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. 1991 Jul;64(1):114–119. doi: 10.1038/bjc.1991.252

Angiotensin II as a potential method of targeting cytotoxic-loaded microspheres in patients with colorectal liver metastases.

J A Goldberg 1, J A Thomson 1, M S Bradnam 1, J Fenner 1, R G Bessent 1, J H McKillop 1, D J Kerr 1, C S McArdle 1
PMCID: PMC1977313  PMID: 1854610

Abstract

Regional chemotherapy is commonly used to treat patients with colorectal liver metastases. However, improvement in survival has still not been demonstrated. Cytotoxic loaded albumin microspheres for arterial administration have been described as a means of improving the the therapeutic index, but their distribution depends upon the prevailing pattern of arterial blood-flow at the time of injection. In this study, the ability of the vasoactive drug angiotensin II to target arterially injected microspheres to colorectal liver metastases is assessed in nine patients using scintigraphic planar and tomographic imaging. The median tumour: normal ratio in nine patients with colorectal liver metastases was 3.4:1 before the administration of angiotensin II. The corresponding ratio after administration of angiotensin II was 7.3:1. The median improvement factor was 1.8 (P less than 0.05). The data suggest that worthwhile tumour targeting can be achieved with angiotensin II in patients with colorectal liver metastases.

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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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