2021
Preliminary Safety and Efficacy Results from Precizn-1: An Ongoing Phase 1/2 Study on Zinc Finger Nuclease-Modified Autologous CD34+ HSPCs for Sickle Cell Disease (SCD)
Alavi A, Krishnamurti L, Abedi M, Galeon I, Reiner D, Smith S, Wang L, Ramezi A, Rendo P, Walters M. Preliminary Safety and Efficacy Results from Precizn-1: An Ongoing Phase 1/2 Study on Zinc Finger Nuclease-Modified Autologous CD34+ HSPCs for Sickle Cell Disease (SCD). Blood 2021, 138: 2930. DOI: 10.1182/blood-2021-151650.Peer-Reviewed Original ResearchSickle cell diseaseVaso-occlusive crisisAdverse eventsAutologous CD34Apheresis cyclesWeek 26Cell diseaseSpeakers bureauTotal HbOngoing phase 1/2 studySevere sickle cell diseaseF cellsPhase 1/2 studyBaseline patient characteristicsRelated adverse eventsHealth-related qualityPeripheral blood WBCCurrent unmet needPotential therapeutic valueEarly termination visitMinimum cell doseStem cell engraftmentTrend of improvementCurrent employmentElevated fetal hemoglobin
2020
Resolution of Serious Vaso-Occlusive Pain Crises and Reduction in Patient-Reported Pain Intensity: Results from the Ongoing Phase 1/2 HGB-206 Group C Study of LentiGlobin for Sickle Cell Disease (bb1111) Gene Therapy
Thompson A, Walters M, Mapara M, Kwiatkowski J, Krishnamurti L, Aygun B, Kasow K, Rifkin-Zenenberg S, Schmidt M, DelCarpini J, Pierciey F, Miller A, Gallagher M, Chen R, Goyal S, Kanter J, Tisdale J. Resolution of Serious Vaso-Occlusive Pain Crises and Reduction in Patient-Reported Pain Intensity: Results from the Ongoing Phase 1/2 HGB-206 Group C Study of LentiGlobin for Sickle Cell Disease (bb1111) Gene Therapy. Blood 2020, 136: 16-17. DOI: 10.1182/blood-2020-134940.Peer-Reviewed Original ResearchAcute chest syndromeVaso-occlusive crisisSickle cell diseaseVaso-occlusive eventsPain intensity scoresGroup C patientsAdverse eventsPain intensityBluebird BioC patientsLast visitBusulfan conditioningHemolysis markersTotal HbIntensity scoresAcute vaso-occlusive painBackground Sickle cell diseasePathophysiology of SCDVaso-occlusive pain crisesPopulation normsPatient-reported pain intensityAdvisory CommitteeGene therapy×109/LAbnormal sickle hemoglobinLentiglobin 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
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
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 levels
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 benefit