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Younger Age is Associated with Improved Survival in Patients Undergoing Liver Transplantation Alone for Metastatic Neuroendocrine Tumors

R. Gedaly, D. Valvi, X. Mei, M. Gupta, M. Shah, A. Ancheta, F. Marti

University of Kentucky, Lexington, KY

Meeting: 2020 American Transplant Congress

Abstract number: 150

Keywords: Liver transplantation, Outcome, Tumor recurrence

Session Information

Session Name: Liver: Hepatocellular Carcinoma and Other Malignancies I

Session Type: Oral Abstract Session

Date: Saturday, May 30, 2020

Session Time: 3:15pm-4:45pm

 Presentation Time: 4:27pm-4:39pm

Location: Virtual

*Purpose: Neuroendocrine tumor (NET) metastases are a major cause of morbidity and mortality. The role of liver transplantation to treat unresectable metastases from NET is controversial.

*Methods: We evaluated outcomes of all patients undergoing ‘isolated’ liver transplantation (LT) for metastatic NETs in the United States, from October 1988, through June 2018 using the UNOS dataset.

*Results: During the study period, 160,360 LTs were performed. Two-hundred and six adult patients underwent ‘isolated’ LT for metastatic NETs. The mean (SD) age was 48.2 (11.7) years, ranging from 19 to 75 years, 117 (56.8%) patients were male. Overall 1-, 3-, 5- and 10- year patient survival rates were 89.1%, 75.3%, 64.9% and 46.1%, respectively. Tumor recurrence was seen in 70 of 206 patients who underwent LT (34%). The median time to recurrence was 28 months (range, 1 to 192 months) and median wait time for LT was 112 days. Tumor recurrence was significantly higher in transplanted patients waiting less than 6 months compared to those waiting more than 6 months (74.3 % vs. 25.7%). Patients’ age ≤ 45 years had significantly better survival compared to those > 45 years (p=0.03). Younger patients with carcinoid tumors had better survival but this trend was not observed in the non-carcinoid group. On multivariable analysis, recipient age, donor age, cold ischemic time MELD score, tumor recurrence were significant predictors of poor patient survival.

*Conclusions: Waiting time longer than 6 months is associated to lower rates of tumor recurrence. Younger patients ≤ 45 years had significantly improved survival after LT for NET metastases.

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To cite this abstract in AMA style:

Gedaly R, Valvi D, Mei X, Gupta M, Shah M, Ancheta A, Marti F. Younger Age is Associated with Improved Survival in Patients Undergoing Liver Transplantation Alone for Metastatic Neuroendocrine Tumors [abstract]. Am J Transplant. 2020; 20 (suppl 3). https://atcmeetingabstracts.com/abstract/younger-age-is-associated-with-improved-survival-in-patients-undergoing-liver-transplantation-alone-for-metastatic-neuroendocrine-tumors/. Accessed May 9, 2025.

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