COMPARISON OF PATIENTS WITH RHEUMATOID ARTHRITIS (RA) ON DISEASE REMISSION IN THE EUROPEAN UNION (EU) AND UNITED STATES (US)

Author(s)

Narayanan S1, Lu Y2, Hutchings R2, Baskett A2
1Ipsos Healthcare, columbia, MD, USA, 2Ipsos Healthcare, London, UK

OBJECTIVES: To compare RA patients on disease remission in the EU and US among those receiving a biologic treatment as part of usual care. METHODS:  A multi-country multi-center medical chart-review study of RA patients was conducted in 4Q2011 among physicians (majority: rheumatologists) in hospitals/private practices to collect de-identified data on patients who were recently treated with a biologic as part of usual care. Physicians were screened for practice-duration and patient-volume and recruited from a large panel to be geographically representative in the EU (UK/Germany/France/Italy/Spain) and US. For each study-eligible patient chart, physicians abstracted patient diagnosis, treatment patterns/dynamics and patient symptomatology/disease status (incl. assessment of ‘disease remission’, per physician clinical judgment (both objective & subjective)). Patients on disease remission were analyzed. RESULTS: Analysis included 1161 and 405 patients experiencing disease remission in the EU and US respectively; 75% (vs. 74%), 20% (vs. 22%) and 5% (vs. 4%) were on 1st line, 2nd line and >=3rdline biologic respectively in the EU (vs. US). Mean duration in remission was: EU-12.2mo vs. US-12.1mo. Among those with lab measures, results were mostly similar between patients in remission in the EUvs.US: mean ESR(mm/h): 17.0vs.18.9, mean CRP(mg/dl): 7.0vs.1.6, Rheumatoid Factor (% positive): 83%vs.87% and Anti-CCP (% positive): 75%vs.74%. Among those with available data, recent (mean) disease severity scores were also similar between patients in remission in the EUvs.US: Tender Joint Count: 2.3vs.1.7, Swollen Joint Count: 1.2vs.0.8, 100mm VAS score: 18.6vs.18.9, HAQ: 0.7vs.0.6 and DAS28: 2.6vs.2.2. CONCLUSIONS: This is one of the first studies to compare RA patients in remission in the EU and US; the characteristics of these RA patients in remission were found mostly similar between these geographic clusters, despite the potential variations in healthcare systems and modalities of care delivery, possibly attributed by ACR/EULAR efforts in standardizing the outcome definitions and care delivery.

Conference/Value in Health Info

2015-05, ISPOR 2015, Philadelphia, PA, USA

Value in Health, Vol. 18, No. 3 (May 2015)

Code

PMS82

Topic

Epidemiology & Public Health, Health Service Delivery & Process of Care

Topic Subcategory

Hospital and Clinical Practices, Public Health, Treatment Patterns and Guidelines

Disease

Musculoskeletal Disorders, Systemic Disorders/Conditions

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