Clinical trial Recruiting at 17 sites Observational Ages 18 and up

Assessing blood tests for lung transplant rejection

Official title: Trifecta-Lung cfDNA-MMDx Study: Comparing the Dd-cfDNA Test to MMDx Microarray Test and Central HLA Antibody Test

Run by University of Alberta · NCT05837663 · Data updated 2026-11-12

This study is testing if new blood tests can help doctors better detect lung transplant rejection by comparing them to traditional biopsy methods.

Quick facts

Study typeObservational
Ages18 Years and up
SexAll
Enrollment600 (estimated)
SponsorUniversity of Alberta
Academic / other
Locations19 sites (Phoenix, Arizona and 18 other locations)
StatusRecruiting
StartedNovember 1, 2023
Main results expectedNovember 2027
Study endsDecember 2028
Registry record updatedNovember 2, 2026
Trial IDNCT05837663 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are adult lung transplant recipients who can provide informed consent.

Probably not a fit

Patients who are unable to give informed consent, those with multiple organ transplants, cancer patients, and pregnant women may 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 observational study aims to explore the relationship between donor-derived cell-free DNA (dd-cfDNA) levels and HLA antibodies in lung transplant recipients. It seeks to evaluate the effectiveness of the Molecular Microscope® Diagnostic System (MMDx) in analyzing biopsy samples and blood tests to improve the accuracy of rejection assessments. By comparing traditional biopsy methods with new blood tests, the study hopes to enhance patient safety and diagnostic precision in lung transplantation. The research will involve multiple institutions to gather comprehensive data on lung transplant outcomes.

Why it matters

Potential benefit: If successful, this study could lead to more accurate and less invasive methods for monitoring lung transplant rejection.

How similar studies have gone: Previous studies using similar approaches in kidney transplantation have shown promising results, indicating potential for success in lung transplantation as well.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

Adult, Older adult

Exclusion Criteria:

Patients will be excluded from the study if they decline participation Are unable to give informed consent. Recipients of multiple organs, cancer patients and pregnant women

Where it's running

  • St. Joseph's Hospital and Medical Center 350 West Thomas Road, Floor 8HLT
    Phoenix, Arizona, United States
    Recruiting
  • Division of Pulmonary, Critical Care and Sleep Medicine, University of Florida, College of Medicine
    Gainesville, Florida, United States
    Recruiting
  • Mayo Clinic Florida, 4500 San Pablo Rd
    Jacksonville, Florida, United States
    Recruiting
  • Indiana University Methodist Hospital 1812 N. Capitol Ave Suite W131L
    Indianapolis, Indiana, United States
    Recruiting
  • Johns Hopkins Interventional Pulmonology, Sheikh Zayed Tower, Room 7125L, 1800 Orleans Street
    Baltimore, Maryland, United States
    Recruiting
  • Division of Pulmonary, Allergy & Critical Care Medicine Columbia University Irving Medical Center
    New York, New York, United States
    Recruiting
Show 13 more locations
  • The Ohio State University Wexner Medical Center, 410 W 10th Ave
    Columbus, Ohio, United States
    Recruiting
  • BAYLOR SCOTT & WHITE RESEARCH INSTITUTE , 3409 Worth Street
    Dallas, Texas, United States
    Recruiting
  • UT Southwestern Medical Center, 5939 Harry Hines Blvd.
    Dallas, Texas, United States
    Recruiting
  • Houston Methodist Lung Transplant Center, 6550 Fannin St., SM1001
    Houston, Texas, United States
    Recruiting
  • UT Health San Antonio 7703 Floyd Curl Drive, MSC: 7858
    San Antonio, Texas, United States
    Recruiting
  • The Alfred Hospital, Monash University
    Melbourne, Australia
    Recruiting
  • Department of Medicine, University of Alberta
    Edmonton, Alberta, Canada
    Recruiting
  • Alberta Transplant Applied Genomics Centre, University of Alberta
    Edmonton, Alberta, Canada
    Recruiting
  • University Health Network, Toronto General Hospital
    Toronto, Ontario, Canada
    Recruiting
  • Motol University Hospital, V Uvalu 84
    Prague, Czechia
    Recruiting
  • Charles University/Hospital Motol
    Prague, Czechia
    Recruiting
  • USF Health, Morsani College of Medicine, 12901 Bruce B. Downs Blvd. MDC40
    Tampa, Florida, United States
    Not yet recruiting
  • Department of Thoracic Surgery, Medical University of Vienna
    Vienna, Austria
    Not yet recruiting

Study contacts

  • Principal investigator: Philip F Halloran, MD PhD — Alberta Transplant Applied Genomics Centre, University of Alberta
  • Study coordinator: Konrad S Famulski, PhD DSc
  • Email: konrad@ualberta.ca
  • Phone: 1 780 782 9463

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.