2023
Older patients with chronic myeloid leukemia face suboptimal molecular testing and tyrosine kinase inhibitor adherence
Shallis R, Wang R, Zeidan A, Huntington S, Neparidze N, Stempel J, Mendez L, Di M, Ma X, Podoltsev N. Older patients with chronic myeloid leukemia face suboptimal molecular testing and tyrosine kinase inhibitor adherence. Blood Advances 2023, 7: 3213-3224. PMID: 36939371, PMCID: PMC10338212, DOI: 10.1182/bloodadvances.2022009074.Peer-Reviewed Original ResearchConceptsChronic myeloid leukemiaTKI adherenceTKI initiationOlder patientsMyeloid leukemiaEnd Results-Medicare databaseTyrosine kinase inhibitor usePolymerase chain reaction testingQuantitative polymerase chain reaction testingOlder patient populationCare of patientsHealth care accessReal-world studyReal-world evidenceLow socioeconomic statusLow-income subsidyFirst yearInfluenza vaccinationInhibitor useWorse survivalTKI treatmentMultivariable analysisPatient populationOptimal monitoringCare accessSecond malignancies among older patients with classical myeloproliferative neoplasms treated with hydroxyurea
Wang R, Shallis R, Stempel JM, Huntington SF, Zeidan AM, Gore SD, Ma X, Podoltsev NA. Second malignancies among older patients with classical myeloproliferative neoplasms treated with hydroxyurea. Blood Advances 2023, 7: 734-743. PMID: 35917456, PMCID: PMC9989521, DOI: 10.1182/bloodadvances.2022008259.Peer-Reviewed Original ResearchConceptsSecond malignanciesAcute myeloid leukemiaOlder patientsMyelodysplastic syndromeMyeloproliferative neoplasmsHU usersHigh riskPolycythemia veraEssential thrombocythemiaRisk of SMAML/myelodysplastic syndromeClassical Philadelphia chromosome-negative myeloproliferative neoplasmsImpact of hydroxyureaRetrospective cohort studyUse of hydroxyureaPhiladelphia chromosome-negative myeloproliferative neoplasmsClassical myeloproliferative neoplasmsCumulative incidence probabilityCohort studyCytoreductive therapyPatient characteristicsMedian ageHU useMyeloid leukemiaSecondary myelofibrosis
2021
Management of the Older Patient with Myelodysplastic Syndrome
Shallis RM, Zeidan AM. Management of the Older Patient with Myelodysplastic Syndrome. Drugs & Aging 2021, 38: 751-767. PMID: 34342860, DOI: 10.1007/s40266-021-00881-3.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsMyelodysplastic syndromeOlder patientsAllogeneic hematopoietic stem cell transplantationHematopoietic stem cell transplantationPrevalence of frailtyMajority of patientsStem cell transplantationPatient-specific factorsDrug-drug interactionsQuality of lifeAbsolute contraindicationPalliative therapyCare therapyCurative therapyIntensive therapyCell transplantationOptimal treatmentSubgroup analysisPatientsPsychosocial issuesSyndromeTherapyPersonalized treatmentAge associatesOlder populationPeri‐transfusion quality‐of‐life assessment for patients with myelodysplastic syndromes
Abel GA, Klepin HD, Magnavita ES, Jaung T, Lu W, Shallis RM, Hantel A, Bahl NE, Dellinger‐Johnson R, Winer ES, Zeidan AM. Peri‐transfusion quality‐of‐life assessment for patients with myelodysplastic syndromes. Transfusion 2021, 61: 2830-2836. PMID: 34251040, DOI: 10.1111/trf.16584.Peer-Reviewed Original ResearchConceptsRed cell transfusionCell transfusionMyelodysplastic syndromeFollow-up questionnaireTransfusion decisionsQoL assessmentProportion of patientsProspective pilot studyQoL 1Repeat transfusionHemoglobin levelsPatients' qualityScore 7TransfusionPatientsStudy designQoLPilot studySignificant increaseSyndromeLife assessmentSignificant changesDaysQuestionnaireAssessmentCost-effectiveness of azacitidine and venetoclax in unfit patients with previously untreated acute myeloid leukemia
Patel KK, Zeidan AM, Shallis RM, Prebet T, Podoltsev N, Huntington SF. Cost-effectiveness of azacitidine and venetoclax in unfit patients with previously untreated acute myeloid leukemia. Blood Advances 2021, 5: 994-1002. PMID: 33591323, PMCID: PMC7903235, DOI: 10.1182/bloodadvances.2020003902.Peer-Reviewed Original ResearchConceptsUntreated acute myeloid leukemiaIncremental cost-effectiveness ratioAcute myeloid leukemiaUnfit patientsMyeloid leukemiaLifetime health care costsSignificant price reductionUntreated AML patientsOverall survival curvesUS payer perspectiveCost-effectiveness ratioParametric survival modelingHealth care costsPrice reductionIntensive chemotherapyOverall survivalAML patientsTreatment strategiesCurrent pricingResponse rateCare costsSurvival curvesVenetoclaxClinical settingAzacitidineChallenges in the Evaluation and Management of Toxicities Arising From Immune Checkpoint Inhibitor Therapy for Patients With Myeloid Malignancies
Shallis RM, Bewersdorf JP, Swoboda DM, Wei W, Gowda L, Prebet T, Halene S, Pillai MM, Parker T, Neparidze N, Podoltsev NA, Seropian S, Sallman DA, Gore SD, Zeidan AM. Challenges in the Evaluation and Management of Toxicities Arising From Immune Checkpoint Inhibitor Therapy for Patients With Myeloid Malignancies. Clinical Lymphoma Myeloma & Leukemia 2021, 21: e483-e487. PMID: 33551344, DOI: 10.1016/j.clml.2021.01.003.Peer-Reviewed Original Research
2020
Sequencing of novel agents in relapsed/refractory B‐cell acute lymphoblastic leukemia: Blinatumomab and inotuzumab ozogamicin may have comparable efficacy as first or second novel agent therapy in relapsed/refractory acute lymphoblastic leukemia
Badar T, Szabo A, Dinner S, Liedtke M, Burkart M, Shallis RM, Yurkiewicz IR, Kuo E, Khan MA, Balasubramanian S, Yang J, Hefazi M, Podoltsev N, Patel A, Curran E, Wang A, Arslan S, Aldoss I, Siebenaller C, Mattison RJ, Litzow MR, Wadleigh M, Advani AS, Atallah E. Sequencing of novel agents in relapsed/refractory B‐cell acute lymphoblastic leukemia: Blinatumomab and inotuzumab ozogamicin may have comparable efficacy as first or second novel agent therapy in relapsed/refractory acute lymphoblastic leukemia. Cancer 2020, 127: 1039-1048. PMID: 33259056, DOI: 10.1002/cncr.33340.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overAntibodies, BispecificAntineoplastic Agents, ImmunologicalDrug Administration ScheduleDrug Resistance, NeoplasmFemaleHematopoietic Stem Cell TransplantationHumansInotuzumab OzogamicinMaleMiddle AgedPrecursor Cell Lymphoblastic Leukemia-LymphomaRemission InductionRetrospective StudiesTreatment OutcomeWithholding TreatmentYoung AdultConceptsAcute lymphoblastic leukemiaRefractory B-cell acute lymphoblastic leukemiaB-cell acute lymphoblastic leukemiaMedian overall survivalINO groupNovel agentsOverall survivalLymphoblastic leukemiaComplete remissionInotuzumab ozogamicinNA therapyComparable efficacyRelapsed/refractory (r/r) B-cell acute lymphoblastic leukemiaAllogeneic hematopoietic stem cell transplantationCR/CRi rateIncomplete count recovery (CRi) ratesRefractory acute lymphoblastic leukemiaHematopoietic stem cell transplantationNovel agent therapyOutcomes of patientsStem cell transplantationBlinatumomab groupCRi rateTreatment discontinuationAdverse eventsReal-world outcomes of adult B-cell acute lymphocytic leukemia patients treated with blinatumomab
Badar T, Szabo A, Advani A, Wadleigh M, Arslan S, Khan MA, Aldoss I, Siebenaller C, Schultz E, Hefazi M, Shallis RM, Yurkiewicz I, Podoltsev N, Patel AA, Curran E, Balasubramanian S, Yang J, Mattison RJ, Burkart M, Dinner S, Liedtke M, Litzow MR, Atallah E. Real-world outcomes of adult B-cell acute lymphocytic leukemia patients treated with blinatumomab. Blood Advances 2020, 4: 2308-2316. PMID: 32453836, PMCID: PMC7252553, DOI: 10.1182/bloodadvances.2019001381.Peer-Reviewed Original ResearchConceptsMedian relapse-free survivalAllogeneic hematopoietic cell transplantationHematopoietic cell transplantationRelapse-free survivalAcute lymphoblastic leukemiaOverall survivalCell transplantationRR diseaseClinical trialsComplete remission/complete remissionRetrospective multicenter cohort analysisB-cell acute lymphoblastic leukemiaB-cell acute lymphocytic leukemia patientsCytokine release syndromeIncomplete count recoveryMulticenter cohort analysisAcute lymphocytic leukemia patientsFavorable prognostic significanceLymphocytic leukemia patientsReal-world outcomesConsolidation therapyMRD negativityPrior therapyRelease syndromeComplete remissionClinical outcomes of older patients with AML receiving hypomethylating agents: a large population-based study in the United States
Zeidan AM, Wang R, Wang X, Shallis RM, Podoltsev NA, Bewersdorf JP, Huntington SF, Neparidze N, Giri S, Gore SD, Davidoff AJ, Ma X. Clinical outcomes of older patients with AML receiving hypomethylating agents: a large population-based study in the United States. Blood Advances 2020, 4: 2192-2201. PMID: 32433746, PMCID: PMC7252544, DOI: 10.1182/bloodadvances.2020001779.Peer-Reviewed Original ResearchConceptsAcute myeloid leukemiaDecitabine-treated patientsTransfusion independenceRed blood cell transfusion independenceLarge population-based studyOlder AML patientsRBC transfusion independenceEnd Results-MedicarePopulation-based studyStandard of careAgent azacitidineMedian survivalOlder patientsIntensive therapyAML patientsClinical outcomesClinical benefitMyeloid leukemiaMortality riskPatientsAzacitidineDecitabineOlder adultsOne-thirdMeaningful differencesPatterns of care and clinical outcomes with cytarabine-anthracycline induction chemotherapy for AML patients in the United States
Zeidan AM, Podoltsev NA, Wang X, Zhang C, Bewersdorf JP, Shallis RM, Huntington SF, Neparidze N, Giri S, Gore SD, Davidoff AJ, Ma X, Wang R. Patterns of care and clinical outcomes with cytarabine-anthracycline induction chemotherapy for AML patients in the United States. Blood Advances 2020, 4: 1615-1623. PMID: 32311013, PMCID: PMC7189301, DOI: 10.1182/bloodadvances.2020001728.Peer-Reviewed Original ResearchConceptsIntensive induction chemotherapyAcute myeloid leukemiaHospital deathInduction chemotherapyAdult patientsMultivariable logistic regression modelLow hospital volumePremier Healthcare DatabasePredictors of deathHealthcare resource utilizationIntensive care unitPatterns of careStandard of careLogistic regression modelsFit patientsRemission inductionFirst hospitalizationHospital volumeInpatient deathInpatient mortalityOlder patientsSupportive careMedian ageAML patientsCare unitReal-World Outcomes of Adult B-Cell Acute Lymphocytic Leukemia Patients Treated With Inotuzumab Ozogamicin
Badar T, Szabo A, Wadleigh M, Liedtke M, Arslan S, Siebenaller C, Aldoss I, Schultz E, Hefazi M, Litzow MR, Kuo E, Wang A, Curran E, Shallis RM, Podoltsev N, Balasubramanian S, Yang J, Mattison R, Burkart M, Dinner S, Advani A, Atallah E. Real-World Outcomes of Adult B-Cell Acute Lymphocytic Leukemia Patients Treated With Inotuzumab Ozogamicin. Clinical Lymphoma Myeloma & Leukemia 2020, 20: 556-560.e2. PMID: 32291234, DOI: 10.1016/j.clml.2020.03.004.Peer-Reviewed Original ResearchConceptsB-cell acute lymphocytic leukemia patientsAcute lymphocytic leukemia patientsAllo-HCTLymphocytic leukemia patientsInotuzumab ozogamicinOverall survivalLeukemia patientsAllogeneic hematopoietic stem cell transplantationMinimal residual disease negativityHematopoietic stem cell transplantationCommon grade 3Efficacy of iNOHigher adverse eventsMedian overall survivalMulticenter cohort analysisVeno-occlusive diseaseDuration of responseStem cell transplantationOverall response rateINO initiationComplete remissionMedian durationAdverse eventsMedian ageCumulative doseManagement of hyperleukocytosis and impact of leukapheresis among patients with acute myeloid leukemia (AML) on short- and long-term clinical outcomes: a large, retrospective, multicenter, international study
Stahl M, Shallis RM, Wei W, Montesinos P, Lengline E, Neukirchen J, Bhatt VR, Sekeres MA, Fathi AT, Konig H, Luger S, Khan I, Roboz GJ, Cluzeau T, Martínez-Cuadron D, Raffoux E, Germing U, Umakanthan JM, Mukherjee S, Brunner AM, Miller A, McMahon CM, Ritchie EK, Rodríguez-Veiga R, Itzykson R, Boluda B, Rabian F, Tormo M, Acuña-Cruz E, Rabinovich E, Yoo B, Cano I, Podoltsev NA, Bewersdorf JP, Gore S, Zeidan AM. Management of hyperleukocytosis and impact of leukapheresis among patients with acute myeloid leukemia (AML) on short- and long-term clinical outcomes: a large, retrospective, multicenter, international study. Leukemia 2020, 34: 3149-3160. PMID: 32132655, PMCID: PMC8155811, DOI: 10.1038/s41375-020-0783-3.Peer-Reviewed Original ResearchConceptsAcute myeloid leukemiaOverall survivalMyeloid leukemiaMultivariate analysisLong-term clinical outcomesComposite complete remissionImpact of leukapheresisManagement of hyperleukocytosisMedian overall survivalThirty-day mortalityHigh-quality evidenceWhite cell countProportional hazards modelUse of leukapheresisLogistic regression modelsSignificant resource useIntensive chemotherapyComplete remissionHazard ratioClinical outcomesInferior outcomesUnadjusted analysesQuality evidencePotential complicationsOdds ratioDisseminated, yet dissembled: Rare infections behind the veil of classical hairy cell leukemia
Shallis RM, Patel TH, Podoltsev NA, Xu ML, Azar MM, Gore SD. Disseminated, yet dissembled: Rare infections behind the veil of classical hairy cell leukemia. Leukemia Research 2020, 90: 106315. PMID: 32036123, DOI: 10.1016/j.leukres.2020.106315.Peer-Reviewed Case Reports and Technical Notes
2019
The golden age for patients in their golden years: The progressive upheaval of age and the treatment of newly-diagnosed acute myeloid leukemia
Shallis RM, Boddu PC, Bewersdorf JP, Zeidan AM. The golden age for patients in their golden years: The progressive upheaval of age and the treatment of newly-diagnosed acute myeloid leukemia. Blood Reviews 2019, 40: 100639. PMID: 31761380, DOI: 10.1016/j.blre.2019.100639.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsInduction therapyAcute myeloid leukemia patientsMost acute myeloid leukemia (AML) patientsAML patients ageIntensive induction therapyLeukemic stem cell persistenceOptimal treatment modalityMyeloid leukemia patientsPatient-specific factorsAcute myeloid leukemiaAvailability of therapiesMedical comorbiditiesOlder patientsPatient ageIntensive therapyOrgan reserveTreatment algorithmEarly mortalityLongstanding recommendationsTreatment modalitiesSuch therapyLeukemia patientsMyeloid leukemiaPatientsTherapyTemporal patterns and predictors of receiving no active treatment among older patients with acute myeloid leukemia in the United States: A population‐level analysis
Zeidan AM, Podoltsev NA, Wang X, Bewersdorf JP, Shallis RM, Huntington SF, Gore SD, Davidoff AJ, Ma X, Wang R. Temporal patterns and predictors of receiving no active treatment among older patients with acute myeloid leukemia in the United States: A population‐level analysis. Cancer 2019, 125: 4241-4251. PMID: 31483484, PMCID: PMC7733320, DOI: 10.1002/cncr.32439.Peer-Reviewed Original ResearchConceptsAcute myeloid leukemiaTime of diagnosisOlder patientsActive treatmentMyeloid leukemiaMultivariable logistic regression modelMedian overall survivalPercentage of patientsLow-intensity therapyMajority of patientsNovel therapeutic optionsQuality of careLogistic regression modelsIntensity therapyTherapy receiptOverall survivalWorse survivalClinical factorsInferior survivalEntire cohortTherapeutic optionsPatient populationRetrospective analysisHigher oddsProvider characteristics
2018
Conviction in the face of affliction: a case series of Jehovah’s Witnesses with myeloid malignancies
Shallis RM, Xu ML, Curtis SA, Medoff E, Mixon R, Folkers A, Zeidan AM. Conviction in the face of affliction: a case series of Jehovah’s Witnesses with myeloid malignancies. Annals Of Hematology 2018, 97: 2245-2248. PMID: 30088044, DOI: 10.1007/s00277-018-3459-6.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus Statements
2015
Tobacco Smoking as a Risk Factor for Increased Antibiotic Prescription
Steinberg MB, Akincigil A, Kim EJ, Shallis R, Delnevo CD. Tobacco Smoking as a Risk Factor for Increased Antibiotic Prescription. American Journal Of Preventive Medicine 2015, 50: 692-698. PMID: 26702478, PMCID: PMC5189690, DOI: 10.1016/j.amepre.2015.11.009.Peer-Reviewed Original ResearchConceptsAntibiotic prescriptionsTobacco useTobacco usersNational Ambulatory Medical Care SurveyAmbulatory Medical Care SurveyHigher antibiotic prescriptionAntibiotic prescribing patternsAntibiotic prescription ratesPrimary care physiciansNon-tobacco usersCurrent tobacco usersProvider-patient encountersTobacco use statusEvidence-based rationaleCross-sectional surveyHalf of encountersFirst U.S. studyAmbulatory medical servicesComorbid asthmaInfectious diagnosisPrescribing patternsPublic health crisisAntibiotic prescribedPrescription ratesRespiratory infections