2024
AML-545 Long-Term Follow-up Demonstrates Ongoing Efficacy Benefit of 131I-Apamistamab-led Allogeneic Hematopoietic Cell Transplantation in Older Patients With Active, R/R AML in the Phase 3 SIERRA Trial
Seropian S, Gyurkocza B, Nath R, Choe H, Litzow M, Abboud C, Koshy N, Stiff P, Tomlinson B, Abhyankar S, Foran J, Abedin S, Chen G, Al-Kadhimi Z, Kebriaei P, Sabloff M, Orozco J, Jamieson K, Silverman M, Van Besien K, Schuster M, Law A, Mayer S, Lazarus H, Spross J, Li K, Vusirikala M, Sandmaier B, Pagel J, Desai A, Giralt S. AML-545 Long-Term Follow-up Demonstrates Ongoing Efficacy Benefit of 131I-Apamistamab-led Allogeneic Hematopoietic Cell Transplantation in Older Patients With Active, R/R AML in the Phase 3 SIERRA Trial. Clinical Lymphoma Myeloma & Leukemia 2024, 24: s319. DOI: 10.1016/s2152-2650(24)01210-2.Peer-Reviewed Original ResearchAllogeneic hematopoietic cell transplantationR/R AMLHematopoietic cell transplantationFollow-upOverall survivalCell transplantationCC patientsCurative allogeneic hematopoietic cell transplantationOlder patientsControlled phase 3 studiesRefractory acute myeloid leukemiaConventional careMedian overall survivalR/R AML patientsMedian follow-upTotal body irradiationBaseline patient characteristicsAcute myeloid leukemiaAnalysis of efficacyOff-target toxicityLong-term survivorsCD45-expressing cellsData cutoffBody irradiationMucositis rates131I-Apamistamab Improves Outcomes in Patients 65 Years and Older with Relapsed or Refractory AML
Nath R, Seropian S, Gyurkocza B, Choe H, Litzow M, Abboud C, Koshy N, Stiff P, Abhyankar S, Foran J, Abedin S, Chen G, Al-Kadhimi Z, Kebriaei P, Sabloff M, Orozco J, Jamieson K, Silverman M, van Besien K, Schuster M, Law A, Spross J, Li K, Nagl N, Vusirikala M, Nahar A, Desai A, Tomlinson B. 131I-Apamistamab Improves Outcomes in Patients 65 Years and Older with Relapsed or Refractory AML. Transplantation And Cellular Therapy 2024, 30: s54-s55. DOI: 10.1016/j.jtct.2023.12.089.Peer-Reviewed Original ResearchHematopoietic cell transplantationPrimary induction failureAcute myeloid leukemiaHigh-risk featuresNon-relapse mortalityCR/CRp ratesInduction failureCurative allogeneic hematopoietic cell transplantationAcute myeloid leukemia ptsAdverse cytogenetic risk groupControlled phase 3 studiesEradication of leukemic cellsRefractory acute myeloid leukemiaAllogeneic hematopoietic cell transplantationCC armCytogenetic risk groupMultiple high-risk featuresTotal body irradiationPhase 3 studyConventional careHigh-risk populationCompared to 0%BCL2 inhibitorsBody irradiationCell transplantation
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 sepsis59 Myeloablative Targeted Conditioning with Anti-CD45 Iodine (131I) Apamistamab [Iomab-B] Spares the GI Tract and Has Low Incidence of Severe Mucositis, Febrile Neutropenia and Sepsis in the Prospective, Randomized Phase 3 Sierra Trial for Patients with Relapsed or Refractory Acute Myeloid Leukemia (AML)
Nath R, Gyurkocza B, Choe H, Seropian S, Stiff P, Agura E, Abhyankar S, Litzow M, Tomlinson B, Abboud C, Chen G, Hari P, Orozco J, Sabloff M, Al-Kadhimi Z, Van Besien K, Silverman M, Foran J, Schuster M, Kebriaei P, Levy M, Lazarus H, Giralt S, Liang Q, Berger M, Reddy V, Pagel J. 59 Myeloablative Targeted Conditioning with Anti-CD45 Iodine (131I) Apamistamab [Iomab-B] Spares the GI Tract and Has Low Incidence of Severe Mucositis, Febrile Neutropenia and Sepsis in the Prospective, Randomized Phase 3 Sierra Trial for Patients with Relapsed or Refractory Acute Myeloid Leukemia (AML). Transplantation And Cellular Therapy 2021, 27: s56. DOI: 10.1016/s2666-6367(21)00085-3.Peer-Reviewed Original Research
2020
High Doses of Targeted Radiation with Anti-CD45 Iodine (131I) Apamistamab [Iomab-B] Do Not Correlate with Incidence of Mucositis, Febrile Neutropenia or Sepsis in the Prospective, Randomized Phase 3 Sierra Trial for Patients with Relapsed or Refractory Acute Myeloid Leukemia
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. High Doses of Targeted Radiation with Anti-CD45 Iodine (131I) Apamistamab [Iomab-B] Do Not Correlate with Incidence of Mucositis, Febrile Neutropenia or Sepsis in the Prospective, Randomized Phase 3 Sierra Trial for Patients with Relapsed or Refractory Acute Myeloid Leukemia. Blood 2020, 136: 30-31. DOI: 10.1182/blood-2020-134624.Peer-Reviewed Original ResearchHematopoietic cell transplantationAcute myeloid leukemiaCurrent equity holderR AMLFebrile neutropeniaTherapeutic doseGI tractBone marrowConventional careOlder patientsMyeloid leukemiaRefractory (R/R) AMLHigh-risk acute myeloid leukemiaLow-dose total body irradiationHigh dosesRadiation doseMyeloablative hematopoietic cell transplantationRefractory acute myeloid leukemiaAllogeneic hematopoietic cell transplantationAdvisory CommitteeAEs of interestIncidence of mucositisRate of mucositisInitiation of therapyMedian radiation dose
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