Abstract
Pralatrexate is a folate analogue metabolic inhibitor manufactured by Allos Therapeutics, Inc., a wholly-owned subsidiary of Spectrum Pharmaceuticals, Inc. In both preclinical and clinical studies, pralatrexate demonstrated activity in lymphoma. Pralatrexate was US FDA approved for the treatment of relapsed/refractory peripheral T-cell lymphoma in 2009. Approval was based on data from the PROPEL trial that demonstrated an overall response rate of 29% in a heavily pretreated patient population. The dose and schedule of pralatrexate is 30-mg/m(2) weekly for 6 weeks, given in 7-week cycles. Folate and vitamin B12 supplementation are required to minimize toxicity. The most common toxicities are mucositis, thrombocytopenia, nausea and fatigue.
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