2021
Polyclonality Strongly Correlates with Biological Outcomes and Is Significantly Increased Following Improvements to the Phase 1/2 HGB-206 Protocol and Manufacturing of LentiGlobin for Sickle Cell Disease (SCD; bb1111) Gene Therapy (GT)
Tisdale J, Thompson A, Mapara M, Kwiatkowski J, Krishnamurti L, Aygun B, Kasow K, Rifkin-Zenenberg S, Schmidt M, Pierciey F, Whitney D, Rogers C, Nnamani M, Foos M, Miller A, Zhang X, Lynch J, Walters M, Kanter J, Bonner M. Polyclonality Strongly Correlates with Biological Outcomes and Is Significantly Increased Following Improvements to the Phase 1/2 HGB-206 Protocol and Manufacturing of LentiGlobin for Sickle Cell Disease (SCD; bb1111) Gene Therapy (GT). Blood 2021, 138: 561. DOI: 10.1182/blood-2021-147760.Peer-Reviewed Original ResearchAcute myeloid leukemiaVaso-occlusive eventsCurrent equity holderSevere vaso-occlusive eventsGroup AGroup CMonth 6Clinical outcomesBluebird BioClinical benefitBusulfan conditioningCell doseRisk of AMLAutologous stem cell transplantTricuspid regurgitant jet velocityAdvisory CommitteeDriver mutationsLentiviral vectorsAML driver mutationsOpioid withdrawal syndromeSerious adverse eventsRegurgitant jet velocityFavorable clinical outcomeConsultancy feesStem cell transplant
2020
Safety of Autologous Hematopoietic Stem Cell Transplantation with Gene Addition Therapy for Transfusion-Dependent β-Thalassemia, Sickle Cell Disease, and Cerebral Adrenoleukodystrophy
Walters M, Locatelli F, Thrasher A, Tisdale J, Orchard P, Duncan C, Kühl J, De Oliveira S, Sauer M, Kulozik A, Yannaki E, Hongeng S, Mapara M, Krishnamurti L, Hermine O, Blanche S, Aubourg P, Smith N, Shi W, Colvin R, McNeil E, Ribeil J, Cavazzana M, Williams D. Safety of Autologous Hematopoietic Stem Cell Transplantation with Gene Addition Therapy for Transfusion-Dependent β-Thalassemia, Sickle Cell Disease, and Cerebral Adrenoleukodystrophy. Transplantation And Cellular Therapy 2020, 26: s38-s39. DOI: 10.1016/j.bbmt.2019.12.104.Peer-Reviewed Original ResearchTransfusion-dependent β-thalassemiaSickle cell diseaseHematopoietic stem cell transplantationCerebral adrenoleukodystrophyStem cell transplantationAdverse eventsAllo-HSCTSafety profileCell transplantationCell diseaseAllogeneic hematopoietic stem cell transplantationAutologous hematopoietic stem cell transplantationGene addition therapyLentiviral vectorsBusulfan/cyclophosphamideCommon adverse eventsSecondary graft failureRisk of GVHDLong-term followRisk of complicationsΒ-thalassemiaImproved safety profileDP infusionFebrile neutropeniaAutologous HSCTLentiglobin for Sickle Cell Disease (SCD) Gene Therapy (GT): Updated Results in Group C Patients from the Phase 1/2 Hgb-206 Study
Walters M, Kanter J, Kwiatkowski J, Krishnamurti L, Mapara M, Schmidt M, Miller A, Pierciey F, Bonner M, Huang W, Ribeil J, Thompson A, Tisdale J. Lentiglobin for Sickle Cell Disease (SCD) Gene Therapy (GT): Updated Results in Group C Patients from the Phase 1/2 Hgb-206 Study. Transplantation And Cellular Therapy 2020, 26: s1-s2. DOI: 10.1016/j.bbmt.2019.12.136.Peer-Reviewed Original ResearchPeripheral blood mononuclear cellsGroup C patientsAdverse eventsC patientsMedian HbTotal HbPlerixafor mobilizationNon-hematologic gradeGene therapySerious adverse eventsBlood mononuclear cellsLentiviral vectorsStrong therapeutic benefitFebrile neutropeniaSevere SCDConclusions PatientsGraft failureInitial patientsLast visitMononuclear cellsBusulfan conditioningHemolysis markersAutologous CD34Colony-forming unit assaysTherapeutic benefit
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 benefitResolution 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 SCDS1633 UPDATED RESULTS FROM THE HGB‐206 STUDY IN PATIENTS WITH SEVERE SICKLE CELL DISEASE TREATED UNDER A REVISED PROTOCOL WITH LENTIGLOBIN GENE THERAPY USING PLERIXAFOR‐MOBILISED HAEMATOPOIETIC STEM CELLS
Kanter J, Thompson A, Mapara M, Kwiatkowski J, Krishnamurti L, Schmidt M, Miller A, Pierciey F, Huang W, Ribeil J, Walters M, Tisdale J. S1633 UPDATED RESULTS FROM THE HGB‐206 STUDY IN PATIENTS WITH SEVERE SICKLE CELL DISEASE TREATED UNDER A REVISED PROTOCOL WITH LENTIGLOBIN GENE THERAPY USING PLERIXAFOR‐MOBILISED HAEMATOPOIETIC STEM CELLS. HemaSphere 2019, 3: 754-755. DOI: 10.1097/01.hs9.0000564780.30358.eb.Peer-Reviewed Original ResearchSickle cell diseaseSevere sickle cell diseaseGroup C patientsAdverse eventsHaematopoietic stem cellsLast visitGroup CDP infusionC patientsRBC transfusionMonth followHb levelsCell diseaseVeno-occlusive liver diseaseHSC collectionRed blood cell transfusionGene therapyX109/LBlood cell transfusionTotal HbVaso-occlusive eventsLentiviral vectorsInclusion of adolescentsStem cellsBusulfan levelsLentiglobin 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
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
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
2015
Initial Results from Study Hgb-206: A Phase 1 Study Evaluating Gene Therapy By Transplantation of Autologous CD34+ Stem Cells Transduced Ex Vivo with the Lentiglobin BB305 Lentiviral Vector in Subjects with Severe Sickle Cell Disease
Kanter J, Walters M, Hsieh M, Thompson A, Krishnamurti L, Kwiatkowski J, Kamble R, von Kalle C, Kuypers F, Cavazzana M, Leboulch P, Sandler L, Soni S, Tisdale J. Initial Results from Study Hgb-206: A Phase 1 Study Evaluating Gene Therapy By Transplantation of Autologous CD34+ Stem Cells Transduced Ex Vivo with the Lentiglobin BB305 Lentiviral Vector in Subjects with Severe Sickle Cell Disease. Blood 2015, 126: 3233. DOI: 10.1182/blood.v126.23.3233.3233.Peer-Reviewed Original ResearchSevere SCDSevere sickle cell diseaseSickle cell diseaseCell diseaseBluebird BioAdverse eventsAutologous CD34Additional subjectsLentiviral vectorsBone marrow harvestVector copy numberIntegration site analysisAdvisory CommitteeGene therapyHematologic engraftmentPRBC transfusionIntravenous busulfanChronic transfusionHb levelsSafety profileAutologous transplantationCell doseStudy visitMonth postProduct infusion