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Forty patients with unresectable colorectal metastases confined to the liver were evaluated in a phase II study. 5-Fluorouracil (5-FU) was delivered via a surgically placed hepatic artery catheter. Patients received folinic acid (200 mg m-2) intravenously over 2 h followed by a loading dose of intra-arterial 5-FU (400 mg m-2) over 15 min, then 5-FU (1600 mg m-2) by intra-arterial infusion over the following 22 h. This was repeated on day 2 and the whole schedule was repeated every 2 weeks. Response was assessed after six treatments. The median follow-up was 17 months. Overall response rate was 46% with 8% complete response. Estimated median survival is 19 months. Site of progression was the liver alone in 55%, liver and lung in another 16% and 29% in other sites. Eight patients experienced grade 3 or 4 toxicity. The response rate of this regimen compares favourably with reported trials of intra-arterial FUDR, and our schedule is currently being compared with a similar schedule of intravenous 5-FU and folinic acid in a randomized Medical Research Council trial (CR05).

Original publication




Journal article


Br J Cancer

Publication Date





1390 - 1393


Adult, Aged, Antimetabolites, Antineoplastic, Colorectal Neoplasms, Female, Fluorouracil, Humans, Infusions, Intra-Arterial, Leucovorin, Liver Neoplasms, Male, Middle Aged