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Treatment for Patients With Osteoarthritis (OA) of the Knee

This study has been completed.
Information provided by:
Amgen Identifier:
First received: May 16, 2005
Last updated: February 20, 2008
Last verified: February 2008
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 Intervention Phase
Osteoarthritis Drug: Intra-articular metHuIL-1ra (anakinra) Drug: placebo Phase 2

Study Type: Interventional
Study Design: 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

Resource links provided by NLM:

Further study details as provided by Amgen:

Primary Outcome Measures:
  • WOMAC [ Time Frame: 12 weeks ]

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

Estimated Enrollment: 165
Study Start Date: June 2004
Study Completion Date: February 2005
Primary Completion Date: February 2005 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Anakinra
Drug: Intra-articular metHuIL-1ra (anakinra)
Placebo Comparator: placebo
Drug: placebo


Ages Eligible for Study:   18 Years and older   (Adult, Senior)
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
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Please refer to this study by its identifier: NCT00110916

Sponsors and Collaborators
Study Director: MD Amgen
  More Information

Additional Information:
Publications automatically indexed to this study by Identifier (NCT Number):
Responsible Party: Global Development Leader, Amgen Inc. Identifier: NCT00110916     History of Changes
Other Study ID Numbers: 20040100
Study First Received: May 16, 2005
Last Updated: February 20, 2008

Keywords provided by Amgen:

Additional relevant MeSH terms:
Joint Diseases
Musculoskeletal Diseases
Rheumatic Diseases
Interleukin 1 Receptor Antagonist Protein
Antirheumatic Agents processed this record on August 18, 2017