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NCT00784693 · ClinicalTrials.gov registry record · Phase 2

A Clinical Study To Investigate The Effectiveness And Safety Of Tanezumab In Treating Pain Associated With Endometriosis

A Phase 2 study, sponsored by Pfizer.

Terminated
Registry status
Phase 2
Development phase
48
Enrollment target

NCT00784693: Clinical Trial Phase 2 study, sponsored by Pfizer.

NCT00784693 is a Phase 2 study that was terminated before completion, run by Pfizer. The registered enrollment target is 48 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (64% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00784693, a Phase 2 study, was terminated before completion, sponsored by Pfizer.

TERMINATED
Registry status
Phase 2
Development phase
48 participants
Enrollment target

Study Summary

The purpose of this study is to determine whether tanezumab is effective and safe in the treatment of pain associated with endometriosis.

Primary Outcome

Participants assessed daily endometriosis pain on an 11-point Numeric Rating Scale (NRS) of 0 to 10, where 0 = no pain and 10 = pain as bad as you can imagine. Higher score indicated greater pain. Baseline value was calculated as mean of the scores over 28 days in the baseline observation period. Post-baseline value was calculated as mean of the scores over the 28-day period preceding the post-baseline visit.

Interventions

  • DRUG Placebo
  • BIOLOGICAL Tanezumab

Trial Details

FieldValue
Enrollment Target 48 participants
Start Date 2008-12-18
Est. Completion 2010-04-05
Phase Phase 2
Pfizer

1,845 total trials

Why NCT00784693 stopped before completion

NCT00784693 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 48 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (64% lower).

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

NCT00784693 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00784693 about?

NCT00784693 is a clinical study titled "A Clinical Study To Investigate The Effectiveness And Safety Of Tanezumab In Treating Pain Associated With Endometriosis". The purpose of this study is to determine whether tanezumab is effective and safe in the treatment of pain associated with endometriosis.

What is the current status of trial NCT00784693?

This trial is currently terminated. It is a Phase 2 study. The enrollment target is 48 participants. The study started on 2008-12-18. Estimated completion is 2010-04-05.

What interventions are being tested in trial NCT00784693?

The interventions under investigation include: Placebo (DRUG), Tanezumab (BIOLOGICAL).

Who is sponsoring clinical trial NCT00784693?

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 NCT00784693's enrollment target sits among peer trials

48 1265th of 2000 higher than 718 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 NCT00784693, the US trial registry maintained by the National Library of Medicine. NCT00784693 (small enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.