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

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Phase II trial of piritrexim in metastatic melanoma using intermittent, low-dose administration.

A phase II trial of piritrexim (2,4-diamino-6[2,5-dimethoxybenzyl]-5-methyl pyrido-[2,3d] pyrimidine, 301U74; PTX) was conducted for patients with metastatic malignant melanoma using an intermittent, low-dose oral administration schedule. PTX was administered at a starting dose of 25 mg orally three times per day for 5 days weekly for 3 weeks followed by 1 week of rest. Thirty-one patients were entered onto the study. Among 31 patients assessable for response, there were two complete responses (CRs) and five partial responses (PRs) for a response rate (CR plus PR) of 23% (95% confidence limit, 10% to 42%). Five responses occurred in soft tissue lesions, and two responses occurred in lung lesions. The initial dose schedule was well tolerated. The dose-limiting toxicity was myelosuppression. PTX administered in this schedule appears to be active against malignant melanoma. Further clinical trials to confirm these results are underway.[1]

References

  1. Phase II trial of piritrexim in metastatic melanoma using intermittent, low-dose administration. Feun, L.G., Gonzalez, R., Savaraj, N., Hanlon, J., Collier, M., Robinson, W.A., Clendeninn, N.J. J. Clin. Oncol. (1991) [Pubmed]
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