2024
Circulating Tumor DNA Dynamics Reveal KRAS G12C Mutation Heterogeneity and Response to Treatment with the KRAS G12C Inhibitor Divarasib in Solid Tumors
Choi Y, Dharia N, Jun T, Chang J, Royer-Joo S, Yau K, Assaf Z, Aimi J, Sivakumar S, Montesion M, Sacher A, LoRusso P, Desai J, Schutzman J, Shi Z, group A. Circulating Tumor DNA Dynamics Reveal KRAS G12C Mutation Heterogeneity and Response to Treatment with the KRAS G12C Inhibitor Divarasib in Solid Tumors. Clinical Cancer Research 2024, 30: of1-of10. PMID: 38995268, PMCID: PMC11369623, DOI: 10.1158/1078-0432.ccr-24-0255.Peer-Reviewed Original ResearchConceptsKRAS G12C mutationTumor fractionSolid tumorsTumor typesG12C mutationOn-treatment time pointsNon-small cell lung cancerMutational heterogeneityAssociated with tumor typeProgression-free survivalPlasma samplesPhase 1 studyCell lung cancerCycle 1 dayAssociated with patient outcomesVariant allele frequencyAssociated with responseCtDNA levelsCtDNA profilingMetastatic sitesTruncal mutationsTumor DNATreatment responseLung cancerTumor tissues
2023
Single-Agent Divarasib (GDC-6036) in Solid Tumors with a KRAS G12C Mutation
Sacher A, LoRusso P, Patel M, Miller W, Garralda E, Forster M, Santoro A, Falcon A, Kim T, Paz-Ares L, Bowyer S, de Miguel M, Han S, Krebs M, Lee J, Cheng M, Arbour K, Massarelli E, Choi Y, Shi Z, Mandlekar S, Lin M, Royer-Joo S, Chang J, Dharia N, Schutzman J, Desai J. Single-Agent Divarasib (GDC-6036) in Solid Tumors with a KRAS G12C Mutation. New England Journal Of Medicine 2023, 389: 710-721. PMID: 37611121, DOI: 10.1056/nejmoa2303810.Peer-Reviewed Original ResearchConceptsMedian progression-free survivalTreatment-related adverse eventsProgression-free survivalAdverse eventsSolid tumorsG12C mutationLow-grade adverse eventsGrade 3 eventsGrade 4 eventsTreatment-related deathsDiscontinuation of treatmentMetastatic solid tumorsPhase 1 studyDurable clinical responsesBiomarkers of responseKRAS G12C mutationAssessment of safetyVariant allele frequencyClinical responseColorectal cancerSerial assessmentDose reductionG12C inhibitorsPatientsTumor DNAPlatinum Sensitivity in IDH1/2 Mutated Intrahepatic Cholangiocarcinoma: Not All “BRCAness” Is Created Equal
Doroshow D, Wei W, Mehrotra M, Sia D, Eder J, Bindra R, Houldsworth J, LoRusso P, Walther Z. Platinum Sensitivity in IDH1/2 Mutated Intrahepatic Cholangiocarcinoma: Not All “BRCAness” Is Created Equal. Cancer Investigation 2023, 41: 646-655. PMID: 37505929, DOI: 10.1080/07357907.2023.2242957.Peer-Reviewed Original ResearchConceptsClinical benefit rateIntrahepatic cholangiocarcinomaPlatinum sensitivityUnresectable intrahepatic cholangiocarcinomaObjective response rateMulticenter retrospective studyHomologous recombination repairDefective homologous recombination (HR) repairPrimary endpointPlatinum chemotherapyRetrospective studyPreclinical dataBenefit rateWildtype tumorsResponse rateMT tumorsWT diseasePatientsGene defectsCholangiocarcinomaTumors
2021
Improved methods for RNAseq-based alternative splicing analysis
Halperin RF, Hegde A, Lang JD, Raupach EA, Legendre C, Liang W, LoRusso P, Sekulic A, Sosman J, Trent J, Rangasamy S, Pirrotte P, Schork N. Improved methods for RNAseq-based alternative splicing analysis. Scientific Reports 2021, 11: 10740. PMID: 34031440, PMCID: PMC8144374, DOI: 10.1038/s41598-021-89938-2.Peer-Reviewed Original ResearchConceptsProtein-level effectsSplicing analysisSplice eventsSplice isoformsRNAseq dataAlternative splicing analysisTissue-specific splice variantsDifferential splicing analysisGene expression levelsPathogenic splicing variantProtein level expressionSequence readsSplicing variantsSplice variantsOncogenic mutationsMass spectrometry dataSplice alterationsExpression levelsRNAseqIsoformsMelanoma datasetSpectrometry dataNovel statistical approachAnalysis resourcesMass spectrometryClinical Activity and Safety of Cediranib and Olaparib Combination in Patients with Metastatic Pancreatic Ductal Adenocarcinoma without BRCA Mutation
Kim J, Cardin DB, Vaishampayan UN, Kato S, Grossman SR, Glazer P, Shyr Y, Ivy SP, LoRusso P. Clinical Activity and Safety of Cediranib and Olaparib Combination in Patients with Metastatic Pancreatic Ductal Adenocarcinoma without BRCA Mutation. The Oncologist 2021, 26: e1104-e1109. PMID: 33742489, PMCID: PMC8265343, DOI: 10.1002/onco.13758.Peer-Reviewed Original ResearchConceptsMetastatic pancreatic adenocarcinomaHomologous recombination DNA repair deficiencyMetastatic pancreatic ductal adenocarcinomaPancreatic ductal adenocarcinomaOlaparib combinationStable diseaseBRCA mutationsAdverse eventsDuctal adenocarcinomaCommon treatment-related adverse eventsVascular endothelial growth factor receptor inhibitorEndothelial growth factor receptor inhibitorTreatment-related adverse eventsGrowth factor receptor inhibitorsPrior systemic chemotherapyMedian overall survivalObjective response rateGermline BRCA mutationsBest overall responseExpression of BRCA1/2Restaging scanCancer cell linesPrimary endpointStudy drugSystemic chemotherapy