2023
Falls and hospitalization during chemotherapy in older women with early breast cancer.
Ji J, Sun C, Wildes T, Freedman R, Magnuson A, O'Connor T, Moy B, Klepin H, Chapman A, Tew W, Dotan E, Fenton M, Kim H, Bae M, Katheria V, Gross C, Muss H, Cohen H, Sedrak M. Falls and hospitalization during chemotherapy in older women with early breast cancer. Journal Of Clinical Oncology 2023, 41: 12035-12035. DOI: 10.1200/jco.2023.41.16_suppl.12035.Peer-Reviewed Original ResearchRisk of hospitalizationEarly breast cancerFall historyBreast cancerOlder adultsOlder womenStage II/III diseaseProspective multicenter studyMultivariable logistic regressionSelf-reported fall historyAdjuvant chemoCommon toxicitiesFebrile neutropeniaPrimary endpointPrimary prophylaxisGeriatric assessmentOlder patientsClinical factorsMedian ageAvoidable complicationsMulticenter studyClinical covariatesTreatment decisionsHospitalizationWomen's age
2022
Low-Intensity Adjuvant Chemotherapy for Breast Cancer in Older Women: Results From the Prospective Multicenter HOPE Trial
Sedrak M, Sun C, Ji J, Cohen H, Gross C, Tew W, Klepin H, Wildes T, Dotan E, Freedman R, O'Connor T, Chow S, Fenton M, Moy B, Chapman A, Dale W, Katheria V, Kuderer N, Lyman G, Magnuson A, Muss H. Low-Intensity Adjuvant Chemotherapy for Breast Cancer in Older Women: Results From the Prospective Multicenter HOPE Trial. Journal Of Clinical Oncology 2022, 41: 316-326. PMID: 36455189, PMCID: PMC9839299, DOI: 10.1200/jco.22.01440.Peer-Reviewed Original ResearchConceptsLow relative dose intensityRelative dose intensityAdjuvant chemotherapyHOPE trialDose intensityOlder patientsOlder womenBreast cancer benefitPrespecified secondary analysisCurative-intent treatmentInferior survival outcomesChemotherapy dose intensityKaplan-Meier methodLow performance statusMultivariable logistic regressionLog-rank testOverall survival probabilityToxic side effectsCancer benefitOverall survivalPerformance statusStandard chemotherapySupportive carePrimary outcomeSurvival outcomesEnd-of-Life Care for Patients With Metastatic Renal Cell Carcinoma in the Era of Oral Anticancer Therapy
Dzimitrowicz H, Wilson L, Jackson B, Spees L, Baggett C, Greiner M, Kaye D, Zhang T, George D, Scales C, Pritchard J, Leapman M, Gross C, Dinan M, Wheeler S. End-of-Life Care for Patients With Metastatic Renal Cell Carcinoma in the Era of Oral Anticancer Therapy. JCO Oncology Practice 2022, 19: e213-e227. PMID: 36413741, PMCID: PMC9970274, DOI: 10.1200/op.22.00401.Peer-Reviewed Original ResearchConceptsMetastatic renal cell carcinomaOral anticancer agentsDays of lifeRenal cell carcinomaEOL careSystemic therapySEER-MedicareHospital deathCell carcinomaLife careIntensive care unit admissionCancer informationAggressive EOL careHigh-quality EOLOral anticancer therapySystemic therapy useCare unit admissionMultivariable logistic regressionQuality of endUnit admissionED visitsOlder patientsYounger patientsHospital admissionTherapy useFactors associated with the quality of end-of-life care for patients with metastatic renal cell carcinoma.
Dzimitrowicz H, Wilson L, Jackson B, Spees L, Baggett C, Greiner M, Kaye D, Zhang T, George D, Scales C, Pritchard J, Leapman M, Gross C, Dinan M, Wheeler S. Factors associated with the quality of end-of-life care for patients with metastatic renal cell carcinoma. Journal Of Clinical Oncology 2022, 40: 300-300. DOI: 10.1200/jco.2022.40.6_suppl.300.Peer-Reviewed Original ResearchMetastatic renal cell carcinomaOral anti-cancer agentsRenal cell carcinomaSEER-MedicareDays of lifeSystemic therapyICU admissionCell carcinomaOdds ratioLife careSEER-Medicare cohortSystemic therapy useMultivariable logistic regressionUse of hospiceQuality of endHigh-quality endMRCC diagnosisAnti-cancer agentsMost patientsOlder patientsHospital admissionMedian ageTherapy useImmunotherapy treatmentRetrospective study
2021
Incarceration and Cancer-Related Outcomes (ICRO) study protocol: using a mixed-methods approach to investigate the role of incarceration on cancer incidence, mortality and quality of care
Puglisi L, Halberstam AA, Aminawung J, Gallagher C, Gonsalves L, Schulman-Green D, Lin HJ, Metha R, Mun S, Oladeru OT, Gross C, Wang EA. Incarceration and Cancer-Related Outcomes (ICRO) study protocol: using a mixed-methods approach to investigate the role of incarceration on cancer incidence, mortality and quality of care. BMJ Open 2021, 11: e048863. PMID: 34035109, PMCID: PMC8154989, DOI: 10.1136/bmjopen-2021-048863.Peer-Reviewed Original ResearchConceptsQuality of careCancer careCancer incidenceSequential explanatory mixed-methods study designCancer screening ratesConnecticut Tumor RegistrySocioeconomic statusMultivariable logistic regressionExplanatory mixed-methods study designCox survival modelsConnecticut DepartmentHuman Investigation CommitteePaucity of dataInstitutional review boardUniversity Institutional Review BoardMixed-methods study designTumor RegistryScreening ratesCancer mortalityInvasive cancerCancer outcomesCancer disparitiesStudy protocolHigh riskOutcome studiesAdoption of consolidative durvalumab among patients with locally advanced non-small cell lung cancer.
Jairam V, Pasha S, Soulos P, Goldberg S, Yu J, Decker R, Gross C, Park H. Adoption of consolidative durvalumab among patients with locally advanced non-small cell lung cancer. Journal Of Clinical Oncology 2021, 39: e20550-e20550. DOI: 10.1200/jco.2021.39.15_suppl.e20550.Peer-Reviewed Original ResearchNon-small cell lung cancerCell lung cancerTumor characteristicsLung cancerFDA approvalConsolidative durvalumabPatient characteristicsUnresectable stage III non-small cell lung cancerStage III non-small cell lung cancerAdvanced non-small cell lung cancerFirst-line platinum-doublet chemotherapyStudy periodFlatiron Health databasePlatinum-doublet chemotherapyGuideline-concordant carePD-L1 statusMultivariable logistic regressionCochran-Armitage testDe-identified databaseChi-square testDefinitive chemoradiationDoublet chemotherapyEligible patientsPACIFIC trialSurgery details
2020
Uptake of first-line immune checkpoint inhibitors among medically frail patients with advanced solid malignancies.
Parikh R, Cohen R, Min E, Wileyto E, Riaz F, Gross C, Long Q, Mamtani R. Uptake of first-line immune checkpoint inhibitors among medically frail patients with advanced solid malignancies. Journal Of Clinical Oncology 2020, 38: e19316-e19316. DOI: 10.1200/jco.2020.38.15_suppl.e19316.Peer-Reviewed Original ResearchNon-small cell lung cancerAdvanced solid malignanciesEastern Cooperative Oncology Group performance statusUrothelial cell carcinomaRenal cell carcinomaNon-frail patientsFrail patientsSolid malignanciesHepatocellular carcinomaCell carcinomaFlatiron Health electronic health record-derived databaseStage IV non-small cell lung cancerElectronic health record-derived databaseFirst-line immune checkpoint inhibitorsFirst-line ICI treatmentFirst-line systemic therapyImmune checkpoint inhibitor therapyCheckpoint inhibitor therapyImmune checkpoint inhibitorsRetrospective cohort studyFirst-line useElixhauser Comorbidity IndexCell lung cancerMultivariable logistic regressionYears of treatment
2019
Utilization and Early Discontinuation of First-Line Ibrutinib for Patients with Chronic Lymphocytic Leukemia Treated in the Community Oncology Setting in the United States
Huntington S, Soulos P, Barr P, Jacobs R, Lansigan F, Odejide O, Schwartzberg L, Davidoff A, Gross C. Utilization and Early Discontinuation of First-Line Ibrutinib for Patients with Chronic Lymphocytic Leukemia Treated in the Community Oncology Setting in the United States. Blood 2019, 134: 797. DOI: 10.1182/blood-2019-122054.Peer-Reviewed Original ResearchFirst-line settingChronic lymphocytic leukemiaFlatiron Health databaseECOG performance statusFirst-line treatmentEarly discontinuationMultivariable logistic regressionPerformance statusIbrutinib discontinuationSpeakers bureauClinical trialsCLL diagnosisCLL therapyLymphocytic leukemiaHealth databasesLogistic regressionBruton tyrosine kinase inhibitorsFirst-line ibrutinibUse of ibrutinibWorse performance statusPoor performance statusRetrospective cohort studyCommunity oncology settingClinical decision support toolCommunity oncology practicesReal-world practice patterns and impact of PD-L1 expression testing in patients with advanced non-small cell lung cancer.
Leapman M, Presley C, Zhu W, Soulos P, Adelson K, Boffa D, Gross C. Real-world practice patterns and impact of PD-L1 expression testing in patients with advanced non-small cell lung cancer. Journal Of Clinical Oncology 2019, 37: 9059-9059. DOI: 10.1200/jco.2019.37.15_suppl.9059.Peer-Reviewed Original ResearchAdvanced non-small cell lung cancerPD-L1 expression testingFirst-line therapyNon-small cell lung cancerPD-L1 expressionPD-L1 testingCell lung cancerLung cancerFlatiron Health electronic health record-derived databaseElectronic health record-derived databaseCell death ligand 1 (PD-L1) expressionFDA approvalDeath ligand 1 (PD-L1) expressionReal-world practice patternsFirst-line treatmentLigand 1 expressionProportion of patientsMonths of diagnosisReal-world careMultivariable logistic regressionCommunity oncology practicesCompanion diagnostic testingExpression testingIdentifiable driver mutationsLine treatment
2017
Use of Alternative Medicine for Cancer and Its Impact on Survival
Johnson SB, Park HS, Gross CP, Yu JB. Use of Alternative Medicine for Cancer and Its Impact on Survival. Journal Of The National Cancer Institute 2017, 110: djx145. PMID: 28922780, DOI: 10.1093/jnci/djx145.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsBreast NeoplasmsChoice BehaviorColorectal NeoplasmsComorbidityComplementary TherapiesEducational StatusFemaleHumansIncomeLung NeoplasmsMaleNeoplasm StagingNorthwestern United StatesPacific StatesPatient PreferenceProstatic NeoplasmsResidence CharacteristicsSex FactorsSurvival RateConceptsConventional cancer treatmentsAlternative medicineColorectal cancerCox proportional hazards regressionGreater riskLower comorbidity scoreMultivariable logistic regressionProportional hazards regressionPatterns of utilizationHigher socioeconomic statusNonmetastatic breastComorbidity scoreHormone therapyCurable cancerHazards regressionLung cancerAM useAnticancer treatmentStage IICancerIndependent covariatesLogistic regressionPatientsCancer treatmentSocioeconomic statusMammography use in breast cancer survivors: An administrative claims study.
Ruddy K, Sangaralingham L, Neuman H, Greenberg C, Freedman R, Jemal A, Mougalian S, Hunt K, Haddad T, Lemaine V, Ghosh K, Hieken T, Vachon C, Gross C, Shah N. Mammography use in breast cancer survivors: An administrative claims study. Journal Of Clinical Oncology 2017, 35: 6531-6531. DOI: 10.1200/jco.2017.35.15_suppl.6531.Peer-Reviewed Original ResearchBreast cancer survivorsResidual breast tissueCancer survivorsMammography useBreast surgeryBreast cancerEarly-stage breast cancerMetastatic breast cancer diagnosisBreast tissueAnnual surveillance mammographyDefinitive breast surgeryOperable breast cancerCancer diagnosisCommercial insurance databaseProportion of patientsYear of diagnosisMultivariable logistic regressionStage breast cancerAdministrative claims dataYears of ageFirst yearBreast cancer diagnosisInsured cohortUnderwent mammographyRecurrent disease
2015
Regional-Level Correlations in Inappropriate Imaging Rates for Prostate and Breast Cancers: Potential Implications for the Choosing Wisely Campaign
Makarov DV, Soulos PR, Gold HT, Yu JB, Sen S, Ross JS, Gross CP. Regional-Level Correlations in Inappropriate Imaging Rates for Prostate and Breast Cancers: Potential Implications for the Choosing Wisely Campaign. JAMA Oncology 2015, 1: 185-194. PMID: 26181021, PMCID: PMC4707944, DOI: 10.1001/jamaoncol.2015.37.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBreast NeoplasmsCatchment Area, HealthChi-Square DistributionDiagnostic ImagingFemaleGuideline AdherenceHumansLogistic ModelsMaleMedicareMultivariate AnalysisPractice Guidelines as TopicPractice Patterns, Physicians'Predictive Value of TestsProstatic NeoplasmsResidence CharacteristicsRetrospective StudiesRisk FactorsSEER ProgramUnited StatesUnnecessary ProceduresConceptsLow-risk prostate cancerProstate cancerBreast cancerProstate cancer imagingFourth quartileLow-risk breast cancerBreast cancer imagingLow-risk prostateEnd Results-MedicareRetrospective cohort studyMultivariable logistic regressionChoosing Wisely campaignPatient-level analysisAppropriateness of careHospital referral regionsCancer imagingQuality of careInappropriate imagingCohort studyWisely campaignHealth care spendingLowest quartileOdds ratioPatient levelHRR level
2012
Proton Versus Intensity-Modulated Radiotherapy for Prostate Cancer: Patterns of Care and Early Toxicity
Yu JB, Soulos PR, Herrin J, Cramer LD, Potosky AL, Roberts KB, Gross CP. Proton Versus Intensity-Modulated Radiotherapy for Prostate Cancer: Patterns of Care and Early Toxicity. Journal Of The National Cancer Institute 2012, 105: 25-32. PMID: 23243199, PMCID: PMC3536640, DOI: 10.1093/jnci/djs463.Peer-Reviewed Original ResearchConceptsIntensity-modulated radiotherapyProstate cancerMedicare beneficiariesGenitourinary toxicityEarly toxicityProton radiotherapyMultivariable logistic regressionPatterns of careMain outcome measuresType of radiotherapyMedicare reimbursementClinical benefitRetrospective studyPRT patientsOutcome measuresComprehensive cohortPRT useIMRT patientsPatientsSociodemographic characteristicsRadiotherapyCancerLogistic regressionMonthsSignificant differencesProton radiotherapy for prostate cancer in the Medicare population: Patterns of care and comparison of early toxicity with IMRT.
Yu J, Soulos P, Cramer L, Roberts K, Herrin J, Potosky A, Gross C. Proton radiotherapy for prostate cancer in the Medicare population: Patterns of care and comparison of early toxicity with IMRT. Journal Of Clinical Oncology 2012, 30: 4651-4651. DOI: 10.1200/jco.2012.30.15_suppl.4651.Peer-Reviewed Original ResearchProstate cancer patientsSix monthsShort-term toxicityOne-yearCancer patientsPRT patientsProstate cancerProton radiotherapyLogistic regressionTreatment-related complicationsOne-year outcomesCumulative complication rateMultivariable logistic regressionPatient-reported outcomesPatterns of careConditional logistic regressionHigher socioeconomic statusGU complicationsGU toxicityComplication rateEarly toxicityDiagnosis codesLong-term effectsRadiation therapyMedicare population