JPRN‐UMIN000007005.

Trial name or title	The efficacy and safety of anticoagulant therapy Arixtra injection for the prevention of the vein thromboembolism in laparoscopic colorectal surgery
Methods	Randomised parallel open‐label study
Participants	Patients underwent laparoscopic surgery for colorectal cancer.
Interventions	Fondaparinux and no intervention
Outcomes	Efficacy of the incidence of venous thromboembolism. Safety of the incidence of major bleeding
Starting date	10 January 2012
Contact information	Osaka Medical College
Notes