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A Prospective Double Blind Placebo Controlled Trial of Combi | 46255

Journal of Arthritis

ISSN - 2167-7921

Abstract

A Prospective Double Blind Placebo Controlled Trial of Combination Disease Modifying Antirheumatic Drugs vs. Monotherapy (Sulfasalazine) in Patients with Inflammatory Low Backache in Ankylosing Spondylitis and Undifferentiated Spondyloarthropathy

Venkatesh S, Vishad V Viswanath, Deepak Tripathi, Mehtab Ansari and Vikas Agarwal

Objective: Inflammatory back pain (IBP) in Ankylosing Spondylitis (AS) and Undifferentiated Spondyloarthritis (UspA) adversely affects the quality of life. Herein combination DMARD vs. sulfasalazine (SSZ) monotherapy was evaluated in treatment of axial symptoms of AS and UspA.

Methods: Patients with AS/UspA with disease duration ≤ 8 years, IBP of atleast 6 months duration, and BASDAI ≥ 4 or early morning stiffness ≥ 1 hour despite NSAID therapy for 6 weeks were included. Patients were initiated on SSZ with either combination DMARD [MTX (10 mg escalated by 2.5 mg every week up to 20 mg/week) and HCQS 200 mg/day] or SSZ Monotherapy group [placebo MTX and placebo HCQS]. ASAS20 response was assessed at baseline and at the end of 6 months.

Results: Of thirty three patients (31 males) with mean disease duration 39 months and mean BASDAI of 6 at baseline, 27 completed the study (16 in Combination DMARD and 11 in SSZ monotherapy group). ASAS 20 response, was achieved in 68.4% (13/19) and 50% (7/14) in the Combination DMARD and SSZ monotherapy groups (p=0.47), respectively. BASDAI scores decreased significantly in both the groups after therapy. A significant improvement in BASFI, patient pain VAS, patient global disease VAS, HAQ, and MCS of SF-36 was observed in both the groups. In the combination DMARD group, significant improvement in BASMI, FACIT and PCS of SF-36 and decrease in the serum MMP-3 levels was observed following therapy.

Conclusion: SSZ monotherapy is equally efficacious as combination DMARD group in a significant proportion of patients with NSAID refractory IBP associated with AS/ USpA.

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