High-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