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. 2022 Jun 21;2022(6):CD000434. doi: 10.1002/14651858.CD000434.pub5

Howard 2018.

Study name Open reduction internal fixation vs nonoperative management in proximal humerus fractures: a prospective, randomized controlled trial protocol
Methods Randomised, single‐centre, single‐blind (outcome assessors), clinical trial
Participants 30 participants (actual) aged > 60 years with acute 2‐ or 3‐part proximal humeral fractures, or 4‐part fractures that are deemed amenable to surgical fixation
Inclusion criteria: displaced 2‐, 3‐ or 4‐part proximal humeral fractures (Neer classification), > 60 years of age, low‐energy mechanism of injury, acute fracture (< 3 weeks)
Interventions 1. Open reduction and internal fixation (ORIF) with locked plate
2. Non‐operative treatment: sling immobilisation for a period of 6 weeks
Outcomes Follow‐up: 3, 6, 12 and 24 months
Primary outcome: Constant score
Secondary outcomes: American Shoulder and Elbow Surgeons Standardized Shoulder Assessment, Short Form‐36, complication rates, reoperation rates, radiographic time to union, radiographic malunion, hardware position and evidence of avascular necrosis or post‐traumatic osteoarthritis
Starting date Start date: September 2015
Estimated end date: August 2020
Contact information Peter Lapner
The Ottawa Hospital
Ottawa
Ontario
Canada, K1H8L6
Telephone: 613‐737‐8899 Ext. 78377
Email: plapner@toh.on.ca
Notes Target no. of participants was 160
Discrepancies between the published protocol and the trial registration document:
  1. Protocol includes acute 3‐ or 4‐ part proximal humeral fracture but trial registration also includes 2‐part fracture

  2. Emphasis on outcomes is different