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Optimization of Donor-Recipient Matching in Lung Transplantation

NCT ID: NCT05195853

Last Updated: 2022-12-30

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Total Enrollment

500 participants

Study Classification

OBSERVATIONAL

Study Start Date

2022-01-15

Study Completion Date

2023-12-31

Brief Summary

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Lung transplantation is the curative treatment for end-stage respiratory failure involving highly selected patients. In 2018, the International Transplant Registry counts 69200 lung transplants among 260 transplant centers. Between 2010 and June 2017, the 3-month survival rate of patients after lung transplantation is 90%. The causes of early death are primary graft failure, renal failure, infections, acute rejection (cellular or humoral), surgical complications. The median survival is 6.7 years and the median conditioned survival at 1 year is 8.9 years. Bronchiolitis obliterans is the leading cause of death after 1 year; it affects 10% more patients each year and peaks at 5 years at more than 50% of transplanted patients. These results encourage transplant professionals to continue their efforts to improve the prognosis of transplantation. Among these, the optimization of graft matching, taking into account the characteristics of the donor and the recipient, constitute a relevant avenue of study. Several donor characteristics seem to play a role in the prognosis of the transplant. Survival at 12 months is significantly worse when the donor's age is greater than 50 years. There does not appear to be a significant difference in donor cause of death. Recipients of a graft exposed to smoking ≥ 20 pack-years have a 3% and 1.5% decreased survival at 1 and 5 years postoperatively.

Similarly, the 5-year survival of patients with conditional 1-year survival is poorer in case of other toxic exposures such as alcohol, cocaine, crack or marijuana. Analysis of international registry data also suggests a negative association between post-transplant survival and donor hypertension and diabetes. However, the biological mechanisms by which these factors affect survival remain unknown. Graft ischemia time is significantly associated with survival with a 5-year survival of 70% and 65% for grafts exposed to ischemia ≥ 4 hours or less. The cumulative effect of donor hypertension and ischemia time are appreciated by the fact that the best postoperative survival is observed in donors without hypertension and graft ischemia time ≥ 4 hours. Graft size is also associated with post-transplant prognosis, in front of a significant decrease in survival for patients with emphysema, chronic obstructive pulmonary disease, alpha-1 antitrypsin deficiency, transplanted with a smaller graft size.

This result is not found in patients transplanted for pulmonary fibrosis. One study has also suggested the negative role of a gender mismatch between donor and recipient on post-transplant survival, but there is currently no clear explanation for this result. The presence of antibodies to the recipient's HLA system \[DSA (donor-specific antibodies)\] in pre-transplant is a risk factor for hyperacute rejection and chronic graft dysfunction. Thus, the choice of matching between the donor and the recipient appears complex in view of the number of criteria to be taken into account which impact the duration of post-transplant survival in the short and medium term. The objective of the project is to develop a decision support tool, using artificial intelligence algorithms, to assist the thoracic surgeon in identifying the patient, among those registered on the team's waiting list, who could benefit most from a bi-pulmonary graft offered by the Biomedicine Agency.

Detailed Description

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Conditions

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Lung Transplant

Study Design

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Observational Model Type

COHORT

Study Time Perspective

RETROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* Patients who have received a bi-lung transplant performed by the Marie Lannelongue lung transplant team between January 1, 2007 and April 30, 2021 All indications for transplantation will be considered, including retransplantation.
* French-speaking patient

Exclusion Criteria

* Patient is a minor (\<18 years old) at the time of transplantation
* Patient's refusal to participate in the study
* Patient under guardianship or curatorship
* Patient deprived of liberty
* Patient under court protection
* Patient objecting to the use of his/her data for this research
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Fondation Hôpital Saint-Joseph

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Anne Buronfosse, MD

Role: PRINCIPAL_INVESTIGATOR

Fondation Hôpital Saint-Joseph

Locations

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Groupe Hospitalier Paris Saint-Joseph

Paris, , France

Site Status RECRUITING

Countries

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France

Central Contacts

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Anne Buronfosse, MD

Role: CONTACT

Phone: 144123873

Email: [email protected]

Helene BEAUSSIER, PharmD, PhD

Role: CONTACT

Phone: 0144127883

Email: [email protected]

Facility Contacts

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Anne Buronfosse, MD

Role: primary

References

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Leard LE, Holm AM, Valapour M, Glanville AR, Attawar S, Aversa M, Campos SV, Christon LM, Cypel M, Dellgren G, Hartwig MG, Kapnadak SG, Kolaitis NA, Kotloff RM, Patterson CM, Shlobin OA, Smith PJ, Sole A, Solomon M, Weill D, Wijsenbeek MS, Willemse BWM, Arcasoy SM, Ramos KJ. Consensus document for the selection of lung transplant candidates: An update from the International Society for Heart and Lung Transplantation. J Heart Lung Transplant. 2021 Nov;40(11):1349-1379. doi: 10.1016/j.healun.2021.07.005. Epub 2021 Jul 24.

Reference Type BACKGROUND
PMID: 34419372 (View on PubMed)

Chambers DC, Cherikh WS, Harhay MO, Hayes D Jr, Hsich E, Khush KK, Meiser B, Potena L, Rossano JW, Toll AE, Singh TP, Sadavarte A, Zuckermann A, Stehlik J; International Society for Heart and Lung Transplantation. The International Thoracic Organ Transplant Registry of the International Society for Heart and Lung Transplantation: Thirty-sixth adult lung and heart-lung transplantation Report-2019; Focus theme: Donor and recipient size match. J Heart Lung Transplant. 2019 Oct;38(10):1042-1055. doi: 10.1016/j.healun.2019.08.001. Epub 2019 Aug 8. No abstract available.

Reference Type BACKGROUND
PMID: 31548030 (View on PubMed)

Chambers DC, Zuckermann A, Cherikh WS, Harhay MO, Hayes D Jr, Hsich E, Khush KK, Potena L, Sadavarte A, Singh TP, Stehlik J; International Society for Heart and Lung Transplantation. The International Thoracic Organ Transplant Registry of the International Society for Heart and Lung Transplantation: 37th adult lung transplantation report - 2020; focus on deceased donor characteristics. J Heart Lung Transplant. 2020 Oct;39(10):1016-1027. doi: 10.1016/j.healun.2020.07.009. Epub 2020 Jul 30. No abstract available.

Reference Type BACKGROUND
PMID: 32782073 (View on PubMed)

Demir A, Coosemans W, Decaluwe H, De Leyn P, Nafteux P, Van Veer H, Verleden GM, Van Raemdonck D. Donor-recipient matching in lung transplantation: which variables are important?dagger. Eur J Cardiothorac Surg. 2015 Jun;47(6):974-83. doi: 10.1093/ejcts/ezu340. Epub 2014 Sep 3.

Reference Type BACKGROUND
PMID: 25187532 (View on PubMed)

Frost AE, Jammal CT, Cagle PT. Hyperacute rejection following lung transplantation. Chest. 1996 Aug;110(2):559-62. doi: 10.1378/chest.110.2.559.

Reference Type BACKGROUND
PMID: 8697867 (View on PubMed)

Brugiere O, Suberbielle C, Thabut G, Lhuillier E, Dauriat G, Metivier AC, Gautreau C, Charron D, Mal H, Parquin F, Stern M. Lung transplantation in patients with pretransplantation donor-specific antibodies detected by Luminex assay. Transplantation. 2013 Mar 15;95(5):761-5. doi: 10.1097/TP.0b013e31827afb0f.

Reference Type BACKGROUND
PMID: 23296148 (View on PubMed)

Snell GI, Yusen RD, Weill D, Strueber M, Garrity E, Reed A, Pelaez A, Whelan TP, Perch M, Bag R, Budev M, Corris PA, Crespo MM, Witt C, Cantu E, Christie JD. Report of the ISHLT Working Group on Primary Lung Graft Dysfunction, part I: Definition and grading-A 2016 Consensus Group statement of the International Society for Heart and Lung Transplantation. J Heart Lung Transplant. 2017 Oct;36(10):1097-1103. doi: 10.1016/j.healun.2017.07.021. Epub 2017 Jul 26. No abstract available.

Reference Type BACKGROUND
PMID: 28942784 (View on PubMed)

Seely AJ, Ivanovic J, Threader J, Al-Hussaini A, Al-Shehab D, Ramsay T, Gilbert S, Maziak DE, Shamji FM, Sundaresan RS. Systematic classification of morbidity and mortality after thoracic surgery. Ann Thorac Surg. 2010 Sep;90(3):936-42; discussion 942. doi: 10.1016/j.athoracsur.2010.05.014.

Reference Type BACKGROUND
PMID: 20732521 (View on PubMed)

Other Identifiers

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ADRTP

Identifier Type: -

Identifier Source: org_study_id