Newer Treatment of Rheumatoid...
Transcript of Newer Treatment of Rheumatoid...
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Newer Treatment of
Rheumatoid Arthritis
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Dr. Muhammad Habib HassanAssistant Professor of Medicine
Chittagong Medical college
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Paradigm Shift The management of RA has changed dramatically over the past 30 years.
Move from “Do no harm” to “I must control your RA” Defining the Window of Opportunity: The earlier the
better principle Treat to Target strategy Emerging Biologic & cell Targeted synthetic DMARD
Greatest adverse events associated with RA is uncontrolled RA
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Approach Consideration
Pharmacologic : DMARD, symptomatic agents Non pharmacologic
Physical measures: Exercise, Diet, Massage, Physical Therapy
Psychological support: Stress reduction, CounsellingSurgery: Synovectomy, Teno-synovectomy,
Tendon realignment, Arthroplasty, Arthrodesis
Optimal care of Patients with Rheumatoid Arthritis consists of an integrated approach
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General Principle of management
The primary objectives of treating early & established rheumatoid arthritis are
To reduce inflammation and pain To stop progression of bone cartilage
damage & deformity To preserve function & to prevent disability To reduce constitutional symptoms such as
fatigue To reduce morbidity & mortality
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Key to Remission……………………
requires
early
effective
pharmacologic intervention
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SPA
R A
CTD
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Conventional DMARDsName Target of Activity
Methotrexate Dihydrofolate reductase; folate metabolism
Sulfasalazine Uncertain; multifactorial,impairment of lymphocyte function and cytokine synthesis
Hydroxychloroquine T-lymphocytes (?)
Leflunomide Pyridine synthesis
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Biologic DMARDs
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Targeted synthetic DMARDs
Name of Drug Target of Activity
Tofacitinib JAK Kinase
Baricitinib JAK Kinase
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Targetof
BiologicsTarget of Activity
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Targets of ts DMARD
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ARD Online First, Published on March 17,2017 as 10.1136/annrheumdis-2016-210715
Recommendation
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T2T strate
gy
7. Low dose glucocorticoid for 6 months!!!!!!!!!!!!!!!
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T2T defines what that job is
• Rx of all Pts based on a disease activity target
• Either Remission or low disease activity
• Disease activity target is more important than the type of DMARD
• Measuring disease activity more important
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American College of Rheumatology (ACR) responses from Cochrane reviews of key clinical
trials.
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Comparative efficacy of different biologics from a Cochrane overview of systematic
reviews
Singh, J.a. et al. Biologics for rheumatoid arthritis: an overview of Cochrane reviews. Cochrane Database Syst. Rev.CD007848 (2009)
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Toxicity of biologics from a network meta-analysis and a Cochrane overview.
Singh, J.A. et al. Adverse effects of biologics: a network meta-analysis andCochrane overview. Cochrane Database Syst. Rev. CD008794 (2011).
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Systematic review of cost-effectiveness of biologics
The incremental cost-effectiveness ratios (ICERs)of individual studies areshown for initial biologicsand for methotrexatefailure compared withmore methotrexate oralternative DMARDs.DMARD, disease-modifying antirheumaticdrug
van der Velde, G. et al. Arthritis Care Res. (Hoboken) 63, 65–78 (2011)
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Comparison of TNF inhibitors with MTX or combination DMARDs against MTX monotherapy in trials
Ma, M.H., Kingsley, G.H. & Scott, D.L. A systematic comparison of combinationNDMARD therapy and tumournecrosis inhibitor therapy with methotrexate in patients with early rheumatoid arthritis. Rheumatology (Oxford) 49, 91–98(2010)
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The common points shared by most guidelines are…………………………………?
Biologics should be reserved for use in patients with active disease who have failed to respond to methotrexate and, potentially, to other DMARDs
It is preferable to give biologics in combination with methotrexate and, potentially, with other DMARDs
It is advisable to start with the most established biologics, which are usually the TNF inhibitors
If patients have active disease despite TNF inhibitors, alternative biologics should be administered until disease control is achieved or until the patient has failed to respond to all appropriate biologics
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Protein Tyrosine Kinases Targeted in Rheumatoid Arthritis
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“Start” Study (Tofacitinib): ACR70 clinical results over time
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Safety profile of Tofacitinib
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Janus Kinase (JAK) Inhibitors in Development
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