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Original Articles

Effects of infliximab treatment in terms of cardiovascular risk and insulin resistance in ankylosing spondylitis patients

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Pages 335-339 | Received 01 Feb 2013, Accepted 24 Apr 2013, Published online: 05 Nov 2013
 

Abstract

Objective. To assess the effects of infliximab treatment on insulin sensitivity and cardiovascular risk factors in patients with ankylosing spondylitis (AS).

Methods. In this prospective study, 30 consecutive AS patients (23 men and 7 women) fulfilling the modified 1984 New York criteria for AS were investigated. All patients were treated with intravenous infliximab. A complete biochemical profile and assesments were obtained before and after 12 weeks of infliximab therapy. The Homoeostasis Model Assessment of Insulin Resistance Index (HOMA-IR) was used to measure insulin resistance (IR). Framingham equation was used to assess cardiovascular risk factors.

Results. After 12 weeks of infliximab treatment, there was no statistically significant difference in fasting insulin, HOMA-IR, lipid parameters, body–mass index, waist circumference and waist–hip ratio, whereas fasting glucose levels (p = 0.001), triglycerides/high-density lipoprotein (HDL) ratio (p = 0.043) and total cholesterol/HDL (p = 0.041) ratio increased significantly from baseline. A significant decrease was observed for both systolic blood pressures (p < 0.001) and diastolic blood pressures (p = 0.003) in the 12th-week visit. A significant decrease was also found in terms of Framingham risk scores (p = 0.028) after treatment.

Conclusions. Study results suggest that infliximab treatment may reduce cardiovascular risk and blood pressures without changing IR.

Conflict of interest

None.

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