2024
MDS-156 Efficacy of Imetelstat on Red Blood Cell (RBC)-Transfusion Independence (TI) in the Absence of Platelet Transfusions or Myeloid Growth Factors (MGF) in IMerge
Zeidan A, Santini V, Platzbecker U, Sekeres M, Savona M, Fenaux P, Madanat Y, Raza A, Xia Q, Sun L, Riggs J, Shah S, Navada S, Berry T, Komrokji R. MDS-156 Efficacy of Imetelstat on Red Blood Cell (RBC)-Transfusion Independence (TI) in the Absence of Platelet Transfusions or Myeloid Growth Factors (MGF) in IMerge. Clinical Lymphoma Myeloma & Leukemia 2024, 24: s386. DOI: 10.1016/s2152-2650(24)01344-2.Peer-Reviewed Original ResearchLower-risk myelodysplastic syndromesMyeloid growth factorsErythropoiesis-stimulating agentsRBC-TIPlatelet transfusionsTransfusion-dependentHb levelsLong-term respondersPercentage of patientsHb riseRBC-TDPlacebo patientsNon-del(5qMyelodysplastic syndromePlacebo groupPrimary endpointSecondary endpointsInvestigator's discretionClinical benefitPlaceboAnalysis cutoffImetelstatDisease progressionTransfusionSupportive careLuspatercept versus epoetin alfa in erythropoiesis-stimulating agent-naive, transfusion-dependent, lower-risk myelodysplastic syndromes (COMMANDS): primary analysis of a phase 3, open-label, randomised, controlled trial
Della Porta M, Garcia-Manero G, Santini V, Zeidan A, Komrokji R, Shortt J, Valcárcel D, Jonasova A, Dimicoli-Salazar S, Tiong I, Lin C, Li J, Zhang J, Pilot R, Kreitz S, Pozharskaya V, Keeperman K, Rose S, Prebet T, Lai Y, Degulys A, Paolini S, Cluzeau T, Fenaux P, Platzbecker U. Luspatercept versus epoetin alfa in erythropoiesis-stimulating agent-naive, transfusion-dependent, lower-risk myelodysplastic syndromes (COMMANDS): primary analysis of a phase 3, open-label, randomised, controlled trial. The Lancet Haematology 2024, 11: e646-e658. PMID: 39038479, DOI: 10.1016/s2352-3026(24)00203-5.Peer-Reviewed Original ResearchLower-risk myelodysplastic syndromesRed blood cell transfusion independenceTreatment-emergent adverse eventsMedian follow-upEpoetin alfa groupMyelodysplastic syndromeLuspatercept groupTransfusion-dependentSerum erythropoietin concentrationPrimary endpointEpoetin alfaTransfusion independenceOpen-labelAlfa groupAdverse eventsFollow-upRed blood cell transfusion burdenErythropoietin concentrationIntention-to-treat populationControlled trialsCommon grade 3Epoetin alfa recipientsMean haemoglobin increasePrimary analysisProportion of patientsEfficacy of imetelstat on red blood cell (RBC)-transfusion independence (TI) in the absence of platelet transfusions or myeloid growth factors in IMerge.
Zeidan A, Santini V, Platzbecker U, Sekeres M, Savona M, Fenaux P, Madanat Y, Raza A, Xia Q, Sun L, Riggs J, Shah S, Navada S, Berry T, Komrokji R. Efficacy of imetelstat on red blood cell (RBC)-transfusion independence (TI) in the absence of platelet transfusions or myeloid growth factors in IMerge. Journal Of Clinical Oncology 2024, 42: 6566-6566. DOI: 10.1200/jco.2024.42.16_suppl.6566.Peer-Reviewed Original ResearchLower-risk myelodysplastic syndromesRBC-TIMyeloid growth factorsPlatelet transfusionsTransfusion-dependentHb levelsGrowth factorGrowth factor supportLong-term respondersGrowth factor useErythropoiesis stimulating agentsHb riseSevere neutropeniaMyelodysplastic syndromePlacebo groupPrimary endpointSecondary endpointsFactor supportInvestigator's discretionClinical benefitAdverse eventsPlaceboAnalysis cutoffImetelstatDisease progressionOral decitabine–cedazuridine versus intravenous decitabine for myelodysplastic syndromes and chronic myelomonocytic leukaemia (ASCERTAIN): a registrational, randomised, crossover, pharmacokinetics, phase 3 study
Garcia-Manero G, McCloskey J, Griffiths E, Yee K, Zeidan A, Al-Kali A, Deeg H, Patel P, Sabloff M, Keating M, Zhu N, Gabrail N, Fazal S, Maly J, Odenike O, Kantarjian H, DeZern A, O'Connell C, Roboz G, Busque L, Buckstein R, Amin H, Randhawa J, Leber B, Shastri A, Dao K, Oganesian A, Hao Y, Keer H, Azab M, Savona M. Oral decitabine–cedazuridine versus intravenous decitabine for myelodysplastic syndromes and chronic myelomonocytic leukaemia (ASCERTAIN): a registrational, randomised, crossover, pharmacokinetics, phase 3 study. The Lancet Haematology 2024, 11: e15-e26. PMID: 38135371, DOI: 10.1016/s2352-3026(23)00338-1.Peer-Reviewed Original ResearchConceptsChronic myelomonocytic leukemiaIntravenous decitabineMyelodysplastic syndromeMyelomonocytic leukemiaOral therapyPrimary endpointAdverse eventsEastern Cooperative Oncology Group performance status 0Treatment cyclesCycle 1Full treatment dosePerformance status 0Treatment-related deathsFrequent adverse eventsSerious adverse eventsPhase 3 studyPhase 3 trialPotential treatment benefitsCommunity-based clinicsAcute myeloid leukemiaNext treatment cycleTreatment of individualsOral decitabineStatus 0Treatment discontinuationEFFICACY AND SAFETY OF LUSPATERCEPT VERSUS EPOETIN ALFA IN ERYTHROPOIESIS-STIMULATING AGENT (ESA)-NAIVE PATIENTS WITH TRANSFUSION-DEPENDENT LOWER-RISK MYELODYSPLASTIC SYNDROMES (LR-MDS): FULL ANALYSIS OF THE COMMANDS TRIAL
Garcia-Manero G, Platzbecker U, Santini V, Zeidan A, Fenaux P, Komrokji R, Shortt J, Valcarcel D, Jonasova A, Dimicoli-Salazar S, Tiong I, Lin C, Li J, Zhang J, Giuseppi A, Kreitz S, Pozharskaya V, Keeperman K, Rose S, Prebet T, Degulys A, Paolini S, Cluzeau T, Della Porta M. EFFICACY AND SAFETY OF LUSPATERCEPT VERSUS EPOETIN ALFA IN ERYTHROPOIESIS-STIMULATING AGENT (ESA)-NAIVE PATIENTS WITH TRANSFUSION-DEPENDENT LOWER-RISK MYELODYSPLASTIC SYNDROMES (LR-MDS): FULL ANALYSIS OF THE COMMANDS TRIAL. Leukemia Research Reports 2024, 21: 100447. DOI: 10.1016/j.lrr.2024.100447.Peer-Reviewed Original ResearchLower-risk myelodysplastic syndromesTreatment-emergent adverse eventsEA-treated patientsRBC-TIPrimary endpointHI-ERed blood cell transfusion independenceHematological improvement-erythroidTransfusion independenceErythroid responseMyelodysplastic syndromeSecondary endpointsAdverse eventsFull analysisLuspaterceptAssessed efficacySafety resultsEpoetin alfaTreatment durationPatientsEndpointEfficacyDurationPost-treatmentAML
2023
Sabatolimab plus hypomethylating agents in previously untreated patients with higher-risk myelodysplastic syndromes (STIMULUS-MDS1): a randomised, double-blind, placebo-controlled, phase 2 trial
Zeidan A, Ando K, Rauzy O, Turgut M, Wang M, Cairoli R, Hou H, Kwong Y, Arnan M, Meers S, Pullarkat V, Santini V, Malek K, Kiertsman F, Niolat J, Ramos P, Menssen H, Fenaux P, Miyazaki Y, Platzbecker U. Sabatolimab plus hypomethylating agents in previously untreated patients with higher-risk myelodysplastic syndromes (STIMULUS-MDS1): a randomised, double-blind, placebo-controlled, phase 2 trial. The Lancet Haematology 2023, 11: e38-e50. PMID: 38065203, DOI: 10.1016/s2352-3026(23)00333-2.Peer-Reviewed Original ResearchConceptsHigh-risk myelodysplastic syndromeProgression-free survivalComplete response rateMyelodysplastic syndromePlacebo groupPrimary endpointUntreated patientsAdverse eventsComplete responseResponse rateImmune-mediated adverse eventsMedian progression-free survivalRandomised phase 3 trialT-cell immunoglobulin domainFinal data cutoffTreatment-related deathsCommon adverse eventsFull analysis setMucin domain 3Phase 2 studyPhase 2 trialPhase 3 trialLeukaemic stem cellsFebrile neutropeniaData cutoffEfficacy and safety of luspatercept versus epoetin alfa in erythropoiesis-stimulating agent-naive, transfusion-dependent, lower-risk myelodysplastic syndromes (COMMANDS): interim analysis of a phase 3, open-label, randomised controlled trial
Platzbecker U, Della Porta M, Santini V, Zeidan A, Komrokji R, Shortt J, Valcarcel D, Jonasova A, Dimicoli-Salazar S, Tiong I, Lin C, Li J, Zhang J, Giuseppi A, Kreitz S, Pozharskaya V, Keeperman K, Rose S, Shetty J, Hayati S, Vodala S, Prebet T, Degulys A, Paolini S, Cluzeau T, Fenaux P, Garcia-Manero G. Efficacy and safety of luspatercept versus epoetin alfa in erythropoiesis-stimulating agent-naive, transfusion-dependent, lower-risk myelodysplastic syndromes (COMMANDS): interim analysis of a phase 3, open-label, randomised controlled trial. The Lancet 2023, 402: 373-385. PMID: 37311468, DOI: 10.1016/s0140-6736(23)00874-7.Peer-Reviewed Original ResearchConceptsLower-risk myelodysplastic syndromesRed blood cell transfusion independenceEpoetin alfa groupErythropoiesis-stimulating agentsEpoetin alfaMyelodysplastic syndromeInterim analysisPrimary endpointAdverse eventsAlfa groupTransfusion independenceLower riskBody weightTreatment-emergent adverse eventsTreatment-related adverse eventsRed blood cell transfusionDurable clinical efficacyMean hemoglobin increaseMedian treatment exposureBlood cell transfusionCOVID-19 pneumoniaSubgroup of patientsWeeks of treatmentTreatment of anemiaAcute myeloid leukemia
2022
MDS-476 Sabatolimab (MBG453) Combination Treatment Regimens for Patients With Higher-Risk Myelodysplastic Syndromes (HR-MDS): The Myelodysplastic Syndromes Studies in the STIMULUS Immuno-Myeloid Clinical Trial Program
Zeidan A, Al-Kali A, Borate U, Cluzeau T, DeZern A, Esteve J, Giagounidis A, Kobata K, Lyons R, Platzbecker U, Sallman D, Santini V, Sanz G, Sekeres M, Wei A, Xiao Z, Van Hoef M, Nourry-Boulot C, Sadek I, Ma F, Iordan A, Sabo J, Garcia-Manero G. MDS-476 Sabatolimab (MBG453) Combination Treatment Regimens for Patients With Higher-Risk Myelodysplastic Syndromes (HR-MDS): The Myelodysplastic Syndromes Studies in the STIMULUS Immuno-Myeloid Clinical Trial Program. Clinical Lymphoma Myeloma & Leukemia 2022, 22: s317. DOI: 10.1016/s2152-2650(22)01420-3.Peer-Reviewed Original ResearchHematopoietic stem cell transplantLeukemia-free survivalPhase II trialHigh-risk myelodysplastic syndromeHR-MDS patientsClinical trial programII trialLeukemic stem cellsCombination therapyTim-3Trial programLeukemic cellsTransfusion-free intervalEvent-free survivalPhase III trialsStem cell transplantOverall response rateEarly phase trialsNovartis Pharmaceuticals CorporationImprovement of fatigueExpansion cohortIntensive chemotherapyPrimary endpointDurable responsesIII trialsLong-term utilization and benefit of luspatercept in patients (pts) with lower-risk myelodysplastic syndromes (LR-MDS) from the MEDALIST trial.
Fenaux P, Santini V, Komrokji R, Zeidan A, Garcia-Manero G, Buckstein R, Miteva D, Keeperman K, Holot N, Zhang J, Hughes C, Rosettani B, Yucel A, Platzbecker U. Long-term utilization and benefit of luspatercept in patients (pts) with lower-risk myelodysplastic syndromes (LR-MDS) from the MEDALIST trial. Journal Of Clinical Oncology 2022, 40: 7056-7056. DOI: 10.1200/jco.2022.40.16_suppl.7056.Peer-Reviewed Original ResearchLower-risk myelodysplastic syndromesAcute myeloid leukemiaErythropoiesis-stimulating agentsMedian cumulative durationCumulative durationRBC-TIMedian durationPlacebo armAML progressionRegular red blood cell transfusionsRed blood cell transfusionRBC transfusion independenceBlood cell transfusionHigh-risk MDSKaplan-Meier analysisLong-term followRate of progressionLong-term clinical valueEligible ptsCell transfusionPrimary endpointDurable responsesTransfusion independenceAML diagnosisDose escalationA Phase 1/2 Study of the Oral Janus Kinase 1 Inhibitors INCB052793 and Itacitinib Alone or in Combination With Standard Therapies for Advanced Hematologic Malignancies
Zeidan AM, Cook RJ, Bordoni R, Berenson JR, Edenfield WJ, Mohan S, Zhou G, Asatiani E, Srinivas N, Savona MR. A Phase 1/2 Study of the Oral Janus Kinase 1 Inhibitors INCB052793 and Itacitinib Alone or in Combination With Standard Therapies for Advanced Hematologic Malignancies. Clinical Lymphoma Myeloma & Leukemia 2022, 22: 523-534. PMID: 35260349, DOI: 10.1016/j.clml.2022.01.012.Peer-Reviewed Original ResearchConceptsAcute myeloid leukemiaPhase 1/2 studyAdvanced hematologic malignanciesMyelodysplastic syndromeHematologic malignanciesObjective responseStandard therapyRefractory acute myeloid leukemiaPhase 2 doseObjective response rateRefractory multiple myelomaPhase 2Lack of efficacyInhibition of JAK1Janus kinasePhase 1Primary endpointTreatment discontinuationAdverse eventsProgressive diseaseDose escalationStudy treatmentMultiple myelomaMyeloid leukemiaDNA methyltransferase inhibitorPhase 1 study of anti-CD47 monoclonal antibody CC-90002 in patients with relapsed/refractory acute myeloid leukemia and high-risk myelodysplastic syndromes
Zeidan AM, DeAngelo DJ, Palmer J, Seet CS, Tallman MS, Wei X, Raymon H, Sriraman P, Kopytek S, Bewersdorf JP, Burgess MR, Hege K, Stock W. Phase 1 study of anti-CD47 monoclonal antibody CC-90002 in patients with relapsed/refractory acute myeloid leukemia and high-risk myelodysplastic syndromes. Annals Of Hematology 2022, 101: 557-569. PMID: 34981142, PMCID: PMC9414073, DOI: 10.1007/s00277-021-04734-2.Peer-Reviewed Original ResearchConceptsAnti-drug antibodiesAcute myeloid leukemiaDose-limiting toxicityRefractory acute myeloid leukemiaHigh-risk myelodysplastic syndromeMyelodysplastic syndromeMyeloid leukemiaCommon treatment-emergent adverse eventsTreatment-emergent adverse eventsADA-positive patientsPhase 2 dosePresence/frequencyUnexpected safety findingsPhase 1 studyAnti-CD47 antibodyCD47-SIRPα interactionMacrophage-mediated killingHematological cancer cell linesFebrile neutropeniaMonotherapy activityCancer cell linesPrimary endpointSecondary endpointsAdverse eventsObjective response
2021
Sabatolimab (MBG453) Combination Treatment Regimens for Patients (Pts) with Higher-Risk Myelodysplastic Syndromes (HR-MDS): The MDS Studies in the Stimulus Immuno-Myeloid Clinical Trial Program
Zeidan A, Al-Kali A, Borate U, Cluzeau T, DeZern A, Esteve J, Giagounidis A, Kobata K, Lyons R, Platzbecker U, Sallman D, Santini V, Sanz G, Sekeres M, Wei A, Xiao Z, Van Hoef M, Nourry-Boulot C, Sadek I, Bengoudifa B, Sachs C, Sabo J, Garcia-Manero G. Sabatolimab (MBG453) Combination Treatment Regimens for Patients (Pts) with Higher-Risk Myelodysplastic Syndromes (HR-MDS): The MDS Studies in the Stimulus Immuno-Myeloid Clinical Trial Program. Blood 2021, 138: 4669. DOI: 10.1182/blood-2021-145626.Peer-Reviewed Original ResearchHigh-risk myelodysplastic syndromeClinical Trials CommitteeProgression-free survivalHematopoietic stem cell transplantLeukemia-free survivalClinical trial programLeukemic stem cellsComplete responsePrimary endpointOverall survivalTim-3Trials CommitteeHMA therapySecondary endpointsII trialAdverse eventsNovartis Pharma AGCombination therapyMyeloid malignanciesTrial programSpeakers bureauBristol-Myers SquibbIntensive chemotherapyPartial remissionTarget enrollment
2020
A Phase Ib Study of Onvansertib, a Novel Oral PLK1 Inhibitor, in Combination Therapy for Patients with Relapsed or Refractory Acute Myeloid Leukemia
Zeidan AM, Ridinger M, Lin TL, Becker PS, Schiller GJ, Patel PA, Spira AI, Tsai ML, Samuëlsz E, Silberman SL, Erlander M, Wang ES. A Phase Ib Study of Onvansertib, a Novel Oral PLK1 Inhibitor, in Combination Therapy for Patients with Relapsed or Refractory Acute Myeloid Leukemia. Clinical Cancer Research 2020, 26: 6132-6140. PMID: 32998961, DOI: 10.1158/1078-0432.ccr-20-2586.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntineoplastic Combined Chemotherapy ProtocolsCytarabineDecitabineDrug Resistance, NeoplasmFemaleFollow-Up StudiesHumansLeukemia, Myeloid, AcuteMaleMaximum Tolerated DoseMiddle AgedNeoplasm Recurrence, LocalPiperazinesPrognosisPyrazolesQuinazolinesSalvage TherapyConceptsAcute myeloid leukemiaPhase Ib studyMyeloid leukemiaIb studyRefractory (R/R) AMLFirst-cycle dose-limiting toxicitiesRefractory acute myeloid leukemiaOngoing phase II trialAntileukemic activityMost grade 3Low-dose cytarabinePhase II trialBone marrow blastsDose-limiting toxicityPLK1 inhibitorsPolo-like kinase 1Evaluable patientsExploratory endpointsComplete remissionII trialPrimary endpointAdverse eventsClinical responseMarrow blastsCount recoveryThe STIMULUS Program: Clinical Trials Evaluating Sabatolimab (MBG453) Combination Therapy in Patients (Pts) with Higher-Risk Myelodysplastic Syndromes (HR-MDS) or Acute Myeloid Leukemia (AML)
Zeidan A, Esteve J, Giagounidis A, Kim H, Miyazaki Y, Platzbecker U, Schuh A, Sekeres M, Westermann J, Xiao Z, Malek K, Scott J, Niolat J, Peyrard S, Ma F, Kiertsman F, Stegert M, Hertle S, Fenaux P, Santini V. The STIMULUS Program: Clinical Trials Evaluating Sabatolimab (MBG453) Combination Therapy in Patients (Pts) with Higher-Risk Myelodysplastic Syndromes (HR-MDS) or Acute Myeloid Leukemia (AML). Blood 2020, 136: 45-46. DOI: 10.1182/blood-2020-134718.Peer-Reviewed Original ResearchHigh-risk myelodysplastic syndromeHematopoietic stem cell transplantationAcute myeloid leukemiaEvent-free survivalLeukemic stem cellsIntensive chemotherapyOverall survivalPrimary endpointSecondary endpointsCurrent equity holderEligible ptsTim-3Transfusion independenceCombination therapyEastern Cooperative Oncology Group performance statusCR/CRi rateEncouraging overall response rateAdvisory CommitteeDaiichi SankyoDuration of CRTransfusion-free intervalLeukemia-free survivalComplete remission rateHigh-risk MDSProgression-free survivalEfficacy and Safety of Luspatercept Treatment in Patients with Myelodysplastic Syndrome/Myeloproliferative Neoplasm with Ring Sideroblasts and Thrombocytosis (MDS/MPN-RS-T): A Retrospective Analysis from the Medalist Study
Komrokji R, Platzbecker U, Fenaux P, Garcia-Manero G, Mufti G, Santini V, Diez-Campelo M, Finelli C, Jurcic J, Greenberg P, Sekeres M, Zeidan A, DeZern A, Savona M, Shetty J, Ito R, Zhang G, Ha X, Sinsimer D, Backstrom J, Verma A. Efficacy and Safety of Luspatercept Treatment in Patients with Myelodysplastic Syndrome/Myeloproliferative Neoplasm with Ring Sideroblasts and Thrombocytosis (MDS/MPN-RS-T): A Retrospective Analysis from the Medalist Study. Blood 2020, 136: 13-15. DOI: 10.1182/blood-2020-137232.Peer-Reviewed Original ResearchMDS/MPN-RSCurrent equity holderMedian leukocyte countMedian platelet countPlacebo armRing sideroblastsSpeakers bureauRBC-TIPrimary endpointClinical benefitPlatelet countTreatment optionsLeukocyte countRetrospective analysisMyelodysplastic syndrome/myeloproliferative neoplasmClass erythroid maturation agentMean serum ferritin levelWk 1Boehringer IngelheimAdvisory CommitteeDaiichi SankyoClinical benefit responseMean Hb increaseRBC transfusion independenceRegular RBC transfusions
2018
The Medalist Trial: Results of a Phase 3, Randomized, Double-Blind, Placebo-Controlled Study of Luspatercept to Treat Anemia in Patients with Very Low-, Low-, or Intermediate-Risk Myelodysplastic Syndromes (MDS) with Ring Sideroblasts (RS) Who Require Red Blood Cell (RBC) Transfusions
Fenaux P, Platzbecker U, Mufti G, Garcia-Manero G, Buckstein R, Santini V, Díez-Campelo M, Finelli C, Cazzola M, Ilhan O, Sekeres M, Falantes J, Arrizabalaga B, Salvi F, Giai V, Vyas P, Bowen D, Selleslag D, DeZern A, Jurcic J, Germing U, Götze K, Quesnel B, Beyne-Rauzy O, Cluzeau T, Voso M, Mazure D, Vellenga E, Greenberg P, Hellström-Lindberg E, Zeidan A, Laadem A, Benzohra A, Zhang J, Rampersad A, Linde P, Sherman M, Komrokji R, List A. The Medalist Trial: Results of a Phase 3, Randomized, Double-Blind, Placebo-Controlled Study of Luspatercept to Treat Anemia in Patients with Very Low-, Low-, or Intermediate-Risk Myelodysplastic Syndromes (MDS) with Ring Sideroblasts (RS) Who Require Red Blood Cell (RBC) Transfusions. Blood 2018, 132: 1. DOI: 10.1182/blood-2018-99-110805.Peer-Reviewed Original ResearchIntermediate-risk myelodysplastic syndromesErythropoiesis-stimulating agentsIU/LKey secondary endpointMyelodysplastic syndromeRBC-TIRBC transfusionRing sideroblastsSpeakers bureauSecondary endpointsPrimary endpointWeek 1Class erythroid maturation agentRed blood cell transfusionInternational Prognostic Scoring SystemLower-risk myelodysplastic syndromesAdvisory CommitteeAbsence of transfusionIWG 2006 criteriaMean hemoglobin increaseRBC transfusion dependenceRBC transfusion independencePatient baseline characteristicsPlacebo-controlled studyBlood cell transfusion
2016
A phase 2 trial of high dose lenalidomide in patients with relapsed/refractory higher‐risk myelodysplastic syndromes and acute myeloid leukaemia with trilineage dysplasia
Zeidan AM, Smith BD, Carraway HE, Gojo I, DeZern A, Gore SD. A phase 2 trial of high dose lenalidomide in patients with relapsed/refractory higher‐risk myelodysplastic syndromes and acute myeloid leukaemia with trilineage dysplasia. British Journal Of Haematology 2016, 176: 241-247. PMID: 27790720, DOI: 10.1111/bjh.14407.Peer-Reviewed Original ResearchConceptsHigh-risk myelodysplastic syndromeHigh-dose lenalidomideAcute myeloid leukemiaOverall survivalTrilineage dysplasiaMyelodysplastic syndromeMyeloid leukemiaNeutropenic fever/infectionInternational Working Group criteriaChemotherapy-ineligible patientsDoses of lenalidomideFever/infectionPoor-risk karyotypeRobust clinical activityMedian overall survivalPhase 2 trialPhase II trialKaplan-Meier methodElderly AMLII trialPrimary endpointFrontline therapyDosing schedulesGroup criteriaLimited therapies