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. 1991 Apr;63(4):495–498. doi: 10.1038/bjc.1991.118

The effects of intra-arterial vasoconstrictors on the distribution of a radiolabelled low molecular weight marker in an experimental model of liver tumour.

D M Hemingway 1, T G Cooke 1, D Chang 1, S J Grime 1, S A Jenkins 1
PMCID: PMC1972334  PMID: 2021531

Abstract

Regional chemotherapy for colorectal liver metastases has not demonstrated a convincing survival benefit over systemic chemotherapy. This may be due to poor delivery of chemotherapeutic drugs to hypovascular liver tumour. Since vasoactive agents may influence hepatic blood flow this study investigated the effects of systemic and regional vasoconstrictors on the delivery of a regionally delivered marker in an experimental model of liver tumour. Systemic administration of angiotensin II caused a significant retention of marker in normal liver, but not in tumour compared to controls. Regional delivery of angiotensin II and phenylephrine caused significantly greater retention of marker in tumour than liver with an overall 4-fold increased retention of marker one minute after its injection. Ninety minutes after injection there was still significant retention of marker compared to control animals. Regional delivery of hepatic artery vasoconstrictors increase delivery of marker and may increase delivery of chemotherapeutic drug to liver tumour.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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