Rationale and design of a prospective, multicenter, cohort study on the evaluation of postoperative Venous ThromboEmbolism incidence in patients with ColoRectal Cancer (CRC-VTE trial)

Qi Wei, Yang Wang, Yong-Bo An, Zheng-Yang Yang, Yi-Shan Liu, Xiao Zhang, Zhi-Chun Gu, Hong-Wei Yao, CRC-VTE investigators, Qi Wei, Yang Wang, Yong-Bo An, Zheng-Yang Yang, Yi-Shan Liu, Xiao Zhang, Zhi-Chun Gu, Hong-Wei Yao, CRC-VTE investigators

Abstract

Background: Venous thromboembolism (VTE), including deep vein thrombosis (DVT) and pulmonary embolism (PE), is a common complication after abdominal surgery. The incidence of VTE after colorectal malignancy is higher than that after general surgery. Although more attention has been paid to the prevention of VTE, there is still a large gap between clinical practice and guideline recommendation.

Methods: The Venous ThromboEmbolism incidence in patients with ColoRectal Cancer (CRC-VTE trial) will be a prospective, multicenter, cohort study to determine the current status of the incidence, diagnosis, treatment, and prevention of VTE after colorectal cancer surgery in China, as well as to further improve the level of prevention and treatment of VTE events in these fragile patients. In this study, 1,217 patients will be enrolled at 40 centers in China and evaluated on VTE events and adverse events related to VTE prevention at 5-9 and 21-28 days after surgery. The primary outcome is the incidence of VTE events during the follow-up, and secondary outcome is the incidence of adverse events associated with VTE prevention.

Discussion: This study will comprehensively evaluate the incidence and prevention of VTE after colorectal cancer surgery in China, balance the relationship between VTE prevention and bleeding adverse events, and the formulate a guideline for the prevention of VTE after colorectal surgery that might suitable for national conditions.

Trial registration: Clinical trial registration number NCT04588805 (The CRC-VTE trial).

Keywords: Colorectal cancer; anticoagulation; cohort; low molecular weight heparin; operation; venous thromboembolism (VTE).

Conflict of interest statement

Conflicts of Interest: All authors have completed the ICMJE uniform disclosure form (available at https://tcr.amegroups.com/article/view/10.21037/tcr-21-1860/coif). The authors have no conflicts of interest to declare.

2022 Translational Cancer Research. All rights reserved.

Figures

Figure 1
Figure 1
Study flowchart. VTE, venous thromboembolism.

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Source: PubMed

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