Journal
CANCERS
Volume 13, Issue 7, Pages -Publisher
MDPI
DOI: 10.3390/cancers13071617
Keywords
liver transplantation; recurrent hepatocellular carcinoma; immunosuppression; long-term follow-up; surgical tumor resection
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Liver transplantation is a curative option for hepatocellular carcinoma, but recurrence after transplant can lead to limited survival. This study found that reducing immunosuppression after recurrence diagnosis can improve patient survival, suggesting the need for further investigation in this area.
Simple Summary Liver transplantation is a curative treatment option for a subset of patients with hepatocellular carcinoma (HCC). However, about twenty percent of patients develop recurrence in the graft or at extrahepatic sites, which is associated with limited therapeutic options and poor survival. To date, management of the immunosuppressive regimen after recurrence and its impact on survival are unknown. In this retrospective study, we analyzed a cohort of liver recipients with HCC recurrence. Our findings indicate that reduction of immunosuppressive therapy after diagnosis of recurrence has a beneficial impact on patient survival. Therefore, we propose further investigation into the management of immunosuppressive therapy following recurrence. Introduction: Recurrence of hepatocellular carcinoma (rHCC) after liver transplantation (LT) is associated with limited survival. Therefore, identification of factors that prolong survival in these patients is of great interest. Surgical resection, radiotherapy, and transarterial chemoembolization (TACE) are established interventions to improve outcomes in these patients; however, the impact of immunosuppression is unknown. Methods: All patients diagnosed with rHCC in the follow-up after LT were identified from a database of liver recipients transplanted between 1988 and 2019 at our institution (Charite Universitatsmedizin Berlin, Germany). Based on the immunosuppressive regimen following diagnosis of rHCC and the oncological treatment approach, survival analysis was performed. Results: Among 484 patients transplanted for HCC, 112 (23.1%) developed rHCC in the follow-up. Recurrent HCC was diagnosed at a median interval of 16.0 months (range 1.0-203.0), with the majority presenting early after transplantation (63.0%, <2 years). Median survival after rHCC diagnosis was 10.6 months (0.3-228.7). Reduction of immunosuppression was associated with improved survival, particularly in patients with palliative treatment (8.4 versus 3.0 months). In addition, greater reduction of immunosuppression seemed to be associated with greater prolongation of survival. Graft rejection after reduction was uncommon (n = 7, 6.8%) and did not result in any graft loss. Patients that underwent surgical resection showed improved survival rates (median 19.5 vs. 8.7 months). Conclusion: Reduction of immunosuppressive therapy after rHCC diagnosis is associated with prolonged survival in LT patients. Therefore, reduction of immunosuppression should be an early intervention following diagnosis. In addition, surgical resection should be attempted, if technically feasible and oncologically meaningful.
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