NCT00240786

Brief Summary

The purpose of this study is to determine the safety and effectiveness of 650 mg and 1300 mg acetaminophen extended release given three times a day for the relief of signs and symptoms of osteoarthritis of the hip or knee for a period of 12 weeks.

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
483

participants targeted

Target at P50-P75 for phase_3

Timeline
Completed

Started Apr 2002

Shorter than P25 for phase_3

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

April 1, 2002

Completed
11 months until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2003

Completed
2.6 years until next milestone

First Submitted

Initial submission to the registry

October 14, 2005

Completed
4 days until next milestone

First Posted

Study publicly available on registry

October 18, 2005

Completed
Last Updated

June 29, 2011

Status Verified

June 1, 2011

First QC Date

October 14, 2005

Last Update Submit

June 28, 2011

Conditions

Keywords

osteoarthritis hiposteoarthritis kneeacetaminophen

Outcome Measures

Primary Outcomes (1)

  • Average change from baseline to the final on-therapy visit for - WOMAC pain subscale score; WOMAC physical function subscale score; and subject's average global assessment of response to therapy through the final on-therapy visit

Secondary Outcomes (1)

  • Average change from baseline to final on-therapy visit for WOMAC stiffness subscale score; average change from baseline to final on-therapy visit for total WOMAC Index; average number of propoxyphene HCl rescue medication capsules per day while in study

Interventions

Eligibility Criteria

Age40 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Symptomats of osteoarthritis of the hip or knee for a minimum of six months
  • History of hip or knee pain due to osteoarthritis requiring the use of NSAIDs, acetaminophen, or another analgesic agent on a regular basis (\>= three days per week) for at least three months before the screening visit
  • History of positive therapeutic benefit with acetaminophen use for osteoarthritis pain
  • History of osteoarthritis pain (moderate, moderately severe, or severe) of the hip or knee when not taking osteoarthritis analgesic medication
  • Must have a pain level of moderate or moderately severe for 24 hours over the previous 24 hours prior to the baseline visit, and at baseline, demonstrate a 20% or greater increase in the pain subscale score, relative to the score at screening

You may not qualify if:

  • History of surgery, including arthroscopy, or major trauma to the study joint in the previous six months before the screening visit
  • Grade 1 or grade 4 severity of the study joint based on the Kellgren and Lawrence radiographic criteria
  • Maximum osteoarthritis pain intensity of none, mild or severe experienced over the previous 24 hours of the baseline visit
  • Signs of clinically important active inflammation of the study knee joint including redness, warmth and/or a large, bulging effusion with the loss of normal contour at the screening and/or baseline visits

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Publications (1)

  • Kuffner EK, Temple AR, Cooper KM, Baggish JS, Parenti DL. Retrospective analysis of transient elevations in alanine aminotransferase during long-term treatment with acetaminophen in osteoarthritis clinical trials. Curr Med Res Opin. 2006 Nov;22(11):2137-48. doi: 10.1185/030079906x148346.

Related Links

MeSH Terms

Conditions

OsteoarthritisOsteoarthritis, HipOsteoarthritis, Knee

Condition Hierarchy (Ancestors)

ArthritisJoint DiseasesMusculoskeletal DiseasesRheumatic Diseases

Study Officials

  • McNeil Consumer & Specialty Pharmaceuticals, a Division of Mc Neil-PPC, Inc. Clinical Trial

    McNeil Consumer & Specialty Pharmaceuticals, a Division of McNeil-PPC, Inc.

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
DOUBLE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY

Study Record Dates

First Submitted

October 14, 2005

First Posted

October 18, 2005

Study Start

April 1, 2002

Study Completion

March 1, 2003

Last Updated

June 29, 2011

Record last verified: 2011-06