2024
Molecular characteristics of advanced colorectal cancer and multi-hit PIK3CA mutations
Yasin F, Sokol E, Vasan N, Pavlick D, Huang R, Pelletier M, Levy M, Pusztai L, Lacy J, Zhang J, Ross J, Cecchini M. Molecular characteristics of advanced colorectal cancer and multi-hit PIK3CA mutations. The Oncologist 2024, oyae259. PMID: 39401325, DOI: 10.1093/oncolo/oyae259.Peer-Reviewed Original ResearchAdvanced colorectal cancerPIK3CA mutationsColorectal cancerPI3K inhibitionPI3K inhibitorsBurden of colorectal cancerActivating mutationsResponse to PI3K inhibitionSensitive to PI3K inhibition.Foundation Medicine databaseMetastatic colorectal cancerClinically relevant mutationsMicrosatellite instability-highPI3K signalingTumor DNAPIK3CA variantsClinical carePIK3CA oncogeneClinical variablesE545KGenomic profilingPIK3CAE542KMedicine DatabasePatients
2023
Quantitative DNA Repair Biomarkers and Immune Profiling for Temozolomide and Olaparib in Metastatic Colorectal Cancer
Cecchini M, Zhang J, Wei W, Sklar J, Lacy J, Zhong M, Kong Y, Zhao H, DiPalermo J, Devine L, Stein S, Kortmansky J, Johung K, Bindra R, LoRusso P, Schalper K. Quantitative DNA Repair Biomarkers and Immune Profiling for Temozolomide and Olaparib in Metastatic Colorectal Cancer. Cancer Research Communications 2023, 3: 1132-1139. PMID: 37387791, PMCID: PMC10305782, DOI: 10.1158/2767-9764.crc-23-0045.Peer-Reviewed Original ResearchConceptsWhole-exome sequencingMGMT protein expressionColorectal cancerStable diseaseQuantitative immunofluorescenceT cellsProtein expressionPromoter hypermethylationLow MGMT protein expressionPARP inhibitorsRadiographic tumor regressionMetastatic colorectal cancerAdvanced colorectal cancerPretreatment tumor biopsiesEffector T cellsTumor-infiltrating lymphocytesMGMT proteinDNA repair biomarkersBaseline CD8Eligible patientsIncreased CD8Methylguanine-DNA methyltransferaseObjective responseProgressive diseaseImmune markers
2019
KRAS mutation and microsatellite instability in colorectal cancer: Screening pattern and mutational landscape across the US.
Uhlig J, Stein S, Lacy J, Kim H. KRAS mutation and microsatellite instability in colorectal cancer: Screening pattern and mutational landscape across the US. Journal Of Clinical Oncology 2019, 37: e15138-e15138. DOI: 10.1200/jco.2019.37.15_suppl.e15138.Peer-Reviewed Original ResearchOverall survivalColorectal cancerKRAS mutationsMicrosatellite instabilityNon-metastatic colorectal cancerPropensity scoreCox proportional hazards modelMetastatic colorectal cancerNational Cancer DatabasePatients' overall survivalProportional hazards modelMutational screeningDistinct mutational patternsPatient ageYounger patientsMutational prevalenceCancer DatabaseCancer factorsCRC siteFemale African AmericansHazards modelAcademic centersEast South CentralPatientsFemale CaucasiansA phase I study of TAS-102 in combination with oxaliplatin (TAS-OX) for refractory metastatic colorectal cancer (mCRC).
Cecchini M, Kortmansky J, Lacy J, Fischbach N, Thumar J, Sabbath K, Gomez C, Sporn J, Stein S, Hochster H. A phase I study of TAS-102 in combination with oxaliplatin (TAS-OX) for refractory metastatic colorectal cancer (mCRC). Journal Of Clinical Oncology 2019, 37: 630-630. DOI: 10.1200/jco.2019.37.4_suppl.630.Peer-Reviewed Original ResearchDisease control rateMetastatic colorectal cancerTAS-102Progressive diseaseDay 1Thymidine phosphorylase inhibitorRefractory metastatic colorectal cancerDose-escalating studyECOG PS 0Phase II doseEfficacy of oxaliplatinUsual laboratory parametersEligible patientsEvaluable patientsMeasurable diseaseUnexpected AEsStarting doseTreatment discontinuationPS 0Improved survivalLaboratory parametersOral combinationColorectal cancerPatient populationControl rate