Maintenance Treatment vs. Stepwise Drug Discontinuation in First-Episode Schizophrenia

Sponsor
Heinrich-Heine University, Duesseldorf (Other)
Overall Status
Completed
CT.gov ID
NCT00159120
Collaborator
German Federal Ministry of Education and Research (Other), German Research Network On Schizophrenia (Other), Janssen-Cilag Ltd. (Industry), University of Bonn (Other), Humboldt-Universität zu Berlin (Other), Ludwig-Maximilians - University of Munich (Other), University of Göttingen (Other), University of Cologne (Other), Mainz University (Other), University Hospital Tuebingen (Other), Universität Duisburg-Essen (Other), University of Mannheim (Other), University of Jena (Other), Martin-Luther-Universität Halle-Wittenberg (Other), RWTH Aachen University (Other), University of Wuerzburg (Other)
71
1
2
55
1.3

Study Details

Study Description

Brief Summary

After one year neuroleptic maintenance treatment in patients with first episode schizophrenia, neuroleptic treatment will be continued vs. stepwise discontinued (randomized design) over a period of 1 year. Under both conditions prodrome based early intervention take place.

Condition or Disease Intervention/Treatment Phase
  • Other: maintained antipsychotic treatment vs. stepwise drug discontinuation
Phase 4

Detailed Description

After one year neuroleptic maintenance treatment in patients with first episode schizophrenia, neuroleptic treatment will be continued vs. stepwise discontinued (randomized design) over a period of 1 year. Under both conditions pharmacologic early intervention strategies in case of early sign of relapse will be applied.

Study Design

Study Type:
Interventional
Anticipated Enrollment :
71 participants
Allocation:
Randomized
Intervention Model:
Parallel Assignment
Masking:
None (Open Label)
Primary Purpose:
Treatment
Official Title:
Maintenance Treatment vs. Stepwise Drug Discontinuation After One Year of Maintenance Treatment in First-Episode Schizophrenia
Study Start Date :
Nov 1, 2001
Actual Primary Completion Date :
Jun 1, 2006
Actual Study Completion Date :
Jun 1, 2006

Arms and Interventions

Arm Intervention/Treatment
Active Comparator: 1

further maintenance antipsychotic treatment and prodrome-based early intervention

Other: maintained antipsychotic treatment vs. stepwise drug discontinuation
maintained antipsychotic treatment (in low dose) vs. stepwise drug discontinuation; both supplemented by prodrome-based early intervention; 1 year

Experimental: 2

stepwise drug discontinuation (after 1 year maintenance antipsychotic treatment) and prodrome-based early intervention

Other: maintained antipsychotic treatment vs. stepwise drug discontinuation
maintained antipsychotic treatment (in low dose) vs. stepwise drug discontinuation; both supplemented by prodrome-based early intervention; 1 year

Outcome Measures

Primary Outcome Measures

  1. relapse rate [1 year]

Secondary Outcome Measures

  1. psychopathology [1 year]

  2. social and cognitive functioning [1 year]

  3. side-effects [1 year]

  4. drop-out [1 year]

  5. quality of life [1 year]

Eligibility Criteria

Criteria

Ages Eligible for Study:
18 Years to 55 Years
Sexes Eligible for Study:
All
Accepts Healthy Volunteers:
No
Inclusion Criteria:
  • Patients after 1 year of maintenance treatment after their first-episode in schizophrenia (according ICD-10 F20)

  • Age between 18 and 55

  • Informed consent

  • One year neuroleptic maintenance treatment

  • Reaching stable course

Exclusion Criteria:
  • Residence outside of the catchment area

  • Legal reasons

  • Insufficient knowledge of the german language

  • Substance abuse or addiction

  • Pregnancy

  • Serious physical illness

  • Organic brain disease

  • Contraindication to neuroleptic treatment

Contacts and Locations

Locations

Site City State Country Postal Code
1 German Research Network on Schizophrenia, Department of Psychiatry and Psychotherapy at the Heinrich-Heine-University Düsseldorf Düsseldorf North Rhine-Westphalia Germany 40629

Sponsors and Collaborators

  • Heinrich-Heine University, Duesseldorf
  • German Federal Ministry of Education and Research
  • German Research Network On Schizophrenia
  • Janssen-Cilag Ltd.
  • University of Bonn
  • Humboldt-Universität zu Berlin
  • Ludwig-Maximilians - University of Munich
  • University of Göttingen
  • University of Cologne
  • Mainz University
  • University Hospital Tuebingen
  • Universität Duisburg-Essen
  • University of Mannheim
  • University of Jena
  • Martin-Luther-Universität Halle-Wittenberg
  • RWTH Aachen University
  • University of Wuerzburg

Investigators

  • Study Chair: Wolfgang Gaebel, Professor, Department of Psychiatry and Psychotherapy at the Heinrich-Heine-University of Düsseldorf, Rhineland State Clinics Düsseldorf, Bergische Landstraße 2, 40629 Düsseldorf, Germany

Study Documents (Full-Text)

None provided.

More Information

Additional Information:

Publications

Responsible Party:
, ,
ClinicalTrials.gov Identifier:
NCT00159120
Other Study ID Numbers:
  • 01GI 9932 - P 2.2.2.1 / 2
First Posted:
Sep 12, 2005
Last Update Posted:
Jan 30, 2008
Last Verified:
Jan 1, 2008

Study Results

No Results Posted as of Jan 30, 2008