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BackgroundTraumatic brain injury is a leading cause of death and disability worldwide. Laboratory and clinical studies demonstrate a possible beneficial effect of erythropoietin in improving outcomes in the traumatic brain injury cohort. However, there are concerns regarding the association of erythropoietin and thrombosis in the critically ill. A large-scale, multi-centre, blinded, parallel-group, placebo-controlled, randomised trial is currently underway to address this hypothesis.Methods/designThe erythropoietin in traumatic brain injury trial is a stratified prospective, multi-centre, randomised, blinded, parallel-group, placebo-controlled phase III trial. It aims to determine whether the administration of erythropoietin compared to placebo improves neurological outcome in patients with moderate or severe traumatic brain injury at six months after injury. The trial is designed to recruit 606 patients between 15 and 65 years of age with severe (Glasgow Coma Score: 3 to 8) or moderate (Glasgow Coma Score: 9 to 12) traumatic brain injury in Australia, New Zealand, Kingdom of Saudi Arabia, France, Finland, Germany and Ireland. Trial patients will receive either subcutaneous erythropoietin or placebo within 24 hours of injury, and weekly thereafter for up to three doses during the intensive care unit admission. The primary outcome will be the combined proportion of unfavourable neurological outcomes at six months: severe disability or death. Secondary outcomes will include the rate of proximal deep venous thrombosis detected by compression Doppler ultrasound, six-month mortality, the proportion of patients with composite vascular events (deep venous thrombosis, pulmonary embolism, myocardial infarction, cardiac arrest and cerebrovascular events) at six months and quality of life with health economic evaluations.DiscussionWhen completed, the trial aims to provide evidence on the efficacy and safety of erythropoietin in traumatic brain injury patients, and to provide clear guidance for clinicians in their management of this devastating condition.Trial registrationAustralian New Zealand Clinical Trials registry: ACTRN12609000827235 (registered on 22 September 2009). Clinicaltrials.gov: NCT00987454 (registered on 29 September 2009). European Drug Regulatory Authorities Clinical Trials: 2011-005235-22 (registered on 18 January 2012).

Original publication

DOI

10.1186/s13063-014-0528-6

Type

Journal

Trials

Publication Date

08/02/2015

Volume

16

Addresses

Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive Medicine, Monash University, 99 Commercial Road, Melbourne, 3004, Australia. alistair.nichol@monash.edu.

Keywords

EPO-TBI Investigators and the Australian and New Zealand Intensive Care Society Clinical Trials Group, Humans, Brain Injuries, Thromboembolism, Erythropoietin, Ultrasonography, Doppler, Clinical Protocols, Data Interpretation, Statistical, Sample Size, Adolescent, Adult, Aged, Middle Aged, Outcome Assessment, Health Care