Characterization and Management of Cytopenias after Imetelstat Treatment in the IMerge Phase 3 Trial of Patients with Lower-Risk Myelodysplastic Syndromes (LR-MDS)
Zeidan A, Savona M, Madanat Y, Fenaux P, Komrokji R, Jonášová A, Illmer T, Sun L, Berry T, Feller F, Navada S, Santini V, Platzbecker U. Characterization and Management of Cytopenias after Imetelstat Treatment in the IMerge Phase 3 Trial of Patients with Lower-Risk Myelodysplastic Syndromes (LR-MDS). Blood 2023, 142: 6478. DOI: 10.1182/blood-2023-180962.Peer-Reviewed Original ResearchTreatment-emergent adverse eventsLower-risk myelodysplastic syndromesPhase 3 trialManagement of cytopeniasGrade 3Placebo groupDose adjustmentMedian timeTreatment delayDose reductionInternational Prognostic Scoring System risk groupsHematologic treatment-emergent adverse eventsRed blood cell transfusion dependencyImetelstat treatmentExperienced grade 3RBC transfusion burdenRBC transfusion independenceTreatment cycles 1Grade 4 neutropeniaGrade 4 thrombocytopeniaPrimary end pointGrowth factor supportErythropoiesis-stimulating agentsCycle 1High telomerase activityDurable Continuous Transfusion Independence (TI) with Imetelstat in IMerge Phase 3 for Patients with Heavily Transfused Non-Del(5q) Lower-Risk Myelodysplastic Syndromes (LR-MDS) Relapsed/Refractory (R/R) to or Ineligible for Erythropoiesis-Stimulating Agents (ESAs)
Platzbecker U, Komrokji R, Zeidan A, Fenaux P, Sekeres M, Savona M, Madanat Y, Jonášová A, Illmer T, Sherman L, Berry T, Riggs J, Xia Q, Navada S, Wan Y, Huang F, Feller F, Santini V. Durable Continuous Transfusion Independence (TI) with Imetelstat in IMerge Phase 3 for Patients with Heavily Transfused Non-Del(5q) Lower-Risk Myelodysplastic Syndromes (LR-MDS) Relapsed/Refractory (R/R) to or Ineligible for Erythropoiesis-Stimulating Agents (ESAs). Blood 2023, 142: 4605. DOI: 10.1182/blood-2023-181154.Peer-Reviewed Original ResearchLower-risk myelodysplastic syndromesErythropoiesis stimulating agentsPhase 3 trialTransfusion independenceVariant allele frequencyEnd pointTransfusion burdenAdverse eventsRed blood cell transfusionExploratory end pointsFrequent adverse eventsPrimary end pointRBC transfusion burdenReversible grade 3Secondary end pointsBlood cell transfusionDisease-modifying activityKaplan-Meier methodDuration of responseLoss of responseAdditional baseline characteristicsHigh telomerase activityCell transfusionBaseline characteristicsClinical response