A Multicenter Phase I Trial of PX-866, an Oral Irreversible Phosphatidylinositol 3-Kinase Inhibitor, in Patients with Advanced Solid Tumors
Hong DS, Bowles DW, Falchook GS, Messersmith WA, George GC, O'Bryant CL, Vo AC, Klucher K, Herbst RS, Eckhardt SG, Peterson S, Hausman DF, Kurzrock R, Jimeno A. A Multicenter Phase I Trial of PX-866, an Oral Irreversible Phosphatidylinositol 3-Kinase Inhibitor, in Patients with Advanced Solid Tumors. Clinical Cancer Research 2012, 18: 4173-4182. PMID: 22693357, DOI: 10.1158/1078-0432.ccr-12-0714.Peer-Reviewed Original ResearchMeSH KeywordsAdministration, OralAdultAgedAged, 80 and overArea Under CurveDiarrheaDisease ProgressionDose-Response Relationship, DrugDrug Administration ScheduleEnzyme InhibitorsFatigueFemaleGonanesHumansMaleMetabolic Clearance RateMiddle AgedMutationNauseaNeoplasmsPhosphatidylinositol 3-KinasesPhosphoinositide-3 Kinase InhibitorsTreatment OutcomeVomitingConceptsDose-limiting toxicityArm 1PX-866Stable diseaseArm 2Frequent study drug-related adverse eventsSolid tumorsStudy drug-related adverse eventsDrug-related adverse eventsMulticenter phase I trialGrade III diarrheaAdvanced solid tumorsDose-escalation studyResponse Evaluation CriteriaContinuous dosing scheduleElevated aspartate aminotransferasePhase I trialEvaluable patientsIrreversible small-molecule inhibitorAdverse eventsDosing schedulesI trialAdditional patientsGastrointestinal disordersIncurable cancer