Study Evaluating Vabicaserin in Subjects With Schizophrenia

NCT ID: NCT00563706

Last Updated: 2014-03-20

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

199 participants

Study Classification

INTERVENTIONAL

Study Start Date

2007-12-31

Study Completion Date

2008-06-30

Brief Summary

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The primary purpose of this protocol is to establish the efficacy, safety, and tolerability of vabicaserin (SCA-136) using a once a day capsule in subjects with acute exacerbations of schizophrenia.

Detailed Description

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Conditions

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Schizophrenia

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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1

Group Type EXPERIMENTAL

vabicaserin

Intervention Type DRUG

This study will utilize a randomized, double-blind, placebo-controlled, comparator-referenced, multicenter, parallel-group adaptive design with placebo, risperidone (4 mg/day), and up to 7 treatment arms of vabicaserin (50, 100, 150, 200, 300, 400 and 600 mg/day) over the course of the study

2

4mg/day

Group Type ACTIVE_COMPARATOR

risperidone

Intervention Type DRUG

3

matching placebo

Group Type PLACEBO_COMPARATOR

placebo

Intervention Type OTHER

Interventions

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vabicaserin

This study will utilize a randomized, double-blind, placebo-controlled, comparator-referenced, multicenter, parallel-group adaptive design with placebo, risperidone (4 mg/day), and up to 7 treatment arms of vabicaserin (50, 100, 150, 200, 300, 400 and 600 mg/day) over the course of the study

Intervention Type DRUG

risperidone

Intervention Type DRUG

placebo

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Generally healthy, men and women, aged 18 to 65.
* Hospitalization because of an acute exacerbation of schizophrenia with a diagnosis of schizophrenia established greater than 1 year.
* Ability to remain hospitalized for the duration of the screening period and for 4 weeks of double-blind treatment.

Exclusion Criteria

* Current Axis I primary psychiatric diagnosis other than schizophrenia (DSM-IV-TR criteria).
* Current diagnosis or history of substance abuse or dependence (DSM-IV-TR criteria), including alcohol (except for nicotine), within 3 months before baseline (day -1).
* Subjects taking high or chronic doses of benzodiazepine at the screening evaluation who, in the investigator's judgment, would be likely to have severe withdrawal symptoms upon discontinuation.
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

No

Sponsors

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Pfizer

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Pfizer CT.gov Call Center

Role: STUDY_DIRECTOR

Pfizer

Locations

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Pfizer Investigational Site

Little Rock, Arkansas, United States

Site Status

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Cerritos, California, United States

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Escondido, California, United States

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Garden Grove, California, United States

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Glendale, California, United States

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San Diego, California, United States

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San Diego, California, United States

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Torrance, California, United States

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Washington D.C., District of Columbia, United States

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Aventura, Florida, United States

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Hollywood, Florida, United States

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Kissimmee, Florida, United States

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Hoffman Estates, Illinois, United States

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Indianapolis, Indiana, United States

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Lake Charles, Louisiana, United States

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Baltimore, Maryland, United States

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Rockville, Maryland, United States

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Hamilton, New Jersey, United States

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Willingboro, New Jersey, United States

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Cedarhurst, New York, United States

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Holliswood, New York, United States

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New York, New York, United States

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Butner, North Carolina, United States

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Oklahoma City, Oklahoma, United States

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Philadelphia, Pennsylvania, United States

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Austin, Texas, United States

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Austin, Texas, United States

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Bellaire, Texas, United States

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DeSoto, Texas, United States

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Houston, Texas, United States

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Arlington, Virginia, United States

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Portsmouth, Virginia, United States

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Kingston, Ontario, Canada

Site Status

Countries

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United States Canada

Related Links

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Other Identifiers

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B1911032

Identifier Type: -

Identifier Source: secondary_id

3153A1-2203

Identifier Type: -

Identifier Source: org_study_id

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