2007
A Phase I study of the novel ribonucleotide reductase inhibitor 3-aminopyridine-2-carboxaldehyde thiosemicarbazone (3-AP, Triapine®) in combination with the nucleoside analog fludarabine for patients with refractory acute leukemias and aggressive myeloproliferative disorders
Karp JE, Giles FJ, Gojo I, Morris L, Greer J, Johnson B, Thein M, Sznol M, Low J. A Phase I study of the novel ribonucleotide reductase inhibitor 3-aminopyridine-2-carboxaldehyde thiosemicarbazone (3-AP, Triapine®) in combination with the nucleoside analog fludarabine for patients with refractory acute leukemias and aggressive myeloproliferative disorders. Leukemia Research 2007, 32: 71-77. PMID: 17640728, PMCID: PMC2726775, DOI: 10.1016/j.leukres.2007.05.003.Peer-Reviewed Original ResearchConceptsAggressive myeloproliferative disorderDaily x 5Refractory acute leukemiaMyeloproliferative disordersAcute leukemiaRibonucleotide reductase inhibitorReductase inhibitorsDays of fludarabineRefractory myeloid malignanciesPhase I trialDrug-related toxicityNovel ribonucleotide reductase inhibitorNucleoside analog fludarabinePotent ribonucleotide reductase inhibitorPartial responseI trialMetabolic acidosisSchedule AFludarabineMyeloid malignanciesPatientsPhase ILeukemiaDisordersInhibitorsPhase I and pharmacokinetic study of Triapine®, a potent ribonucleotide reductase inhibitor, in adults with advanced hematologic malignancies
Gojo I, Tidwell ML, Greer J, Takebe N, Seiter K, Pochron MF, Johnson B, Sznol M, Karp JE. Phase I and pharmacokinetic study of Triapine®, a potent ribonucleotide reductase inhibitor, in adults with advanced hematologic malignancies. Leukemia Research 2007, 31: 1165-1173. PMID: 17324462, DOI: 10.1016/j.leukres.2007.01.004.Peer-Reviewed Original ResearchConceptsHematologic malignanciesDay 1White blood cell countPhase IAdvanced hematologic malignanciesBlood cell countPeak plasma concentrationPre-clinical modelsAnti-leukemia activityPotent ribonucleotide reductase inhibitorWarrants further investigationAdvanced leukemiaH infusionPlasma concentrationsDose levelsRibonucleotide reductase inhibitorCell countReductase inhibitorsPharmacokinetic studyMalignancyGrowth inhibitionFurther investigationPotent inhibitorAdultsDays
2003
Phase I and pharmacokinetic study of triapine, a potent ribonucleotide reductase inhibitor, administered daily for five days in patients with advanced solid tumors.
Murren J, Modiano M, Clairmont C, Lambert P, Savaraj N, Doyle T, Sznol M. Phase I and pharmacokinetic study of triapine, a potent ribonucleotide reductase inhibitor, administered daily for five days in patients with advanced solid tumors. Clinical Cancer Research 2003, 9: 4092-100. PMID: 14519631.Peer-Reviewed Original ResearchConceptsDose-limiting toxicityAdverse eventsSafety profilePhase IGrade 3Week scheduleDrug-related adverse eventsGrade 2 adverse eventsGrade 1Common nonhematological toxicitiesGrade 4 leukopeniaSingle-patient cohortsAcceptable safety profileAdvanced solid tumorsDose-escalation phaseHepatic adverse eventsPhase II trialCohort of patientsCumulative urinary recoveryLinear pharmacokinetic behaviorPotent ribonucleotide reductase inhibitorNonhematological toxicitiesII trialMean eliminationStarting dose