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Am J Clin Oncol. 1989 Feb;12(1):24-6.

Phase II trial of trimetrexate in patients with stage III and IV non-small-cell lung cancer.

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  • 1Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, NY 10021.

Abstract

Trimetrexate is a nonclassical antifolate with greater preclinical antitumor activity than methotrexate. Fourteen patients with stage III or IV non-small-cell lung cancer who had not previously received chemotherapy were given trimetrexate (12 mg/m2 intravenously daily for 5 days) every 3 weeks. No major objective responses were observed (95% confidence limits: 0-20%). Ten of the 14 patients had grade 2 or greater toxicity, with 50% experiencing grade 2 or greater leukopenia and/or thrombocytopenia. Nausea, vomiting, rash, mucositis, diarrhea, and serum glutamic-oxaloacetic transaminase (SGOT) elevations were also seen. At the dosage and schedule of trimetrexate used, no responses occurred in this population of patients with non-small-cell lung cancer. With the low response rate and the observed degree of myelosuppression, trimetrexate appears to have limited utility in this disease.

PMID:
2536213
[PubMed - indexed for MEDLINE]
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