2024
Cinpanemab in Early Parkinson Disease: Evaluation of Biomarker Results From the Phase 2 SPARK Clinical Trial.
Hutchison R, Fraser K, Yang M, Fox T, Hirschhorn E, Njingti E, Scott D, Bedell B, Kistner K, Cedarbaum J, Evans K, Graham D, Martarello L, Mollenhauer B, Lang A, Dam T, Beaver J. Cinpanemab in Early Parkinson Disease: Evaluation of Biomarker Results From the Phase 2 SPARK Clinical Trial. Neurology 2024, 102: e209137. PMID: 38315945, DOI: 10.1212/wnl.0000000000209137.Peer-Reviewed Original ResearchConceptsDisease progressionDopaminergic deficitNeurofilament light chain levelsNigrostriatal dopamine pathwayDopamine transporter SPECTTerminated due to lackStriatal dopaminergic deficitsLight chain levelsClinical disease progressionEvidence of dopaminergic deficitParkinson's diseaseEvaluate disease severityBiomarker measurementsEarly Parkinson's diseaseStriatal binding ratiosDevelopment of therapiesStatistically significant differenceScale total scoreBiomarker resultsDouble-blindPlacebo-controlledUnified Parkinson's Disease Rating Scale total scoreDopamine pathwayClinical trialsPrimary outcome
2023
Relative Meaningfulness and Impacts of Symptoms in People with Early-Stage Parkinson’s Disease
Mammen J, Speck R, Stebbins G, Müller M, Yang P, Campbell M, Cosman J, Crawford J, Dam T, Hellsten J, Jensen-Roberts S, Kostrzebski M, Simuni T, Barowicz K, Cedarbaum J, Dorsey E, Stephenson D, Adams J. Relative Meaningfulness and Impacts of Symptoms in People with Early-Stage Parkinson’s Disease. Journal Of Parkinson's Disease 2023, 13: 619-632. PMID: 37212071, PMCID: PMC10357209, DOI: 10.3233/jpd-225068.Peer-Reviewed Original ResearchConceptsEarly Parkinson's diseaseMeaningful symptomsParkinson's diseaseEarly-stage Parkinson's diseaseMost bothersome symptomsImpact of symptomsStage Parkinson's diseaseBothersomeness of symptomsFine motor difficultiesBothersome symptomsImpact of diseasePatient's perspectiveImportant symptomNew therapiesFuture symptomsSymptom mappingSymptomsMotor difficultiesDiseaseExperiences of peopleJob functioningMapping Relevance of Digital Measures to Meaningful Symptoms and Impacts in Early Parkinson’s Disease
Mammen J, Speck R, Stebbins G, Müller M, Yang P, Campbell M, Cosman J, Crawford J, Dam T, Hellsten J, Jensen-Roberts S, Kostrzebski M, Simuni T, Barowicz K, Cedarbaum J, Dorsey E, Stephenson D, Adams J. Mapping Relevance of Digital Measures to Meaningful Symptoms and Impacts in Early Parkinson’s Disease. Journal Of Parkinson's Disease 2023, 13: 589-607. PMID: 37212073, PMCID: PMC10357170, DOI: 10.3233/jpd-225122.Peer-Reviewed Original Research
2022
A qualitative evaluation of the revised amyotrophic lateral sclerosis functional rating scale (ALSFRS-R) by the patient community: a web-based cross-sectional survey
Boyce D, Robinson M, Cedarbaum J, Shank L, McDermott C, van Eijk R. A qualitative evaluation of the revised amyotrophic lateral sclerosis functional rating scale (ALSFRS-R) by the patient community: a web-based cross-sectional survey. Amyotrophic Lateral Sclerosis And Frontotemporal Degeneration 2022, 24: 272-280. PMID: 36330850, DOI: 10.1080/21678421.2022.2140592.Peer-Reviewed Original ResearchConceptsAmyotrophic Lateral Sclerosis Functional Rating ScaleFunctional Rating ScaleOutcome measuresRating ScaleWeb-based cross-sectional surveyAbility of patientsCross-sectional surveyALS studiesWeb-based surveyALSFRSPatient communityPerspectives of peopleCaregiversPatientsALSItem questionsLiteracy levelsApplication of longitudinal item response theory models to modeling Parkinson’s disease progression
Zou H, Aggarwal V, Stebbins G, Müller M, Cedarbaum J, Pedata A, Stephenson D, Simuni T, Luo S. Application of longitudinal item response theory models to modeling Parkinson’s disease progression. CPT Pharmacometrics & Systems Pharmacology 2022, 11: 1382-1392. PMID: 35895005, PMCID: PMC9574723, DOI: 10.1002/psp4.12853.Peer-Reviewed Original ResearchConceptsEarly Parkinson's diseaseParkinson's diseaseDisease progressionProgression rateUnified Parkinson's Disease Rating Scale part 2Stage 1Yahr stage 1Higher baseline severityCommon clinical outcomeLongitudinal disease progressionSlow progression rateParkinson's disease progressionMovement Disorder SocietyStage 2Clinical outcomesMotor signsBaseline severitySlow progressionSum scoreTotal scoreLongitudinal item response theory modelProgressionSeverityPatientsDiseaseTrial of Cinpanemab in Early Parkinson’s Disease
Lang A, Siderowf A, Macklin E, Poewe W, Brooks D, Fernandez H, Rascol O, Giladi N, Stocchi F, Tanner C, Postuma R, Simon D, Tolosa E, Mollenhauer B, Cedarbaum J, Fraser K, Xiao J, Evans K, Graham D, Sapir I, Inra J, Hutchison R, Yang M, Fox T, Budd Haeberlein S, Dam T. Trial of Cinpanemab in Early Parkinson’s Disease. New England Journal Of Medicine 2022, 387: 408-420. PMID: 35921450, DOI: 10.1056/nejmoa2203395.Peer-Reviewed Original ResearchConceptsEarly Parkinson's diseasePrimary end pointSecondary end pointsWeek 52Parkinson's diseaseEnd pointControl groupUnified Parkinson's Disease Rating Scale (UPDRS) total scoreDisease pathogenesisHuman-derived monoclonal antibodiesΑ-synucleinCommon adverse eventsPhase 2 trialDisease-modifying treatmentsMDS-UPDRS scoresLack of efficacyDAT SPECT imagingAdjusted mean differenceMovement Disorder SocietyParkinson's disease pathogenesisScale total scoreAdverse eventsIntravenous infusionDAT-SPECTDisease progressionTracking Emergence of New Motor and Non-Motor Symptoms Using the MDS-UPDRS: A Novel Outcome Measure for Early Parkinson’s Disease?
Tosin M, Simuni T, Stebbins G, Cedarbaum J. Tracking Emergence of New Motor and Non-Motor Symptoms Using the MDS-UPDRS: A Novel Outcome Measure for Early Parkinson’s Disease? Journal Of Parkinson's Disease 2022, 12: 1345-1351. PMID: 35466955, PMCID: PMC9198734, DOI: 10.3233/jpd-223170.Peer-Reviewed Original ResearchConceptsEmergent symptomsDisease progressionOutcome measuresParkinson's disease clinical trialsNon-motor symptomsEarly Parkinson's diseaseDaily Living ScalePatient-reported experiencesClinical rating scalesNovel outcome measuresSymptomatic treatmentPD progressionClinical trialsMedian numberDaily livingLiving ScaleParkinson's diseaseSummary scoresMDS-UPDRSUseful markerRating ScaleSTX groupProgressionStxSymptomsGlucocerebrosidase Activity Is Not Associated with Parkinson's Disease Risk or Severity
Omer N, Giladi N, Gurevich T, Bar‐Shira A, Gana‐Weisz M, Glinka T, Goldstein O, Kestenbaum M, Cedarbaum J, Mabrouk O, Fraser K, Shirvan J, Orr‐Urtreger A, Mirelman A, Thaler A. Glucocerebrosidase Activity Is Not Associated with Parkinson's Disease Risk or Severity. Movement Disorders 2022, 37: 651-652. PMID: 35064687, DOI: 10.1002/mds.28929.Peer-Reviewed Original Research
2021
Considerations to address missing data when deriving clinical trial endpoints from digital health technologies
Di J, Demanuele C, Kettermann A, Karahanoglu F, Cappelleri J, Potter A, Bury D, Cedarbaum J, Byrom B. Considerations to address missing data when deriving clinical trial endpoints from digital health technologies. Contemporary Clinical Trials 2021, 113: 106661. PMID: 34954098, DOI: 10.1016/j.cct.2021.106661.Peer-Reviewed Original ResearchConceptsStatistical approachFunctional data analysisStatistical methodsRobust modelingImputation approachComplex dataTime series dataSeries dataMissingnessHigh-frequency time series dataStarting pointLearning methodsData analysisApproachSummary measuresModelingImputationDeep learning methodsDigital health technologiesEvaluating dopamine transporter imaging as an enrichment biomarker in a phase 2 Parkinson’s disease trial
Hutchison R, Evans K, Fox T, Yang M, Barakos J, Bedell B, Cedarbaum J, Brys M, Siderowf A, Lang A. Evaluating dopamine transporter imaging as an enrichment biomarker in a phase 2 Parkinson’s disease trial. BMC Neurology 2021, 21: 459. PMID: 34814867, PMCID: PMC8609885, DOI: 10.1186/s12883-021-02470-8.Peer-Reviewed Original ResearchConceptsDAT-SPECTParkinson's diseaseClinical trialsDisease trialsPhase 2 trialDopaminergic nerve terminalsEarly Parkinson's diseaseDisease-modifying therapiesIdiopathic Parkinson's diseaseMulticenter clinical trialParkinson's disease trialStudy design aspectsSingle photon emissionStages of progressionDegenerative parkinsonismEnrichment biomarkerResultsIn totalClinical assessmentNerve terminalsBlinded neuroradiologistsClinical diagnosisDopamine transporterMonoclonal antibodiesCentral laboratoryTrialsGlucocerebrosidase Activity is not Associated with Parkinson's Disease Risk or Severity
Omer N, Giladi N, Gurevich T, Bar‐Shira A, Gana‐Weisz M, Glinka T, Goldstein O, Kestenbaum M, Cedarbaum J, Mabrouk O, Fraser K, Shirvan J, Orr‐Urtreger A, Mirelman A, Thaler A. Glucocerebrosidase Activity is not Associated with Parkinson's Disease Risk or Severity. Movement Disorders 2021, 37: 190-195. PMID: 34550621, PMCID: PMC9292990, DOI: 10.1002/mds.28792.Peer-Reviewed Original ResearchConceptsNon-manifesting carriersProdromal Parkinson's diseaseParkinson's diseaseGCase activityClinical phenotypeLower GCase activityCarriers of mutationsLysosomal enzyme glucocerebrosidaseGBA-NMCGBA-PDPD patientsRisk factorsGBA mutationsPD phenotypeG2019S LRRK2GBA geneEnzyme glucocerebrosidaseLRRK2 genePerformance-based measuresAshkenazi JewsDiseaseGroups of participantsPhenotypeMutationsParticipantsSeeking progress in disease modification in Parkinson disease
Lungu C, Cedarbaum J, Dawson T, Dorsey E, Faraco C, Federoff H, Fiske B, Fox R, Goldfine A, Kieburtz K, Macklin E, Matthews H, Rafaloff G, Saunders-Pullman R, Schor N, Schwarzschild M, Sieber B, Simuni T, Surmeier D, Tamiz A, Werner M, Wright C, Wyse R. Seeking progress in disease modification in Parkinson disease. Parkinsonism & Related Disorders 2021, 90: 134-141. PMID: 34561166, DOI: 10.1016/j.parkreldis.2021.09.006.Peer-Reviewed Original ResearchConceptsDisease modificationParkinson's diseaseDisease-modifying benefitsNovel trial designsDrug therapyPatient populationTrial failuresTherapeutic targetTrial designNeurological disordersRelevant biomarkersTherapeutic developmentNational InstituteDiseaseReview articleResearch prioritiesKey stakeholder groupsFailureLikelihood of successTherapyStrokeBiomarkersSystematic Assessment of 10 Biomarker Candidates Focusing on α‐Synuclein‐Related Disorders
Schulz I, Kruse N, Gera R, Kremer T, Cedarbaum J, Barbour R, Zago W, Schade S, Otte B, Bartl M, Hutten S, Trenkwalder C, Mollenhauer B. Systematic Assessment of 10 Biomarker Candidates Focusing on α‐Synuclein‐Related Disorders. Movement Disorders 2021, 36: 2874-2887. PMID: 34363416, DOI: 10.1002/mds.28738.Peer-Reviewed Original ResearchConceptsGlial fibrillary acidic proteinCerebrospinal fluidChitinase-3-like protein 1Calcium-binding protein BUbiquitin C-terminal hydrolase L1Myeloid cells 2Neurofilament light chainObjective diagnostic biomarkersFibrillary acidic proteinNeurofilament heavy chainDiagnostic biomarker candidatesDiagnostic biomarkersClinical diagnosisTau proteinPhosphorylated aSynNeurodegenerative disordersAcidic proteinCells 2Α-synucleinBiomarker candidatesProtein 1Candidate markersAvailable kitsDisordersLight chainQuantitative digital clock drawing test as a sensitive tool to detect subtle cognitive impairments in early stage Parkinson's disease
Schejter-Margalit T, Kizony R, Shirvan J, Cedarbaum J, Bregman N, Thaler A, Giladi N, Mirelman A. Quantitative digital clock drawing test as a sensitive tool to detect subtle cognitive impairments in early stage Parkinson's disease. Parkinsonism & Related Disorders 2021, 90: 84-89. PMID: 34416663, DOI: 10.1016/j.parkreldis.2021.08.002.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overCase-Control StudiesCognitionCognitive DysfunctionFemaleGenotypeGlucosylceramidaseHumansLeucine-Rich Repeat Serine-Threonine Protein Kinase-2MaleMental Status and Dementia TestsMiddle AgedMutationNeuropsychological TestsParkinson DiseaseReproducibility of ResultsROC CurveSensitivity and SpecificityConceptsColor Trails TestSubtle cognitive declineClock Drawing TestCognitive AssessmentCognitive profileCognitive declineCognitive testsDigital clock drawing testStandardized neuropsychological testsDrawing TestDigital cognitive assessmentSubtle cognitive impairmentCurrent standardized testsClock-drawing testEarly cognitive declineMontreal Cognitive AssessmentTrails TestNeuropsychological testsSubtle impairmentsHealthy controlsMutations in GBA and LRRK2 Are Not Associated with Increased Inflammatory Markers
Thaler A, Omer N, Giladi N, Gurevich T, Bar-Shira A, Gana-Weisz M, Goldstein O, Kestenbaum M, Shirvan J, Cedarbaum J, Orr-Urtreger A, Regev K, Shenhar-Tsarfaty S, Mirelman A. Mutations in GBA and LRRK2 Are Not Associated with Increased Inflammatory Markers. Journal Of Parkinson's Disease 2021, 11: 1285-1296. PMID: 33998549, PMCID: PMC8461659, DOI: 10.3233/jpd-212624.Peer-Reviewed Original ResearchConceptsNon-manifesting carriersRole of inflammationGBA-PDParkinson's diseaseGenetic Parkinson's diseaseLRRK2-PDPD patientsCerebrospinal fluidNon-manifesting mutation carriersAnti-inflammatory treatmentProdromal Parkinson's diseaseGeneral medical conditionsIdiopathic Parkinson's diseaseLRRK2-PD patientsCSF cytokinesGBA-NMCLRRK2-NMCPeripheral cytokinesInflammatory markersIL-10Inflammatory measuresDisease characteristicsIL-1βIL-6Peripheral bloodDetecting Sensitive Mobility Features for Parkinson's Disease Stages Via Machine Learning
Mirelman A, Frank M, Melamed M, Granovsky L, Nieuwboer A, Rochester L, Del Din S, Avanzino L, Pelosin E, Bloem B, Della Croce U, Cereatti A, Bonato P, Camicioli R, Ellis T, Hamilton J, Hass C, Almeida Q, Inbal M, Thaler A, Shirvan J, Cedarbaum J, Giladi N, Hausdorff J. Detecting Sensitive Mobility Features for Parkinson's Disease Stages Via Machine Learning. Movement Disorders 2021, 36: 2144-2155. PMID: 33955603, DOI: 10.1002/mds.28631.Peer-Reviewed Original ResearchConceptsParkinson's diseaseDisease stageMid-stage Parkinson's diseaseAge-matched healthy controlsEarly Parkinson's diseaseHigh discriminatory valueBilateral anklesDisease progressionClinical trialsHealthy controlsDisease spectrumGait measuresSeverity stagesAdvanced stageTrunk sensorDisease severityStride timingStudy participantsDiscriminatory valueObjective monitoringMobility measuresDiseaseCohort selectionMean sensitivityLongitudinal Changes in Neuromelanin MRI Signal in Parkinson's Disease: A Progression Marker
Gaurav R, Yahia‐Cherif L, Pyatigorskaya N, Mangone G, Biondetti E, Valabrègue R, Ewenczyk C, Hutchison R, Cedarbaum J, Corvol J, Vidailhet M, Lehéricy S. Longitudinal Changes in Neuromelanin MRI Signal in Parkinson's Disease: A Progression Marker. Movement Disorders 2021, 36: 1592-1602. PMID: 33751655, PMCID: PMC8359265, DOI: 10.1002/mds.28531.Peer-Reviewed Original ResearchConceptsTotal intracranial volumePD patientsHealthy volunteersParkinson's diseaseIntracranial volumeObservational case-control studySubstantia nigra pars compactaDirect noninvasive assessmentDisease-modifying treatmentsEarly PD patientsFemale PD patientsTherapeutic drug trialsCase-control studyNeuromelanin-sensitive MRI techniquesNeuromelanin-sensitive imagingMale patientsFemale patientsPars compactaCohort IICohort IDrug trialsPatientsImaging biomarkersNoninvasive assessmentDisease severityBiochemical markers for severity and risk in GBA and LRRK2 Parkinson’s disease
Thaler A, Omer N, Giladi N, Gurevich T, Bar-Shira A, Gana-Weisz M, Goldstein O, Kestenbaum M, Cedarbaum J, Orr-Urtreger A, Shenhar-Tsarfaty S, Mirelman A. Biochemical markers for severity and risk in GBA and LRRK2 Parkinson’s disease. Journal Of Neurology 2021, 268: 1517-1525. PMID: 33388928, DOI: 10.1007/s00415-020-10325-4.Peer-Reviewed Original ResearchConceptsNon-manifesting carriersProdromal Parkinson's diseaseWhite blood countParkinson's diseaseMicroalbumin/creatinine ratioNeutrophil/lymphocyte ratioGBA-PD patientsWorse motor performanceGlomerular filtration rateLRRK2 mutation carriersC-reactive proteinIdiopathic Parkinson's diseaseGBA-NMCGBA-PDLRRK2-NMCCreatinine ratioLRRK2-PDLymphocyte ratioVitamin DBlood countFiltration rateIdiopathic PDMutation carriersPD severityBiochemical markers
2020
Low cerebrospinal fluid volume and the risk for post-lumbar puncture headaches
Droby A, Omer N, Gurevich T, Kestenbaum M, Mina Y, Cedarbaum JM, Aizenstein O, Giladi N, Mirelman A, Thaler A. Low cerebrospinal fluid volume and the risk for post-lumbar puncture headaches. Journal Of The Neurological Sciences 2020, 417: 117059. PMID: 32739500, DOI: 10.1016/j.jns.2020.117059.Peer-Reviewed Original ResearchConceptsPost-LP headachePost-lumbar puncture headacheLow CSF volumeT1-weighted imagesCerebrospinal fluidCSF volumePuncture headacheDisease-modifying clinical trialsLow cerebrospinal fluid (CSF) volumePatient-related factorsGradient-echo T1-weighted imagesCerebrospinal fluid volumeLP headacheAdverse eventsMedical workupClinical trialsBrain MRINeurological conditionsHeadacheMRI scansT MR scannerWhite matterCSF collectionGray matterPilot studyMetabolic syndrome does not influence the phenotype of LRRK2 and GBA related Parkinson’s disease
Thaler A, Shenhar-Tsarfaty S, Shaked Y, Gurevich T, Omer N, Bar-Shira A, Gana-Weisz M, Goldstein O, Kestenbaum M, Cedarbaum JM, Orr-Urtreger A, Giladi N, Mirelman A. Metabolic syndrome does not influence the phenotype of LRRK2 and GBA related Parkinson’s disease. Scientific Reports 2020, 10: 9329. PMID: 32518334, PMCID: PMC7283235, DOI: 10.1038/s41598-020-66319-9.Peer-Reviewed Original ResearchConceptsMetabolic syndromeParkinson's diseaseLRRK2-NMCLRRK2-PDComponents of MSGBA-Parkinson diseaseMetabolic componentsProdromal Parkinson's diseaseHigh triglyceride levelsIdiopathic Parkinson's diseaseGBA-NMCGBA-PDElevated triglyceridesBlood pressureLRRK2 carriersProdromal featuresTriglyceride levelsPD groupDiseaseDisease statesLaboratory test resultsPrediabetesSyndromeHigh rateTriglycerides