2024
Zinc finger nuclease-mediated gene editing in hematopoietic stem cells results in reactivation of fetal hemoglobin in sickle cell disease
Lessard S, Rimmelé P, Ling H, Moran K, Vieira B, Lin Y, Rajani G, Hong V, Reik A, Boismenu R, Hsu B, Chen M, Cockroft B, Uchida N, Tisdale J, Alavi A, Krishnamurti L, Abedi M, Galeon I, Reiner D, Wang L, Ramezi A, Rendo P, Walters M, Levasseur D, Peters R, Harris T, Hicks A. Zinc finger nuclease-mediated gene editing in hematopoietic stem cells results in reactivation of fetal hemoglobin in sickle cell disease. Scientific Reports 2024, 14: 24298. PMID: 39414860, PMCID: PMC11484757, DOI: 10.1038/s41598-024-74716-7.Peer-Reviewed Original ResearchConceptsHematopoietic stem cellsSickle cell diseaseTreatment of sickle cell diseaseFetal hemoglobinCell therapyReactivation of fetal hemoglobinCell diseaseMonths of follow-upStem cellsReactivate fetal hemoglobinResults of preclinical studiesPotential treatmentEngraftment in vivoAutologous cell therapyNovel cell therapiesVaso-occlusive crisisIncreased total hemoglobinErythroid progenyHealthy donorsPreclinical studiesClinical developmentFollow-upErythroid enhancerBCL11A erythroid enhancerGATAA motifs
2019
Exploring the Drivers of Potential Clinical Benefit in Initial Patients Treated in the Hgb-206 Study of Lentiglobin for Sickle Cell Disease (SCD) Gene Therapy
Walters M, Tisdale J, Kwiatkowski J, Krishnamurti L, Mapara M, Schmidt M, Miller A, Pierciey F, Huang W, Ribeil J, Kanter J, Thompson A. Exploring the Drivers of Potential Clinical Benefit in Initial Patients Treated in the Hgb-206 Study of Lentiglobin for Sickle Cell Disease (SCD) Gene Therapy. Blood 2019, 134: 2061. DOI: 10.1182/blood-2019-128814.Peer-Reviewed Original ResearchAcute chest syndromeVaso-occlusive crisisGroup A patientsRate of VOCAdverse eventsA patientsPatient 1Group AClinical benefitLast visitBluebird BioHematopoietic stem cellsInitial patientsPatient 2Busulfan conditioningGroup BHbF levelsVeno-occlusive liver diseaseRed blood cell transfusionFull hematological recoveryBlood cell transfusionCases of gradeLentiviral vectorsGene therapyPotential clinical benefitPreliminary Results of a Phase 1/2 Clinical Study of Zinc Finger Nuclease-Mediated Editing of BCL11A in Autologous Hematopoietic Stem Cells for Transfusion-Dependent Beta Thalassemia
Smith A, Schiller G, Vercellotti G, Kwiatkowski J, Krishnamurti L, Esrick E, Williams D, Miller W, Woolfson A, Walters M. Preliminary Results of a Phase 1/2 Clinical Study of Zinc Finger Nuclease-Mediated Editing of BCL11A in Autologous Hematopoietic Stem Cells for Transfusion-Dependent Beta Thalassemia. Blood 2019, 134: 3544. DOI: 10.1182/blood-2019-125743.Peer-Reviewed Original ResearchTransfusion-dependent beta thalassemiaPeripheral blood mononuclear cellsSerious adverse eventsHematopoietic stem cell transplantationHuman hematopoietic stem cellsHematopoietic reconstitutionBluebird BioPRBC transfusionPatient 1HbF levelsG-CSFJazz PharmaceuticalsPacked red blood cell transfusionPhase I/II studyAllogeneic hematopoietic stem cell transplantationRed blood cell transfusionHematopoietic stem cellsPhase 1/2 clinical studyBeta thalassemiaInvestigational cell therapySpeakers bureauBlood cell transfusionStem cell transplantationBlood mononuclear cellsCells/Resolution of Sickle Cell Disease Manifestations in Patients Treated with Lentiglobin Gene Therapy: Updated Results from the Phase 1/2 Hgb-206 Group C Study
Kanter J, Tisdale J, Mapara M, Kwiatkowski J, Krishnamurti L, Schmidt M, Miller A, Pierciey F, Huang W, Ribeil J, Thompson A, Walters M. Resolution of Sickle Cell Disease Manifestations in Patients Treated with Lentiglobin Gene Therapy: Updated Results from the Phase 1/2 Hgb-206 Group C Study. Blood 2019, 134: 990. DOI: 10.1182/blood-2019-128894.Peer-Reviewed Original ResearchGroup C patientsRed blood cell transfusionBlood cell transfusionAdverse eventsC patientsMedian Hb levelHb levelsBluebird BioHematopoietic stem cellsCell transfusionLast visitBusulfan conditioningTotal hemoglobinHSC collectionGene therapyNon-hematologic gradeSerious adverse eventsLentiviral vectorsSickle cell diseaseStrong therapeutic effectVector copy numberCancer Research CenterAdditional patient dataAdvisory CommitteeSevere SCDLentiglobin Gene Therapy in Patients with Sickle Cell Disease: Updated Interim Results from Hgb-206
Mapara M, Tisdale J, Kanter J, Kwiatkowski J, Krishnamurti L, Schmidt M, Miller A, Pierciey F, Shi W, Ribeil J, Asmal M, Thompson A, Walters M. Lentiglobin Gene Therapy in Patients with Sickle Cell Disease: Updated Interim Results from Hgb-206. Transplantation And Cellular Therapy 2019, 25: s64-s65. DOI: 10.1016/j.bbmt.2018.12.147.Peer-Reviewed Original ResearchSickle cell diseaseGrade 3 adverse eventsAdverse eventsHematopoietic stem cellsGrp BC patientsCell diseaseSevere sickle cell diseaseGene therapyNon-hematologic gradeVaso-occlusive painPhase 1 studyLentiviral vectorsAutologous hematopoietic stem cellsGrp CFebrile neutropeniaMyeloablative conditioningClinical effectsHb levelsLast visitBusulfan conditioningAutologous CD34Treatment characteristicsMethods AdultsPatients
2018
Outcomes for Initial Patient Cohorts with up to 33 Months of Follow-up in the Hgb-206 Phase 1 Trial
Kanter J, Tisdale J, Kwiatkowski J, Krishnamurti L, Mapara M, Schmidt M, Miller A, Pierciey F, Shi W, Ribeil J, Walters M, Thompson A. Outcomes for Initial Patient Cohorts with up to 33 Months of Follow-up in the Hgb-206 Phase 1 Trial. Blood 2018, 132: 1080. DOI: 10.1182/blood-2018-99-113477.Peer-Reviewed Original ResearchSevere sickle cell diseaseGroup B patientsSickle cell diseaseGroup A patientsB patientsAdverse eventsGroup ALast visitTotal bilirubinBluebird BioHematopoietic stem cellsA patientsPeripheral bloodBusulfan conditioningReticulocyte countTotal HbVeno-occlusive liver diseaseAdvisory CommitteeMedical directorsNormalization of HbVaso-occlusive painSerious adverse eventsLong-term followPhase 1 trialSignificant clinical benefitCurrent Results of Lentiglobin Gene Therapy in Patients with Severe Sickle Cell Disease Treated Under a Refined Protocol in the Phase 1 Hgb-206 Study
Tisdale J, Kanter J, Mapara M, Kwiatkowski J, Krishnamurti L, Schmidt M, Miller A, Pierciey F, Shi W, Ribeil J, Asmal M, Thompson A, Walters M. Current Results of Lentiglobin Gene Therapy in Patients with Severe Sickle Cell Disease Treated Under a Refined Protocol in the Phase 1 Hgb-206 Study. Blood 2018, 132: 1026. DOI: 10.1182/blood-2018-99-113480.Peer-Reviewed Original ResearchSevere sickle cell diseaseSickle cell diseaseNon-cardiac chest painVaso-occlusive painAdverse eventsHb levelsBluebird BioHematopoietic stem cellsHSC collectionDP infusionChest painMyeloablative conditioningPlatelet engraftmentCell diseaseGroup CAdvisory CommitteeMedical directorsGene therapyMonths of transfusionNon-hematologic gradeGroup C patientsSerious adverse eventsSubstantial clinical benefitLentiviral vectors
2017
Successful Plerixafor-Mediated Mobilization, Apheresis, and Lentiviral Vector Transduction of Hematopoietic Stem Cells in Patients with Severe Sickle Cell Disease
Tisdale J, Pierciey F, Kamble R, Kanter J, Krishnamurti L, Kwiatkowski J, Thompson A, Shestopalov I, Bonner M, Joseney-Antoine M, Asmal M, Walters M. Successful Plerixafor-Mediated Mobilization, Apheresis, and Lentiviral Vector Transduction of Hematopoietic Stem Cells in Patients with Severe Sickle Cell Disease. Blood 2017, 130: 990. DOI: 10.1182/blood.v130.suppl_1.990.990.Peer-Reviewed Original ResearchSevere sickle cell diseaseSevere SCDPhase 1 studyBM harvestAutologous hematopoietic stem cellsSickle cell diseaseBone marrowBluebird BioHematopoietic stem cellsCell diseaseCultured CD34Cells/G-CSFPeak white blood cellAdvisory CommitteeMedical directorsHSC mobilizationGene therapyGrade 3 AEsPeripheral blood apheresisGroup B patientsAcceptable toxicity profileLife-threatening complicationsTotal blood volumeSteady-state bone marrow
2016
Interim Results from a Phase 1/2 Clinical Study of Lentiglobin Gene Therapy for Severe Sickle Cell Disease
Kanter J, Walters M, Hsieh M, Krishnamurti L, Kwiatkowski J, Kamble R, von Kalle C, Kuypers F, Cavazzana M, Leboulch P, Joseney-Antoine M, Asmal M, Thompson A, Tisdale J. Interim Results from a Phase 1/2 Clinical Study of Lentiglobin Gene Therapy for Severe Sickle Cell Disease. Blood 2016, 128: 1176. DOI: 10.1182/blood.v128.22.1176.1176.Peer-Reviewed Original ResearchSevere sickle cell diseaseSevere SCDBone marrow harvestAdverse eventsSickle cell diseaseCell doseBluebird BioReplication-competent lentivirusHematopoietic stem cellsMyeloablative conditioningPeripheral bloodCell diseaseGrade 3 adverse eventsAdvisory CommitteeMedical directorsPhase 1/2 clinical studyTransfusion-dependent β-thalassemiaSerious adverse eventsLong-term complicationsVector copy numberStart of conditioningSymptoms 1 yearIntegration site analysisGene therapyDP infusion