Table 1.

Trial registration data

Data category	Information
Primary registry and trial identifying number	https://www.anzctr.org.au, ACTRN12618001431213
Date of registration in primary registry	27/08/2018
Secondary identifying numbers	None
Source of monetary or material support	Smith & Nephew Pty Ltd
Primary sponsor	Royal Adelaide Hospital, Department of Orthopaedics & Trauma Contact person: MR (mark.rickman@sa.gov.au) Smith & Nephew Inc Orthopaedic Division (SN)
Secondary sponsor	University of Adelaide, Centre for Orthopaedic & Trauma Research Contact person: AS (arjun.sivakumar@adelaide.edu.au) Contact person: DT (dominic.thewlis@adelaide.edu.au)
Contact for public queries	MR (mark.rickman@sa.gov.au)
Contact for scientific queries	DT (dominic.thewlis@adelaide.edu.au)
Public title	Evaluating the treatment methods of proximal femur fractures in elderly patients with trauma
Scientific title	A multicentre, single-blinded prospective RCT of the Gamma3 intramedullary nail to the unlocked and locked Intertan intramedullary nail for the treatment of proximal femur fractures
Countries of recruitment	Australia
Health problem studied	Proximal femur fracture
Interventions	Gamma3 trochanteric nail (unlocked proximally) Trigen Intertan Trochanteric nail (unlocked proximally) Trigen Intertan Trochanteric nail (locked proximally)
Key inclusion and exclusion criteria	Inclusion criteria: traumatic extracapsular hip fracture, closed injury, patient aged over 60 years, ability to be followed for up to 6 months, presentation to hospital within 14 days of injury Exclusion criteria: patients with concomitant injuries affecting treatment and rehabilitation of the affected limb, patients with associated neurovascular injuries requiring immediate surgery, patients where consent is refused, patients with limited English proficiency including family members
Study type	RCT
Date of first enrolment	05/09/2018
Target sample size	900
Recruitment status	Recruiting
Primary Outcome	Construct failure (time point: up to 6 months after intervention)
Key secondary outcomes	Incidence of Injury specific complications (time point: 6 months) Functional independence (time point: 6 months) Reoperation incidence (time point: 6 months) Return to mobility circumstances (time point: 6 months) Hip joint range of motion (time point: 6 months) Hip joint contact forces (time point: 6 months) Postoperative hip muscle function (abductors, flexors, extensors; time point: 6 months)

RCT, randomised controlled trial.