2024
Circulating tumor DNA fraction predicts residual cancer burden post-neoadjuvant chemotherapy in triple negative breast cancer
Shan N, Gould B, Wang X, Bonora G, Blenman K, Foldi J, Campos G, Walsh M, Du P, Pusztai L. Circulating tumor DNA fraction predicts residual cancer burden post-neoadjuvant chemotherapy in triple negative breast cancer. The Journal Of Liquid Biopsy 2024, 6: 100168. DOI: 10.1016/j.jlb.2024.100168.Peer-Reviewed Original ResearchTriple negative breast cancerResidual cancer burdenCirculating tumor DNANegative breast cancerPathological responsePost-NACBreast cancerPlasma circulating tumor DNATriple negative breast cancer patientsResidual cancer burden scoreCirculating tumour DNA fractionPost-neoadjuvant chemotherapyPre-NAC samplesWeekly nab-paclitaxelTumor DNA methylation profilesTumor DNA fractionHot spot mutationsYouden's J statisticNab-paclitaxelPre-NACTumor variantsTumor DNATumor fractionClinical trialsDNA methylation profilesMolecular 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
2022
Impact of Circulating Tumor DNA–Based Detection of Molecular Residual Disease on the Conduct and Design of Clinical Trials for Solid Tumors
Kasi PM, Fehringer G, Taniguchi H, Starling N, Nakamura Y, Kotani D, Powles T, Li BT, Pusztai L, Aushev VN, Kalashnikova E, Sharma S, Malhotra M, Demko ZP, Aleshin A, Rodriguez A, Billings PR, Grothey A, Taieb J, Cunningham D, Yoshino T, Kopetz S. Impact of Circulating Tumor DNA–Based Detection of Molecular Residual Disease on the Conduct and Design of Clinical Trials for Solid Tumors. JCO Precision Oncology 2022, 6: e2100181. PMID: 35263168, PMCID: PMC8926064, DOI: 10.1200/po.21.00181.Peer-Reviewed Original ResearchConceptsMolecular residual diseaseSurrogate end pointsCtDNA testingMRD detectionResidual diseaseClinical trialsCancer recurrenceTumor DNAEnd pointMRD-positive patientsUse of ctDNAHigh-risk categoryCtDNA dynamicsTrial enrichmentAccelerated approvalDifferent cancer typesCancer managementClinical utilityHigh riskClinical practiceSmall cohortSolid tumorsRecurrenceTrial durationTreatment assignment
2017
Hybrid capture-based genomic profiling of circulating tumor DNA from patients with estrogen receptor-positive metastatic breast cancer
Chung JH, Pavlick D, Hartmaier R, Schrock AB, Young L, Forcier B, Ye P, Levin MK, Goldberg M, Burris H, Gay LM, Hoffman AD, Stephens PJ, Frampton GM, Lipson DM, Nguyen DM, Ganesan S, Park BH, Vahdat LT, Leyland-Jones B, Mughal TI, Pusztai L, O’Shaughnessy J, Miller VA, Ross JS, Ali SM. Hybrid capture-based genomic profiling of circulating tumor DNA from patients with estrogen receptor-positive metastatic breast cancer. Annals Of Oncology 2017, 28: 2866-2873. PMID: 28945887, PMCID: PMC5834148, DOI: 10.1093/annonc/mdx490.Peer-Reviewed Original ResearchConceptsEstrogen receptor-positive metastatic breast cancerMetastatic breast cancerBreast cancerGenomic profilingGenomic alterationsEstrogen receptor-positive breast cancerMetastatic breast cancer managementReceptor-positive breast cancerTumor DNACo-occurring genomic alterationsMetastatic tissue biopsiesTissue samplesRoutine clinical careBreast cancer managementCourse of diseasePeripheral blood samplesMetastatic tumor tissueMetastatic diseaseFemale patientsInvasive alternativeCtDNA fractionCancer managementClinical careBlood samplesPatients