ArticleCases journal2009
Different responses to two types of 5-fluorouracil prodrugs in combination with interferon-alpha in pulmonary metastases of renal cell carcinoma: a case report.
Article in Cases journal, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
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Abstract
A 66-year-old Japanese man with pulmonary metastases of renal cell carcinoma found 8 months after radical nephrectomy was treated with interferon-alpha and tegafur-uracil. Since it failed to achieve tumor responses resulting in progression, he was given interferon-alpha and capecitabine. After 2 courses of combination therapy with IFN-alpha and capecitabine, significant tumor responses were obtained; two out of four pulmonary metastatic sites disappeared completely, one site showed over 50% decrease in size, and the remaining one site did no change in size. The regimen was well tolerated and toxicity observed was World Health Organization grade 1 anorexia. His disease status was maintained as stable disease by the repeated treatment with interferon-alpha and capecitabine for 17 months after tumor responses were obtained. However, tumor progression was observed thereafter. He is at present under treatment with sorafenib. This is the first case report of metastatic renal cell carcinoma, which showed different responses to two types of 5-fluorouracil prodrugs in combination with interferon-alpha, suggesting the biochemical modulation of capecitabine by interferon-alpha as a possible mechanism underlying the antitumor effect of the combination of interferon-alpha and capecitabine at the clinical setting. Present case also suggests that a combination of tumor-selective capecitabine with interferon-alpha is a potentially useful therapeutic option in metastatic renal cell carcinoma.
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