Pharmacokinetic evaluation of pemetrexed.

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Sorensen JB

Pharmacokinetic evaluation of pemetrexed.

Expert Opin Drug Metab Toxicol. 2011 Jul;7(7):919-28. doi: 10.1517/17425255.2011.587411. Epub 2011 May 21.

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21599552 [ View in PubMed
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Abstract

INTRODUCTION: Pemetrexed is a multi-targeted antifolate cytotoxic agent that has demonstrated activity in a number of very common cancer types including NSCLC in both first- and second-line settings and in the treatment of malignant mesothelioma. AREAS COVERED: This article focuses on all of the currently published pharmacokinetic data of pemetrexed reviewing a number of different scenarios and patient populations. All the articles reviewed in this manuscript are from peer-reviewed English-spoken literature without any limitations to the time of publication. EXPERT OPINION: Pemetrexed's clearance correlates with renal function and it may be safely used with vitamin supplementation in patients with creatinine clearance >/= 45 ml/min. The pharmacokinetics of pemetrexed is also largely unchanged in third-space fluids and can be feasibly and safely administered in combination with several other cytotoxic or targeted agents. It is the author's opinion that pemetrexed is already a valuable cytotoxic agent which has proved useful in several malignancies. However, future trials might expand on the combined use of pemetrexed with other targeted agents that could be beneficial to other selected patients harboring relevant mutations or other biological features.

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