2007
Phase 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
2004
Phase I and Pharmacokinetic Study of the Ribonucleotide Reductase Inhibitor, 3-Aminopyridine-2-Carboxaldehyde Thiosemicarbazone, Administered by 96-Hour Intravenous Continuous Infusion
Wadler S, Makower D, Clairmont C, Lambert P, Fehn K, Sznol M. Phase I and Pharmacokinetic Study of the Ribonucleotide Reductase Inhibitor, 3-Aminopyridine-2-Carboxaldehyde Thiosemicarbazone, Administered by 96-Hour Intravenous Continuous Infusion. Journal Of Clinical Oncology 2004, 22: 1553-1563. PMID: 15117978, DOI: 10.1200/jco.2004.07.158.Peer-Reviewed Original ResearchConceptsDose-limiting toxicityIntravenous continuous infusionContinuous infusionPreclinical tumor model systemsPhase II dosesStabilization of diseaseHepatic adverse eventsMaximum-tolerated dosePhase II dosePhase II trialPhase I trialAccelerated titration designPharmacokinetic studySerum tumor markersSubstantial inter-patient variabilityAbnormal organ functionDetailed pharmacokinetic studiesTumor model systemsInter-patient variabilityStable diseaseII trialObjective responseAdverse eventsI trialAdvanced cancer
2003
Phase I and pharmacodynamic study of Triapine®, a novel ribonucleotide reductase inhibitor, in patients with advanced leukemia
Giles FJ, Fracasso PM, Kantarjian HM, Cortes JE, Brown RA, Verstovsek S, Alvarado Y, Thomas DA, Faderl S, Garcia-Manero G, Wright LP, Samson T, Cahill A, Lambert P, Plunkett W, Sznol M, DiPersio JF, Gandhi V. Phase I and pharmacodynamic study of Triapine®, a novel ribonucleotide reductase inhibitor, in patients with advanced leukemia. Leukemia Research 2003, 27: 1077-1083. PMID: 12921943, DOI: 10.1016/s0145-2126(03)00118-8.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overDeoxyadenine NucleotidesDeoxyguanine NucleotidesDNADNA, NeoplasmEnzyme InhibitorsFemaleHumansInfusions, IntravenousLeukemia, LymphoidLeukemia, Myelogenous, Chronic, BCR-ABL PositiveLeukocyte CountMaleMiddle AgedPyridinesRibonucleotide ReductasesSafetyThiosemicarbazonesConceptsDose-limiting toxicityNovel ribonucleotide reductase inhibitorDay 1Ribonucleotide reductase inhibitorReductase inhibitorsWhite blood cell countPhase IContinuous intravenous infusionBlood cell countWarrants further studyObjective responseRefractory leukemiaStarting doseAdvanced leukemiaIntravenous infusionH infusionSecond infusionHematologic malignanciesPlasma concentrationsPharmacodynamic studiesPharmacodynamic dataPatientsSecond courseDay 8H beginningPhase 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 doseRevisiting Ribonucleotide Reductase as a Target to Enhance Radiation and Chemotherapy Anti-Tumor Activity
Sznol M. Revisiting Ribonucleotide Reductase as a Target to Enhance Radiation and Chemotherapy Anti-Tumor Activity. The Cancer Journal 2003, 9: 247-250. PMID: 12967134, DOI: 10.1097/00130404-200307000-00006.Peer-Reviewed Original ResearchConceptsAnti-tumor activity