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  • Title: Hepatic arterial infusion with floxuridine and cisplatin: overriding importance of antitumor effect versus degree of tumor burden as determinants of survival among patients with colorectal cancer.
    Author: Patt YZ, Boddie AW, Charnsangavej C, Ajani JA, Wallace S, Soski M, Claghorn L, Mavligit GM.
    Journal: J Clin Oncol; 1986 Sep; 4(9):1356-64. PubMed ID: 2943876.
    Abstract:
    Cisplatin (CDDP) was combined with floxuridine (FUDR) and delivered into the hepatic arteries of 29 patients as induction therapy for colorectal cancer metastatic to the liver. Mitomycin C and FUDR combination was substituted after progression or when response had peaked. Chemotherapy was delivered with an Infusaid pump (Infusaid Corp; Norwood, Mass; 14 patients), Medtronic programmable drug administration device (Medtronic, Inc, Minneapolis; two patients), or percutaneously placed catheters (13 patients). Complete disappearance of liver metastases was observed in four patients and 11 additional patients had a partial remission as determined by computed tomography (CT) scan and substantiated at times by angiography, for a total response rate of 52%. Response as determined by imaging techniques coincided with a concurrent decrease in carcinoembryonic antigen (CEA) and improvement in performance status. The severity of tumor burden was correlated with the response to therapy and survival. Among those patients who responded to arterial chemotherapy, differences in disease severity did not significantly influence survival. Median survival among responders with greater than 25% liver replacement by tumor was 14 months (P = .28), compared with 28 months for those patients with less than 25% liver replacement. In contrast, differences in tumor burden significantly affected survival among patients who failed to respond to chemotherapy; median survival among nonresponding patients with greater than 25% liver replacement was 4 months, compared with 8 months for those who had less than 25% liver replacement (P = .01). The presence of minimal extrahepatic disease at the time of initiation of intraarterial treatment did not seem to have a significant detrimental effect on survival. The study suggests that hepatic tumor response to arterial administration of CDDP and FUDR and mitomycin C and FUDR is clinically significant because it overrides the effect of tumor burden on survival among patients who have colorectal cancer with liver metastases and may offer effective palliation.
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