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Study aim
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Comparison of the preventive effects of Apixaban and Enoxaparin on the postoperative vascular thromboembolism in patients undergoing surgery with gynecological and colorectal cancers
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Design
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Inclusion criteria: Patients diagnosed with gynecological and colorectal cancers undergo laparotomy surgery. Criteria for not entering: Patients with the use of non-steroidal anti-inflammatory drugs for more than one year, having other types of cancers, a history of thromboembolism, having severe kidney or liver diseases, having coagulation or bleeding disorders, using thrombogenic drugs, and pregnancy or breastfeeding.
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Settings and conduct
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In both groups, Heparin (5000 units, subcutaneous) is injected 30 minutes before skin incision. 18 to 24 hours after the termination of the operation, 0.5 mg/kg enoxaparin is injected subcutaneously and continues until discharge per day. After discharge for 28 days, in the intervention group, 2.5 mg of apixaban (Exir, Iran) will be administered orally twice a day and in the control group, 0.5 mg/kg enoxaparin will be administered subcutaneously.
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Participants/Inclusion and exclusion criteria
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Phase 3 clinical trial with a control group, parallel design, and randomized is performed on 160 patients.
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Intervention groups
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This randomized study will be performed on 160 patients diagnosed with gynecological and colorectal cancers who undergo laparotomy surgery in Baqiyatallah Hospital. This is a single-blind study, the study outcome assessor does not know the type of treatment.
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Main outcome variables
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The incidence of major bleeding or non-major bleeding with clinical significance till the first 90 days after the surgery.