A multicenter phase Ib trial of the histone deacetylase inhibitor entinostat in combination with pembrolizumab in patients with myelodysplastic syndromes/neoplasms or acute myeloid leukemia refractory to hypomethylating agents
Bewersdorf J, Shallis R, Sharon E, Park S, Ramaswamy R, Roe C, Irish J, Caldwell A, Wei W, Yacoub A, Madanat Y, Zeidner J, Altman J, Odenike O, Yerrabothala S, Kovacsovics T, Podoltsev N, Halene S, Little R, Piekarz R, Gore S, Kim T, Zeidan A. A multicenter phase Ib trial of the histone deacetylase inhibitor entinostat in combination with pembrolizumab in patients with myelodysplastic syndromes/neoplasms or acute myeloid leukemia refractory to hypomethylating agents. Annals Of Hematology 2023, 103: 105-116. PMID: 38036712, DOI: 10.1007/s00277-023-05552-4.Peer-Reviewed Original ResearchConceptsDose-limiting toxicityAcute myeloid leukemiaMarrow complete remissionPhase Ib trialAdverse eventsIb trialDose escalationNCI Cancer Therapy Evaluation ProgramAcute myeloid leukemia refractoryHematologic adverse eventsProtocol-defined responseDose level 1Anti-PD1 therapyAnti-PD1 antibodyDose-escalation designLimited clinical efficacySystems immunology approachHistone deacetylase inhibitor entinostatLeukemia refractoryMCR patientsComplete remissionRespiratory failureSuppressor cellsEscalation designClinical efficacyMolecular Measurable Residual Disease (MRD) Clearance (≤1%) Is Associated with Improved Clinical Outcomes in Patients with Higher-Risk Myelodysplastic Neoplasms (HR-MDS): An Exploratory Analysis of Stimulus-MDS1 in Patients Receiving Sabatolimab or Placebo + Hypomethylating Agent (HMA)
Zeidan A, Fenaux P, Han X, James D, Malek K, Ramos P, Miyazaki Y, Platzbecker U. Molecular Measurable Residual Disease (MRD) Clearance (≤1%) Is Associated with Improved Clinical Outcomes in Patients with Higher-Risk Myelodysplastic Neoplasms (HR-MDS): An Exploratory Analysis of Stimulus-MDS1 in Patients Receiving Sabatolimab or Placebo + Hypomethylating Agent (HMA). Blood 2023, 142: 3236. DOI: 10.1182/blood-2023-180765.Peer-Reviewed Original ResearchProgression-free survivalTime-dependent Cox modelBest overall responseOverall survivalHypomethylating agentMRD cohortComplete remissionClinical outcomesVariant allelic frequencyMRD statusPartial remissionPrognostic valueMRD-1Next-generation sequencingLandmark analysisCox modelCR/PRInternational Prognostic Scoring SystemMarrow complete remissionHigh-risk MDSPrognostic scoring systemLow disease burdenMononuclear cell samplesLower hazard ratioPotential prognostic valueCharacteristics and Outcomes of Younger Adult Patients (Pts) with Myelodysplastic Syndromes (MDS): A Multicenter Retrospective Study
Abaza Y, Xie Z, Burkart M, Badar T, Desai P, Shallis R, Patel A, Cohen-Nowak A, Oh T, Walker C, Easwar N, Kewan T, Cannova J, Bell-Burdett K, Al Ali N, Sallman D, Roboz G, Carraway H, Zeidan A, Patnaik M, Altman J, Komrokji R. Characteristics and Outcomes of Younger Adult Patients (Pts) with Myelodysplastic Syndromes (MDS): A Multicenter Retrospective Study. Blood 2023, 142: 3232. DOI: 10.1182/blood-2023-188328.Peer-Reviewed Original ResearchHigh-risk myelodysplastic syndromeMedian overall survivalMulticenter retrospective studyRisk myelodysplastic syndromesOverall survivalYA groupMyelodysplastic syndromeYounger ptsComplete remissionAllo-SCTBaseline characteristicsFrontline therapyHematologic improvementMedian ageRetrospective studyCommon subtypeBlasts-2Exact testUpfront allogeneic stem cell transplantationIntermediate-risk myelodysplastic syndromesTherapy-related myelodysplastic syndromeAllogeneic stem cell transplantationDe novo myelodysplastic syndromeExcess blasts-2Marrow complete remissionEncouraging Efficacy Observed in Bexmab Study: A Phase 1/2 Study to Assess Safety and Efficacy of Bexmarilimab in Combination with Standard of Care in Myeloid Malignancies
Kontro M, Stein A, Pyörälä M, Rimpiläinen J, Siitonen T, Hollmén M, Fjaellskog M, Pawlitzky I, Zeidan A, Daver N. Encouraging Efficacy Observed in Bexmab Study: A Phase 1/2 Study to Assess Safety and Efficacy of Bexmarilimab in Combination with Standard of Care in Myeloid Malignancies. Blood 2023, 142: 2915. DOI: 10.1182/blood-2023-174912.Peer-Reviewed Original ResearchAcute myeloid leukemiaR AMLCLEVER-1Complete remissionStandard of careBex treatmentAdverse eventsBone marrow cellsHMA failureMarrow CRPatient BMPrior therapyPartial remissionAML patientsMedian numberT cellsDose levelsMyeloid malignanciesHigh-risk MDS patientsMarrow cellsMarrow complete remissionR AML patientsRisk MDS patientsNK cell numbersPhase 1/2 studySafety, 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 remissionConsensus proposal for revised International Working Group 2023 response criteria for higher-risk myelodysplastic syndromes
Zeidan A, Platzbecker U, Bewersdorf J, Stahl M, Adès L, Borate U, Bowen D, Buckstein R, Brunner A, Carraway H, Daver N, Díez-Campelo M, de Witte T, DeZern A, Efficace F, Garcia-Manero G, Garcia J, Germing U, Giagounidis A, Griffiths E, Hasserjian R, Hellström-Lindberg E, Iastrebner M, Komrokji R, Kulasekararaj A, Malcovati L, Miyazaki Y, Odenike O, Santini V, Sanz G, Scheinberg P, Stauder R, van de Loosdrecht A, Wei A, Sekeres M, Fenaux P. Consensus proposal for revised International Working Group 2023 response criteria for higher-risk myelodysplastic syndromes. Blood 2023, 141: 2047-2061. PMID: 36724453, DOI: 10.1182/blood.2022018604.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsHigh-risk MDSComplete remissionResponse criteriaInternational Working GroupClinical trialsHigh-risk myelodysplastic syndromeEnd pointMarrow complete remissionPartial hematologic recoveryClinical end pointsPatient-centered outcomesNovel investigational drugsVariable clinical presentationEvent end pointsHemoglobin thresholdHematologic recoveryCount recoveryClinical presentationClinical benefitMyelodysplastic syndromeIWG criteriaMyelodysplastic neoplasmsConsensus recommendationsInvestigational drugsNew agents