2024
Real-world comparison of health care costs of venetoclax-obinutuzumab vs Bruton's tyrosine kinase inhibitor use among US Medicare beneficiaries with chronic lymphocytic leukemia in the frontline setting.
Huntington S, Manzoor B, Jawaid D, Puckett J, Emechebe N, Ravelo A, Kamal-Bahl S, Doshi J. Real-world comparison of health care costs of venetoclax-obinutuzumab vs Bruton's tyrosine kinase inhibitor use among US Medicare beneficiaries with chronic lymphocytic leukemia in the frontline setting. Journal Of Managed Care & Specialty Pharmacy 2024, 1-11. PMID: 39046941, DOI: 10.18553/jmcp.2024.24049.Peer-Reviewed Original ResearchChronic lymphocytic leukemiaMonths 0Frontline settingSample of older US adultsMedicare beneficiariesLymphocytic leukemiaFee-for-service Medicare beneficiariesTreatment periodStudy of older adultsTyrosine kinase inhibitor useOlder US adultsBruton tyrosine kinase inhibitorFixed-duration therapyUS Medicare beneficiariesFee-for-serviceMonthly costTyrosine kinase inhibitorsHealth care costsMedicare Part ABcl-2 inhibitorsMultivariate general linear modelMonthly total costsTotal monthly costsPrescription drug costsComparison of health care costsReal-world patterns and sequences of targeted therapy use in chronic lymphocytic leukemia and small lymphocytic lymphoma in the United States: a longitudinal study
Huntington S, Cheng W, Sarpong E, Leng S, Farooqui M, Agu U, Catillon M, Lejeune D, Downes N, Matay L, Duh M, De Nigris E. Real-world patterns and sequences of targeted therapy use in chronic lymphocytic leukemia and small lymphocytic lymphoma in the United States: a longitudinal study. Leukemia & Lymphoma 2024, 65: 932-942. PMID: 38696747, DOI: 10.1080/10428194.2024.2331631.Peer-Reviewed Original ResearchSequential targeted therapyLymphocytic lymphomaTherapy useB-cell lymphoma 2 inhibitorChronic lymphocytic leukemia/small lymphocytic lymphomaBruton tyrosine kinase inhibitorTargeted therapy useSmall lymphocytic lymphomaChronic lymphocytic leukemiaTyrosine kinase inhibitorsProportion of patientsClaims-based studyFirst-lineLymphocytic leukemiaTargeted therapyClinical outcomesB cellsKinase inhibitorsTreatment sequenceReal-world patternsTherapyCLL/SLLBTKiCD20LymphomaRacial Disparities in Telemedicine Uptake during the COVID-19 Pandemic among Patients with Hematologic Malignancies in the United States
Neparidze N, W. Lau K, Wang X, Huntington S, Jamy O, S. Calip G, Shah H, M. Stephens D, Miksad R, Parikh R, Takvorian S, Goyal G, Seymour E. Racial Disparities in Telemedicine Uptake during the COVID-19 Pandemic among Patients with Hematologic Malignancies in the United States. Medical Research Archives 2024, 12 DOI: 10.18103/mra.v12i2.5164.Peer-Reviewed Original ResearchAcute myelogenous leukemiaMantle cell lymphomaChronic lymphocytic leukemiaDiffuse large B-cell lymphomaFollicular lymphomaMultiple myelomaWhite patientsBlack patientsCell lymphomaHematologic malignanciesLymphocytic leukemiaTreatment categoriesElectronic health record (EHR)-derived de-identified databaseDiagnosis of acute myelogenous leukemiaLarge B-cell lymphomaTelemedicine uptakeActive patientsLines of therapyB-cell lymphomaMonthly visit ratesMyeloma patientsVisit ratesAnalyzed patientsMyelogenous leukemiaLymphomaReal‐world analysis of adverse event rates after initiation of ibrutinib among Medicare beneficiaries with chronic lymphocytic leukemia
Huntington S, de Nigris E, Puckett J, Kamal‐Bahl S, Farooqui M, Ryland K, Sarpong E, Leng S, Yang X, Doshi J. Real‐world analysis of adverse event rates after initiation of ibrutinib among Medicare beneficiaries with chronic lymphocytic leukemia. Cancer Medicine 2024, 13: e6953. PMID: 38348963, PMCID: PMC10832339, DOI: 10.1002/cam4.6953.Peer-Reviewed Original ResearchConceptsChronic lymphocytic leukemiaRate of adverse eventsIncidence rate of adverse eventsAdverse eventsPatient-monthsLymphocytic leukemiaIncidence ratePatients treated with ibrutinibTreatment of chronic lymphocytic leukemiaStandard-of-care therapyNon-discontinuationInitiation of ibrutinibBTK inhibitor ibrutinibAdverse event ratesPotential side effectsInhibitor ibrutinibMedicare beneficiariesReal-world analysisAtrial fibrillationFollow-upIbrutinibSide effectsReal-world outcomesEvent ratesLeukemia
2023
Real-World Patterns of Targeted Therapy Use in Chronic Lymphocytic Leukemia and Small Lymphocytic Lymphoma in the United States: A Longitudinal Study
De Nigris E, Cheng W, Sarpong E, Leng S, Farooqui M, Agu U, Catillon M, Lejeune D, Downes N, Matay L, Duh M, Huntington S. Real-World Patterns of Targeted Therapy Use in Chronic Lymphocytic Leukemia and Small Lymphocytic Lymphoma in the United States: A Longitudinal Study. Blood 2023, 142: 6523. DOI: 10.1182/blood-2023-178660.Peer-Reviewed Original ResearchB-cell lymphoma-2 inhibitorBruton tyrosine kinase inhibitorsProportion of patientsCLL/SLLSmall lymphocytic lymphomaTyrosine kinase inhibitorsLymphocytic lymphomaNew agentsChronic lymphocytic leukemia/small lymphocytic lymphomaMedian age 73 yearsOptum Clinformatics DataMart databaseClinformatics DataMart databaseEnd of eligibilityObservation periodThird of patientsAge 73 yearsClaims-based algorithmChronic lymphocytic leukemiaTreatment classesReal-world studyNovel Bruton's tyrosine kinase inhibitorEligible patientsIndex dateAdult patientsTargeted agentsReal-World Comparison of Healthcare Costs of Venetoclax-Obinutuzumab Vs. Btki Use Among Elderly U.S. Medicare Beneficiaries with Chronic Lymphocytic Leukemia in the Front-Line (1L) Setting
Manzoor B, Huntington S, Jawaid D, Puckett J, Emechebe N, Ravelo A, Kamal-Bahl S, Doshi J. Real-World Comparison of Healthcare Costs of Venetoclax-Obinutuzumab Vs. Btki Use Among Elderly U.S. Medicare Beneficiaries with Chronic Lymphocytic Leukemia in the Front-Line (1L) Setting. Blood 2023, 142: 5085. DOI: 10.1182/blood-2023-177939.Peer-Reviewed Original ResearchChronic lymphocytic leukemiaPost-index periodU.S. Medicare beneficiariesBTK inhibitorsHealth care costsMedicare beneficiariesTreatment periodIndex dateMonth 13Months 0Prescription coverageLymphocytic leukemiaHealthcare costsCare costsMonths post-index periodDiagnosis of CLLMonthly health care costsMonthly costCause total costsFixed-duration treatmentPre-index periodPrior CLL treatmentTreatment-free remissionBCL-2 inhibitor venetoclaxFront-line settingIbrutinib discontinuation and associated factors in a real-world national sample of elderly Medicare beneficiaries with chronic lymphocytic leukemia
Huntington S, de Nigris E, Puckett J, Kamal-Bahl S, Farooqui M, Ryland K, Sarpong E, Leng S, Yang X, Doshi J. Ibrutinib discontinuation and associated factors in a real-world national sample of elderly Medicare beneficiaries with chronic lymphocytic leukemia. Leukemia & Lymphoma 2023, 64: 2286-2295. PMID: 37870435, DOI: 10.1080/10428194.2023.2256911.Peer-Reviewed Original ResearchConceptsChronic lymphocytic leukemiaIbrutinib discontinuationLymphocytic leukemiaHalf of patientsMonths of initiationElderly Medicare beneficiariesLarge unmet needPart D low-income subsidyLow-income subsidyCardiovascular comorbiditiesElderly patientsReal-world practiceIbrutinib treatmentLymphocytic lymphomaAdvanced ageClinical trialsMedical CenterMedicare claimsDiscontinuationHigh riskMedicare beneficiariesUnmet needPatientsLeukemiaTwo-thirdsReal-world adherence and discontinuation among Medicare beneficiaries initiating venetoclax vs. BTKis in relapsed/refractory chronic lymphocytic leukemia
Huntington S, Manzoor B, Puckett J, Kamal-Bahl S, Alhasani H, Ravelo A, Jawaid D, Doshi J. Real-world adherence and discontinuation among Medicare beneficiaries initiating venetoclax vs. BTKis in relapsed/refractory chronic lymphocytic leukemia. Leukemia & Lymphoma 2023, 64: 2316-2323. PMID: 37732602, DOI: 10.1080/10428194.2023.2255326.Peer-Reviewed Original ResearchConceptsChronic lymphocytic leukemiaReal-world adherenceRefractory chronic lymphocytic leukemiaTyrosine kinase inhibitorsLymphocytic leukemiaB-cell lymphoma-2 inhibitorBruton tyrosine kinase inhibitorsNovel oral agentsClinical trial dataOral agentsClinical characteristicsElderly patientsTreatment landscapeTreatment initiationReal-world findingsHigh adherenceMedicare beneficiariesLower discontinuationTrial dataDiscontinuationPatientsOlder adultsKinase inhibitorsAdherenceLeukemiaThe COVID-19 Pandemic and In-Person Visit Rate Disruptions Among Patients With Hematologic Neoplasms in the US in 2020 to 2021
Goyal G, Lau K, Wang X, Davidoff A, Huntington S, Jamy O, Calip G, Shah H, Stephens D, Miksad R, Parikh R, Takvorian S, Neparidze N, Seymour E. The COVID-19 Pandemic and In-Person Visit Rate Disruptions Among Patients With Hematologic Neoplasms in the US in 2020 to 2021. JAMA Network Open 2023, 6: e2316642. PMID: 37273206, PMCID: PMC10242428, DOI: 10.1001/jamanetworkopen.2023.16642.Peer-Reviewed Original ResearchConceptsEarly pandemic monthsOral therapyOutpatient infusionsChronic lymphocytic leukemiaHematologic neoplasmsVisit ratesTelemedicine useCohort studyPandemic monthsLymphocytic leukemiaRetrospective observational cohort studyData cutoff datePerson medical careSubsequent cancer outcomesHalf of patientsObservational cohort studyMantle cell lymphomaCOVID-19COVID-19 pandemicNon-Hispanic whitesMedian ageActive treatmentCancer outcomesMultiple myelomaActive patientsEE158 Healthcare Resource Utilization and Costs Among Medicare Beneficiaries Initiating Venetoclax Vs. Btkis for Relapsed/Refractory Chronic Lymphocytic Leukemia: A Real-World Study
Huntington S, Manzoor B, Jawaid D, Puckett J, Alhasani H, Ravelo A, Kamal-Bahl S, Emechebe N, Doshi J. EE158 Healthcare Resource Utilization and Costs Among Medicare Beneficiaries Initiating Venetoclax Vs. Btkis for Relapsed/Refractory Chronic Lymphocytic Leukemia: A Real-World Study. Value In Health 2023, 26: s88-s89. DOI: 10.1016/j.jval.2023.03.461.Peer-Reviewed Original Research
2022
Real-World Treatment Patterns and Outcomes after Ibrutinib Discontinuation Among Elderly Medicare Beneficiaries with Chronic Lymphocytic Leukemia: An Observational Study
Huntington S, De Nigris E, Puckett J, Kamal-Bahl S, Farooqui M, Ryland K, Sarpong E, Yang X, Doshi J. Real-World Treatment Patterns and Outcomes after Ibrutinib Discontinuation Among Elderly Medicare Beneficiaries with Chronic Lymphocytic Leukemia: An Observational Study. Blood 2022, 140: 7939-7940. DOI: 10.1182/blood-2022-155903.Peer-Reviewed Original ResearchPoster: CLL-410 Adherence and Discontinuation Among Medicare Beneficiaries Initiating Venetoclax versus BTKis for Relapsed/Refractory Chronic Lymphocytic Leukemia
Huntington S, Manzoor B, Puckett J, Kamal-Bahl S, Alhasani H, Ravelo A, Fuldeore M, Doshi J. Poster: CLL-410 Adherence and Discontinuation Among Medicare Beneficiaries Initiating Venetoclax versus BTKis for Relapsed/Refractory Chronic Lymphocytic Leukemia. Clinical Lymphoma Myeloma & Leukemia 2022, 22: s143. DOI: 10.1016/s2152-2650(22)00867-9.Peer-Reviewed Original ResearchCLL-410 Adherence and Discontinuation Among Medicare Beneficiaries Initiating Venetoclax versus BTKis for Relapsed/Refractory Chronic Lymphocytic Leukemia
Huntington S, Manzoor B, Puckett J, Kamal-Bahl S, Alhasani H, Ravelo A, Fuldeore M, Doshi J. CLL-410 Adherence and Discontinuation Among Medicare Beneficiaries Initiating Venetoclax versus BTKis for Relapsed/Refractory Chronic Lymphocytic Leukemia. Clinical Lymphoma Myeloma & Leukemia 2022, 22: s277-s278. DOI: 10.1016/s2152-2650(22)01345-3.Peer-Reviewed Original ResearchPoor clinical characteristicsClinical characteristicsReal-world studyUnadjusted ratesMedicare beneficiariesRelapsed/Refractory Chronic Lymphocytic LeukemiaRefractory chronic lymphocytic leukemiaChronic lymphocytic leukemia treatmentRetrospective claims-based studyOlder adultsPost-index periodReal-world adherenceHigher unadjusted ratesClaims-based studyService Medicare beneficiariesChronic lymphocytic leukemiaNational Medicare dataClinical trial dataR CLLRefractory CLLTreatment patternsAdjusted outcomesTreatment outcomesHigh adherenceLymphocytic leukemia
2021
Efficacy and Safety of Ublituximab in Combination with Umbralisib (U2) in Patients with Chronic Lymphocytic Leukemia (CLL) By Treatment Status: A Sub-Analysis of the Phase 3 Unity-CLL Study
Jacobs R, Jurczak W, Flinn I, Grosicki S, Giannopoulos K, Wróbel T, Zafar S, Cultrera J, Kambhampati S, Danilov A, Burke J, Goldschmidt J, Beach D, Huntington S, Ibarz J, Sharman J, Siddiqi T, Brander D, Shadman M, Pagel J, Dlugosz-Danecka M, Ghosh N, Kolibaba K, Sportelli P, Miskin H, O'Connor O, Weiss M, Gribben J. Efficacy and Safety of Ublituximab in Combination with Umbralisib (U2) in Patients with Chronic Lymphocytic Leukemia (CLL) By Treatment Status: A Sub-Analysis of the Phase 3 Unity-CLL Study. Blood 2021, 138: 3726. DOI: 10.1182/blood-2021-147460.Peer-Reviewed Original ResearchSarah Cannon Research InstituteProgression-free survivalOverall response rateChronic lymphocytic leukemiaCurrent equity holderMedian progression-free survivalUndetectable minimal residual diseaseNon-infectious colitisBristol-Myers SquibbTreatment-naïveTN patientsTreatment statusAstra ZenecaSpeakers bureauKite PharmaPFS ratesMedian durationStudy drugMedian agePT patientsADC therapeuticsDay 1Primary analysisEnhanced antibody-dependent cellular cytotoxicityAntibody-dependent cellular cytotoxicityFavorable Outcomes for Patients Treated with U2 with Co-Morbidities or Concomitant Medications: A Retrospective Analysis of Unity-CLL Phase 3 Trial
Ibarz J, Jurczak W, Kambhampati S, Maranda E, Wróbel T, Sharman J, Zafar S, Hoffmann M, Huntington S, Jacobs R, Bairey O, Rowland C, Miskin H, Sportelli P, Weiss M, O'Connor O, Flinn I. Favorable Outcomes for Patients Treated with U2 with Co-Morbidities or Concomitant Medications: A Retrospective Analysis of Unity-CLL Phase 3 Trial. Blood 2021, 138: 3748. DOI: 10.1182/blood-2021-151292.Peer-Reviewed Original ResearchSarah Cannon Research InstituteBruton tyrosine kinase inhibitorsProgression-free survivalOverall response rateChronic lymphocytic leukemiaCurrent equity holderUndetectable minimal residual diseaseConcomitant medicationsTreatment-naïveRisk factorsTyrosine kinase inhibitorsMedian ageSpeakers bureauDay 1Median progression-free survivalSuperior progression-free survivalSimilar overall response ratesAdvisory CommitteeAdequate organ functionIncidence of SAEsMultiple concomitant medicationsPre-existing comorbidityBaseline disease characteristicsKey secondary endpointDurable clinical benefit
2020
Real-World IgG Testing Frequency and Characteristics Associated with Hypogammaglobulinemia after Anti-CD20 Exposure in Patients with Chronic Lymphocytic Leukemia (CLL)
Hooley I, Maignan K, Jacob A, Medina A, Benderoff L, Chen R, Huntington S. Real-World IgG Testing Frequency and Characteristics Associated with Hypogammaglobulinemia after Anti-CD20 Exposure in Patients with Chronic Lymphocytic Leukemia (CLL). Blood 2020, 136: 43-44. DOI: 10.1182/blood-2020-137094.Peer-Reviewed Original ResearchChronic lymphocytic leukemiaCurrent equity holderIgG testCD20 mAbsBaseline characteristicsIgG levelsSevere hypogammaglobulinemiaHigher likelihoodCD20 monoclonal antibody therapyLogistic regressionUnknown statusAnti-CD20 therapyFirst-line settingClinical baseline characteristicsReal-world cohortSimilar baseline characteristicsMonoclonal antibody therapyPotential adverse eventsHypothesis-generating studyDe-identified databaseCurrent employmentCD20 administrationCD20 therapyConcurrent chemotherapyIgG testingA Once Daily, Oral, Triple Combination of BTK Inhibitor, mTOR Inhibitor and IMiD for Treatment of Relapsed/Refractory Richter's Transformation and De Novo Diffuse Large B-Cell Lymphoma
Mato A, Schuster S, Foss F, Isufi I, Kothari S, Ding W, Brander D, Sitlinger A, Rosenthal A, Leis J, Tun H, Kennard K, Nelson A, Falco V, Komari C, Koehler A, Stowe R, He W, Kearney A, Gui M, McKinlay T, Roeker L, Thompson M, Huntington S. A Once Daily, Oral, Triple Combination of BTK Inhibitor, mTOR Inhibitor and IMiD for Treatment of Relapsed/Refractory Richter's Transformation and De Novo Diffuse Large B-Cell Lymphoma. Blood 2020, 136: 21-22. DOI: 10.1182/blood-2020-138896.Peer-Reviewed Original ResearchB-cell lymphomaChronic lymphocytic leukemiaLarge B-cell lymphomaR DLBCLStem cell transplantDuration of responseRichter transformationCombination therapyPrior therapyUnmet medical needTriple combinationPrimary endpointOverall survivalF. Hoffmann-La RocheMedian age 71 yearsMedical needTyrosine kinase inhibitor monotherapyDe novo diffuse large B-cell lymphomaNovo diffuse large B-cell lymphomaIndolent B-cell lymphomaAdvisory CommitteeMajor unmet medical needDiffuse large B-cell lymphomaHoffmann-La RochePhase IUmbralisib Plus Ublituximab (U2) Is Superior to Obinutuzumab Plus Chlorambucil (O+Chl) in Patients with Treatment Naïve (TN) and Relapsed/Refractory (R/R) Chronic Lymphocytic Leukemia (CLL): Results from the Phase 3 Unity-CLL Study
Gribben J, Jurczak W, Jacobs R, Grosicki S, Giannopoulos K, Wrobel T, Zafar S, Cultrera J, Kambhampati S, Danilov A, Burke J, Goldschmidt J, Beach D, Huntington S, Ibarz J, Sharman J, Siddiqi T, Brander D, Pagel J, Kolibaba K, Dlugosz-Danecka M, Ghosh N, Sportelli P, Miskin H, O'Connor O, Weiss M, Flinn I. Umbralisib Plus Ublituximab (U2) Is Superior to Obinutuzumab Plus Chlorambucil (O+Chl) in Patients with Treatment Naïve (TN) and Relapsed/Refractory (R/R) Chronic Lymphocytic Leukemia (CLL): Results from the Phase 3 Unity-CLL Study. Blood 2020, 136: 37-39. DOI: 10.1182/blood-2020-134783.Peer-Reviewed Original ResearchProgression-free survivalOverall response rateChronic lymphocytic leukemiaR CLLUndetectable minimal residual diseaseCurrent equity holderRefractory chronic lymphocytic leukemiaBristol-Myers SquibbTreatment-naïveDuration of responseBristol-Meyers SquibbDay 1Astra ZenecaSeattle GeneticsSpeakers bureauComplete responseGilead SciencesMaria Sklodowska-Curie National Research InstituteRelapsed/Refractory Chronic Lymphocytic LeukemiaTreatment-naive chronic lymphocytic leukemiaCycle 1Enhanced antibody-dependent cellular cytotoxicityAntibody-dependent cellular cytotoxicityAdvisory CommitteeData Safety Monitoring CommitteeCost-effectiveness of first-line vs third-line ibrutinib in patients with untreated chronic lymphocytic leukemia
Patel KK, Isufi I, Kothari S, Davidoff AJ, Gross CP, Huntington SF. Cost-effectiveness of first-line vs third-line ibrutinib in patients with untreated chronic lymphocytic leukemia. Blood 2020, 136: 1946-1955. PMID: 32518952, DOI: 10.1182/blood.2020004922.Peer-Reviewed Original ResearchConceptsQuality-adjusted life yearsIncremental cost-effectiveness ratioHealth care costsFirst-line ibrutinibLifetime direct health care costsCare costsCost-effectiveness ratioParametric survival modelingUnselected older adultsDirect health care costsUS payer perspectiveCurrent pricingLife yearsFixed-duration treatmentIncremental costIncremental effectivenessPayer perspectiveHigher health care costsIbrutinib armScenario analysisMonthly costCostPricingChronic lymphocytic leukemiaMarkov model
2019
A Phase Ia/Ib Study Exploring the Synthetic Lethality of the Orally Administered Novel BTK Inhibitor, Dtrmwxhs-12 (DTRM-12), in Combination with Everolimus and Pomalidomide in Patients with Relapsed/Refractory CLL, DLBCL or Other B-Cell Lymphomas
Mato A, Schuster S, Foss F, Isufi I, Ding W, Brander D, Sitlinger A, Tun H, Moustafa M, Kennard K, King C, Koehler A, Aitken C, He W, Kearney A, Gui M, Anderson B, Rosenthal A, Roeker L, Huntington S. A Phase Ia/Ib Study Exploring the Synthetic Lethality of the Orally Administered Novel BTK Inhibitor, Dtrmwxhs-12 (DTRM-12), in Combination with Everolimus and Pomalidomide in Patients with Relapsed/Refractory CLL, DLBCL or Other B-Cell Lymphomas. Blood 2019, 134: 810. DOI: 10.1182/blood-2019-126192.Peer-Reviewed Original ResearchChronic lymphocytic leukemiaB-cell lymphomaHodgkin's lymphomaRichter transformationCombination therapyCell lymphomaPrimary endpointRelapsed/Refractory Chronic Lymphocytic LeukemiaDose reduction/interruptionDose-limiting toxicity periodLow-dose combination therapyMedian age 70 yearsR CLLRefractory chronic lymphocytic leukemiaHigh unmet medical needPhase IMedian prior therapiesReduction/interruptionTriplet combination therapyUS multicenter studyAcceptable safety profileProgression-free survivalDaily oral administrationDurability of responseAge 70 years