Phase I clinical and pharmacological studies of benzylacyclouridine, a uridine phosphorylase inhibitor.
Pizzorno G, Yee L, Burtness BA, Marsh JC, Darnowski JW, Chu MY, Chu SH, Chu E, Leffert JJ, Handschumacher RE, Calabresi P. Phase I clinical and pharmacological studies of benzylacyclouridine, a uridine phosphorylase inhibitor. Clinical Cancer Research 1998, 4: 1165-75. PMID: 9607574.Peer-Reviewed Original ResearchConceptsPreclinical studiesDose levelsUridine concentrationPhase I clinical trialGrade 1 constipationGrade 1 elevationGrade 1 fatigueGrade 1 feverGrade 2 anemiaOral dose levelsSingle oral doseTreatment of patientsPlasma uridine concentrationBiochemical end pointsFirst-order clearanceAverage peak concentrationCancer cell linesAdvanced cancerOral dosePlasma levelsPlasma uridineClinical trialsPlasma concentrationsSustained elevationTracer dose