relapse after long term treatment of schizophrenia.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2004-003340-22-LV
Enrollment
447
Registered
2005-09-29
Start date
2005-09-19
Completion date
Unknown
Last updated
2012-03-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Schizophrenia

Interventions

Product Name: Asenapine maleate Product Code: Org 5222 Pharmaceutical Form: Tablet INN or Proposed INN: Asenapine maleate CAS Number: 85650-56-2 Concentration unit: mg milligram(s) Concentration type:

Sponsors

Pfizer Luxembourg SARL Latvia Branch
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. at least 18 years of age, 2. signed informed consent, 3. a male, or a woman who is not of child-bearing potential (and breastfeeding), 4. fluent in the language of an investigator and study staff, 5. having a caregiver or an identified responsible person, 6. having access to appropriate supervision during the randomized treatment period, 7. primary diagnosis of schizophreania 8. documented history of at least 1 year episode of acute schizophrenia 9. antipsychotic treatment required for at least 2 years etc. Are the trial subjects under 18? no Number of subjects for this age range: F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range F.1.3 Elderly (>=65 years) yes F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

MeasureTime frame
Main Objective: To determine the efficacy of asenapine compared to placebo with respect to the time to an impending relapse in schizophrenia subjects who received treatment with asenapine for 26 weeks.;Secondary Objective: To compare asenapine and placebo treatment for up to 1 year in schizophrenia subjects previously treated with asenapine for 26 weeks with respect to: 1. the 5 dimensions of schizophrenia 2. overall clinical impression of severity and imrpovement 3. depressive symptoms 4. suidical thinking 5. cognitive function, as assessed with a computerised cognitive battery 6. safety and tolerability;Primary end point(s):

Countries

Latvia

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026