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Assessment of Inflammation and Damage in Rheumatoid Arthritis Patients with Methotrexate Inadequate Response Receiving Tocilizumab Using Low Field MRI| Abstract
ISSN: 2161-1165

Epidemiology: Open Access
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  • Research Article   
  • Epidemiology (sunnyvale) 2014, Vol 4(4): 173
  • DOI: 10.4172/2161-1165.1000173

Assessment of Inflammation and Damage in Rheumatoid Arthritis Patients with Methotrexate Inadequate Response Receiving Tocilizumab Using Low Field MRI

Samira Rostom1*, Bouchra Amine1, Rachid Bahiri1, Fadoua Allali1, Redouane Abouqal2 and Najia Hajjaj-Hassouni1
1Department of Rheumatology, Faculty of Medicine and Pharmacy, University Med V Souissi, El Ayachi University Hospital, , Rabat-Sale, Morocco
2Faculty of Medicine and Pharmacy, University Med V-Souissi, Laboratory of Biostatistical, Clinical and Epidemiological Research (LBRCE), , Rabat, Morocco
*Corresponding Author : Samira Rostom, Department of Rheumatology, El Ayachi University Hospital, Sale, Morocco, Tel: 00-212-537-78-29-19/17-14, Fax: 00212537782653, Email: [email protected]

Received Date: Apr 28, 2014 / Accepted Date: Sep 23, 2014 / Published Date: Sep 30, 2014

Abstract

Objectives: The aim of the study was to monitor joint inflammation and destruction in rheumatoid arthritis (RA) patients receiving tocilizumab therapy using MRI and compare MRI findings with clinical, biological and radiographic data.

Methods: Inclusion criteria were patients aged between 18 and 65 years, fulfilling American College of Rheumatology 1987 criteria for RA. All patients had methotrexate inadequate response with no prior biologic exposure. All patients were evaluated clinically including disease activity score 28 (DAS28) and by low field dedicated MRI (dominant hand and wrist) at initiation of treatment with anti-IL 6 receptor antibody agents and after 6 months. The MRI images were scored using the Outcome Measures in Rheumatology Clinical Trials RAMRI score (OMERACT RAMRIS).

Results: Among 22 patients with RA included in the study; 19 were female. The mean age was 42years ±13.7. Tree patients were excluded from the study before 24 weeks because of serious side effects. The study population exhibited significant decreases in all measures of disease activity at 24 weeks. At 24 weeks, the median RAMRIS synovitis (p<0.0001) and bone edema (p=0.04) scores were significantly reduced while RAMRIS bone erosion score was unchanged. The baseline RAMRIS synovitis score was strongly correlated with delta RAMRIS edema at 24 weeks (r= - 0.46; p=0.04).

Conclusion: This study suggests a significant reduction in MRI pre-erosive lesions (synovitis and osteitis) using Tocilizumab in patients with RA with inadequate response to DMARDS. Prospective studies with long term follow-up and imaging as an outcome measure are needed.

Keywords: Rheumatoid Arthritis; Tocilizumab (anti-IL6); RAMRIS; low field MRI

Citation: Rostom S, Amine B, Bahiri R, Allali F, Abouqa R, et al. (2014) Assessment of Inflammation and Damage in Rheumatoid Arthritis Patients with Methotrexate Inadequate Response Receiving Tocilizumab Using Low Field MRI. Epidemiology (Sunnyvale) 4:173. Doi: 10.4172/2161-1165.1000173

Copyright: © 2014 Rostom S, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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