Study Stopped
Sponsor Decision- Financial Considerations
Olanzapine Given in Combination With Zonisamide SR to Prevent Weight Gain in Schizophrenic Subjects
A Proof of Concept, Multi-Center, Randomized, Double-Blind, Parallel, Placebo-Controlled, Study of Zonisamide Sustained Release (SR) 360 mg Versus Placebo in the Prevention of Weight Gain Associated With Olanzapine Therapy for Psychosis
1 other identifier
interventional
26
1 country
9
Brief Summary
The purpose of this study is to determine if zonisamide SR will prevent weight gain in schizophrenic subjects who take olanzapine (Zyprexa)
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_2 schizophrenia
Started Sep 2008
Shorter than P25 for phase_2 schizophrenia
9 active sites
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
First Submitted
Initial submission to the registry
August 12, 2008
CompletedFirst Posted
Study publicly available on registry
August 14, 2008
CompletedStudy Start
First participant enrolled
September 1, 2008
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2008
CompletedStudy Completion
Last participant's last visit for all outcomes
December 1, 2008
CompletedNovember 29, 2012
November 1, 2012
3 months
August 12, 2008
November 27, 2012
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Percentage change in total body weight
Baseline to Week 16
Study Arms (2)
1
ACTIVE COMPARATORZonisamide SR 360 mg and olanzapine 10-20 mg daily
2
PLACEBO COMPARATORPlacebo and olanzapine 10-20 mg daily
Interventions
zonisamide SR 90 mg given twice daily and olanzapine 10 mg to 20 mg daily for 10 weeks (maintenance period)
Placebo given twice daily and olanzapine 10-20 mg for 10 weeks (maintenance period)
Eligibility Criteria
You may qualify if:
- Male or female subjects,18-55 years of age
- Outpatients diagnosed with schizophrenia, schizoaffective disorder, or schizophreniform disorder
- Body mass index (BMI) between 22-35 kg/m2 (inclusive)
- Negative serum pregnancy test in women of child-bearing potential
- If women of child-bearing potential, must be non-lactating and agree to use an acceptable form of contraception, which in all cases, includes one type of barrier method, throughout the study period and for 30 days after discontinuation of study drug
- Subject requires a change in antipsychotic treatment and olanzapine is deemed by the Investigator to be a reasonable antipsychotic treatment choice
- No clinically significant abnormality on ECG
- No clinically significant laboratory abnormality
- Negative urine drug screen
- Must be considered reliable and possess a level of understanding that enables the subject to provide written informed consent and to comply with protocol procedures and schedule
- Must be able to read and understand English
You may not qualify if:
- Diagnosis of substance dependence within the 6 months prior to randomization
- diagnosis of substance abuse (except for nicotine and caffeine) within the 3 months prior to randomization
- Suicidal behavior or ideation within 3 months prior to randomization, or any current suicidal ideation or intent
- Presence of dementia or other organic brain syndrome
- Serious or unstable medical illnesses
- Known, uncorrected narrow-angle glaucoma
- Diagnosis of eating disorder as defined by DSM-IV within 6 months prior to randomization
- Require treatment with any typical or atypical antipsychotic in addition to olanzapine
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (9)
Synergy Research
National City, California, 91950, United States
UCI Medical Center
Orange, California, 92868, United States
CNRI San Diego
San Diego, California, 92126, United States
Florida Clincal Research Center
Bradenton, Florida, 34208, United States
Florida Clinical Research Center
Maitland, Florida, 34208, United States
Atlanta Center for Medical Research
Atlanta, Georgia, 30308, United States
American Medical Research
Oak Brook, Illinois, 60523, United States
Larue D. Carter Hospital
Indianapolis, Indiana, 46222, United States
Brooklyn Medical Institute
Brooklyn, New York, 11223, United States
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Alan Breier, MD
Larue D. Carter Hospital
- PRINCIPAL INVESTIGATOR
Mohammed Alam, MD
American Medical Research
- PRINCIPAL INVESTIGATOR
Gerald Maguire, MD
UCI Medical Center
- PRINCIPAL INVESTIGATOR
Zinoviy Benzar, MD
Brooklyn Medical Institute
- PRINCIPAL INVESTIGATOR
Mohammed Bari, MD
Synergy Research
- PRINCIPAL INVESTIGATOR
Tran Johnson, MD
CNRI
- PRINCIPAL INVESTIGATOR
Eduard Gfeller, MD
Florida Clinical Research Center, Maitland Florida
- PRINCIPAL INVESTIGATOR
Andrew Cutler, MD
Florida Clinical Research Center, Bradenton Florida
- PRINCIPAL INVESTIGATOR
Robert Riesenberg, MD
Atlanta Center for Medical Research
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
August 12, 2008
First Posted
August 14, 2008
Study Start
September 1, 2008
Primary Completion
December 1, 2008
Study Completion
December 1, 2008
Last Updated
November 29, 2012
Record last verified: 2012-11