Study

Recruiting Not a phased study

Sources: ClinicalTrials.gov Checked: 11 October 2026 Not medical advice

This trial at a glance

Status Recruiting
Phase Not a phased study
Sponsor Unity Health Toronto
Registry number NCT04754022
Started 1 November 2021 Today 16 October 2026 Estimated completion 1 December 2025

Past estimated completion. The registry still lists this trial as open, and the date it gave for finishing has been and gone. Confirm with the official record before you act on it.

Where this trial is running

Trial sites and the status recorded for each
SiteCityState or countryStatus at this site
Royal Adelaide Hospital Adelaide SA Recruiting
Royal Prince Alfred hospital Camperdown NSW Recruiting
Prince of Wales Hospital Randwick NSW Recruiting
Westmead Hospital Westmead NSW Recruiting
Gold Coast University Hospital Southport QLD Recruiting
Flinders Medical Centre Bedford Park SA Recruiting
Monash Health Clayton VIC Recruiting
St Vincent's Hospital Melbourne Fitzroy VIC Recruiting
Austin Health Heidelberg VIC Recruiting
Royal Melbourne Hospital Melbourne Australia Recruiting
Alfred Hospital Prahran VIC Recruiting

voxsanity.com.au · trial sites from public registries · registry record synced 11 October 2026 · not medical advice

Who can join

Age 18 Years to 65 Years
Sex Anyone, regardless of sex
Healthy volunteers Not accepted
Enrolment target 1440

The official eligibility criteria

Registry text, reproduced exactly. These are the words the trial's sponsor published on ClinicalTrials.gov. They have not been edited, shortened or rewritten, and they are written for researchers rather than for patients.

Inclusion Criteria:

1. ≥18 and ≤65 years of age

2. Planned cardiac surgery using cardiopulmonary bypass

3. Informed consent obtained

4. Preoperative European System for Cardiac Operative Risk Evaluation (EuroSCORE I) of 6 or more

Exclusion Criteria:

1. Patients who refuse participation

2. Patients who are unable to receive or who refuse blood products

3. Patients who are involved in a preoperative autologous pre-donation program

4. Patients who are having a heart transplant or having surgery solely for an insertion of a ventricular assist device

5. Pregnancy or lactation (a negative pregnancy test must be obtained prior to randomization for women of childbearing potential)

Dates on the record

Started 1 November 2021
Estimated completion 1 December 2025
Registry last updated 21 November 2024
Checked by Voxsanity 11 October 2026

Results, publications and the official record

Sources and dates

  • ClinicalTrials.gov – the record this page reformats
  • ClinicalTrials.gov processing date: 21 November 2024.
  • This page last checked by Voxsanity: 11 October 2026.

Voxsanity reformats data from public registries into this layout. It does not edit, interpret or add to what the registry published.

Not medical advice.

Individual trial records are refreshed on a rolling basis rather than all at once, so a record may be up to several weeks old. Each trial page and trial card shows the date its own record was last synced. Where a record has lagged, its status, sites and enrolment can differ from the current registry state in either direction, so check the registry link on the trial page before acting on them.

Letter for your doctor

A one-page summary of this trial to print or email to your GP. It carries the registry's own record of the trial and its eligibility criteria, and nothing Voxsanity has written about whether it suits you.