2024
Treatment patterns and clinical outcomes in patients with EGFR-mutated non-small cell lung cancer after progression on osimertinib
Robinson N, Canavan M, Zhan P, Udelsman B, Pathak R, Boffa D, Goldberg S. Treatment patterns and clinical outcomes in patients with EGFR-mutated non-small cell lung cancer after progression on osimertinib. Clinical Lung Cancer 2024 PMID: 39462746, DOI: 10.1016/j.cllc.2024.09.006.Peer-Reviewed Original ResearchNon-small cell lung cancerEGFR-mutant non-small cell lung cancerFirst-line osimertinibContinuation of osimertinibImmune checkpoint inhibitorsTyrosine kinase inhibitorsCell lung cancerRetrospective cohort studyOverall survivalTreatment regimensLung cancerAdvanced epidermal growth factor receptorAssociated with increased PFSAssociated with superior PFSSecond-line treatment regimenEGFR exon 19 deletionRetrospective cohort study of patientsEGFR tyrosine kinase inhibitorsAssociated with prolonged survivalCohort study of patientsSecond-line treatment regimensExon 19 deletionFirst-line therapyEpidermal growth factor receptorFirst-line treatmentSurvival Among Patients With High-Risk Gastrointestinal Cancers During the COVID-19 Pandemic
Janczewski L, Browner A, Cotler J, Palis B, Chan K, Joung R, Bentrem D, Merkow R, Boffa D, Nelson H. Survival Among Patients With High-Risk Gastrointestinal Cancers During the COVID-19 Pandemic. JAMA Network Open 2024, 7: e240160. PMID: 38441896, PMCID: PMC10915687, DOI: 10.1001/jamanetworkopen.2024.0160.Peer-Reviewed Original ResearchConceptsStage IV diseaseRetrospective cohort studyCohort studyQuality care deliveryIV diseaseOperative mortalityHigh riskPandemic-related stressorsAssociated with increased 1-year mortalityDiagnosis of stage IMultivariate logistic regressionCOVID-19 pandemicCare deliveryNational Cancer DatabaseKaplan-Meier curvesEvaluate 30-dayMain OutcomesFollow-up dataCancer communityPrepandemic levelsLogistic regressionCancer DatabaseCOVID-19COVID-19 infectionMalignant neoplasms
2023
Alterations in Cancer Treatment During the First Year of the COVID-19 Pandemic in the US
Janczewski L, Cotler J, Merkow R, Palis B, Nelson H, Mullett T, Boffa D. Alterations in Cancer Treatment During the First Year of the COVID-19 Pandemic in the US. JAMA Network Open 2023, 6: e2340148. PMID: 37902756, PMCID: PMC10616721, DOI: 10.1001/jamanetworkopen.2023.40148.Peer-Reviewed Original ResearchConceptsNational Cancer DatabaseCancer treatmentAcademic hospitalCommunity hospitalMAIN OUTCOMECOVID-19 pandemicProportion of patientsRetrospective cohort studyAvailability of treatmentFirst yearUnderwent surgeryCohort studyMedian ageCancer surgeryMedian timeTreatment of cancerCancer careTreatment modalitiesCancer screeningCancer DatabaseMedian travel distancePatientsHospitalSurgeryCancerAssociation Between Metastatic Pattern and Prognosis in Stage IV Gastric Cancer: Potential for Stage Classification Reform
Zhan P, Canavan M, Ermer T, Pichert M, Li A, Maduka R, Udelsman B, Nemeth A, Boffa D. Association Between Metastatic Pattern and Prognosis in Stage IV Gastric Cancer: Potential for Stage Classification Reform. Annals Of Surgical Oncology 2023, 30: 4180-4191. PMID: 36869917, DOI: 10.1245/s10434-023-13287-9.Peer-Reviewed Original ResearchConceptsStage IV gastric cancerNonregional lymph nodesMultivariable Cox modelLymph nodesGastric cancerMetastatic patternCox modelStage IV gastric cancer patientsBetter median survivalNational Cancer DatabaseRetrospective cohort studyStage IV patientsKaplan-Meier curvesGastric cancer patientsPropensity score-matched sampleSingle organYears of ageDistant diseaseCohort studyIV patientsMedian survivalMetastatic diseaseMost patientsBetter prognosisSystemic organs
2022
Utilization and Outcomes of Radiation in Stage IV Esophageal Cancer
Zhan P, Canavan M, Ermer T, Pichert M, Li A, Maduka R, Kaminski M, Johung K, Boffa D. Utilization and Outcomes of Radiation in Stage IV Esophageal Cancer. JTO Clinical And Research Reports 2022, 3: 100429. PMID: 36483656, PMCID: PMC9722471, DOI: 10.1016/j.jtocrr.2022.100429.Peer-Reviewed Original ResearchStage IV esophageal cancerNational Cancer DatabaseEsophageal cancerCancer DatabaseRadiation doseSurvival advantageMedian total radiation dosePropensity score-matched pairsOutcome of radiationRetrospective cohort studyKaplan-Meier analysisTotal radiation doseAppropriate radiation dosePalliative regimensCohort studyMedian ageRadiation administrationSurvival associationsBetter survivalPatientsLocal controlCancerDosePalliationFurther studiesNonregional Lymph Nodes as the Only Metastatic Site in Stage IV Esophageal Cancer
Zhan P, Canavan M, Ermer T, Pichert M, Li A, Maduka R, Kaminski M, Boffa D. Nonregional Lymph Nodes as the Only Metastatic Site in Stage IV Esophageal Cancer. JTO Clinical And Research Reports 2022, 3: 100426. PMID: 36444359, PMCID: PMC9700291, DOI: 10.1016/j.jtocrr.2022.100426.Peer-Reviewed Original ResearchStage IV esophageal cancerNonregional lymph nodesEsophageal cancerSystemic metastasesLymph nodesMultiorgan metastasesOrgan metastasisSuperior survivalAcademic facility typesOnly metastatic siteNational Cancer DatabaseOutcomes of patientsPatients 18 yearsRetrospective cohort studyStage IV diseaseKaplan-Meier analysisSquamous cell carcinomaPropensity-matched sampleNonregional lymphCohort studyMetastatic involvementMetastatic sitesCell carcinomaCancer DatabaseCox model
2021
The Survival Advantage of Lobectomy over Wedge Resection Lessens as Health-Related Life Expectancy Decreases
Salazar MC, Canavan ME, Walters SL, Chilakamarry S, Ermer T, Blasberg JD, Yu JB, Gross CP, Boffa DJ. The Survival Advantage of Lobectomy over Wedge Resection Lessens as Health-Related Life Expectancy Decreases. JTO Clinical And Research Reports 2021, 2: 100143. PMID: 34590002, PMCID: PMC8474228, DOI: 10.1016/j.jtocrr.2021.100143.Peer-Reviewed Original ResearchStage I NSCLCWedge resectionSurveillance EpidemiologyMortality riskHigh riskSurvival advantageLife expectancyNational Cancer Institute's Surveillance EpidemiologyEnd Results-MedicareTreatment-naive patientsEarly-stage NSCLCRetrospective cohort studySuperior local controlShort life expectancyLife expectancy decreasesPerioperative complicationsCohort studyComorbid conditionsLung parenchymaLobectomyCox modelReasonable optionPatientsNSCLCLocal controlChemoradiation as a nonsurgical treatment option for early-stage esophageal cancers: a retrospective cohort study
Pathak R, Canavan ME, Walters S, Salazar MC, Boffa DJ. Chemoradiation as a nonsurgical treatment option for early-stage esophageal cancers: a retrospective cohort study. Journal Of Thoracic Disease 2021, 13: 140-148. PMID: 33569194, PMCID: PMC7867841, DOI: 10.21037/jtd-20-1187.Peer-Reviewed Original ResearchEarly-stage esophageal cancerEsophageal cancerOverall survivalDefinitive non-surgical treatmentComorbidity-free patientsCT1/T2National Cancer DatabaseRetrospective cohort studyNon-surgical treatmentSubset of patientsGoals of careKaplan-Meier curvesNonsurgical treatment optionsKaplan-Meier estimatesInoperable patientsCohort studyNonsurgical approachCure rateTreatment optionsCancer patientsEndoscopic excisionCancer DatabaseTumor removalChemoradiationPatients
2020
Association of Survival With Adjuvant Chemotherapy Among Patients With Early-Stage Non–Small Cell Lung Cancer With vs Without High-Risk Clinicopathologic Features
Pathak R, Goldberg SB, Canavan M, Herrin J, Hoag JR, Salazar MC, Papageorge M, Ermer T, Boffa DJ. Association of Survival With Adjuvant Chemotherapy Among Patients With Early-Stage Non–Small Cell Lung Cancer With vs Without High-Risk Clinicopathologic Features. JAMA Oncology 2020, 6: 1741-1750. PMID: 32940636, PMCID: PMC7499246, DOI: 10.1001/jamaoncol.2020.4232.Peer-Reviewed Original ResearchConceptsNode-negative non-small cell lung cancerHigh-risk pathologic featuresNon-small cell lung cancerAdjuvant chemotherapyCell lung cancerPathologic featuresTumor sizeSurvival benefitCohort studyLung cancerNode-negative NSCLCEarly-stage non-small cell lung cancerCox proportional hazards regression modelHigh-risk clinicopathologic featuresProportional hazards regression modelsNational Cancer DatabaseRetrospective cohort studyTreatment-naive patientsAdjuvant chemotherapy useHigh-risk featuresAssociation of survivalHazards regression modelsImmortal time biasChemotherapy useEligible patientsAssociation of Programmed Cell Death Ligand 1 Expression Status With Receipt of Immune Checkpoint Inhibitors in Patients With Advanced Non–Small Cell Lung Cancer
Leapman MS, Presley CJ, Zhu W, Soulos PR, Adelson KB, Miksad RA, Boffa DJ, Gross CP. Association of Programmed Cell Death Ligand 1 Expression Status With Receipt of Immune Checkpoint Inhibitors in Patients With Advanced Non–Small Cell Lung Cancer. JAMA Network Open 2020, 3: e207205. PMID: 32511721, PMCID: PMC7280954, DOI: 10.1001/jamanetworkopen.2020.7205.Peer-Reviewed Original ResearchConceptsAdvanced non-small cell lung cancerNon-small cell lung cancerFirst-line ICI treatmentImmune checkpoint inhibitorsPD-L1 expressionPD-L1 testingNegative PD-L1 expressionHigh PD-L1 expressionCell lung cancerICI treatmentCheckpoint inhibitorsLung cancerDeath ligand 1 (PD-L1) expression statusElectronic health record-derived databaseFirst-line immune checkpoint inhibitorsCell death ligand 1 (PD-L1) expressionExpression statusLow PD-L1 expressionPD-L1 expression statusDeath ligand 1 (PD-L1) expressionRetrospective cohort studyFirst-line treatmentLigand 1 expressionProportion of patientsReal-world care