Multiple factors play a pathophysiologic role for the venous thromboembolism (VTE) as a multi-factorial disease. Inflammation might play a peculiar role in shifting towards a pro-thrombotic state. Anticoagulant drugs are the first cure line for VTE. The low-molecular-weight heparins (LMWH) show anti-coagulant capability as well as reducing levels of inflammatory factors, including interleukin (IL)-6. The direct oral anticoagulants (DOACs) have shown efficacy in threating VTE, additionally to the anti-activated factor X these drugs seem able to reduce the abnormal release of pro-inflammatory agents. The present study evaluated the capability of DOACs in reducing plasma level of IL-6 in patients suffered from deep vein thrombosis (DVT) of the lower limbs. Our results showed reduced IL-6 expression levels in the peripheral lymphocytes of DVT compared to controls (fold-change, 2.8; P<0.05). We postulate that lowered IL-6 expression in the lymphocytes of DVT patients may mediate the anti-inflammatory action of DOACs. The present study is the first evidence concerning the anti-inflammatory properties of DOACs in specific setting of VTE patients such as DVT.
Keywords: deep vein thrombosis; direct oral anti-coagulant; inflammation; interleukin-6; therapy.
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