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Chemotherapy. 2005 Mar;51(1):1-8. Epub 2005 Feb 17.

Pharmacokinetics of the antineoplastic drug mitomycin C in regional chemotherapy using the aortic stop flow technique in advanced pancreatic carcinoma.

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  • 1Department of General Surgery, University Hospital, Magdeburg, Germany. frank.meyer@medizin.uni-magdeburg.de

Abstract

BACKGROUND:

An isolated perfusion may lead to a higher concentration of cytostatics within the target tissue, which can be associated with a high response rate and longer survival in addition to a low rate of side effects in comparison with systemic palliative chemotherapy. The aim of the present study was to investigate the pharmacokinetics of mitomycin C utilizing the aortic stop flow technique with commercially available tools in patients with advanced pancreatic carcinoma.

METHODS:

Seventeen patients with unresectable or metastasized pancreatic carcinoma (diagnosed by histological investigation) underwent a 20-min hypoxic perfusion of the isolated abdominal compartment with 20 mg/m2 mitomycin C (Mitomedac, medac, Hamburg, Germany) 22 times. Cytostatic concentration was determined intrainterventionally within the systemic and regional compartment.

RESULTS:

The mitomycin C concentration was 10 times higher within the regional compared with the systemic compartment at its maximum. The area under the curve was 4.02 times greater. Toxicity was considerable, i.e. WHO grade I/II in 8 of 17 cases, and III/IV in 9 of 17 cases. Two treatment-related deaths were documented. The objective response rate was 17.6% (3 of 17 cases; 1 complete remission, 2 partial remissions). In 3 subjects, stable disease was registered, and in 11 individuals, tumor progression. The median survival was 4.1 months.

CONCLUSION:

Though high concentrations of the cytostatic drug were achieved within the regional compartment, the aortic stop flow technique was associated with a high toxicity rate but no improvement of tumor response and survival in comparison with systemic chemotherapy. Despite its pharmacokinetic advantages, the aortic stop flow technique is currently not recommendable for routine use.

Copyright 2005 S. Karger AG, Basel.

PMID:
15722626
[PubMed - indexed for MEDLINE]
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