The purpose of the study is to examine the efficacy and safety of prolonged thromboprophylactic treatment with Fragmin® in oesophageal cancer patients undergoing intended curative surgery.
Hypotheses 1. The intervention group of oesophageal cancer patients, who receive prolonged thromboprophylaxis with Fragmin® has a lower VTE risk, expressed by a lower prothrombin fragment F1+2, 30 days after surgery than the control group, who receive Fragmin® for 10 days. 2. The intervention group does not demonstrate an increased bleeding tendency compared with the control group. Primary endpoint The primary endpoint is the difference in prothrombin fragment F1+2 30 days after surgery between the intervention and the control group. Secondary and safety endpoints The secondary endpoints are incidence of bleeding, VTE and mortality 30 days and one year after surgery. Study design The study is comprised of three specific objectives, presented in three work packages (WP): * WP1: Randomization of 100 oesophageal cancer patients undergoing intended curative surgery to either a 10 or 30-day prophylactic LMWH-regime. * WP2: Investigation of the coagulation in the WP1 population. The aim is to substantially improve understanding of the coagulation pathophysiology and the mechanisms behind the increased thromboembolic risk in oesophageal cancer patients. * WP3: The lectin pathway complement proteins are suspected to play a role in the increased risk of thrombosis in cancer. We aim to examine this further by measuring complement protein levels in the WP1 population and investigate if there is a correlation between complement levels and changes in the coagulation.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Enrollment
100
30 days postoperative prophylactic treatment.
Thrombosis and Haemostasis Research Unit, Department for Clinical Biochemistry, Aarhus University Hospital
Aarhus N, Denmark
RECRUITINGProthrombin fragment F1+2
Difference in prothrombin fragment F1+2 between the intervention and the control group.
Time frame: 30 days after surgery.
Bleeding
Incidence of bleeding
Time frame: 30 days after surgery.
Venous thromboembolic events
Incidence of venous thromboembolic events
Time frame: 30 days and one year after surgery
Mortality
Mortality
Time frame: 30 days and one year after surgery
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