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NCT00811499 · ClinicalTrials.gov registry record · Phase 2

A Study of ARRY-371797 in Patients With Active Ankylosing Spondylitis

A Phase 2 study, sponsored by Pfizer.

Terminated
Registry status
Phase 2
Development phase
25
Enrollment target

NCT00811499: Clinical Trial Phase 2 study, sponsored by Pfizer.

NCT00811499 is a Phase 2 study that was terminated before completion, run by Pfizer. The registered enrollment target is 25 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (81% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00811499, a Phase 2 study, was terminated before completion, sponsored by Pfizer.

TERMINATED
Registry status
Phase 2
Development phase
25 participants
Enrollment target

Study Summary

This is a Phase 2 study, involving a 12-week treatment period, designed to evaluate the effectiveness of investigational study drug ARRY-371797 (versus placebo) in treating ankylosing spondylitis, and to further evaluate the drug's safety. Approximately 130 patients from the US, Canada, Poland and Hungary will be enrolled in this study.

Interventions

  • DRUG ARRY-371797, p38 inhibitor; oral
  • DRUG Placebo; oral

Trial Details

FieldValue
Enrollment Target 25 participants
Start Date 2008-12-16
Est. Completion 2009-09-29
Phase Phase 2
Pfizer

1,845 total trials

Why NCT00811499 stopped before completion

NCT00811499 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 25 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (81% lower).

The record links to 0 conditions, and to 2 interventions - of which ARRY-371797, p38 inhibitor; oral is the first listed.

NCT00811499 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00811499 about?

NCT00811499 is a clinical study titled "A Study of ARRY-371797 in Patients With Active Ankylosing Spondylitis". This is a Phase 2 study, involving a 12-week treatment period, designed to evaluate the effectiveness of investigational study drug ARRY-371797 (versus placebo) in treating ankylosing spondylitis, and to further evaluate the drug's safety. Approximately 130 patients from the US, Canada, Poland and H...

What is the current status of trial NCT00811499?

This trial is currently terminated. It is a Phase 2 study. The enrollment target is 25 participants. The study started on 2008-12-16. Estimated completion is 2009-09-29.

What interventions are being tested in trial NCT00811499?

The interventions under investigation include: ARRY-371797, p38 inhibitor; oral (DRUG), Placebo; oral (DRUG).

Who is sponsoring clinical trial NCT00811499?

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 NCT00811499's enrollment target sits among peer trials

25 1719th of 2000 higher than 245 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 NCT00811499, the US trial registry maintained by the National Library of Medicine. NCT00811499 (small enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.