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Treatment for Patients With Osteoarthritis (OA) of the Knee

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00110916
Recruitment Status : Completed
First Posted : May 17, 2005
Last Update Posted : February 22, 2008
Information provided by:

Brief Summary:
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.

Condition or disease Intervention/treatment Phase
Osteoarthritis Drug: Intra-articular metHuIL-1ra (anakinra) Drug: placebo Phase 2

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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 165 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double (Participant, Investigator)
Primary Purpose: Treatment
Official Title: 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
Study Start Date : June 2004
Actual Primary Completion Date : February 2005
Actual Study Completion Date : February 2005

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Osteoarthritis
Drug Information available for: Anakinra

Arm Intervention/treatment
Experimental: Anakinra
Drug: Intra-articular metHuIL-1ra (anakinra)

Placebo Comparator: placebo
Drug: placebo

Primary Outcome Measures :
  1. WOMAC [ Time Frame: 12 weeks ]

Secondary Outcome Measures :
  1. Pain Patient's global assessment [ Time Frame: 12 weeks ]

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
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

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT00110916

Sponsors and Collaborators
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Study Director: MD Amgen
Additional Information:
Publications automatically indexed to this study by Identifier (NCT Number):
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Responsible Party: Global Development Leader, Amgen Inc. Identifier: NCT00110916    
Other Study ID Numbers: 20040100
First Posted: May 17, 2005    Key Record Dates
Last Update Posted: February 22, 2008
Last Verified: February 2008
Keywords provided by Amgen:
Additional relevant MeSH terms:
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Joint Diseases
Musculoskeletal Diseases
Rheumatic Diseases
Interleukin 1 Receptor Antagonist Protein
Antirheumatic Agents