Clinical trial NCT00110916: Treatment for Patients With Osteoarthritis (OA) of the Knee
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 type: INTERVENTIONAL
Overall status: COMPLETED
Phase: PHASE2
Conditions: Osteoarthritis
Keywords: Intra-articular
Osteoarthritis
OA
anakinra
Amgen
Lead sponsor: Amgen
Sponsor class: INDUSTRY
First posted: 2005-05-17
Enrollment: 165
Sex: ALL
Minimum age (years): 18
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Allocation: RANDOMIZED
Intervention model: PARALLEL
Primary purpose: TREATMENT

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.


Eligibility criteria: 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

Primary outcomes:
measure: WOMAC
timeFrame: 12 weeks
Secondary outcomes:
measure: Pain Patient's global assessment
timeFrame: 12 weeks
Other outcomes:
Locations:
Study officials:
affiliation: Amgen
name: MD
role: STUDY_DIRECTOR
References:
citation: Chevalier X, Goupille P, Beaulieu AD, Burch FX, Bensen WG, Conrozier T, Loeuille D, Kivitz AJ, Silver D, Appleton BE. Intraarticular injection of anakinra in osteoarthritis of the knee: a multicenter, randomized, double-blind, placebo-controlled study. Arthritis Rheum. 2009 Mar 15;61(3):344-52. doi: 10.1002/art.24096.