NCT01528189.

Methods	Type of study: interventional Allocation: randomised Type of trial: endpoint classification: efficacy study Intervention model: single group assignment Masking: double (participant, outcomes assessor) Primary purpose: treatment
Participants	Conditions: elective liver, pancreatic or colorectal surgery Gender: females and males Age groups: adult/senior Enrolment: 540
Interventions	Intervention: hyperinsulinaemic normoglycaemic clamp Comparator: standard glucose management
Outcomes	Primary outcome: surgical site infection (30 days after surgery) Secondary outcome: surgical morbidity in the 30 days following the operation
Reason for awaiting classification	Unknown
Study details	—
Official title and purpose of study	Effect of high dose insulin on infectious complications following major surgery
Notes	—