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
2023
Allotransplantation and Gene Therapy Equity for Children with Sickle Cell Disease: Distributional Cost-Effectiveness of Allotransplantation Vs Gene Therapy Vs Standard-of-Care in Pediatric Patients with Sickle Cell Disease in the United States
Goshua G, Ito S, Chetlapalli K, Potnis K, Calhoun C, Krishnamurti L, Krumholz H, Pandya A. Allotransplantation and Gene Therapy Equity for Children with Sickle Cell Disease: Distributional Cost-Effectiveness of Allotransplantation Vs Gene Therapy Vs Standard-of-Care in Pediatric Patients with Sickle Cell Disease in the United States. Blood 2023, 142: 490. DOI: 10.1182/blood-2023-191072.Peer-Reviewed Original ResearchSickle cell diseaseIncremental cost-effectiveness ratioDistributional cost-effectiveness analysisPediatric patientsCell diseaseCost-effectiveness analysisDisease severityHealth resource utilization dataPediatric Health Information SystemGene therapyJustifiable treatment optionTransplant-related mortalityVaso-occlusive crisisExpert clinical experienceMarrow Transplant ResearchSubstantial mortality riskVisual analog scaleQuality-adjusted life expectancyConcomitant riskCost-effectiveness ratioResource utilization dataCost-effectiveness frontierHost diseaseMaximum patientsOpioid therapyThrombo-Inflammation in COVID-19 and Sickle Cell Disease: Two Faces of the Same Coin
Chiang K, Gupta A, Sundd P, Krishnamurti L. Thrombo-Inflammation in COVID-19 and Sickle Cell Disease: Two Faces of the Same Coin. Biomedicines 2023, 11: 338. PMID: 36830874, PMCID: PMC9953430, DOI: 10.3390/biomedicines11020338.Peer-Reviewed Original ResearchSickle cell diseaseVaso-occlusive crisisCell diseaseLipid mediatorsCOVID-19Severe SARS-CoV-2 infectionSARS-CoV-2 infectionSevere COVID-19Platelet-leukocyte adhesionAnti-thrombotic agentsThrombo-InflammationEndothelial injuryRespiratory infectionsSevere illnessClinical trialsThromboxane ATherapeutic strategiesTherapeutic targetPotential treatmentPlatelet activationComplement activationGreater riskClinical researchDiseaseEndothelial cells
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 hemoglobin
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 benefit
2017
Acute Chest Syndrome in Children with Sickle Cell Disease
Jain S, Bakshi N, Krishnamurti L. Acute Chest Syndrome in Children with Sickle Cell Disease. Pediatric Allergy Immunology And Pulmonology 2017, 30: 191-201. PMID: 29279787, PMCID: PMC5733742, DOI: 10.1089/ped.2017.0814.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsAcute chest syndromeSickle cell diseaseHistory of asthmaVaso-occlusive crisisChest syndromeLung diseaseRisk factorsCell diseaseIncidence of ACSAcute vaso-occlusive crisisSteady-state hemoglobin levelsWhite blood cell countNew pulmonary infiltratesNew respiratory symptomsSevere SCD genotypesMild respiratory illnessPresence of feverChronic lung diseaseFetal hemoglobin concentrationPulmonary fat embolismRespiratory distress syndromeTobacco smoke exposureAcute lung diseaseBlood cell countChest X-ray
2015
Randomized phase 2 study of GMI-1070 in SCD: reduction in time to resolution of vaso-occlusive events and decreased opioid use
Telen M, Wun T, McCavit T, De Castro L, Krishnamurti L, Lanzkron S, Hsu L, Smith W, Rhee S, Magnani J, Thackray H. Randomized phase 2 study of GMI-1070 in SCD: reduction in time to resolution of vaso-occlusive events and decreased opioid use. Blood 2015, 125: 2656-2664. PMID: 25733584, PMCID: PMC4408290, DOI: 10.1182/blood-2014-06-583351.Peer-Reviewed Original ResearchConceptsVaso-occlusive crisisSickle cell diseaseComposite primary end pointPrimary end pointPhase 2 studyEnd pointRandomized phase 2 studySCD vaso-occlusive crisisOpioid analgesic useSecondary end pointsActive treatment groupPhase 3 studyVaso-occlusive eventsAnalgesic usePlacebo groupProspective multicenterStudy drugAdverse eventsOpioid useSymptom reliefMedian timeSCD patientsCell diseaseTreatment groupsAnimal models
2014
Pan-Selectin Antagonist Rivipansel (GMI-1070) Reduces Soluble E-Selectin Levels While Improving Clinical Outcomes in SCD Vaso-Occlusive Crisis
Wun T, Telen M, Krishnamurti L, McCavit T, DeCastro L, Flanner H, Kuypers F, Larkin S, Rhee S, Magnani J, Thackray H. Pan-Selectin Antagonist Rivipansel (GMI-1070) Reduces Soluble E-Selectin Levels While Improving Clinical Outcomes in SCD Vaso-Occlusive Crisis. Blood 2014, 124: 2704. DOI: 10.1182/blood.v124.21.2704.2704.Peer-Reviewed Original ResearchSoluble E-selectin levelsPhase 2 trialVaso-occlusive crisisSE-selE-selectin levelsClinical outcomesAdhesion molecule-1Placebo groupLast doseSubgroup analysisE-selectinMolecule-1Sickle cell disease vaso-occlusive crisisDouble-blind phase 2 trialSoluble adhesion molecules E-selectinBaseline white blood cell countRandomized phase 2 studySCD vaso-occlusive crisisSoluble adhesion molecule concentrationsAge groupsVascular cell adhesion molecule-1White blood cell countIntercellular adhesion molecule-1Adhesion molecules E-selectinCell adhesion molecule-1Prodromal Illness Before Acute Chest Syndrome in Pediatric Patients With Sickle Cell Disease
Creary S, Krishnamurti L. Prodromal Illness Before Acute Chest Syndrome in Pediatric Patients With Sickle Cell Disease. Journal Of Pediatric Hematology/Oncology 2014, 36: 480-483. PMID: 24633302, DOI: 10.1097/mph.0000000000000146.Peer-Reviewed Original ResearchConceptsAcute chest syndromeSickle cell diseaseProdromal illnessCell diseaseChest syndromePainful vaso-occlusive crisesHistory of asthmaThird of patientsVaso-occlusive crisisICD-9-CMAcute visitsACS episodeChart reviewPediatric patientsPediatric hospitalHigh riskCommon reasonPatientsIllnessCareDiseaseVisitsSyndromeChildrenFurther researchImpact of individualized pain plan on the emergency management of children with sickle cell disease
Krishnamurti L, Smith‐Packard B, Gupta A, Campbell M, Gunawardena S, Saladino R. Impact of individualized pain plan on the emergency management of children with sickle cell disease. Pediatric Blood & Cancer 2014, 61: 1747-1753. PMID: 24962217, DOI: 10.1002/pbc.25024.Peer-Reviewed Original ResearchConceptsVaso-occlusive crisisSickle cell diseaseIndividualized pain plansPain management planEmergency departmentPain managementPain planPatient satisfactionCell diseaseRate of hospitalizationWong-Baker scaleRate of admissionHealth Information DatabaseBaker scalePain scoresED visitsReadmission ratesChildren's HospitalED managementAvoidable hospitalizationsPatient responsePatientsComparable hospitalsHospitalHigh levels
2013
An Analysis Of The Pediatric Sub-Group From The Phase 2 Study Of GMI 1070 – A Novel Agent For The Vaso-Occlusive Crisis Of Sickle Cell Anemia
McCavit T, Krishnamurti L, Hsu L, Quinn C, Odame I, Alvarez O, Driscoll C, Smith-Whitley K, Rhee S, Wun T, Telen M, Thackray H. An Analysis Of The Pediatric Sub-Group From The Phase 2 Study Of GMI 1070 – A Novel Agent For The Vaso-Occlusive Crisis Of Sickle Cell Anemia. Blood 2013, 122: 2206. DOI: 10.1182/blood.v122.21.2206.2206.Peer-Reviewed Original ResearchVaso-occlusive crisisSerious adverse eventsSickle cell anemiaAcute chest syndromeStudy drugPediatric subjectsAdult subjectsMaintenance dosesOpioid useSecondary outcomesMedian timePlacebo-controlled phase 2 trialCell anemiaRed blood cell transfusionPhase 3 clinical trialsStrong efficacy signalBlood cell transfusionPhase 2 studyPhase 2 trialKaplan-Meier methodVisual analog scaleInitial medical evaluationPan-selectin inhibitorAdvisory CommitteeMinimal safety concernsGMI 1070: Reduction In Time To Resolution Of Vaso-Occlusive Crisis and Decreased Opioid Use In a Prospective, Randomized, Multi-Center Double Blind, Adaptive Phase 2 Study In Sickle Cell Disease
Telen M, Wun T, McCavit T, De Castro L, Krishnamurti L, Lanzkron S, Hsu L, Smith W, Rhee S, Magnani J, Thackray H. GMI 1070: Reduction In Time To Resolution Of Vaso-Occlusive Crisis and Decreased Opioid Use In a Prospective, Randomized, Multi-Center Double Blind, Adaptive Phase 2 Study In Sickle Cell Disease. Blood 2013, 122: 776. DOI: 10.1182/blood.v122.21.776.776.Peer-Reviewed Original ResearchVaso-occlusive crisisSickle cell diseaseOpioid useMedian timeTreatment groupsPlacebo groupCell diseaseSustained reductionVisual analog scale pain scoreTotal adverse event rateCumulative opioid useOral pain medicationPatients ages 12Opioid analgesic usePrimary efficacy endpointScale pain scoresPhase 2 studyPhase 3 studyPrimary efficacy analysisAdverse event ratesDaily opioid useStatistical significanceOral analgesiaSerious AEsVAS reduction