Chinachoti 2010.

Study name	Intrathecal morphine, femoral nerve block, periarticular bupivacaine infiltration for pain after intramedullary hip screw
Methods	Parallel RCT, single masking (outcomes assessor) Approved by the ethics committee and informed consent obtained: to be determined Site: Mahidol University, Taiwan Data collection: to be determined Funding: to be determined Registration: NCT01219088
Participants	80 ASA I to III participants with femoral neck fracture from 18 to 90 years of age Excluded: contraindication to spinal anaesthesia, inability to use patient‐controlled analgesia, body weight < 30 kg, body mass index > 35 kg/m2, history of research drug allergy, previous history of hip surgery on the same side, pathological fracture (severe infection, bone cancer) Type of fracture: femur fracture Anaesthetic technique for surgery: spinal anaesthesia Surgical technique:  intramedullary hip screw Mean age: (range ): to be determined Percentage female: % to be determined Length of follow‐up: 48 hours Excluded: patients with contraindication to spinal anaesthesia, inability to use patient‐controlled analgesia, body weight < 30 kg, body mass index > 35 kg/m2, history of research drug allergy, previous history of hip surgery on the same side, pathological fracture (severe infection, bone cancer)
Interventions	Intervention: femoral nerve block Comparator 1: no block Comparator 2: intrathecal morphine Comparator 3: periarticular infiltration
Outcomes	Relevant to this review. Pain. Opioids. Participant satisfaction. Not relevant to this review. Opioid side effects.
Starting date	First posted: 13 October 2010 Study start date:  September 2010 Study completion date: September 2012 Last update posted: 4 August 2011
Contact information	Thitima Chinachoti, MD
Notes	Conflict of interest: to be determined DOI: to be determined