Treatment for Patients With Osteoarthritis (OA) of the Knee

February 20, 2008 updated by: Amgen

A Randomized, Double-Blind, Placebo-Controlled Study to Assess the Efficacy and Safety of Intra-Articular metHuIL-1ra (Anakinra) in Subjects With Osteoarthritis (OA) of the Knee

The purpose of this study is to evaluate the clinical response in subjects with symptomatic OA of the knee following a single 50 mg anakinra, 150 mg anakinra or placebo intra-articular (IA) injection.

Study Overview

Status

Completed

Conditions

Study Type

Interventional

Enrollment (Anticipated)

165

Phase

  • Phase 2

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

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria: - Diagnosed with knee OA as determined by American College of Rheumatology (ACR) criteria - Pain defined by a level of greater than 30 mm on a 100 mm Visual Analogue Scale (VAS) - No evidence of active effusion or inflammatory flare, confirmed by investigator - Must exhibit radiographic evidence of tibio-femoral compartment knee OA within 12 months of screening - Stable doses of any non-prescribed supplements (e.g. glucosamine or chondroitin sulphate, shark cartilage, diacerhein, soya extract) for at least 2 months prior to screening - Unchanged use of physical therapy, biomechanical devices or orthotic support within at least 2 months of screening - Subjects on nonsteroidal anti-inflammatory drug (NSAID) therapy must discontinue NSAIDs 3 days prior to baseline (Day 1) - Before any study-specific procedure is performed, the appropriate written informed consent for participation in the study must be obtained Exclusion Criteria: - Malignancy within the previous 5 years, except for basal cell or in situ cancer - Significant hematologic disease - Active infection or history of recurrent or chronic infections - Known diagnosis of HIV, hepatitis B, or hepatitis C infection - Uncontrolled diabetes or cardiovascular disease and hypertension - Inflammatory arthropathy including secondary OA - Isolated OA of the patellofemoral joint (bi or tri-compartmental involvement are not exclusions) - End-stage ("bone-on-bone") OA (Kellgren Lawrence score of 4) - OA of the hip ipsilateral to the index knee - Total white cell count less than 2.0 x 109/L and/or platelet count less than 100 x 109/L observed within 1 month preceding screening - Prior IA injection of anakinra or experimental interleukin-1 (IL-1) inhibitor therapy - Concurrent treatment with subcutaneous (SC) anakinra - Concurrent or recent (less than or equal to 1 month) use of experimental therapy - Prior IA corticosteroid injection within 1 month of study - Prior viscosupplement therapy within 3 months of study - Contraindication(s) to IA injections - Subjects who are pregnant or breast-feeding, or plan to become pregnant during the study - Subject is not using adequate contraception - Known allergy to E coli-derived products - Unable to understand informed consent - Concerns regarding subject's compliance with the protocol procedures - Subject will not be available for follow-up assessment - Active substance abuse

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: Double

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Placebo Comparator: placebo
placebo
Experimental: Anakinra
anakinra
anakinra

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
WOMAC
Time Frame: 12 weeks
12 weeks

Secondary Outcome Measures

Outcome Measure
Time Frame
Pain Patient's global assessment
Time Frame: 12 weeks
12 weeks

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

June 1, 2004

Primary Completion (Actual)

February 1, 2005

Study Completion (Actual)

February 1, 2005

Study Registration Dates

First Submitted

May 16, 2005

First Submitted That Met QC Criteria

May 16, 2005

First Posted (Estimate)

May 17, 2005

Study Record Updates

Last Update Posted (Estimate)

February 22, 2008

Last Update Submitted That Met QC Criteria

February 20, 2008

Last Verified

February 1, 2008

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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