Dose-escalation and pharmacodynamic study of topotecan in combination with cyclophosphamide in patients with refractory cancer.
Murren JR, Anderson S, Fedele J, Pizzorno G, Belliveau D, Zelterman D, Burtness BA, Tocino I, Flynn SD, Beidler D, Cheng YC. Dose-escalation and pharmacodynamic study of topotecan in combination with cyclophosphamide in patients with refractory cancer. Journal Of Clinical Oncology 1997, 15: 148-57. PMID: 8996136, DOI: 10.1200/jco.1997.15.1.148.Peer-Reviewed Original ResearchConceptsPeripheral blood mononuclear cellsMaximum-tolerated doseMg/ m2/dDose of topotecanM2/dRefractory cancerDay 1Treatment cyclesDrug-induced DNA fragmentationGrowth factor supportTransfusion of RBCsDose of cyclophosphamideFirst treatment cycleAdministration of cyclophosphamideGranulocyte colony-stimulating factorPharmacokinetics of topotecanClass of agentsColony-stimulating factorBlood cell elementsBolus scheduleNonhematologic toxicityReversible neutropeniaDNA fragmentationFactor supportCombination therapy