Kim 2014.

Trial name or title	The Effect of Dexmedetomidine on Postoperative Analgesia
Methods	RCT, 2 parallel groups
Participants	Number: 95 participants, both genders Country: Korea Surgery: elective surgery for colon cancer Age: 20 to 74 years ASA: not stated Other inclusion criteria: none stated Exclusion criteria: hepatic or renal disease, allergy to study drugs, inability to use patient‐controlled analgesia
Interventions	Dexmedetomidine 500 µg plus fentanyl 2500 µg plus saline 45 mL vs Fentanyl 2500 µg + saline 50 mL
Outcomes	Total amount of administered fentanyl during first 24 hours after surgery
Starting date	June 2011
Contact information	Study Chair: Yong Chul Kim, Professor Seoul National University Hospital, Seoul, Korea, 110‐744
Notes	Details of drug administration or timing not available Status at clinicaltrials.gov: completed, last verified March 2012, no results posted Clinical Trials identifier: NCT01373021