NCT00148564

Brief Summary

The purpose of this study is to evaluate the effects of different atypical antipsychotics on weight changes, energy homeostasis, metabolism, energy intake as well as activity. Patients with schizophrenia or schizoaffective disorders will be randomly assigned to be treated with ziprasidone or olanzapine for 24 weeks. Primary outcome parameter are the weight changes after 24 weeks.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
40

participants targeted

Target at P25-P50 for phase_4 schizophrenia

Timeline
Completed

Started Mar 2004

Typical duration for phase_4 schizophrenia

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

March 1, 2004

Completed
1.5 years until next milestone

First Submitted

Initial submission to the registry

September 7, 2005

Completed
1 day until next milestone

First Posted

Study publicly available on registry

September 8, 2005

Completed
1.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2007

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2007

Completed
Last Updated

September 29, 2008

Status Verified

September 1, 2008

Enrollment Period

3 years

First QC Date

September 7, 2005

Last Update Submit

September 26, 2008

Conditions

Keywords

weight gainschizophreniaatypical antipsychotics

Outcome Measures

Primary Outcomes (1)

  • Primary outcome parameter are the weight changes after 24 weeks between olanzapine and ziprasidone treatment

    during treatment

Secondary Outcomes (1)

  • Changes in energy homeostasis, food intake, metabolism

    during and after treatment

Study Arms (2)

Olanzapine

ACTIVE COMPARATOR
Drug: olanzapine

Zpirasidone

ACTIVE COMPARATOR
Drug: Ziprasidone

Interventions

treatment with either Olanzapine or Ziprasidone

Also known as: Zyprexa
Olanzapine

treatment with either Olanzapine or Ziprasidone

Also known as: Zeldox
Zpirasidone

Eligibility Criteria

Age18 Years - 60 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Diagnosis of schizophrenia or related disorders(DSM-IV)
  • Indication for long-term treatment with antipsychotics
  • BMI between 20 to 30
  • Informed consent

You may not qualify if:

  • Psychiatric comorbidity
  • Depot antipsychotic in the last 2 months
  • Antipsychotics in the last 2 weeks
  • Treatment with olanzapine, clozapine or ziprasidone in teh last 3 months
  • Treatment with drugs, that may lead to weight changes
  • Significant endocrine, neurological, cardiovascular, hepatic, renal, metabolic, or other medical diseases or any clinically relevant abnormalities in laboratory tests
  • Female subjects during pregnancy and breastfeeding
  • Female subjects within childbearing years who were not using adequate birth control
  • Patients who are judged by the investigator to be at serious suicide risk

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Charité Universitaetsmedizin Berlin; Campus Charité Mitte; Dept. for Psychiatry and Psychotherapy

Berlin, 10117, Germany

Location

MeSH Terms

Conditions

SchizophreniaWeight Gain

Interventions

Olanzapineziprasidone

Condition Hierarchy (Ancestors)

Schizophrenia Spectrum and Other Psychotic DisordersMental DisordersBody Weight ChangesBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

BenzodiazepinesBenzazepinesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingHeterocyclic Compounds

Study Officials

  • Martin Schaefer, MD

    Charite Campus Mitte; Dept. of Psychiatry and Psychotherapy and Department of Psychiatry, Kliniken Essen-Mitte

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER

Study Record Dates

First Submitted

September 7, 2005

First Posted

September 8, 2005

Study Start

March 1, 2004

Primary Completion

March 1, 2007

Study Completion

June 1, 2007

Last Updated

September 29, 2008

Record last verified: 2008-09

Locations