2024
Commentary on “Study Partner Report of Apathy in Older Adults is Associated with AD Biomarkers: Findings from the Harvard Aging Brain Study”
Khasnavis S, O'Dell R, van Dyck C, Mecca A. Commentary on “Study Partner Report of Apathy in Older Adults is Associated with AD Biomarkers: Findings from the Harvard Aging Brain Study”. American Journal Of Geriatric Psychiatry 2024, 32: 920-921. PMID: 38658231, DOI: 10.1016/j.jagp.2024.03.017.Peer-Reviewed Original Research
2023
Blood‐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 ResearchP104: 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 scaleP105: Measuring clinically relevant change in apathy symptoms in ADMET 2
Tuma S, Herrmann N, Perin J, Rosenberg P, Lerner A, Padala P, Brawman-Mintzer O, van Dyck C, Porsteinsson A, CraG S, Levey A, Shade D, Mintzer J, Lanctôt K. P105: Measuring clinically relevant change in apathy symptoms in ADMET 2. International Psychogeriatrics 2023, 35: 126-127. DOI: 10.1017/s1041610223002569.Peer-Reviewed Original ResearchImpression of ChangeChange scoresMeasure clinically relevant changesNPI apathy scoreEffect sizeClinical impression of changeMinimal clinically significant improvementClinical Global Impression of ChangeSpearman correlationClinical Global ImpressionClinically significant improvementSix-month visitGlobal Impression of ChangePsychosocial interventionsClinically relevant changesApathy symptomsAssessment ScaleAssessment Change ScoreMann-Whitney U testComplete dataWorsened groupParticipantsApathyNo changeTreatment trialsCorrelation between changes in apathy and global cognition in apathetic associated with Alzheimer's disease: analysis of the Apathy Dementia Methylphenidate 2 (ADMET 2) clinical trial
Lanctôt K, Sankhe K, Perin J, Herrmann N, Brawman-Mintzer O, Lerner A, Mintzer J, Padala P, Rosenberg P, Shade D, van Dyck C, Porsteinsson A. Correlation between changes in apathy and global cognition in apathetic associated with Alzheimer's disease: analysis of the Apathy Dementia Methylphenidate 2 (ADMET 2) clinical trial. American Journal Of Geriatric Psychiatry 2023, 31: s100-s101. DOI: 10.1016/j.jagp.2022.12.146.Peer-Reviewed Original ResearchDigit Span BackwardMini-Mental Status ExaminationSelective attentionGlobal cognitionApathy scoresGreater cognitive declineExecutive functionDigit spanCognitive testsCognitionMethylphenidate groupApathy symptomsCognitive declineSignificant apathyMethylphenidateCognitive impairmentStatus ExaminationApathy subscaleMemoryChange scoresApathyDisease dementiaAlzheimer's disease dementiaParticipantsAttention
2022
Hypothalamic Functional Connectivity and Apathy in People with Alzheimer’s Disease and Cognitively Normal Healthy Controls
Chaudhary S, Zhornitsky S, Chao H, van Dyck C, Li C. Hypothalamic Functional Connectivity and Apathy in People with Alzheimer’s Disease and Cognitively Normal Healthy Controls. Journal Of Alzheimer's Disease 2022, 90: 1615-1628. PMID: 36314209, PMCID: PMC10064487, DOI: 10.3233/jad-220708.Peer-Reviewed Original ResearchConceptsMiddle temporal gyrusMild cognitive impairmentMotivation circuitsFunctional connectivityPath analysisWhole-brain regressionPCu/PCCState functional connectivityTotal scoreTemporal gyrusNeural markersCingulate cortexMemory dysfunctionRSFCHealthy controlsCognitive statusCognitive impairmentAlzheimer's diseaseApathyPrecuneusMemoryRsFCsDepressionScale total scoreCognitive subscores