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NCT00570063 · ClinicalTrials.gov registry record · Phase 2

Double Blind, Randomized, 3 Week Inpatient Study To Evaluate The Safety & Efficacy Of PF-02545920 Compared With Placebo

A Phase 2 study, sponsored by Pfizer.

Terminated
Registry status
Phase 2
Development phase
35
Enrollment target

NCT00570063: Clinical Trial Phase 2 study, sponsored by Pfizer.

NCT00570063 is a Phase 2 study that was terminated before completion, run by Pfizer. The registered enrollment target is 35 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (74% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00570063, a Phase 2 study, was terminated before completion, sponsored by Pfizer.

TERMINATED
Registry status
Phase 2
Development phase
35 participants
Enrollment target

Study Summary

To assess the efficacy and safety of an investigational compound PF-02545920 for the treatment of schizophrenia. PF-02545920 will be more effective than placebo in reducing symptoms associated with schizophrenia.

Primary Outcome

PANSS is a clinician-rated instrument for assessing the positive symptoms, negative symptoms, and general psychopathology specifically associated with schizophrenia. The scale consists of 30 items. Each item is rated on a scale from 1 (symptom not present) to 7 (symptoms extremely severe). PANSS total score is the sum of the 30 items and ranges from 30 to 210; where higher score indicates greater severity of symptoms.

Interventions

  • DRUG Placebo
  • DRUG PF-02545920

Trial Details

FieldValue
Enrollment Target 35 participants
Start Date 2007-11
Est. Completion 2008-02-18
Phase Phase 2
Pfizer

1,845 total trials

Why NCT00570063 stopped before completion

NCT00570063 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 35 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (74% lower).

The record links to 0 conditions, and to 2 interventions - of which Placebo is the first listed.

NCT00570063 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00570063 about?

NCT00570063 is a clinical study titled "Double Blind, Randomized, 3 Week Inpatient Study To Evaluate The Safety & Efficacy Of PF-02545920 Compared With Placebo". To assess the efficacy and safety of an investigational compound PF-02545920 for the treatment of schizophrenia. PF-02545920 will be more effective than placebo in reducing symptoms associated with schizophrenia.

What is the current status of trial NCT00570063?

This trial is currently terminated. It is a Phase 2 study. The enrollment target is 35 participants. The study started on 2007-11. Estimated completion is 2008-02-18.

What interventions are being tested in trial NCT00570063?

The interventions under investigation include: Placebo (DRUG), PF-02545920 (DRUG).

Who is sponsoring clinical trial NCT00570063?

This trial is sponsored by Pfizer, which has 1,845 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00570063's enrollment target sits among peer trials

35 1524th of 2000 higher than 462 of 2,000 other Phase 2 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 2 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT00570063, the US trial registry maintained by the National Library of Medicine. NCT00570063 (small enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.