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Completed Phase 2 Interventional

A Study To Investigate Whether PF-04457845 Is Effective In Treating Pain, Is Safe And Tolerable In Patients With Osteoarthritis Of The Knee

ClinicalTrials.gov ID: NCT00981357

Public ClinicalTrials.gov record NCT00981357. 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 8, 2026, 5:18 PM 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 Phase 2a Randomized, Double-blinded, Double Dummy, Placebo And Active Controlled, Two-way Cross-over, Flare-enriched Multi-centre Clinical Trial To Examine The Pain Relief Produced By 2 Weeks Of Daily Oral Administration Of A Fatty Acid Amide Hydrolase (Faah) Inhibitor Pf-04457845 In Patients With Osteoarthritis Of The Knee.

Brief summary

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

Inactivation of the FAAH (Fatty Acid Amide Hydrolase) enzyme has been shown to relieve pain and inflammation in animal studies. PF-04457845 has been shown to inactivate the FAAH enzyme in animals and healthy human volunteers. The purpose of this study is to evaluate whether PF-04457845 can inactivate the FAAH enzyme in patients experiencing pain due to OA and whether this results in these patients experiencing less pain.

Study identification

NCT ID
NCT00981357
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Pfizer
Industry
Enrollment
76 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years to 75 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
Oct 31, 2009
Primary completion
Apr 30, 2010
Completion
Apr 30, 2010
Last update posted
Sep 18, 2017

2009 – 2010

United States locations

U.S. sites
5
U.S. states
3
U.S. cities
3
Facility City State ZIP Site status
Arthritis & Rheumatic Care Center Miami Florida 33143
Miami Research Associates Miami Florida 33143
Vince and Associates Clinical Research Overland Park Kansas 66211
Vince and Associates Clinical Research Overland Park Kansas 66212
CEDRA Clinical Research, LLC San Antonio Texas 78217

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

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 2 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00981357, 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 Sep 18, 2017 · Synced Sep 8, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00981357 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →