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Clinical Trials/NCT00567203
NCT00567203
Completed
Phase 1

A Phase 1B Inpatient, Randomized, Double-Blind, Placebo-Controlled, Crossover Study Of The Safety And Efficacy Of Two Fixed Doses Of PF-3463275 In Adjunctive Treatment Of Cognitive Deficits In Schizophrenia

Pfizer1 site in 1 country36 target enrollmentNovember 2007

Overview

Phase
Phase 1
Intervention
PF-3463275
Conditions
Schizophrenia
Sponsor
Pfizer
Enrollment
36
Locations
1
Primary Endpoint
Change from baseline in the CNS Vital Signs Cognition Battery composite score
Status
Completed
Last Updated
17 years ago

Overview

Brief Summary

The objective of this study is to evaluate the safety, tolerability, and efficacy of two dose regimens of PF-3463275 compared with placebo added to ongoing atypical antipsychotic therapy for cognitive deficits in subjects with chronic symptoms of schizophrenia.

Registry
clinicaltrials.gov
Start Date
November 2007
End Date
May 2008
Last Updated
17 years ago
Study Type
Interventional
Study Design
Crossover
Sex
All

Investigators

Sponsor
Pfizer

Eligibility Criteria

Inclusion Criteria

  • Diagnosis of schizophrenia
  • In stable treatment with risperidone, olanzapine, quetiapine, ziprasidone, aripiprazole, or paliperidone for at least 2 months
  • Stable symptoms of schizophrenia for at least 3 months.

Exclusion Criteria

  • Subjects with a psychiatric disorder other than schizophrenia
  • Substance dependence or abuse
  • Women who have child bearing potential.

Arms & Interventions

1

Intervention: PF-3463275

2

Intervention: PF-3463275

3

Intervention: Placebo

Outcomes

Primary Outcomes

Change from baseline in the CNS Vital Signs Cognition Battery composite score

Time Frame: 6 days

Safety Endpoints: tolerability, laboratory tests, vital signs, and ECG's.

Time Frame: 38 days

Pharmacokinetics of PF-3463275

Time Frame: 6 days

Secondary Outcomes

  • Positive and Negative Syndrome Scale (PANSS)(6 days)
  • Change from baseline in the CNS Vital Signs Cognition Battery domain scores(6 days)

Study Sites (1)

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