NCT02128178.

Study name	Laparoscopic bariatric surgery: two regimens of venous thromboprophylaxis: prospective randomized study
Methods	Single‐centre, double‐blind (participant and outcomes assessor), 2‐arm, parallel‐group RCT
Participants	55 estimated participants, adults and children, both sexes Inclusion criteria BMI > 40 kg/m2 or > 35 kg/m2 with comorbidities Exclusion criteria None
Interventions	Experimental: enoxaparin 40 mg 2 hours before surgery and continued daily for 10 days after Control: enoxaparin 40 mg 12 hours before surgery and continued daily for 10 days after
Outcomes	Primary outcomes DVT or PE (4 weeks after surgery) Secondary outcomes Bleeding from surgical site, drain (if any bleeding), gastrointestinal bleeding (4 weeks after surgery) Hospital stay (4 weeks after surgery)
Starting date	November 2013
Contact information	Mohamed Abdellatif, Mansoura University, Egypt, surg_latif@hotmail.com
Notes	NCT02128178