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Active, not recruitingNCT06263023OPTIMALUpdated Apr 2, 2025

A Central Preservation and Assessment Service to Optimize Donor Kidney Allocation

An observational study in Organ Preservation, sponsored by 34 Lives, PBC. Active, not recruiting at 8 sites in United States. Open to participants aged 16 Years to 75 Years. Per ClinicalTrials.gov, last updated 2025-04-02.

Sponsored by 34 Lives, PBC · Observational

Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
80
Ages
16 Years to 75 Years
Sex
All
01

Study summary

This is a study to collect information to assess if transporting hard-to-place (HTP) donor kidneys to a central preservation and assessment facility with dedicated organ assessment capabilities increases allocation success to transplant hospitals.

Read the detailed description

This is an Observational study of a centralized kidney assessment facility providing brief sub-normothermic machine perfusion (SNMP) to HTP donor kidneys to provide transplant centers additional information for accepting HTP kidneys.

This study is intended to collect data to evaluate the feasibility of a dedicated central service to determine if additional assessment data helps increase allocation to transplant centers. Transplantation will follow standard-of-care at each transplant center, including required post-transplant data collection, which must be reported to the OPTN registry by the center.

02

Conditions studied

  • Organ Preservation

Keywords

  • SNMP
  • Preservation
  • Transplantation
  • Kidney
03

In context

Lead sponsor

This is the only study on the registry with 34 Lives, PBC as lead sponsor.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
16 Years to 75 Years
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

The study population includes hard-to-place (HTP) deceased donor kidneys retrieved from donation after brain death (DBD) and donation after circulatory death (DCD) donors aged 16- 75.

Eligibility criteria

Donor Kidney Inclusion Criteria:

  • Be considered HTP, by receiving refusals from every transplant center within the 250 nm allocation radius or similar definition by the local OPO.
  • From a Male or female deceased donor, aged 16- 75 years old.
  • Kidney initially procured, preserved, and packaged with intent to transplant.
  • LAP provides informed consent for organ donation for transplant and research purposes.
  • The HTP donor kidney must be allocated to a participating transplant center by a participating OPO, and the transplant center makes the decision to send kidney to Sponsor's central preservation and assessment facility for SNMP assessment and preservation prior to determining suitability for allocation.

Donor Kidney Exclusion Criteria:

  • From a Donor with pre-admission diagnosis of end stage renal failure.
  • Obvious surgical damage to artery(s), vein(s), or ureter(s) preventing machine perfusion.
  • From a donor with confirmed HIV (+), HBVSAg (+) and/or HCV NAT (+) serology results.
  • No LAP consent for both transplant and research purposes.
  • Cannot arrive to Sponsor's central preservation and assessment facility before reaching 24 hours of cold ischemic time (CIT).
05

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
80 participants (estimated)
Patient registry
No
Biospecimen retention
Samples with dna

Groups and cohorts

  • Hard-to-Place (HTP) Donor Kidneys

    The study will be open to all eligible HTP kidneys from male and female donors at all participating Organ Procurement Organization (OPO) study sites. Consent for both organ donation for transplant and medical research will be obtained from the legally authorized party (LAP) by the OPO Coordinator using industry standard consent procedures and documents.

    Other: Sub-Normothermic Machine Preservation and Assessment

Interventions

  • OtherSub-Normothermic Machine Preservation and Assessment

    Human kidneys from HTP deceased donors will be transported to the Sponsor's central preservation and assessment facility and placed onto a machine perfusion system in a sterile operating room for a brief period of Sub-Normothermic Machine Perfusion (SNMP). Basic parameters including internal renal resistance, oxygen, and electrolyte levels will be recorded using standard point-of-care hospital analyzers. Accepted kidneys will be transported to a participating transplant center using a portable oxygenated LifePort Hypothermic Machine Preservation (HMP) device.

06

What researchers measure

Primary outcomes

  1. Transplant Allocation Success

    The primary objective for this study is a 50% success rate or higher for allocation of Hard-to-Place (HTP) kidneys to a participating transplant center after sNMP assessment at the Sponsor's central facility.

    Time frame: 1 year

Secondary outcomes

  1. 7-Day Delayed Graft Function (DGF)

    Requirement for dialysis within first 7 days post-transplant

    Time frame: 7 days post-transplant

  2. Graft Survival

    Donor kidney survival

    Time frame: 1- and 3-months post-transplant

  3. Patient Survival

    Recipient survival

    Time frame: 1- and 3-months post-transplant

  4. Serum Creatinine (sCr)

    Recipient sCr

    Time frame: 1- and 3-months post-transplant

  5. eGFR

    Recipient estimated glomerular filtration rate

    Time frame: 1- and 3-months post-transplant

  6. Long term data collection- Graft Survival

    Graft survival

    Time frame: Annually, up to 3-years post-transplant

  7. Long term data collection- Patient Survival

    Patient survival

    Time frame: Annually, up to 3-years post-transplant

  8. Long term data collection- Serum Creatinine

    Recipient sCr

    Time frame: Annually, up to 3-years post-transplant

  9. Long term data collection- eGFR

    Recipient estimated glomerular filtration rate

    Time frame: Annually, up to 3-years post-transplant

07

Study locations

8 sites
  • Edward Hines, Jr. VA Hospital
    Chicago, Illinois 60141, United States
  • Indiana University Health
    Indianapolis, Indiana 46202, United States
  • Barnes-Jewish Hospital
    St. Louis, Missouri 63110, United States
  • Erie County Medical Center
    Buffalo, New York 14215, United States
  • New York University Langone
    New York, New York 10016, United States
  • The Mount Sinai Hospital
    New York, New York 10029, United States
  • Duke University
    Durham, North Carolina 27710, United States
  • University of Wisconsin School of Medicine and Public Health
    Madison, Wisconsin 53792, United States
08

References and documents

Publications

  • Kayler LK, Nie J, Noyes K. Hardest-to-place kidney transplant outcomes in the United States. Am J Transplant. 2021 Nov;21(11):3663-3672. doi: 10.1111/ajt.16739. Epub 2021 Jul 20. PubMed 34212471 ↗
  • Hosgood SA, Callaghan CJ, Wilson CH, Smith L, Mullings J, Mehew J, Oniscu GC, Phillips BL, Bates L, Nicholson ML. Normothermic machine perfusion versus static cold storage in donation after circulatory death kidney transplantation: a randomized controlled trial. Nat Med. 2023 Jun;29(6):1511-1519. doi: 10.1038/s41591-023-02376-7. Epub 2023 May 25. PubMed 37231075 ↗
  • Minor T, von Horn C, Gallinat A, Kaths M, Kribben A, Treckmann J, Paul A. First-in-man controlled rewarming and normothermic perfusion with cell-free solution of a kidney prior to transplantation. Am J Transplant. 2020 Apr;20(4):1192-1195. doi: 10.1111/ajt.15647. Epub 2019 Nov 10. PubMed 31599063 ↗

Individual participant data

Plan to share: No — Standard data will be obtained from the Organ Procurement and Transplantation Network (OPTN), which is readily available to the public via request to the Health Resources Service Administration (HRSA), in de-identified form to protect privacy. These standard data include information about the organ donor, preservation procedure, the recipient's kidney transplant, and post-operative follow-up.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Apr 2, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT06263023
Lead sponsor
34 Lives, PBC
Collaborators
Indiana University Health, University of Miami, MOUNT SINAI HOSPITAL, University of Wisconsin, Madison, Erie County Medical Center, Buffalo, NY, Duke University Hospital, USA, Barnes-Jewish Hospital, Edward Hines Jr. VA Hospital
Responsible party
Sponsor
First posted
Feb 16, 2024
Start date
Apr 19, 2024
Primary completion
Mar 25, 2025
Completion
Mar 25, 2028 (estimated)
Last update
Apr 2, 2025

Study contacts

Chris Jaynes
principal investigator · 34 Lives, PBC (Sponsor)

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is active, not recruiting, as verified in Mar 2025. You cannot join it, but the record below documents what was studied.

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