2019
A Value of Information Analysis of Research on the 21-Gene Assay for Breast Cancer Management
Kunst NR, Alarid-Escudero F, Paltiel AD, Wang SY. A Value of Information Analysis of Research on the 21-Gene Assay for Breast Cancer Management. Value In Health 2019, 22: 1102-1110. PMID: 31563252, PMCID: PMC7343670, DOI: 10.1016/j.jval.2019.05.004.Peer-Reviewed Original ResearchConceptsEarly-stage breast cancerObservational studyBreast cancerLow-risk early-stage breast cancerHormone receptor-positive early-stage breast cancerPredictive valueLow-risk womenProspective observational studyHigh-risk womenRetrospective observational studyBreast cancer managementQuality-adjusted life yearsCost-effectiveness findingsTraditional risk predictionAdjuvant chemotherapyChemotherapy useAlternative study designsOncotype DXCancer managementClinical utilityCurrent evidenceInsufficient evidenceLife yearsRoutine useStudy designIncorporating Tumor Characteristics to Maximize 21-Gene Assay Utility: A Cost-Effectiveness Analysis.
Wang SY, Chen T, Dang W, Mougalian SS, Evans SB, Gross CP. Incorporating Tumor Characteristics to Maximize 21-Gene Assay Utility: A Cost-Effectiveness Analysis. Journal Of The National Comprehensive Cancer Network 2019, 17: 39-46. PMID: 30659128, DOI: 10.6004/jnccn.2018.7077.Peer-Reviewed Original ResearchMeSH KeywordsAgedAntineoplastic Combined Chemotherapy ProtocolsBiomarkers, TumorBreast NeoplasmsChemotherapy, AdjuvantClinical Decision-MakingConnecticutCost-Benefit AnalysisDecision Support TechniquesFemaleGene Expression ProfilingGenetic TestingHumansMarkov ChainsMastectomyMiddle AgedModels, StatisticalNeoplasm Recurrence, LocalPrevalencePrognosisQuality-Adjusted Life YearsRisk AssessmentConceptsIncremental cost-effectiveness ratioClinical risk groupsQuality-adjusted life yearsHigh-risk groupLow-risk groupOncotype DXRisk groupsBreast cancerLymph node-negative breast cancerDifferent clinical risk groupsLow-risk breast cancerNode-negative breast cancerIntermediate-risk groupRecurrence score (RS) distributionConnecticut Tumor RegistryER-positive diseaseUS payer perspectivePopulation-based dataCost-effectiveness ratioProbabilistic sensitivity analysesCost-effectiveness analysisODX resultsClinical characteristicsMost patientsPatient age
2016
Assessing cost-utility of predictive biomarkers in oncology: a streamlined approach
Safonov A, Wang S, Gross CP, Agarwal D, Bianchini G, Pusztai L, Hatzis C. Assessing cost-utility of predictive biomarkers in oncology: a streamlined approach. Breast Cancer Research And Treatment 2016, 155: 223-234. PMID: 26749360, PMCID: PMC5990969, DOI: 10.1007/s10549-016-3677-3.Peer-Reviewed Original ResearchConceptsQuality-adjusted life yearsCost-effectiveness analysisPredictive biomarkersBiomarker-guided treatmentIncremental cost-effectiveness ratioHealth-related qualityTreatment costsCost-effectiveness ratioClinical outcomesClinical efficacyPrognostic biomarkerTraditional cost-effectiveness analysisBiomarker useLife yearsBiomarker valuesBiomarker prevalenceClinical literatureBiomarkersTreatmentState transition modelDecision analytic approachMedical utilityDecision analytic toolsCrizotinibHER2
2014
Examining the Cost-Effectiveness of Radiation Therapy Among Older Women With Favorable-Risk Breast Cancer
Sen S, Wang SY, Soulos PR, Frick KD, Long JB, Roberts KB, Yu JB, Evans SB, Chagpar AB, Gross CP. Examining the Cost-Effectiveness of Radiation Therapy Among Older Women With Favorable-Risk Breast Cancer. Journal Of The National Cancer Institute 2014, 106: dju008. PMID: 24598714, PMCID: PMC3982782, DOI: 10.1093/jnci/dju008.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBrachytherapyBreast NeoplasmsComorbidityCost-Benefit AnalysisFemaleHealth ExpendituresHumansLife ExpectancyMedicareNeoplasm Recurrence, LocalNeoplasm StagingQuality of LifeQuality-Adjusted Life YearsRadiotherapy, Intensity-ModulatedRisk AssessmentRisk FactorsSampling StudiesSEER ProgramUnited StatesConceptsExternal beam radiation therapyIncremental cost-effectiveness ratioQuality-adjusted life yearsBreast cancerOlder womenRadiation therapyEnd Results-Medicare databaseRisk breast cancerBeam radiation therapyCost-effectiveness ratioNewer radiation therapy modalitiesQuality of lifeRadiation therapy modalitiesLocal recurrenceTrial criteriaRT modalityTherapy modalitiesLife yearsCancerIncremental costTherapyWomenBaseline stateNew modality
2010
Incorporating margin status information in treatment decisions for women with ductal carcinoma in situ: a decision analysis
Wang SY, Kuntz K, Tuttle T, Kane R. Incorporating margin status information in treatment decisions for women with ductal carcinoma in situ: a decision analysis. Breast Cancer Research And Treatment 2010, 124: 393-402. PMID: 20848183, DOI: 10.1007/s10549-010-1166-7.Peer-Reviewed Original ResearchMeSH KeywordsBreast NeoplasmsCarcinoma, Intraductal, NoninfiltratingDecision Support TechniquesFemaleHumansMarkov ChainsMastectomy, SegmentalMiddle AgedNeoplasm Recurrence, LocalPatient PreferencePatient SelectionQuality-Adjusted Life YearsRadiotherapy, AdjuvantRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeConceptsBreast-conserving surgeryQuality-adjusted life yearsRadiation therapyMargin statusDuctal carcinomaRT side effectsDecision-analytic Markov modelOne-way sensitivity analysesImportance of patientsProbabilistic sensitivity analysesDCIS treatmentInvasive recurrenceSalvage mastectomyOptimal treatmentHypothetical cohortTreatment decisionsLifetime horizonSide effectsLife yearsDCISPatientsWomenCarcinomaTreatment