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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Pemetrexed: translational research in breast cancer.

Pemetrexed (Alimta; Eli Lilly and Co, Indianapolis, IN) is a novel antifolate/antimetabolite with activity in breast cancer and has well-defined molecular targets, including thymidylate synthase, dihydrofolate reductase, and glycinamide ribonucleotide formyltransferase. In a phase II trial in patients with T3-4, N0-2 breast cancer, expression of thymidylate synthase, dihydrofolate reductase, glycinamide ribonucleotide formyltransferase, p53, and c-erb-B2 (at the mRNA or protein level) is being examined before and 24 hours after the first dose of neoadjuvant pemetrexed and after three cycles of single-agent treatment to establish correlations of biomarker levels and changes with clinical outcome and toxicity. Full biomarker and clinical data are not yet available from this study; however, clinical responses to pemetrexed treatment have been observed in patients. Results of this trial should provide both an idea of the activity of neoadjuvant pemetrexed in breast cancer and information on biomarker association with clinical performance that can be used in the design of additional clinical studies to assess the predictive value of these markers.[1]


  1. Pemetrexed: translational research in breast cancer. Hanauske, A.R. Semin. Oncol. (2002) [Pubmed]
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