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- 2. Genetic Predisposition for Development of Ankylosing Spondylitis (AS) AS and HLA-B27 – strong association Ethnic and
- 3. Natural History of AS Highly variable Early stages: spontaneous remissions and exacerbations Spectrum of severity Mild
- 4. Burden of Illness Functional disability Potential complications Quality-of-life issues Pain, stiffness, fatigue, sleep problems Healthcare costs
- 5. Obstacles to Desirable Outcomes in AS Until Recently Diagnostic and classification limitations Lack of universally accepted
- 6. Advances in Medicine: Hope for Patients With AS Increased understanding of pathophysiologic processes Advent of Anti-TNF
- 7. Pathogenesis of AS Incompletely understood, but knowledge increasing Interaction between HLA-B27 and T-cell response Increased concentration
- 8. Clinical Features of AS
- 9. Modified New York Criteria for the Diagnosis of AS Clinical Criteria Low back pain, > 3
- 10. Disease Activity Assessment BASFI = Bath Ankylosing Spondylitis Functional Index BASDAI = Bath Ankylosing Spondylitis Disease
- 11. Bath Ankylosing Spondylitis Functional Index (BASFI) Visual analog scale (VAS) – 10 cm Mean score of
- 12. Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) A self-administered instrument (using 10-cm horizontal visual analog scales)
- 13. ASsessment in Ankylosing Spondylitis (ASAS) ASAS 20: An improvement of > 20% and absolute improvement of
- 14. Introduction of Anti-TNF Agents for the Treatment of Ankylosing Spondylitis US Modifications of the ASAS International
- 15. Tumor Necrosis Factor: Functions of the Proinflammatory Cytokine Stimulation of endothelial cells to express adhesion molecules
- 16. Pathogenesis of Joint Destruction Bone Erosions Macrophages Endothelium Synoviocytes ↑ Proinflammatory cytokines ↑ Chemokines ↑ Adhesion
- 17. US Modifications of the ASAS International Guidelines: Appropriate Patients for Anti-TNF Therapy Definitive AS according to
- 18. Contraindications for Anti-TNF Therapy Current or recurrent infections Tuberculosis Multiple sclerosis Lupus Malignancy Pregnant or lactating
- 19. Monitoring and Discontinuing Treatment With Anti-TNF Agents ASAS core set of outcome parameters to monitor patients
- 20. Anti-TNF Agents Etanercept Approved in the United States and Europe for treatment of AS Dose: 50
- 21. Etanercept Vs. Infliximab: Pharmacologic Characteristics
- 22. Etanercept vs Infliximab: Clinical Differences Etanercept Approved by FDA for treatment of psoriatic arthritis, rheumatoid arthritis,
- 23. Etanercept for the Treatment of AS: Clinical Trials Marzo-Ortega, et al. Significant improvement in all clinical
- 24. Etanercept for the Treatment of AS: Clinical Trials (cont) Brandt, et al. 57% etanercept-treated patients and
- 25. Etanercept: Adverse Events *P
- 26. Etanercept: Adverse Events (cont) Serious infections and sepsis Mainly in patients with underlying illness or receiving
- 27. Infliximab for the Treatment of AS: Clinical Trials Brandt, et al. ≥ 50% improvement on outcome
- 28. Infliximab for the Treatment of AS: Clinical Trials (cont) Stone, et al. Improvement of > 60%
- 29. Infliximab: Adverse Events * Approximation based on all clinical studies
- 30. Infliximab: Adverse Events (cont) Serious infections and sepsis Cases in patients on concomitant immunosuppressive therapy Neurologic
- 31. Anti-TNF Agents: Summary Anti-TNF agents target underlying inflammatory process Alter disease progression Provide symptomatic relief Recommended
- 32. AS Treatment Algorithm: Patients with Axial AS Alternative Options Pamidronate Thalidomide *Only biologic approved for treatment
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