2024
Integrated genetic, epigenetic, and immune landscape of TP53 mutant AML and higher risk MDS treated with azacitidine
Zeidan A, Bewersdorf J, Hasle V, Shallis R, Thompson E, de Menezes D, Rose S, Boss I, Halene S, Haferlach T, Fox B. Integrated genetic, epigenetic, and immune landscape of TP53 mutant AML and higher risk MDS treated with azacitidine. Therapeutic Advances In Hematology 2024, 15: 20406207241257904. PMID: 38883163, PMCID: PMC11180421, DOI: 10.1177/20406207241257904.Peer-Reviewed Original ResearchHigher-risk myelodysplastic syndromesAcute myeloid leukemiaBone marrowMutation statusImmune landscapeImmunological landscapeAnti-PD-L1 antibody durvalumabHR-MDS patientsWild-type acute myeloid leukemiaTP53-mutant acute myeloid leukemiaMutant acute myeloid leukemiaAzacitidine-based therapyWild-type patientsImmune checkpoint proteinsImmune checkpoint expressionT cell populationsWild-typeStatistically significant decreaseAZA therapyImmunosuppressive microenvironmentPD-L1Mutant patientsDNA methylation arraysCheckpoint expressionMyelodysplastic syndrome
2023
Impact of Type of Hypomethylating Agent (HMA) Used on Outcomes of Patients (Pts) with Higher-Risk Myelodysplastic Syndromes/Neoplasms (HR-MDS) - a Large, Multicenter, Retrospective Analysis
Bewersdorf J, Kewan T, Blaha O, Stahl M, Al Ali N, DeZern A, Sekeres M, Uy G, Carraway H, Desai P, Griffiths E, Stein E, Brunner A, McMahon C, Zeidner J, Savona M, Stempel J, Chandhok N, Ramaswamy R, Roboz G, Rolles B, Wang E, Harris A, Amaya M, Hawkins H, Grenet J, Gurnari C, Shallis R, Xie Z, Maciejewski J, Sallman D, Della Porta M, Komrokji R, Zeidan A. Impact of Type of Hypomethylating Agent (HMA) Used on Outcomes of Patients (Pts) with Higher-Risk Myelodysplastic Syndromes/Neoplasms (HR-MDS) - a Large, Multicenter, Retrospective Analysis. Blood 2023, 142: 4613. DOI: 10.1182/blood-2023-178728.Peer-Reviewed Original ResearchCox multivariable regression modelOverall survivalHMA initiationHypomethylating agentMultivariable regression modelsTP53 mutationsAllo-HCTComplete remissionComplex karyotypePartner drugsBone marrowSurvival analysisAllogeneic hematopoietic cell transplantMultivariable Cox regression modelsTreatment typeOverall responseAdverse genetic featuresMedian overall survivalOutcomes of patientsHematopoietic cell transplantAdverse overall survivalKaplan-Meier methodCox regression modelLog-rank testPredictors of responseSafety, Pharmacodynamic, and Anti-Tumor Activity of SL-172154 As Monotherapy and in Combination with Azacitidine (AZA) in Relapsed/Refractory (R/R) Acute Myeloid Leukemia (AML) and Higher-Risk Myelodysplastic Syndromes/Neoplasms (HR-MDS) Patients (pts)
Daver N, Stein A, Bixby D, Chai-Ho W, Zeidner J, Maher K, Stevens D, Stahl M, Yee K, Curran E, Ito S, Sochacki A, Sallman D, Hernandez R, Metenou S, Ma B, Kato K, Zeidan A. Safety, Pharmacodynamic, and Anti-Tumor Activity of SL-172154 As Monotherapy and in Combination with Azacitidine (AZA) in Relapsed/Refractory (R/R) Acute Myeloid Leukemia (AML) and Higher-Risk Myelodysplastic Syndromes/Neoplasms (HR-MDS) Patients (pts). Blood 2023, 142: 4278. DOI: 10.1182/blood-2023-173991.Peer-Reviewed Original ResearchR AMLAcute myeloid leukemiaTreatment-emergent AEsInfusion-related reactionsDose-limiting toxicityDose-escalation cohortsHR-MDSDose-dependent increaseComplete remissionObjective responseAnti-tumor activityBone marrowHypomethylating agentAllo-HCTAML ptsEvaluable ptsEscalation cohortsDose escalationRelapsed/Refractory Acute Myeloid LeukemiaMedian age 70 yearsMorphologic leukemia-free statePhase 1 dose escalationSIRPα-Fc fusion proteinRefractory acute myeloid leukemiaMarrow complete remissionLuspatercept Modulates Inflammation in the Bone Marrow, Restores Effective Erythropoiesis/Hematopoiesis, and Provides Sustained Clinical Benefit Versus Epoetin Alfa (EA): Biomarker Analysis from the Phase 3 COMMANDS Study
Hayati S, Zeidan A, Garcia-Manero G, Platzbecker U, Ahsan A, Verma A, Aluri S, Guerrero M, Gandhi A, Suragani R, Vodala S. Luspatercept Modulates Inflammation in the Bone Marrow, Restores Effective Erythropoiesis/Hematopoiesis, and Provides Sustained Clinical Benefit Versus Epoetin Alfa (EA): Biomarker Analysis from the Phase 3 COMMANDS Study. Blood 2023, 142: 1845. DOI: 10.1182/blood-2023-178674.Peer-Reviewed Original ResearchBM mononuclear cellsLow-risk MDSEpoetin alfaWk 48Myelodysplastic syndromeWk 24Clinical benefitPg/Bone marrowErythroid precursorsITT populationIL-1Ring sideroblastsN-terminal pro-brain natriuretic peptideLower-risk myelodysplastic syndromesPro-brain natriuretic peptideHematopoietic stem cellsDysplastic erythroid precursorsRBC transfusion independencePhase 3 trialSuperior clinical benefitSerum cytokine analysisAnti-inflammatory signalingIL-10 signalingComplete blood count
2021
Immune and Epigenetic Landscape of TP53-mutated Acute Myeloid Leukemia (AML) and Higher-Risk Myelodysplastic Syndromes (HR-MDS)
Zeidan A, Bewersdorf J, Hasle V, Thompson E, de Menezes D, Rose S, Boss I, Fox B. Immune and Epigenetic Landscape of TP53-mutated Acute Myeloid Leukemia (AML) and Higher-Risk Myelodysplastic Syndromes (HR-MDS). Blood 2021, 138: 3371. DOI: 10.1182/blood-2021-146329.Peer-Reviewed Original ResearchHigh-risk myelodysplastic syndromeClinical Trials CommitteeAcute myeloid leukemiaBristol-Myers SquibbCurrent equity holderPoor-risk cytogeneticsVariant allele frequencyAML ptsOverall response rateTrials CommitteeMedian OSTP53 mutationsMyeloid neoplasmsFlow cytometryPeripheral bloodT cell genesHigh expressionBone marrowAverage variant allele frequencyRandomized phase 2 studyBone marrow flow cytometryT-cell gene signatureTumor cellsBM blast percentageIPSS-R score
2019
Will deeper characterization of the landscape of immune checkpoint molecules in acute myeloid leukemia bone marrow lead to improved therapeutic targeting?
Vandsemb EN, Kim TK, Zeidan AM. Will deeper characterization of the landscape of immune checkpoint molecules in acute myeloid leukemia bone marrow lead to improved therapeutic targeting? Cancer 2019, 125: 1410-1413. PMID: 30861094, PMCID: PMC6467744, DOI: 10.1002/cncr.32042.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus Statements
2018
The use of immunosuppressive therapy in MDS: clinical outcomes and their predictors in a large international patient cohort
Stahl M, DeVeaux M, de Witte T, Neukirchen J, Sekeres MA, Brunner AM, Roboz GJ, Steensma DP, Bhatt VR, Platzbecker U, Cluzeau T, Prata PH, Itzykson R, Fenaux P, Fathi AT, Smith A, Germing U, Ritchie EK, Verma V, Nazha A, Maciejewski JP, Podoltsev NA, Prebet T, Santini V, Gore SD, Komrokji RS, Zeidan AM. The use of immunosuppressive therapy in MDS: clinical outcomes and their predictors in a large international patient cohort. Blood Advances 2018, 2: 1765-1772. PMID: 30037803, PMCID: PMC6058241, DOI: 10.1182/bloodadvances.2018019414.Peer-Reviewed Original ResearchConceptsAnti-thymocyte globulinRBC transfusion independenceImmunosuppressive therapyTransfusion independenceOverall response rateHypocellular bone marrowMyelodysplastic syndromeOverall survivalBone marrowRed blood cell transfusion independenceHorse anti-thymocyte globulinRabbit anti-thymocyte globulinInternational Working Group criteriaCox proportional hazards modelSingle-center natureMedian overall survivalKaplan-Meier methodLarge international cohortLarge international patient cohortProportional hazards modelInternational patient cohortPredictors of benefitParoxysmal nocturnal hemoglobinuriaLogistic regression modelsSteroid monotherapy