2024
Validation of a Simplified Tissue-to-Reference Ratio Measurement Using SUVR to Assess Synaptic Density Alterations in Alzheimer Disease with [11C]UCB-J PET
Young J, O’Dell R, Naganawa M, Toyonaga T, Chen M, Nabulsi N, Huang Y, Cooper E, Miller A, Lam J, Bates K, Ruan A, Nelsen K, Salardini E, Carson R, van Dyck C, Mecca A. Validation of a Simplified Tissue-to-Reference Ratio Measurement Using SUVR to Assess Synaptic Density Alterations in Alzheimer Disease with [11C]UCB-J PET. Journal Of Nuclear Medicine 2024, 65: jnumed.124.267419. PMID: 39299782, PMCID: PMC11533916, DOI: 10.2967/jnumed.124.267419.Peer-Reviewed Original ResearchDistribution volume ratioSUV ratioSynaptic densityEffect sizeAlzheimer's diseaseLongitudinal study of Alzheimer's diseaseMethods:</b> ParticipantsLongitudinal studyMeasure synaptic densityAD participantsStudy of Alzheimer's diseaseNormal cognitionReference regionOlder adultsMulticenterDensity alterationsMeasuring clinically relevant change in apathy symptoms in ADMET and ADMET 2.
Tumati S, Herrmann N, Perin J, Rosenberg P, Lerner A, Mintzer J, Padala P, Brawman-Mintzer O, van Dyck C, Porsteinsson A, Craft S, Levey A, Shade D, Lanctôt K. Measuring clinically relevant change in apathy symptoms in ADMET and ADMET 2. International Psychogeriatrics 2024, 1-13. PMID: 39297292, DOI: 10.1017/s1041610224000711.Peer-Reviewed Original ResearchDementia Apathy Interview and RatingMinimal clinically important differenceDistribution-based analysisMeasure clinically relevant changesClinically important differenceClinically significant apathyAnchor-based analysesDementia careGlobal Impression of ChangeImpression of ChangeLinear mixed modelsAlzheimer's diseaseClinically relevant changesMMSE scoreImportant differenceApathy symptomsApathy ScaleControlled trialsSignificant apathyAnchor measuresDementiaStudy visitsApathy severityMethylphenidate trialSymptom severityCT1812 biomarker signature from a meta‐analysis of CSF proteomic findings from two Phase 2 clinical trials in Alzheimer's disease
Lizama B, Williams C, North H, Pandey K, Duong D, Di V, Mecca A, Blennow K, Zetterberg H, Levey A, Grundman M, van Dyck C, Caggiano A, Seyfried N, Hamby M. CT1812 biomarker signature from a meta‐analysis of CSF proteomic findings from two Phase 2 clinical trials in Alzheimer's disease. Alzheimer's & Dementia 2024, 20: 6860-6880. PMID: 39166791, PMCID: PMC11485314, DOI: 10.1002/alz.14152.Peer-Reviewed Original ResearchVolumetric magnetic resonance imagingMagnetic resonance imagingPharmacodynamic biomarkersMeta-analysisClinical developmentCerebrospinal fluidPhase 2 clinical trialResonance imagingAlzheimer's diseaseMechanism of actionClinical trialsTandem mass tag-mass spectrometryClinical cohortMild to moderate ADCandidate biomarkersCT1812CohortBiomarker signaturesBiomarkersProteomic findingsUnbiased analysisNetwork analysisAmyloid-betaSynaptic biologyBiological impactAdverse effects of methylphenidate for apathy in patients with Alzheimer's disease (ADMET2 trial)
Zeng L, Perin J, Gross A, Shade D, Lanctôt K, Lerner A, Mintzer J, Brawman‐Mintzer O, Padala P, van Dyck C, Porsteinsson A, Craft S, Levey A, Herrmann N, Rosenberg P. Adverse effects of methylphenidate for apathy in patients with Alzheimer's disease (ADMET2 trial). International Journal Of Geriatric Psychiatry 2024, 39: e6108. PMID: 38858522, PMCID: PMC11265565, DOI: 10.1002/gps.6108.Peer-Reviewed Original ResearchConceptsMethylphenidate groupTreating apathyPlacebo-controlled trial of methylphenidateTreatment of apathyAssociated with methylphenidateEffects of methylphenidateTrial of methylphenidateAlzheimer's diseaseFollow-upNo treatment group differencesAdverse effects of methylphenidateDiastolic blood pressureSymptom ChecklistAdverse eventsTreatment group differencesMonitoring weightMethylphenidate useMethylphenidate treatmentMedical comorbiditiesPlacebo groupParticipantsMethylphenidateGroup differencesPlacebo-controlled trialMonthly visitsNanoscale imaging of pT217‐tau in aged rhesus macaque entorhinal and dorsolateral prefrontal cortex: Evidence of interneuronal trafficking and early‐stage neurodegeneration
Datta D, Perone I, Wijegunawardana D, Liang F, Morozov Y, Arellano J, Duque A, Xie Z, van Dyck C, Joyce M, Arnsten A. Nanoscale imaging of pT217‐tau in aged rhesus macaque entorhinal and dorsolateral prefrontal cortex: Evidence of interneuronal trafficking and early‐stage neurodegeneration. Alzheimer's & Dementia 2024, 20: 2843-2860. PMID: 38445818, PMCID: PMC11032534, DOI: 10.1002/alz.13737.Peer-Reviewed Original ResearchSynaptic density patterns in early Alzheimer’s disease assessed by independent component analysis
Fang X, Raval N, O’Dell R, Naganawa M, Mecca A, Chen M, van Dyck C, Carson R. Synaptic density patterns in early Alzheimer’s disease assessed by independent component analysis. Brain Communications 2024, 6: fcae107. PMID: 38601916, PMCID: PMC11004947, DOI: 10.1093/braincomms/fcae107.Peer-Reviewed Original ResearchMedial temporal brain regionsAlzheimer's diseaseTemporal brain regionsCognitive deficitsBrain regionsCognitive impairmentPostmortem studiesBinds to SV2ASynaptic densityReduction of synaptic densityIndependent component analysisSynaptic lossAlzheimerDeficitsImpairmentBrainNeocortexComponent analysisPrimary pathologySV2AExamining amyloid reduction as a surrogate endpoint through latent class analysis using clinical trial data for dominantly inherited Alzheimer's disease
Wang G, Li Y, Xiong C, Benzinger T, Gordon B, Hassenstab J, Aschenbrenner A, McDade E, Clifford D, Libre‐Guerra J, Shi X, Mummery C, van Dyck C, Lah J, Honig L, Day G, Ringman J, Brooks W, Fox N, Suzuki K, Levin J, Jucker M, Delmar P, Bittner T, Bateman R, Team F. Examining amyloid reduction as a surrogate endpoint through latent class analysis using clinical trial data for dominantly inherited Alzheimer's disease. Alzheimer's & Dementia 2024 PMID: 38400532, DOI: 10.1002/alz.13735.Peer-Reviewed Original ResearchLatent classesPositron emission tomographyAmyloid reductionCognitive efficacyLatent class analysisAmyloid positron emission tomographyCognitive outcomesCognitive declineDominantly Inherited Alzheimer's Network Trials UnitSurrogate biomarkerBaseline characteristicsInherited Alzheimer's diseaseMultiple measuresClass analysisEmission tomographyTrials UnitAlzheimer's diseaseClinical trialsSurrogate endpointsTreatment effectsWhole genome‐wide sequence analysis of long‐lived families (Long‐Life Family Study) identifies MTUS2 gene associated with late‐onset Alzheimer's disease
Xicota L, Cosentino S, Vardarajan B, Mayeux R, Perls T, Andersen S, Zmuda J, Thyagarajan B, Yashin A, Wojczynski M, Krinsky‐McHale S, Handen B, Christian B, Head E, Mapstone M, Schupf N, Lee J, Barral S, Study T, Abner E, Adams P, Aguirre A, Albert M, Albin R, Allen M, Alvarez L, Andrews H, Apostolova L, Arnold S, Asthana S, Atwood C, Ayres G, Barber R, Barnes L, Barral S, Bartlett J, Beach T, Becker J, Beecham G, Benchek P, Bennett D, Bertelson J, Biber S, Bird T, Blacker D, Boeve B, Bowen J, Boxer A, Brewer J, Burke J, Burns J, Bush W, Buxbaum J, Byrd G, Cantwell L, Cao C, Carlsson C, Carrasquillo M, Chan K, Chasse S, Chen Y, Chesselet M, Chin N, Chui H, Chung J, Craft S, Crane P, Cranney M, Cruchaga C, Cuccaro M, Culhane J, Cullum C, Darby E, Davis B, De Jager P, DeCarli C, DeToledo J, Dickson D, Dobbins N, Duara R, Ertekin‐Taner N, Evans D, Faber K, Fairchild T, Fallin D, Fallon K, Fardo D, Farlow M, Farrell J, Farrer L, Fernandez‐Hernandez V, Foroud T, Frosch M, Galasko D, Gamboa A, Gauthreaux K, Gefen T, Geschwind D, Ghetti B, Gilbert J, Goate A, Grabowski T, Graff‐Radford N, Griswold A, Haines J, Hakonarson H, Hall K, Hall J, Hamilton R, Hamilton‐Nelson K, Han X, Harari O, Hardy J, Harrell L, Head E, Henderson V, Hernandez M, Honig L, Huebinger R, Huentelman M, Hulette C, Hyman B, Hynan L, Ibanez L, Jarvik G, Jayadev S, Jin L, Johnson K, Johnson L, Jones B, Jun G, Kamboh M, Kang M, Karydas A, Katz M, Kauwe J, Kaye J, Keene C, Keller B, Khaleeq A, Kim R, Knebl J, Kowall N, Kramer J, Kukull W, Kunkle B, Kuzma A, LaFerla F, Lah J, Larson E, Lerch M, Lerner A, Leung Y, Leverenz J, Levey A, Lieberman A, Lipton R, Lopez O, Lunetta K, Lyketsos C, Mains D, Manly J, Mark L, Marquez D, Marson D, Martin E, Masliah E, Massman P, Masurkar A, Mayeux R, McCormick W, McCurry S, McDonough S, McKee A, Mesulam M, Mez J, Miller B, Miller C, Mock C, Moghekar A, Montine T, Monuki E, Mooney S, Morris J, Mukherjee S, Myers A, Naj A, Nguyen T, Noble J, Nudelman K, O'Bryant S, Ormsby K, Ory M, Palmer R, Parisi J, Paulson H, Pavlik V, Paydarfar D, Perez V, Pericak‐Vance M, Petersen R, Polk M, Qu L, Quiceno M, Quinn J, Raj A, Rajabli F, Ramanan V, Reiman E, Reisch J, Reitz C, Ringman J, Roberson E, Rodriguear M, Rogaeva E, Rosen H, Rosenberg R, Royall D, Sano M, Saykin A, Schellenberg G, Schneider J, Schneider L, Seeley W, Sherva R, Shibata D, Small S, Smith A, Smith J, Song Y, Spina S, St George‐Hyslop P, Stern R, Stevens A, Strittmatter S, Sultzer D, Swerdlow R, Teich A, Tilson J, Tosto G, Trojanowski J, Troncoso J, Tsuang D, Valladares O, Van Deerlin V, Van Dyck C, Van Eldik L, Vance J, Vardarajan B, Vassar R, Vinters H, Wang L, Weintraub S, Welsh‐Bohmer K, Wheeler N, Wijsman E, Wilhelmsen K, Williams B, Williamson J, Wilms H, Wingo T, Wisniewski T, Woltjer R, Woon M, Younkin S, Yu L, Zhao Y, Zhou X, Zhu C, Aizenstein H, Ances B, Andrews H, Bell K, Birn R, Brickman A, Bulova P, Cheema A, Chen K, Christian B, Clare I, Cohen A, Constantino J, Doran E, Fagan A, Feingold E, Foroud T, Handen B, Harp J, Hartley S, Head E, Henson R, Hom C, Honig L, Ikonomovic M, Johnson S, Jordan C, Kamboh M, Keator D, Klunk W, Kofler J, Krinsky‐McHale S, Lai F, Lao P, Laymon C, Lee J, Lott I, Lupson V, Mapstone M, Mathis C, Minhas D, Nadkarni N, O'Bryant S, Parisi M, Pang D, Petersen M, Price J, Pulsifer M, Rafii M, Reiman E, Rizvi B, Rosas H, Ryan L, Schmitt F, Schupf N, Silverman W, Tudorascu D, Tumuluru R, Varadarajan B, White D, Yassa M, Zaman S, Zhang F. Whole genome‐wide sequence analysis of long‐lived families (Long‐Life Family Study) identifies MTUS2 gene associated with late‐onset Alzheimer's disease. Alzheimer's & Dementia 2024, 20: 2670-2679. PMID: 38380866, PMCID: PMC11032545, DOI: 10.1002/alz.13718.Peer-Reviewed Original ResearchConceptsLate-onset Alzheimer's diseaseGenes associated with late-onset Alzheimer's diseaseLate-onset Alzheimer's disease riskSeveral single nucleotide polymorphismsVariants associated with late-onset Alzheimer diseaseBeta-amyloidIdentified several single nucleotide polymorphismsWhole-genome sequence analysisGenome sequence analysisLevels of beta-amyloidAlzheimer's diseaseTight linkage disequilibriumMicrotubule associated proteinSingle nucleotide polymorphismsFamily studiesCandidate lociMTUS2Linkage disequilibriumSequence analysisAssociation analysisNucleotide polymorphismsGenetic associationAlzheimer's dementiaAssociated proteinGenetic componentA pilot study to evaluate the effect of CT1812 treatment on synaptic density and other biomarkers in Alzheimer’s disease
van Dyck C, Mecca A, O’Dell R, Bartlett H, Diepenbrock N, Huang Y, Hamby M, Grundman M, Catalano S, Caggiano A, Carson R. A pilot study to evaluate the effect of CT1812 treatment on synaptic density and other biomarkers in Alzheimer’s disease. Alzheimer's Research & Therapy 2024, 16: 20. PMID: 38273408, PMCID: PMC10809445, DOI: 10.1186/s13195-024-01382-2.Peer-Reviewed Original ResearchConceptsMild to moderate dementiaPositron emission tomographyAlzheimer's diseaseVolumetric MRIModerate dementiaClinical rating scalesSynaptic vesicle glycoprotein 2ACerebrospinal fluidMouse model of ADPharmacodynamic effectsPlacebo-controlled phase 1 clinical trialBiomarkers of AD pathologyClinical trialsCognitive measuresNominally significant differencesPhase 1 clinical trialModel of ADHippocampal cortexPhase 1/2 studyRating ScaleParallel-group trialSynaptic densityTrial registrationThe clinical trialPlacebo-controlledSigma-2 receptor ligands
2023
Tau epicenter identification and connectivity in clinically heterogeneous Alzheimer’s disease variants
Trainer A, Xu W, Chase A, O'Dell R, Tun S, Li J, Ju S, van Dyck C, Mecca A, Fredricks C. Tau epicenter identification and connectivity in clinically heterogeneous Alzheimer’s disease variants. Alzheimer's & Dementia 2023, 19 DOI: 10.1002/alz.079435.Peer-Reviewed Original ResearchAmnestic Alzheimer's diseaseLogopenic variant primary progressive aphasiaPosterior cortical atrophyFunctional connectivity mapsHigher tau burdenFunctional connectivityTau burdenAlzheimer's diseaseConnectivity mapsLongitudinal tau-PETSpread of tauVariant primary progressive aphasiaFusiform gyrusFrontal eye fieldPrimary progressive aphasiaBrains of participantsTau PET scansSuperior parietal lobulePatient-specific biomarkersCortical atrophyCommon subtypeTau-PETHealthy controlsParietooccipital cortexPET scansBlood‐based biomarkers for predicting treatment response in the Apathy in Dementia Methylphenidate Trial 2 randomized clinical trial
Tumati S, Vieira D, Bawa K, Andreazza A, Mintzer J, Scherer R, Rosenberg P, van Dyck C, Padala P, Brawman‐Mintzer O, Porsteinsson A, Lerner A, Craft S, Levey A, Burke W, Perin J, Shade D, Herrmann N, Lanctôt K. Blood‐based biomarkers for predicting treatment response in the Apathy in Dementia Methylphenidate Trial 2 randomized clinical trial. Alzheimer's & Dementia 2023, 19 DOI: 10.1002/alz.079161.Peer-Reviewed Original ResearchAnatomical characterization of pT217‐tau in aged rhesus macaque association cortices: Relevance for trans‐synaptic propagation in sporadic Alzheimer’s Disease
Datta D, Mentone S, Morozov Y, van Dyck C, Arnsten A. Anatomical characterization of pT217‐tau in aged rhesus macaque association cortices: Relevance for trans‐synaptic propagation in sporadic Alzheimer’s Disease. Alzheimer's & Dementia 2023, 19 DOI: 10.1002/alz.075998.Peer-Reviewed Original ResearchTau pathologyEntorhinal cortexAlzheimer's diseaseRhesus macaquesBrain tau pathologyHigher brain circuitsHigher cortical circuitsPattern of neurodegenerationAged rhesus macaquesHuman Alzheimer's diseaseSporadic Alzheimer's diseaseTrans-synaptic propagationSoluble tau speciesSequence of tauDorsolateral prefrontal cortexAmyloid pathologyExtracellular spaceDendritic shaftsAdvanced neurodegenerationTau hyperphosphorylationInhibitory synapsesNeurofibrillary tanglesGlutamatergic synapsesSpine apparatusAD biomarkersFeasibility Study for Longitudinal Retinal Imaging in the Anti‐Amyloid Treatment in Asymptomatic Alzheimer’s Disease (A4) Trial
Rissman R, Ngolab J, Donohue M, Belsha A, Salazar J, Cohen P, Jaiswal S, Tan V, Aggarwal N, Alber J, Johnson K, Jicha G, van Dyck C, Lah J, Salloway S, Rafii M, Aisen P, Sperling R. Feasibility Study for Longitudinal Retinal Imaging in the Anti‐Amyloid Treatment in Asymptomatic Alzheimer’s Disease (A4) Trial. Alzheimer's & Dementia 2023, 19 DOI: 10.1002/alz.079580.Peer-Reviewed Original ResearchAnti-Amyloid TreatmentAsymptomatic Alzheimer's diseaseFeasibility of retinal imagingLongitudinal Evaluation of Amyloid RiskCohort of individualsAlzheimer's diseaseResults ParticipantsAnti-amyloidA4 trialAD-diagnosed patientsRetinal spotsPositron emission tomographyStandardized uptake value ratioAmyloid positron emission tomographyLongitudinal evaluationRisk detectionClinically normal individualsParticipantsPET standardized uptake value ratioFeasibility studyClinicCross-sectionRetinal amyloid depositsAmyloid depositsIndividualsAging gene signature of memory CD8+ T cells is associated with neurocognitive functioning in Alzheimer’s disease
Young J, Park H, Kim M, Par-Young J, Bartlett H, Kim H, Unlu S, Osmani L, Shin M, Bucala R, van Dyck C, Allore H, Mecca A, You S, Kang I. Aging gene signature of memory CD8+ T cells is associated with neurocognitive functioning in Alzheimer’s disease. Immunity & Ageing 2023, 20: 71. PMID: 38042785, PMCID: PMC10693128, DOI: 10.1186/s12979-023-00396-y.Peer-Reviewed Original ResearchPeripheral bloodT cellsAlzheimer's diseaseEM CD8Memory CD8Gene signatureAge-related immune changesIL-7 receptor alphaEffector memory CD8Strong risk factorT cell expansionAD genesAge-associated expansionImmune changesRisk factorsCD8Dementia patientsIL-7RNeuropsychological testingReceptor alphaNeurocognitive functionRT-qPCR resultsDisease severityPatientsNormal personsP104: Heterogeneity of Response to methylphenidate in apathetic patients in the ADMET 2 Trial
Lanctôt K, Rivet L, Tumati S, Perin J, Vieira D, Rosenberg P, Herrmann N, Lerner A, Padala P, Brawman-Mintzer O, van Dyck C, Porsteinsson A, Craft S, Levey A, Mintzer J. P104: Heterogeneity of Response to methylphenidate in apathetic patients in the ADMET 2 Trial. International Psychogeriatrics 2023, 35: 125-126. DOI: 10.1017/s1041610223002557.Peer-Reviewed Original ResearchPotential predictors of treatment outcomePredictors of treatment outcomeResponse to methylphenidateClinically significant apathyAlzheimer's Disease Cooperative Study ActivitiesMedium effect sizeMonths of methylphenidateAlzheimer's diseaseNPI-aMethylphenidate treatmentSignificant apathyApathetic patientsBaseline anxietyAD participantsMethylphenidatePotential predictorsActivities of Daily Living ScaleCompared to placeboNeuropsychiatric symptomsIndex scoreDaily Living ScaleAlzheimer's Disease Cooperative Study Activities of Daily Living ScaleApathyEffect sizeLiving scaleChronic GCPII (glutamate‐carboxypeptidase‐II) inhibition reduces pT217Tau levels in the entorhinal and dorsolateral prefrontal cortices of aged macaques
Bathla S, Datta D, Liang F, Barthelemy N, Wiseman R, Slusher B, Asher J, Zeiss C, Ekanayake‐Alper D, Holden D, Terwilliger G, Duque A, Arellano J, van Dyck C, Bateman R, Xie Z, Nairn A, Arnsten A. Chronic GCPII (glutamate‐carboxypeptidase‐II) inhibition reduces pT217Tau levels in the entorhinal and dorsolateral prefrontal cortices of aged macaques. Alzheimer's & Dementia: Translational Research & Clinical Interventions 2023, 9: e12431. PMID: 37915375, PMCID: PMC10617575, DOI: 10.1002/trc2.12431.Peer-Reviewed Original ResearchSporadic Alzheimer's diseaseEntorhinal cortexGCPII inhibitionDorsolateral prefrontal cortexChronic inhibitionTau pathologyTau hyperphosphorylationAged macaquesType 3 metabotropic glutamate receptorAlzheimer's diseasePrefrontal cortexRhesus macaquesVehicle-treated monkeysAged rhesus macaquesMetabotropic glutamate receptorsApparent side effectsAmyloid beta 1Regulation of calciumGCPII inhibitorsKey etiological factorGCPII activityPrimate dlPFCNeuronal damageCSF analysisCalcium dysregulationLocalization of PDE4D, HCN1 channels, and mGluR3 in rhesus macaque entorhinal cortex may confer vulnerability in Alzheimer’s disease
Datta D, Perone I, Morozov Y, Arellano J, Duque A, Rakic P, van Dyck C, Arnsten A. Localization of PDE4D, HCN1 channels, and mGluR3 in rhesus macaque entorhinal cortex may confer vulnerability in Alzheimer’s disease. Cerebral Cortex 2023, 33: 11501-11516. PMID: 37874022, PMCID: PMC10724870, DOI: 10.1093/cercor/bhad382.Peer-Reviewed Original ResearchConceptsHCN1 channelsTau pathologyGlutamate synapsesEntorhinal cortexCalcium actionInternal calcium releaseEntorhinal cortex stellate cellsDorsolateral prefrontal cortexSusceptible neuronsInitial pathologySelective vulnerabilityEtiological factorsTau phosphorylationStellate cellsAlzheimer's diseaseSpecific neuronsCalcium releasePrefrontal cortexCortexSynapse strengthPathologyCalcium signalingCalbindinDiseaseNeuronsAssessment of Gray Matter Microstructure and Synaptic Density in Alzheimer's Disease: A Multimodal Imaging Study With DTI and SV2A PET
Silva-Rudberg J, Salardini E, O'Dell R, Chen M, Ra J, Georgelos J, Morehouse M, Melino K, Varma P, Toyonaga T, Nabulsi N, Huang Y, Carson R, van Dyck C, Mecca A. Assessment of Gray Matter Microstructure and Synaptic Density in Alzheimer's Disease: A Multimodal Imaging Study With DTI and SV2A PET. American Journal Of Geriatric Psychiatry 2023, 32: 17-28. PMID: 37673749, PMCID: PMC10840732, DOI: 10.1016/j.jagp.2023.08.002.Peer-Reviewed Original ResearchSynaptic densityAlzheimer's diseaseMean diffusivitySynaptic lossGray matter microstructureGray matter mean diffusivityDisease pathologyHippocampal synaptic densityMajor pathological correlateSetting of ADAD-related neuropathologySynaptic vesicle glycoprotein 2AHippocampal mean diffusivityAlzheimer's disease pathologyAmyloid-positive participantsMatter mean diffusivityPositron emission tomography (PET) imagingEmission Tomography ImagingGray matter structuresPathological correlatesPositive participantsInverse associationAD groupCognitive impairmentDiseaseTrial of Solanezumab in Preclinical Alzheimer’s Disease
Sperling R, Donohue M, Raman R, Rafii M, Johnson K, Masters C, van Dyck C, Iwatsubo T, Marshall G, Yaari R, Mancini M, Holdridge K, Case M, Sims J, Aisen P. Trial of Solanezumab in Preclinical Alzheimer’s Disease. New England Journal Of Medicine 2023, 389: 1096-1107. PMID: 37458272, PMCID: PMC10559996, DOI: 10.1056/nejmoa2305032.Peer-Reviewed Original ResearchConceptsAmyloid-related imaging abnormalitiesPreclinical Alzheimer's diseasePositron emission tomographyBrain amyloid levelsPlacebo groupAmyloid levelsAlzheimer's diseaseF-florbetapir positron emission tomographyGlobal Clinical Dementia Rating (CDR) scoreMini-Mental State ExaminationPrimary end pointClinical Dementia Rating scorePhase 3 trialPreclinical Alzheimer's cognitive composite scoresDementia Rating scoreYears of ageForms of amyloidBrain positron emission tomographyImaging abnormalitiesCognitive composite scoreMean ageFamily historyMean changePersons 65State ExaminationEffects of methylphenidate on neuropsychiatric symptoms in Alzheimer's disease: Evidence from the ADMET 2 study
Clark E, Perin J, Herrmann N, Brawman‐Mintzer O, Lanctôt K, Lerner A, Mintzer J, Padala P, Rosenberg P, Sami S, Shade D, van Dyck C, Porsteinsson A, Group F. Effects of methylphenidate on neuropsychiatric symptoms in Alzheimer's disease: Evidence from the ADMET 2 study. Alzheimer's & Dementia: Translational Research & Clinical Interventions 2023, 9: e12403. PMID: 37538343, PMCID: PMC10394740, DOI: 10.1002/trc2.12403.Peer-Reviewed Original ResearchNeuropsychiatric symptomsEffects of methylphenidateAlzheimer's diseaseSecondary analysisNeuropsychiatric Inventory scoresElation/euphoriaSymptoms of apathyIndividual neuropsychiatric symptomsPresentation of symptomsImpact of methylphenidateIndividual domain scoresAppetite/Catecholaminergic dysfunctionMonth 6Neuropsychiatric InventoryCaregiver scoresNPI domainsNew symptomsTreatment periodDomain scoresMeaningful improvementsMethylphenidateSymptomsPlaceboDisease