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
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
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