2008
Enzastaurin, an Oral Serine/Threonine Kinase Inhibitor, As Second- or Third-Line Therapy of Non–Small-Cell Lung Cancer
Oh Y, Herbst RS, Burris H, Cleverly A, Musib L, Lahn M, Bepler G. Enzastaurin, an Oral Serine/Threonine Kinase Inhibitor, As Second- or Third-Line Therapy of Non–Small-Cell Lung Cancer. Journal Of Clinical Oncology 2008, 26: 1135-1141. PMID: 18309949, DOI: 10.1200/jco.2007.14.3685.Peer-Reviewed Original ResearchConceptsOral serine/threonine kinase inhibitorCell lung cancerPFS ratesMetastatic NSCLCOverall survivalLung cancerEastern Cooperative Oncology Group performance statusSix-month PFS rateProgression-free survival ratesEpidermal growth factor inhibitorsSerine/threonine kinase inhibitorProtein kinase CKinase inhibitorsPrior systemic regimensMedian overall survivalPrimary end pointThird-line therapyPhase II trialGrowth factor inhibitorsTumor cell apoptosisMedian PFSStable diseaseCommon toxicitiesPrior therapySystemic regimens
2007
Enzastaurin, a Protein Kinase Cβ–Selective Inhibitor, and Its Potential Application as an Anticancer Agent in Lung Cancer
Herbst RS, Oh Y, Wagle A, Lahn M. Enzastaurin, a Protein Kinase Cβ–Selective Inhibitor, and Its Potential Application as an Anticancer Agent in Lung Cancer. Clinical Cancer Research 2007, 13: 4641s-4646s. PMID: 17671157, DOI: 10.1158/1078-0432.ccr-07-0538.Peer-Reviewed Original ResearchConceptsSerine/threonine kinase inhibitorLung cancerOral serine/threonine kinase inhibitorProtein kinase CFavorable safety profileCurrent phase IKinase CTumor cell apoptosisAkt pathwayClinical findingsSafety profilePKC inhibitorTumor-induced angiogenesisPreclinical experienceCell apoptosisEnzastaurinKinase inhibitorsPhase ICancer
2006
Development and Validation of a Drug Activity Biomarker that Shows Target Inhibition in Cancer Patients Receiving Enzastaurin, a Novel Protein Kinase C-β Inhibitor
Green LJ, Marder P, Ray C, Cook CA, Jaken S, Musib LC, Herbst RS, Carducci M, Britten CD, Basche M, Eckhardt SG, Thornton D. Development and Validation of a Drug Activity Biomarker that Shows Target Inhibition in Cancer Patients Receiving Enzastaurin, a Novel Protein Kinase C-β Inhibitor. Clinical Cancer Research 2006, 12: 3408-3415. PMID: 16740765, DOI: 10.1158/1078-0432.ccr-05-2231.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic Combined Chemotherapy ProtocolsBiomarkersCapecitabineCell Line, TumorClinical Trials, Phase I as TopicDeoxycytidineEnzyme ActivatorsEnzyme InhibitorsFlow CytometryFluorouracilFollow-Up StudiesHumansIndolesLeukocytes, MononuclearMonocytesNeoplasmsProtein Kinase CProtein Kinase C betaReproducibility of ResultsSensitivity and SpecificitySignal TransductionStructure-Activity RelationshipTreatment OutcomeConceptsPeripheral blood mononuclear cellsDaily oral dosesBlood mononuclear cellsCancer patientsOral dosesMononuclear cellsFlow cytometryDrug activity biomarkerPKC activityTarget cellsActivity biomarkersPhorbol esterNormal donorsPatientsActivity of PKCU937 cell lineTarget inhibitionEnzastaurinKinase inhibitorsΒ inhibitorSignificant decreaseCell linesU937 cellsIntracellular phosphoproteinsProtein kinase C