Analgesic Efficacy and Safety Study of Naproxcinod in Subjects With Osteoarthritis of the Knee

June 16, 2011 updated by: NicOx

301: A Phase 3 Study of the Analgesic Efficacy and Safety of HCT 3012: A Parallel, Randomized, Double Blind, 13 Week Placebo and Naproxen Controlled, Multicenter Study of HCT 3012 (375 mg Bid and 750 mg Bid) in Patients With Osteoarthritis of the Knee, Followed by Its Extension (301E): A Parallel, Randomized, Open-Label, Multicenter, 52-Week Follow-up Safety Study of HCT 3012 (375 mg Bid and 750 mg Bid) in Subjects With Osteoarthritis of the Knee

To study the efficacy and safety of naproxcinod vs. placebo and naproxen in the treatment of signs and symptoms of Osteoarthritis.

Study Overview

Detailed Description

This is a 13-week double-blind study followed by a 52-week, open-label, roll-over on active treatment study. These are randomized, parallel group, multicenter studies comparing efficacy and safety of naproxcinod, placebo and naproxen.

Study Type

Interventional

Enrollment (Actual)

918

Phase

  • Phase 3

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

40 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Men and women (40 or older) with a diagnosis of primary OA of the knee
  • Must be a current chronic user of NSAIDS or acetaminophen
  • Must discontinue all analgesic therapy at screening

Exclusion Criteria:

  • Uncontrolled hypertension or diabetes
  • Hepatic or renal impairment
  • Current or expected use of anticoagulant
  • A history of alcohol or drug abuse
  • Candidates for imminent joint replacement
  • Diagnosis of gastric or duodenal ulceration and/or history of significant gastro-duodenal bleeding, within the last 6 months
  • Current medical disease that could confound or interfere with the evaluation of efficacy
  • Participation within 30 days prior to screening in another investigational study

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Placebo Comparator: Placebo bid
At 13 weeks, the patients receiving placebo were re-randomized to receive either naproxcinod 375 mg bid or naproxcinod 750 mg bid in a 1:1 ratio in the 301E study.
At 13 weeks, the patients receiving placebo were re-randomized to receive either naproxcinod 375 mg bid or naproxcinod 750 mg bid in a 1:1 ratio in the 301E study.
Experimental: Naproxcinod 375 mg bid
Active Comparator: Naproxen 500 mg bid
Experimental: Naproxcinod 750 mg bid

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
The primary objective of this study is to show that naproxcinod is superior to placebo in relieving OA signs and symptoms in subjects with OA of the knee at 13 weeks and to collect long term safety data
Time Frame: 13 weeks / long term
13 weeks / long term

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

December 1, 2005

Study Completion (Actual)

September 1, 2007

Study Registration Dates

First Submitted

October 10, 2007

First Submitted That Met QC Criteria

October 10, 2007

First Posted (Estimate)

October 11, 2007

Study Record Updates

Last Update Posted (Estimate)

June 17, 2011

Last Update Submitted That Met QC Criteria

June 16, 2011

Last Verified

June 1, 2011

More Information

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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