2024
Comparison of Outcomes of Hematopoietic Cell Transplantation (HCT) for Asymptomatic Patients with Sickle Cell Disease (SCD) and That of Propensity Matched Symptomatic Patients Undergoing HCT
Katoch D, Nallagatla V, Liang J, Deng Y, Krishnamurti L. Comparison of Outcomes of Hematopoietic Cell Transplantation (HCT) for Asymptomatic Patients with Sickle Cell Disease (SCD) and That of Propensity Matched Symptomatic Patients Undergoing HCT. Transplantation And Cellular Therapy 2024, 30: s65. DOI: 10.1016/j.jtct.2023.12.103.Peer-Reviewed Original ResearchHematopoietic cell transplantationOutcomes of hematopoietic cell transplantationSickle cell diseaseSymptomatic SCD patientsAsymptomatic patientsDonor typeSymptomatic patientsPost-HCTSCD patientsHematopoietic cell transplantation comorbidity indexPost-transplant lymphoproliferative disorderMedian follow-up periodComplication of sickle cell diseaseIncidence of aGVHDReduced intensity conditioningSickle cell disease patientsFollow-up periodPropensity-matched modelStandardized mean differenceSecondary malignanciesLymphoproliferative disordersCell transplantationGraft survivalPatient ageAssociated with group classification
2023
Comparison of Outcomes of Hematopoietic Cell Transplantation (HCT) for Asymptomatic Patients with Sickle Cell Disease (SCD) and That of Propensity Matched Symptomatic Patients Undergoing HCT
Katoch D, Nallagatla V, Krishnamurti L. Comparison of Outcomes of Hematopoietic Cell Transplantation (HCT) for Asymptomatic Patients with Sickle Cell Disease (SCD) and That of Propensity Matched Symptomatic Patients Undergoing HCT. Blood 2023, 142: 3873. DOI: 10.1182/blood-2023-190977.Peer-Reviewed Original ResearchHematopoietic cell transplantationSickle cell diseaseComplications of SCDGraft failureOverall survivalAsymptomatic patientsAvascular necrosisSCD patientsDonor typeChronic GVHDCell transplantationCell diseaseOutcomes of HCTPost-transplant lymphoproliferative disorderSubstantial short-term morbidityCommon graft sourceExperienced graft failureHCT comorbidity indexAcute chest syndromeHLA-identical donorShort-term morbidityLong-term sequelaePotential curative optionSubset of patientsOrgan-specific complications
2021
Hematopoietic Cell Transplantation for Sickle Cell Disease
Krishnamurti L. Hematopoietic Cell Transplantation for Sickle Cell Disease. Frontiers In Pediatrics 2021, 8: 551170. PMID: 33469520, PMCID: PMC7813811, DOI: 10.3389/fped.2020.551170.Peer-Reviewed Original ResearchHematopoietic cell transplantationSickle cell diseaseAutologous hematopoietic progenitor cellsCell transplantationHematopoietic progenitor cellsDisease manifestationsCell diseaseRelated donor hematopoietic cell transplantationDonor hematopoietic cell transplantationEarly phase clinical trialsHaploidentical related donorsIntent of cureProgenitor cellsIschemic tissue damageLong-term ameliorationHaploidentical donorsEndothelial dysfunctionHLA-identicalLate complicationsRed blood cellsUnrelated HLAOrgan dysfunctionRelated donorsUnrelated donorsSCD patients
2020
Mortality in sickle cell disease: A population‐based study in an aboriginal community in the Gudalur Valley, Nilgiris, Tamil Nadu, India
Sheshadri V, Shabeer P, Santhirapala V, Jayaram A, Krishnamurti L, Menon N. Mortality in sickle cell disease: A population‐based study in an aboriginal community in the Gudalur Valley, Nilgiris, Tamil Nadu, India. Pediatric Blood & Cancer 2020, 68: e28875. PMID: 33381914, DOI: 10.1002/pbc.28875.Peer-Reviewed Original ResearchConceptsSickle cell diseaseCause of deathCell diseaseMortality rateSeverity of SCDAge groupsAboriginal populationAcute chest syndromePopulation-based studyPercent of deathsCrude mortality rateCommunity-based comprehensive careCause of mortalityCases of deathPaucity of dataCommon monogenic disorderChest syndromeMedian ageHospital recordsSCD patientsAutopsy questionnaireAboriginal communitiesComprehensive careLongitudinal cohortRemote Aboriginal communities
2019
How I treat sickle cell disease with hematopoietic cell transplantation
Stenger E, Shenoy S, Krishnamurti L. How I treat sickle cell disease with hematopoietic cell transplantation. Blood 2019, 134: 2249-2260. PMID: 31697818, PMCID: PMC6923666, DOI: 10.1182/blood.2019000821.Peer-Reviewed Original ResearchConceptsHematopoietic cell transplantationSickle cell diseaseCell transplantationCell diseaseOrgan dysfunctionSCD patientsSignificant morbidityEarly mortalityClinical trialsAvailable cureSCD recipientsAlternative donorsIndividual patientsClinical practicePatientsTransplantationClinical vignettesDiseaseOutcomesMorbidityDysfunctionMortalityTrialsRecipients
2018
From trust to skepticism: An in-depth analysis across age groups of adults with sickle cell disease on their perspectives regarding hydroxyurea
Sinha C, Bakshi N, Ross D, Krishnamurti L. From trust to skepticism: An in-depth analysis across age groups of adults with sickle cell disease on their perspectives regarding hydroxyurea. PLOS ONE 2018, 13: e0199375. PMID: 29949647, PMCID: PMC6021071, DOI: 10.1371/journal.pone.0199375.Peer-Reviewed Original ResearchConceptsSickle cell diseaseGroup 1 participantsGroup 2 participantsCell diseaseSide effectsAdult SCD patientsPatient-related factorsPotential side effectsAdult patientsSCD patientsHU usePatients' attitudesAge 31Age groupsAge 18PatientsYoung adultsEfficacySignificant differencesAdultsEffective alternativeDiseaseRiskParticipantsQualitative interviewsAssociation of genetic variation in COMT gene with pain related to sickle cell disease in patients from the walk-PHaSST study
Zhang Y, Belfer I, Nouraie M, Zeng Q, Goel R, Chu Y, Krasiy I, Krishnamurti L. Association of genetic variation in COMT gene with pain related to sickle cell disease in patients from the walk-PHaSST study. Journal Of Pain Research 2018, 11: 537-543. PMID: 29559808, PMCID: PMC5856032, DOI: 10.2147/jpr.s149958.Peer-Reviewed Original ResearchVaso-occlusive pain episodesSickle cell diseasePain perceptionSCD patientsCell diseaseAfrican American SCD patientsVariability of painEmergency room visitsHealth care utilizationSelf-reported painPain episodesAcute painCare utilizationRoom visitsSS patientsFunctional variantsPainPatientsPsychological covariatesDisease biologyCOMT geneDiseaseRisk SNPsWomenCorresponding haplotypes
2017
Novel Metrics in the Longitudinal Evaluation of Pain Data in Sickle Cell Disease
Bakshi N, Smith M, Ross D, Krishnamurti L. Novel Metrics in the Longitudinal Evaluation of Pain Data in Sickle Cell Disease. The Clinical Journal Of Pain 2017, 33: 517-527. PMID: 27584817, DOI: 10.1097/ajp.0000000000000431.Peer-Reviewed Original ResearchConceptsMaximum daily painSickle cell diseasePain intensity dataChronic painCell diseasePain dataInterindividual variationMaximum daily pain scoresPatient-reported end pointsDaily pain scoresPain-free daysInterventional clinical trialsBurden of painPeriod of hospitalizationElectronic pain diaryDiary daysHealth care providersPain burdenPain scoresPain diaryPain intensityDaily painSCD patientsPain trendsClinical trialsBone Marrow–Derived Mesenchymal Stromal Cells from Patients with Sickle Cell Disease Display Intact Functionality
Stenger E, Chinnadurai R, Yuan S, Garcia M, Arafat D, Gibson G, Krishnamurti L, Galipeau J. Bone Marrow–Derived Mesenchymal Stromal Cells from Patients with Sickle Cell Disease Display Intact Functionality. Transplantation And Cellular Therapy 2017, 23: 736-745. PMID: 28132869, PMCID: PMC5390328, DOI: 10.1016/j.bbmt.2017.01.081.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAnemia, Sickle CellCell CommunicationCell Culture TechniquesCell ProliferationChildChild, PreschoolFemaleHealthy VolunteersHematopoietic Stem Cell TransplantationHumansImmunophenotypingIndoleamine-Pyrrole 2,3,-DioxygenaseMaleMesenchymal Stem Cell TransplantationMesenchymal Stem CellsTransplantation, AutologousYoung AdultConceptsSickle cell diseaseHematopoietic cell transplantationMesenchymal stromal cellsAutologous mesenchymal stromal cellsBone marrowTime of HCTAutologous T cell proliferationStromal cellsThird-party mesenchymal stromal cellsBM-derived mesenchymal stromal cellsMajor histocompatibility complex compatibilityExperimental murine modelT cell proliferationSurface marker phenotypeDose-dependent mannerIFN-γ stimulationAmeliorate graftHost diseaseSCD patientsCell transplantationImmunomodulatory pathwaysSCD subjectsCell diseaseHealthy volunteersMurine model
2016
Clinical events in a large prospective cohort of children with sickle cell disease in Nagpur, India: evidence against a milder clinical phenotype in India
Jain D, Arjunan A, Sarathi V, Jain H, Bhandarwar A, Vuga M, Krishnamurti L. Clinical events in a large prospective cohort of children with sickle cell disease in Nagpur, India: evidence against a milder clinical phenotype in India. Pediatric Blood & Cancer 2016, 63: 1814-1821. PMID: 27279568, DOI: 10.1002/pbc.26085.Peer-Reviewed Original ResearchConceptsSickle cell diseaseRate of painAcute chest syndromeRate of complicationsNewborn screenCell diseaseChest syndromeFrequent complicationSevere anemiaSplenic sequestrationClinical phenotypeLarge single-center studyMore frequent complicationsSingle-center studyLarge prospective cohortPediatric SCD patientsPhenotypes of SCDMilder clinical phenotypeProspective cohortSCD patientsClinical eventsComplicationsSCD phenotypeCooperative StudyEvent rates
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
2013
A double-blind, randomized, multicenter phase 2 study of prasugrel versus placebo in adult patients with sickle cell disease
Wun T, Soulieres D, Frelinger A, Krishnamurti L, Novelli E, Kutlar A, Ataga K, Knupp C, McMahon L, Strouse J, Zhou C, Heath L, Nwachuku C, Jakubowski J, Riesmeyer J, Winters K. A double-blind, randomized, multicenter phase 2 study of prasugrel versus placebo in adult patients with sickle cell disease. Journal Of Hematology & Oncology 2013, 6: 17. PMID: 23414938, PMCID: PMC3585853, DOI: 10.1186/1756-8722-6-17.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAnemia, Sickle CellBiomarkers, TumorCell Adhesion MoleculesDouble-Blind MethodFemaleFollow-Up StudiesHumansMaleMicrofilament ProteinsMiddle AgedPainPhosphoproteinsPiperazinesPlatelet ActivationPlatelet Aggregation InhibitorsPrasugrel HydrochloridePrognosisPurinergic P2Y Receptor AntagonistsThiophenesYoung AdultConceptsSickle cell diseaseHemorrhagic eventsAdult patientsAntiplatelet agentsSCD patientsCell diseaseP-selectinMedical interventionsMulticenter phase 2 studyPlatelet surface P-selectinMethodsThe primary endpointPlatelet activation biomarkersSafety of prasugrelSerious hemorrhagic eventsPlacebo-controlled studyPhase 2 studyVivo platelet activationSoluble P-selectinSurface P-selectinThienopyridine antiplatelet agentPain ratePrasugrel armPrimary endpointActivation biomarkersStudy arms
2011
Clinical Predictors of All-Cause In-Hospital Mortality In Patients with Sickle Cell Disease in the United States- First Reported Results From A Nationally Representative Sample
Goel R, Gupta A, Krishnamurti L. Clinical Predictors of All-Cause In-Hospital Mortality In Patients with Sickle Cell Disease in the United States- First Reported Results From A Nationally Representative Sample. Blood 2011, 118: 339. DOI: 10.1182/blood.v118.21.339.339.Peer-Reviewed Original ResearchSickle cell diseaseHospital mortality rateIn-Hospital MortalityClinical predictorsCell diseaseHospital mortalityHospital dischargeClinical factorsIndependent predictorsNationally Representative SampleRelated hospitalizationsSCD patientsExchange transfusionMortality rateICD-9-CM diagnosis codesNationwide Inpatient Sample databaseMultivariable logistic regression modelDiagnosis of SCDAcute chest syndromePredictors of mortalityRed cell transfusionDevelopment of sepsisPatients' socioeconomic statusMultivariable logistic regressionSignificant independent predictorsNon-Cardiopulmonary Factors Affecting the Six-Minute Walk Distance in Patients with Sickle Cell Disease: Results From the Walk-PHaSST Study
Goel R, Hassell K, Machado R, Barst R, Yovetich N, Kato G, Gordeuk V, Little J, Gibbs J, Schraufnagel D, Girgis R, Rosenzweig E, Morris C, Badesch D, Lanzkron S, Onyekwere O, Nouraie M, Castro O, Sachdev V, Waclawiw M, Woolson R, Goldsmith J, Gladwin M, Krishnamurti L. Non-Cardiopulmonary Factors Affecting the Six-Minute Walk Distance in Patients with Sickle Cell Disease: Results From the Walk-PHaSST Study. Blood 2011, 118: 1074. DOI: 10.1182/blood.v118.21.1074.1074.Peer-Reviewed Original ResearchTR jet velocitySickle cell diseaseSix-minute walk distanceAvascular necrosisMultivariable linear regressionPulmonary hypertensionCell diseasePrimary endpointWalk distanceChronic painSCD patientsSevere genotypeAmerican Thoracic Society guidelinesSix-minute walk testSelf-reported medical historyThoracic Society guidelinesMulti-center studySided p valueGreater predictive valueCardiopulmonary factorsOral sildenafilPain 2NT-proBNPExercise capacityWalk testHospitalization for pain in patients with sickle cell disease treated with sildenafil for elevated TRV and low exercise capacity
Machado R, Barst R, Yovetich N, Hassell K, Kato G, Gordeuk V, Gibbs J, Little J, Schraufnagel D, Krishnamurti L, Girgis R, Morris C, Rosenzweig E, Badesch D, Lanzkron S, Onyekwere O, Castro O, Sachdev V, Waclawiw M, Woolson R, Goldsmith J, Gladwin M. Hospitalization for pain in patients with sickle cell disease treated with sildenafil for elevated TRV and low exercise capacity. Blood 2011, 118: 855-864. PMID: 21527519, PMCID: PMC3148167, DOI: 10.1182/blood-2010-09-306167.Peer-Reviewed Original ResearchConceptsTricuspid regurgitation velocitySickle cell diseaseLower exercise capacityExercise capacityCell diseaseN-terminal pro-brain natriuretic peptideElevated tricuspid regurgitation velocityPro-brain natriuretic peptideSerious adverse eventsPulmonary arterial hypertensionSildenafil trialArterial hypertensionAdverse eventsWalk distanceDoppler echocardiographySCD patientsHospitalization ratesNatriuretic peptidePatientsSildenafilPredominant causePainHospitalizationTreatment effectsDisease
2010
Prolonged QTc Interval Is Common In Patients with Sickle Cell Disease and Has An Inverse Relationship to Hemoglobin and Hematocrit: Results From CSSCD
Goel R, Rajderkar S, Padman R, Krishnamurti L. Prolonged QTc Interval Is Common In Patients with Sickle Cell Disease and Has An Inverse Relationship to Hemoglobin and Hematocrit: Results From CSSCD. Blood 2010, 116: 2675. DOI: 10.1182/blood.v116.21.2675.2675.Peer-Reviewed Original ResearchSickle cell diseaseProlonged QTcCardiac deathSCD patientsCell diseaseProlonged QTc intervalPremature cardiac deathSudden cardiac deathMultivariate logistic regressionYears of ageLead EKGEchocardiographic characteristicsHbSS patientsClinical courseQTc intervalProspective studyClinical centersHigh riskPatientsQTcStudy subjectsEstablished markerCooperative StudyLogistic regressionNational Institute
2009
Current Epidemiology and Hospitalization Characteristics for Acute Chest Syndrome: A Nationally Representative Survey.
Goel R, Viswanathan P, Krishnamurti L. Current Epidemiology and Hospitalization Characteristics for Acute Chest Syndrome: A Nationally Representative Survey. Blood 2009, 114: 4608. DOI: 10.1182/blood.v114.22.4608.4608.Peer-Reviewed Original ResearchAcute chest syndromeSickle cell diseaseSCD patientsChest syndromeHospital mortalityHospital dischargeCommon complicationRelated hospitalizationsExchange transfusionMechanical ventilationDischarge diagnosisAge groupsICD-9-CM diagnosis codesNationwide Inpatient Sample databaseHigher hospital chargesMean lengthCost of hospitalizationYears age groupMajority of deathsCause of mortalityHigher mean chargesNationally Representative SurveyStratified probability sampleHealth care qualityU.S. community hospitals
2006
Life threatening parvovirus B19 and herpes simplex virus associated acute myocardial dysfunction in a child with homozygous sickle cell disease
Krishnamurti L, Lanford L, Munoz R. Life threatening parvovirus B19 and herpes simplex virus associated acute myocardial dysfunction in a child with homozygous sickle cell disease. Pediatric Blood & Cancer 2006, 49: 1019-1021. PMID: 16700044, DOI: 10.1002/pbc.20855.Peer-Reviewed Original ResearchConceptsSickle cell diseaseHPV B19Parvovirus B19Cell diseaseHemolytic anemiaTransient red cell aplasiaHomozygous sickle cell diseaseAcute myocardial dysfunctionHPV-B19 infectionAcute chest syndromeAcute splenic sequestrationCorrection of anemiaDiagnosis of myocarditisRed cell aplasiaSelf-limiting conditionHuman parvovirus B19Herpes simplex virusChest syndromeFulminant myocarditisB19 infectionCardiopulmonary failureAplastic crisisBlood transfusionMyocardial dysfunctionSCD patientsElevation of tricuspid regurgitant jet velocity, a marker for pulmonary hypertension in children with sickle cell disease
Ambrusko S, Gunawardena S, Sakara A, Windsor B, Lanford L, Michelson P, Krishnamurti L. Elevation of tricuspid regurgitant jet velocity, a marker for pulmonary hypertension in children with sickle cell disease. Pediatric Blood & Cancer 2006, 47: 907-913. PMID: 16496290, DOI: 10.1002/pbc.20791.Peer-Reviewed Original ResearchConceptsElevated tricuspid regurgitant velocityTricuspid regurgitant velocitySickle cell diseaseAcute chest syndromePulmonary hypertensionCerebrovascular diseaseVasoocclusive crisisSCD patientsReticulocyte countCell diseaseType of SCDTricuspid regurgitant jet velocityLife-threatening complicationsObstructive sleep apneaPediatric SCD patientsRegurgitant jet velocityElevated reticulocyte countSignificant differencesNumber of echocardiogramsChest syndromeEchocardiographic evidenceOutpatient echocardiogramMean hemoglobinClinical characteristicsHydroxyurea therapy