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The therapeutic options for hepatocellular carcinoma (HCC) have been so far rather inadequate.Sorafenib has shown an overall survival benefit and has become the new standard of care for advanced HCC.Nevertheless,in clinical practice,some patients are discontinuing this drug because of side effects,and misinterpretation of radiographic response may contribute to this.We highlight the importance of prolonged sorafenib ad-ministration,even at reduced dose,and of qualitative and careful radiographic evaluation.We observed two partial and two complete responses,one histologically confirmed,with progression-free survival ranging from 12 to 62 mo.Three of the responses were achieved following substantial dose reductions,and a gradual change in lesion density preceded or paralleled tumor shrinkage,as seen by computed tomography.This report supports the feasibility of dose adjustments to allow prolonged administration of sorafenib,and highlights the need for new imaging criteria for a more appropriate characterization of response in HCC.
The therapeutic options for hepatocellular carcinoma (HCC) have been so far rather inadequate. Sorafenib has shown an overall survival benefit and has become the new standard of care for advanced HCC. Yet, in clinical practice, some patients are discontinuing this drug because of side effects, and misinterpretation of radiographic response may contribute to this. We highlight the importance of prolonged sorafenib ad-ministration, even at reduced dose, and of qualitative and careful radiographic evaluation .We observed two partial and two complete responses, one histologically confirmed, with progression-free survival ranging from 12 to 62 mo.Three of the responses were achieved the following dose reductions, and a gradual change in lesion density preceded or paralleled tumor shrinkage, as seen by computed tomography. This report supports the feasibility of dose adjustments to allow prolonged administration of sorafenib, and highlights the need for new imaging criteria for a more appr opriate characterization of response in HCC.