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NCT00876187 · ClinicalTrials.gov registry record · Phase 2

A Study of Tanezumab in Adults With Chronic Low Back Pain

A Phase 2 study, sponsored by Pfizer.

Completed
Registry status
Phase 2
Development phase
1,359
Enrollment target

NCT00876187: Completed Phase 2 study, sponsored by Pfizer.

NCT00876187 is a Phase 2 study that has completed, run by Pfizer. The registered enrollment target is 1,359 participants, above the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (922% higher). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00876187, a Phase 2 study, has completed, sponsored by Pfizer.

COMPLETED
Registry status
Phase 2
Development phase
1,359 participants
Enrollment target

Study Summary

The purpose of this study is to evaluate the efficacy and safety of multiple doses of tanezumab administered every 8 weeks in treating chronic low back pain. Tanezumab is a monoclonal antibody directed against human nerve growth factor.

Primary Outcome

Daily average back pain was assessed on an 11-point numeric rating scale (NRS) captured through an interactive voice response system (IVRS). The participant described the chronic low back pain (CLBP) during the past 24 hours on a scale ranging from 0 (no pain) to 10 (worst possible pain). Baseline value was calculated as mean of the scores over 5 days prior to randomization (initial pain assessment period). Post-baseline value was calculated as mean of the scores over the 7-day period prior to a

Interventions

  • BIOLOGICAL Tanezumab 20 mg IV
  • DRUG Placebo for naproxen
  • BIOLOGICAL Tanezumab 10 mg IV
  • BIOLOGICAL Tanezumab 5 mg IV

Trial Details

FieldValue
Enrollment Target 1,359 participants
Start Date 2009-06-15
Est. Completion 2011-02-01
Phase Phase 2
Pfizer

1,845 total trials

What the finished NCT00876187 record still lists

NCT00876187 is an interventional study that assigns participants to a tested intervention. Its 1,359 participants enrollment target places it among the larger protocols in the corpus, above the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (922% higher).

The record links to 0 conditions, and to 4 interventions - of which Tanezumab 20 mg IV is the first listed.

NCT00876187 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00876187 about?

NCT00876187 is a clinical study titled "A Study of Tanezumab in Adults With Chronic Low Back Pain". The purpose of this study is to evaluate the efficacy and safety of multiple doses of tanezumab administered every 8 weeks in treating chronic low back pain. Tanezumab is a monoclonal antibody directed against human nerve growth factor.

What is the current status of trial NCT00876187?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 1,359 participants. The study started on 2009-06-15. Estimated completion is 2011-02-01.

What interventions are being tested in trial NCT00876187?

The interventions under investigation include: Tanezumab 20 mg IV (BIOLOGICAL), Placebo for naproxen (DRUG), Tanezumab 10 mg IV (BIOLOGICAL), Tanezumab 5 mg IV (BIOLOGICAL).

Who is sponsoring clinical trial NCT00876187?

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 NCT00876187's enrollment target sits among peer trials

1,359 13th of 2000 higher than 1,988 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 NCT00876187, the US trial registry maintained by the National Library of Medicine. NCT00876187 (large enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.