Planned Semi-Elective Lung Tx Study

Study Overview
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Brief Summary
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When suitable donor lungs become available for a consented recipient, and the donor cross clamp time occurs between 6pm and 4am, the transplant procedure (anesthesia starting time) will be allowed to be moved to a 6am start or later with the lungs being preserved at 10C cold static preservation upon organ arrival to our hospital using a specific refrigerator. The maximum allowed time between donor cross clamp and recipient anesthesia initiation will be 12h.

Official Title
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Planned Semi-Elective Lung Transplantation Using 10C Cold Static Preservation: A Proof-Of-Concept Study

Conditions
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To Compare Lung Transplant Outcomes Between Study Patients and Standard Patients Who Have Already Undergone Lung Transplantation by Conventional Procedures, Lung Transplant

Intervention / Treatment
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* Procedure: Experimental: Preserving of Donor Lungs


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Primary lung transplantation Informed consent provided Donor Inclusion: Age<70 Exclusion Criteria: Re-transplantation Multi-organ transplantation Donor exclusion criteria: Age >70y Concerns with organ preservation technique

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 70 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Other
Allocation: Non-Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Interventional arm<br>During our study period, transplants with a planned recipient anesthesia starting time between 10:00pm-6:00am will be allowed to move to a 6:00-8:00am start at the earliest. To be eligible, donor lungs cross clamp time have to occur between 6pm and 4am and lungs need to be suitable for transplantation without the need for ex vivo lung evaluation. Lungs meeting criteria for direct transplantation will be transported in the usual fashion in a cooler of ice at 4oC and upon arrival to Shands UF Health they will immediately be transferred to cold static preservation at 10oC within a specific refrigerator placed in the Shands UF Health OR. The maximum preservation time from donor cold flush (cross clamp) to recipient anesthesia start should be 12 hours and the recipient procedure should not start before 6am. | Procedure: Experimental: Preserving of Donor Lungs<br>* lung transplants that have a proposed after hours start time will be delayed until 6am and the donor lungs will be preserved for no more than 12 hours at 10 degrees celsius cold static<br>|
| No Intervention: Retrospective arm<br>Outcomes will be compared to conventional transplant patients matched by age, medical diagnosis, BMI, lung allocation score and donor type ( DCD vs. NDD) using a 1:2 matching. | |

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Incidence of ISHLT Primary Graft Dysfunction Grade 3 at 72 hours (expected rate less than 20%) |  | 72 hours post op | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| 1-year survival |  | procedure up to 1 year post op |