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Terminated Phase 2 Interventional Results available

An Outpatient Study Of The Efficacy, Safety, And Tolerability Of PF-02545920 In The Adjunctive Treatment Of Sub-Optimally Controlled Symptoms of Schizophrenia

ClinicalTrials.gov ID: NCT01939548

Public ClinicalTrials.gov record NCT01939548. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 5, 2026, 3:13 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A 12-week , Randomized, Phase 2, Double-blind, Parallel-group Study Of Two Dose Levels Of Pf-02545920 Compared To Placebo In The Adjunctive Treatment Of Outpatients With Sub-optimally Controlled Symptoms Of Schizophrenia

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This study aims to evaluate whether PF-02545920 is safe and effective in the treatment of sub-optimally controlled symptoms of schizophrenia during a 12-week outpatient treatment period. The study will use the Positive and Negative Syndrome Scale (PANSS) to measure change in symptoms for PF-02545920 from baseline compared to placebo.

Study identification

NCT ID
NCT01939548
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 2
Lead sponsor
Pfizer
Industry
Enrollment
240 participants

Conditions and interventions

Conditions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years to 65 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Sep 30, 2013
Primary completion
Sep 30, 2014
Completion
Sep 30, 2014
Last update posted
Aug 21, 2016

2013 – 2014

United States locations

U.S. sites
44
U.S. states
18
U.S. cities
38
Facility City State ZIP Site status
Birmingham Psychiatry Pharmaceutical Studies, Inc. Birmingham Alabama 35226
Woodland International Research Group, INC Little Rock Arkansas 72211
Comprehensive Clinical Development, Inc. Cerritos California 90703
ProScience Research Group Culver City California 90230
Synergy Clinical Research of Escondido Escondido California 92025
Collaborative Neuroscience Network, Inc. Garden Grove California 92845
Pacific Research Partners Oakland California 94612
Excell Research, Inc. Oceanside California 92056
Neuropsychiatric Research Center of Orange County Orange California 92868
CiTrials Riverside California 92506
CNRI-San Diego, LLC San Diego California 92102
Sharp Mesa Vista Hospital San Diego California 92123
Collaborative Neuroscience Network, Inc. Torrance California 90502
Bliss Basement Pharmacy Hartford Connecticut 06102
Institute of Living Hartford Connecticut 06106
Yale University New Haven Connecticut 06519
Comprehensive Clinical Development Washington D.C. District of Columbia 20016
Florida Clinical Research Center, LLC Bradenton Florida 34208
Florida Clinical research Center, LLC Brandenton Florida 34201
Innovative Clinical Research, Inc. Lauderhill Florida 33319
Medical Research Group of Central Florida Sanford Florida 32771
Comprehensive Clinical Development, Inc. Atlanta Georgia 30328
Alexian Brothers Center for Psychiatric Research Hoffman Estates Illinois 60169
Chinmay K. Patel, DO Hoffman Estates Illinois 60169
Behavioral Health Care Associates Schaumburg Illinois 60194
Lake Charles Clinical Trials Lake Charles Louisiana 70629
Louisiana Clinical Research Shreveport Louisiana 71101
CBH Health, LLC Rockville Maryland 20850
Psychiatric Care & Research Center O'Fallon Missouri 63368
St. Louis Clinical Trials/The Summit@Creve Coeur St Louis Missouri 63141
Altea Research Las Vegas Nevada 89102
Comprehensive Clinical Development Jamaica New York 11432
Manhattan Psychiatric Center's 125th St. Clinic New York New York 10027
Manhattan Psychiatric Center Ward's Island New York 10035
Midwest Clinical Research Center, LLC Dayton Ohio 45417
Cutting Edge Research Group Oklahoma City Oklahoma 73116
Research Strategies of Memphis, LLC Memphis Tennessee 38119
FutureSearch Trials Austin Texas 78731
Community Clinical Research, Inc Austin Texas 78754
Futuresearch Trials of Dallas Dallas Texas 75231
Pillar Clinical Research LLC Dallas Texas 75243
InSite Clinical Research DeSoto Texas 75115
Psychiatric and Behaviorial Solutions Salt Lake City Utah 84105
Lifetree Clinical Research Salt Lake City Utah 84106

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01939548, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Aug 21, 2016 · Synced Sep 5, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01939548 live on ClinicalTrials.gov.

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