2024
Dose-Response Demonstrated for Durable Complete Remission Following High-Dose Targeted Radiation with 131I-Apamistamab Prior to HCT in Patients with R/R AML
Chen G, Abboud C, Gyurkocza B, Nath R, Seropian S, Choe H, Litzow M, Koshy N, Stiff P, Tomlinson B, Abhyankar S, Foran J, Abedin S, Al-Kadhimi Z, Kebriaei P, Sabloff M, Orozco J, Jamieson K, Magalhaes-Silverman M, van Besien K, Schuster M, Law A, Leung E, Chen M, Natwa M, Spross J, Li K, Desai A, Wahl R, Brodin P, Pandit-Taskar N. Dose-Response Demonstrated for Durable Complete Remission Following High-Dose Targeted Radiation with 131I-Apamistamab Prior to HCT in Patients with R/R AML. Transplantation And Cellular Therapy 2024, 30: s114-s115. DOI: 10.1016/j.jtct.2023.12.180.Peer-Reviewed Original ResearchPrimary endpointBone marrowLiver doseDose responseCurative allogeneic hematopoietic cell transplantationDose toleranceControlled phase 3 studiesEradication of leukemic cellsRate of hematologic toxicityAllogeneic hematopoietic cell transplantationConventional careTotal body irradiationPhase 3 studyHematopoietic cell transplantationRadiation dose toleranceDiseased bone marrowDoses to liverRadiation dose responseDose-response relationshipDose to target tissuesRadiation dose to liverAcute GVHDR/R AMLHematologic toxicityComplete remission
2023
131I-Apamistamab-Led Allogeneic Hematopoietic Cell Transplant Significantly Improves Overall Survival in Patients with TP53 Mutated R/R AML
Choe H, Tomlinson B, Gyurkocza B, Nath R, Seropian S, Litzow M, Abboud C, Stiff P, Abhyankar S, Foran J, Abedin S, Chen G, Al-Kadhimi Z, Kebriaei P, Sabloff M, Orozco J, Jamieson K, Magalhaes-Silverman M, Van Besien K, Schuster M, Law A, Mayer S, Lazarus H, Spross J, Li K, Haeuber E, Vusirikala M, Nahar A, Sandmaier B, Pagel J, Giralt S, Desai A, Koshy N. 131I-Apamistamab-Led Allogeneic Hematopoietic Cell Transplant Significantly Improves Overall Survival in Patients with TP53 Mutated R/R AML. Blood 2023, 142: 469. DOI: 10.1182/blood-2023-182177.Peer-Reviewed Original ResearchMedian overall survivalAllogeneic hematopoietic cell transplantDurable complete remissionHematopoietic cell transplantOverall survivalR AMLConventional careTP53 mutationsPositive ptsCC groupComplete remissionRelapse rateCell transplantHigh post-transplant relapse ratesInitiation of therapyPhase 3 studyTotal body irradiationHigh relapse rateCRP assessmentEvaluable ptsOlder ptsActive diseaseBaseline characteristicsRefractory AMLBody irradiationHigh-Dose Targeted Radiation with 131I-Apamistamab Prior to HCT Demonstrated a Dose-Response for Durable Complete Remission in Patients with R/R AML
Litzow M, Chen G, Gyurkocza B, Nath R, Seropian S, Choe H, Abboud C, Koshy N, Tomlinson B, Abhyankar S, Foran J, Abedin S, Al-Kadhimi Z, Kebriaei P, Sabloff M, Orozco J, Jamieson K, Magalhaes-Silverman M, Van Besien K, Schuster M, Law A, Mayer S, Lazarus H, Leung E, Chen M, Natwa M, Spross J, Li K, Nagl N, Haeuber E, Vusirikala M, Nahar A, Sandmaier B, Pagel J, Giralt S, Desai A, Wahl R, Pandit-Taskar N, Brodin P, Stiff P. High-Dose Targeted Radiation with 131I-Apamistamab Prior to HCT Demonstrated a Dose-Response for Durable Complete Remission in Patients with R/R AML. Blood 2023, 142: 3529. DOI: 10.1182/blood-2023-189040.Peer-Reviewed Original ResearchDurable complete remissionConventional careLiver dosePrimary endpointBone marrowR AMLComplete remissionLiver ratioHigh doseLeukemic cellsRadiation doseAllogeneic hematopoietic cell transplantRadiation dose-response relationshipHematopoietic cell transplantMost older patientsPhase 3 studyTotal body irradiationFavorable biodistributionRadiation dose toleranceYears of ageDose toleranceDose-response relationshipDiseased bone marrowMedian doseRefractory AML131I-Apamistamab Effectively Achieved Durable Responses in Patients with R/R AML Irrespective of the Presence of Multiple High-Risk Factors
Seropian S, Foran J, Gyurkocza B, Nath R, Choe H, Litzow M, Koshy N, Stiff P, Tomlinson B, Abhyankar S, Abedin S, Chen G, Al-Kadhimi Z, Kebriaei P, Sabloff M, Orozco J, Jamieson K, Magalhaes-Silverman M, Van Besien K, Schuster M, Law A, Mayer S, Lazarus H, Spross J, Li K, Haeuber E, Vusirikala M, Nahar A, Sandmaier B, Pagel J, Giralt S, Desai A, Abboud C. 131I-Apamistamab Effectively Achieved Durable Responses in Patients with R/R AML Irrespective of the Presence of Multiple High-Risk Factors. Blood 2023, 142: 2159. DOI: 10.1182/blood-2023-187433.Peer-Reviewed Original ResearchDurable complete remissionAdverse-risk cytogeneticsMultiple risk factorsRisk factorsConventional careCC groupComorbidity indexComplete remissionDurable responsesAllogeneic hematopoietic cell transplantHigh transplant-related mortalityMultiple high-risk factorsPrimary induction failureTransplant-related mortalityHematopoietic cell transplantInitiation of therapyMost older patientsPhase 3 studyHigher comorbidity indexTotal body irradiationHigh-risk factorsMechanism of actionAML ptsCRP assessmentEvaluable pts
2021
Clinical Experience in the Randomized Phase 3 Sierra Trial: Anti-CD45 Iodine (131I) Apamistamab [Iomab-B] Conditioning Enables Hematopoietic Cell Transplantation with Successful Engraftment and Acceptable Safety in Patients with Active, Relapsed/Refractory AML Not Responding to Targeted Therapies
Gyurkocza B, Nath R, Seropian S, Choe H, Litzow M, Koshy N, Stiff P, Abboud C, Tomlinson B, Abhyankar S, Hari P, Al-Kadhimi Z, Chen G, Sabloff M, Orozco J, Foran J, Kebriaei P, Jamieson K, Magalhaes-Silverman M, van Besien K, Schuster M, Law A, Levy M, Lazarus H, Giralt S, Berger M, Spross J, Desai A, Reddy V, Pagel J. Clinical Experience in the Randomized Phase 3 Sierra Trial: Anti-CD45 Iodine (131I) Apamistamab [Iomab-B] Conditioning Enables Hematopoietic Cell Transplantation with Successful Engraftment and Acceptable Safety in Patients with Active, Relapsed/Refractory AML Not Responding to Targeted Therapies. Blood 2021, 138: 1791. DOI: 10.1182/blood-2021-148497.Peer-Reviewed Original ResearchHematopoietic cell transplantAcute myeloid leukemiaR AMLAllogeneic hematopoietic cell transplantComplete remissionMedian radiation doseBristol-Myers SquibbCC patientsTargeted therapyFebrile neutropeniaFLT-3 inhibitorsCurrent equity holderSpeakers bureauConventional careMedian timeBcl-2 inhibitorsIDH inhibitorsRelapsed/Refractory Acute Myeloid LeukemiaIncidence of FNRefractory acute myeloid leukemiaAdvisory CommitteePrincipal investigatorSeattle GeneticsIncidence of gradeIncidence of sepsis
2020
Personalized Targeted Radioimmunotherapy with Anti-CD45 Iodine (131I) Apamistamab [Iomab-B] in Patients with Active Relapsed or Refractory Acute Myeloid Leukemia Results in Successful Donor Hematopoietic Cells Engraftment with the Timing of Engraftment Not Related to the Radiation Dose Delivered
Gyurkocza B, Nath R, Choe H, Seropian S, Stiff P, Abhyankar S, Agura E, Litzow M, Tomlinson B, Chen G, Hari P, Orozco J, Al-Kadhimi Z, Abboud C, Van Besien K, Sabloff M, Magalhaes-Silverman M, Foran J, Schuster M, Kebriaei P, Levy M, Lazarus H, Giralt S, Liang Q, Berger M, Reddy V, Pagel J. Personalized Targeted Radioimmunotherapy with Anti-CD45 Iodine (131I) Apamistamab [Iomab-B] in Patients with Active Relapsed or Refractory Acute Myeloid Leukemia Results in Successful Donor Hematopoietic Cells Engraftment with the Timing of Engraftment Not Related to the Radiation Dose Delivered. Blood 2020, 136: 42-44. DOI: 10.1182/blood-2020-134948.Peer-Reviewed Original ResearchAllogeneic hematopoietic cell transplantationR AMLHematopoietic cell transplantationAcute myeloid leukemiaCurrent equity holderComplete remissionTherapeutic doseMarrow blastsOlder patientsCC patientsDelivery of radiationSalvage therapyPlatelet engraftmentRadiation doseRefractory (R/R) AMLHigh-risk acute myeloid leukemiaLow-dose total body irradiationDonor hematopoietic cell engraftmentAdvisory CommitteeSeattle GeneticsAdequate organ functionFull donor chimerismReduced intensity conditioningPhase 3 trialBone marrow blastsOutcomes for allogeneic stem cell transplantation in refractory mycosis fungoides and primary cutaneous gamma Delta T cell lymphomas
Isufi I, Seropian S, Gowda L, Wilson LD, Roberts K, Girardi M, Perreault S, Foss F. Outcomes for allogeneic stem cell transplantation in refractory mycosis fungoides and primary cutaneous gamma Delta T cell lymphomas. Leukemia & Lymphoma 2020, 61: 2955-2961. PMID: 32643494, DOI: 10.1080/10428194.2020.1790555.Peer-Reviewed Original ResearchConceptsAllogeneic stem cell transplantationMF/SSTime of transplantStem cell transplantationT-cell lymphomaMedian followCell transplantationCell lymphomaPrimary cutaneous gamma-delta T-cell lymphomaCutaneous gamma-delta T-cell lymphomaGamma-delta T-cell lymphomaMF/SS patientsLong-term complete responseCutaneous T-cell lymphomaTotal skin electron beamRefractory mycosis fungoidesClinical complete remissionDisease-free survivalComplete remissionOverall survivalPartial responseSkin involvementComplete responseMycosis fungoidesSS patients
2019
Re-Induction and Targeted Conditioning with Anti-CD45 Iodine (131I) Apamistamab [Iomab-B] Leads to High Rates of Transplantation and Successful Engraftment in Older Patients with Active, Relapsed or Refractory (rel/ref) AML after Failure of Chemotherapy and Targeted Agents: Preliminary Midpoint Results from the Prospective, Randomized Phase 3 Sierra Trial
Gyurkocza B, Nath R, Stiff P, Agura E, Litzow M, Tomlinson B, Choe H, Abhyankar S, Seropian S, Chen G, Hari P, Al-Kadhimi Z, Foran J, Orozco J, Van Besien K, Sabloff M, Kebriaei P, Levy M, Lazarus H, Giralt S, Berger M, Reddy V, Pagel J. Re-Induction and Targeted Conditioning with Anti-CD45 Iodine (131I) Apamistamab [Iomab-B] Leads to High Rates of Transplantation and Successful Engraftment in Older Patients with Active, Relapsed or Refractory (rel/ref) AML after Failure of Chemotherapy and Targeted Agents: Preliminary Midpoint Results from the Prospective, Randomized Phase 3 Sierra Trial. Blood 2019, 134: 5642. DOI: 10.1182/blood-2019-122776.Peer-Reviewed Original ResearchHematopoietic cell transplantationComplete remissionSalvage therapyCC armJazz PharmaceuticalsSpeakers bureauEligible patientsFebrile neutropeniaBM blastsConventional careCC patientsPatient populationGrade 3 febrile neutropeniaGrade 3 infusion reactionsPre-treated patient populationAllogeneic hematopoietic cell transplantationAdvisory CommitteeSeattle GeneticsAdequate organ functionDurable complete remissionPre-treated patientsPhase 3 trialProportion of patientsReduced intensity conditioningLack of efficacy
2018
Targeted Conditioning of Iomab-B (131I-anti-CD45) Prior to Allogeneic Hematopoietic Cell Transplantation Versus Conventional Care in Relapsed or Refractory Acute Myeloid Leukemia (AML): Preliminary Feasibility and Safety Results from the Prospective, Randomized Phase 3 Sierra Trial
Agura E, Gyurkocza B, Nath R, Litzow M, Tomlinson B, Abhyankar S, Seropian S, Stiff P, Choe H, Kebriaei P, Foran J, Chen G, Levy M, Lazarus H, Giralt S, Berger M, Reddy V, Pagel J. Targeted Conditioning of Iomab-B (131I-anti-CD45) Prior to Allogeneic Hematopoietic Cell Transplantation Versus Conventional Care in Relapsed or Refractory Acute Myeloid Leukemia (AML): Preliminary Feasibility and Safety Results from the Prospective, Randomized Phase 3 Sierra Trial. Blood 2018, 132: 1017. DOI: 10.1182/blood-2018-99-111914.Peer-Reviewed Original ResearchHematopoietic cell transplantationAcute myeloid leukemiaR AMLRefractory acute myeloid leukemiaDurable complete remissionComplete remissionActive diseaseYears of ageSalvage therapyDonor chimerismCC armGrade 3Myeloid leukemiaDay 28Frequent non-hematologic adverse eventsNon-hematologic adverse eventsAllogeneic hematopoietic cell transplantationAdequate organ functionR AML patientsStandard induction therapyInfusion-related reactionsPrimary efficacy endpointBone marrow blastsTotal body irradiationOngoing multicenter trial
2009
Decitabine combined with fractionated gemtuzumab ozogamicin therapy in patients with relapsed or refractory acute myeloid leukemia
Chowdhury S, Seropian S, Marks PW. Decitabine combined with fractionated gemtuzumab ozogamicin therapy in patients with relapsed or refractory acute myeloid leukemia. American Journal Of Hematology 2009, 84: 599-600. PMID: 19650144, DOI: 10.1002/ajh.21478.Peer-Reviewed Original ResearchConceptsAcute myeloid leukemiaRefractory acute myeloid leukemiaGemtuzumab ozogamicinNonhematologic toxicityMyeloid leukemiaHematopoietic stem cell transplantationGemtuzumab ozogamicin therapySignificant nonhematologic toxicityStem cell transplantationLow response ratePrior regimensSalvage chemotherapyComplete remissionComplete responseCell transplantationToxicity profileDay 1PatientsSingle agentDay 6Grade 1DecitabineOzogamicinRegimenLeukemia
2008
A Retrospective Comparison of Autologous Vs. Allogeneic Transplantation for Peripheral T-Cell Lymphoma: A Single Institution Experience
Lansigan F, Seropian S, Cooper D, Foss F. A Retrospective Comparison of Autologous Vs. Allogeneic Transplantation for Peripheral T-Cell Lymphoma: A Single Institution Experience. Blood 2008, 112: 4392. DOI: 10.1182/blood.v112.11.4392.4392.Peer-Reviewed Original ResearchPeripheral T-cell lymphomaCutaneous T-cell lymphomaAngioimmunoblastic T-cell lymphomaT-cell lymphomaAlloSCT groupNon-Hodgkin lymphomaFirst remissionComplete remissionPartial remissionDonor transplantsAggressive peripheral T-cell lymphomaRefractory cutaneous T-cell lymphomaSurvival rateMatched-unrelated donor transplantProgression-free survival ratesTransplant-related mortality rateAllogeneic stem cell transplantationHepatosplenic T-cell lymphomaPanniculitic T-cell lymphomaAnaplastic large cell lymphomaFirst complete remissionNon-relapse mortalityReduced-intensity transplantsSecond complete remissionOverall survival rate
1998
Assessment of pulmonary and cardiac function after high dose chemotherapy with BEAM and peripheral blood progenitor cell transplantation
Salloum E, Jillella A, Nadkarni R, Seropian S, Hu G, D'Andrea E, Zelterman D, Cooper D. Assessment of pulmonary and cardiac function after high dose chemotherapy with BEAM and peripheral blood progenitor cell transplantation. Cancer 1998, 82: 1506-1512. PMID: 9554528, DOI: 10.1002/(sici)1097-0142(19980415)82:8<1506::aid-cncr12>3.0.co;2-8.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntineoplastic Combined Chemotherapy ProtocolsCarmustineCombined Modality TherapyCytarabineFemaleHeartHematopoietic Stem Cell TransplantationHodgkin DiseaseHumansLungLymphoma, Non-HodgkinMaleMelphalanMiddle AgedNeutropeniaNeutrophilsPodophyllotoxinRespiratory Function TestsRetrospective StudiesVentricular Function, LeftConceptsHigh-dose chemotherapyPulmonary function testsPeripheral blood progenitor cell transplantationBlood progenitor cell transplantationProgenitor cell transplantationPBPC transplantationDose chemotherapyVital capacityCell transplantationAutologous peripheral blood progenitor cell transplantationAbnormal pulmonary function testsVentricular ejection fraction valuesHigh-dose therapyTotal lung capacityTime of reevaluationEjection fraction valuesEquilibrium radionuclide angiographyMediastinal irradiationAdditional therapyComplete remissionDose therapyPulmonary symptomsExpiratory volumePulmonary functionPFT values