RESTORE Declined Livers Study

Status Recruiting

Clinical Trial Summary

This is a prospective, non-randomized, clinical trial of discarded liver transplants that have received normothermic machine perfusion (NMP), compared with standard cold preservation liver transplants. The discarded livers rejected by all other centers and meeting pre-NMP eligibility criteria will receive NMP using the OrganOx® metra device. The NMP-treated liver that meets the viability criteria will be transplanted to patients who are eligible and consented to the study. Liver transplant outcomes will be ascertained during 12 months post-transplantation. The results of the trial will be compared with those of contemporary comparison groups of patients who received the standard criteria donor liver transplantation.

Clinical Trial Description

This is a single center, prospective, non-randomized, clinical trial to assess the feasibility of successful transplantation of NMP-treated livers to patients. First, up to 71 marginal livers declined for transplantation will be treated with NMP using the OrganOx® metra device and tested for viability using previously defined criteria. NMP-treated viable livers will be subsequently transplanted to patients (n=5 in the 1st stage; additional 10 transplantation in the 2nd stage; additional 10 transplantation in the 3rd stage: total N=25). Patients will be closely followed for clinical outcomes of the transplantation during 6 months post-transplantation. The follow-up will also be extended up to 1 year post-transplantation. The trial will compare the results to those of three comparison groups - 1) matched patients who received liver transplantation at Washington University/Barnes Jewish Hospital; 2) matched patients who received DBD liver transplantation in the OPTN/UNOS database; and 3) matched patients who received DCD liver transplantation in the OPTN/UNOS database. Given that patient safety is the priority, the trial uses a multi-stage design in which the study stops earlier when NMP-treated liver transplantation is observed to be ineffective (see trial schema in Section 3.1). ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04483102
Study type	Interventional
Source	Washington University School of Medicine
Contact	Kathleen McDonnell, RN, BSN
Phone	(314) 362-3791
Email	kathleenm@wustl.edu
Status	Recruiting
Phase	N/A
Start date	December 3, 2020
Completion date	September 2026

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.