Translating efficacy of liver transplantation in liver-limited metastatic colorectal cancer into clinical practice: the TransMet trial.

Pioneer studies suggested that liver transplantation (LT) has the potential to provide long-term survival in patients with liver-limited metastatic colorectal cancer (mCRC) not amenable for surgery of metastases. Evidence, however, was limited to single-arm studies with few patients enrolled and suboptimal selection criteria, with concerns over access to organ availability overcoming the potential efficacy of LT in this setting. Recently, 5-year survival rates with chemotherapy followed by LT (73%) compared with chemotherapy alone (9%) have been demonstrated by the randomized TransMet trial, enrolling 94 definitively unresectable strictly selected liver-limited mCRC patients. These findings should now prompt clinical oncologists to reconsider LT as a valuable option for unresectable liver-limited mCRC patients meeting TransMet criteria, and transplantation agencies to adapt their policies of access to organ donation.

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