Clinical trial Recruiting at 13 sites Interventional Ages 18 and up

Comparing blood transfusion thresholds in patients on ECMO

Official title: Restrictive Versus Liberal Thresholds for Red Blood Cell Transfusion in ExtraCorporeal Membrane Oxygenation - the TREC Study

Run by Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) · NCT06560164 · Data updated 2026-11-12

This study tests whether giving fewer blood transfusions is safe and effective for adults on ECMO compared to giving more transfusions.

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment526 (estimated)
SponsorAcademisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
Academic / other
Locations14 sites (Vienna, State of Vienna and 13 other locations)
StatusRecruiting
StartedNovember 26, 2024
Main results expectedOctober 1, 2027
Study endsOctober 1, 2028
Registry record updatedAugust 14, 2026
Trial IDNCT06560164 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are adults aged 18 and older who are currently receiving ECMO support.

Probably not a fit

Patients who are not expected to survive for 24 hours or those who cannot receive blood products will not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study investigates the safety and efficacy of restrictive versus liberal thresholds for red blood cell transfusion in patients undergoing extracorporeal membrane oxygenation (ECMO). The research aims to determine whether a restrictive transfusion strategy can be safely applied to this vulnerable population, which often experiences anemia and requires transfusions. By comparing outcomes between the two approaches, the study seeks to provide evidence-based guidelines for transfusion practices in ECMO patients. The study will involve patients aged 18 and older who are currently receiving ECMO support.

Why it matters

Potential benefit: If successful, this study could lead to improved transfusion practices, reducing unnecessary blood transfusions and associated risks for patients on ECMO.

How similar studies have gone: Previous studies in critically ill populations have shown that restrictive transfusion strategies can be non-inferior to liberal ones, suggesting potential success for this approach in ECMO patients.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patient is aged 18 years or older;
* Is receiving ECMO;
* (Deferred) informed consent.

Exclusion Criteria:

* Not expected to survive for 24 hours when assessed;
* Inability to receive blood products;
* (Known) decline to blood transfusions (e.g., Jehovah's Witnesses);
* Extracorporeal carbon dioxide removal (ECCO2R) using low blood flow devices or pumpless devices (i.e., MINILUNG ®, PrismaLung+);
* Received ECMO over 48h before screening for eligibility.

Where it's running

  • MedUni Wien
    Vienna, State of Vienna, Austria
    Recruiting
  • Hôpital Erasme
    Brussels, Brussels Capital, Belgium
    Recruiting
  • KU Leuven, medical IC
    Leuven, Flemish Brabant, Belgium
    Recruiting
  • KU Leuven, surgical IC
    Leuven, Flemish Brabant, Belgium
    Recruiting
  • CHU Charleroi
    Charleroi, Hainaut, Belgium
    Recruiting
  • Medisch Spectrum Twente (MST)
    Enschede, Drenthe, Netherlands
    Recruiting
Show 8 more locations
  • Maastricht Universitair Medisch Centrum+ (MUMC+)
    Maastricht, Limburg, Netherlands
    Recruiting
  • Amsterdam UMC, location AMC
    Amsterdam, North Holland, Netherlands
    Recruiting
  • Universitair Medisch Centrum Groningen (UMCG)
    Groningen, Provincie Groningen, Netherlands
    Recruiting
  • Leids Universitair Medisch Centrum (LUMC)
    Leiden, South Holland, Netherlands
    Recruiting
  • Erasmus MC
    Rotterdam, South Holland, Netherlands
    Recruiting
  • St. Antonius Ziekenhuis
    Nieuwegein, Utrecht, Netherlands
    Recruiting
  • Karolinska Universtiy Hospital
    Stockholm, Stockholm County, Sweden
    Recruiting
  • Radboudumc
    Nijmegen, Gelderland, Netherlands
    Not yet recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.