2023
P104: 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 scaleEffects 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 improvementsMethylphenidateSymptomsPlaceboDiseaseCost Consequence Analysis of ADMET 2
Mah E, Lanctôt K, Chen Q, Shade D, Scherer R, Vieira D, Coulibaly H, Rosenberg P, Lerner A, Padala P, Brawman-Mintzer O, van Dyck C, Porsteinsson A, Mintzer J, Herrmann N. Cost Consequence Analysis of ADMET 2. American Journal Of Geriatric Psychiatry 2023, 31: s101. DOI: 10.1016/j.jagp.2022.12.147.Peer-Reviewed Original ResearchCost-consequence analysisHealth utilityPlacebo groupMethylphenidate treatmentEuroQol-five dimensions-five levelsAlzheimer's diseaseHealth statesCommon neuropsychiatric symptomsHealth utility scoresQuality of lifeBinary logistic regressionApathy treatmentBaseline demographicsDifferent time pointsPreference-based measuresMethylphenidate groupNeuropsychiatric symptomsClinical trialsEQ-5DSignificant apathyPatientsUtility scoresBetter health stateLogistic regressionMethylphenidate
2022
Heterogeneity of response to methylphenidate in apathetic patients in the ADMET 2 Trial
Lanctôt K, Perin J, Vieira D, Rosenberg P, Herrmann N, Shade D, Lerner A, Padala P, Brawman‐Mintzer O, van Dyck C, Porsteinsson A, Craft S, Levey A, Mintzer J. Heterogeneity of response to methylphenidate in apathetic patients in the ADMET 2 Trial. Alzheimer's & Dementia 2022, 18 DOI: 10.1002/alz.066932.Peer-Reviewed Original ResearchHeterogeneity of responseAlzheimer's diseaseAD patientsBaseline anxietyPlacebo-controlled clinical trialApathetic AD patientsDaily Living ScaleCommon neuropsychiatric symptomsLow functional capacityLower functional capabilityNPI apathy scoreLower baseline anxietyAD medicationsDifference of changesNeuropsychiatric InventoryNeuropsychiatric symptomsApathetic patientsClinical trialsMonth visitTreatment outcomesEffect differencesSignificant apathyLiving ScaleApathy scoresFunctional capacity
2021
Apathy in Dementia Methylphenidate Trial 2 (ADMET2): Results of a phase III, placebo‐controlled, double‐blind, 6‐month, multi‐center, randomized clinical trial
Mintzer J, Scherer R, Drye L, Lanctôt K, Rosenberg P, Herrmann N, Padala P, Brawman‐Mintzer O, Lerner A, Levey A, Porsteinsson A, van Dyck C. Apathy in Dementia Methylphenidate Trial 2 (ADMET2): Results of a phase III, placebo‐controlled, double‐blind, 6‐month, multi‐center, randomized clinical trial. Alzheimer's & Dementia 2021, 17 DOI: 10.1002/alz.051489.Peer-Reviewed Original ResearchAlzheimer's diseasePlacebo groupMethylphenidate groupClinical trialsAD Cooperative Study-Clinical Global ImpressionPhase IIITreatment of apathyClinical Global ImpressionRatings of improvementADCS-CGICAdverse eventsSecondary outcomesMonth 6Primary outcomeNeuropsychiatric symptomsSafety profileGlobal ImpressionSmall studyViable treatmentStudy participantsMean differenceMonthsMethylphenidatePrevious trialsTrials
2020
Neurobiologic Rationale for Treatment of Apathy in Alzheimer's Disease With Methylphenidate
van Dyck CH, Arnsten AFT, Padala PR, Brawman-Mintzer O, Lerner AJ, Porsteinsson AP, Scherer RW, Levey AI, Herrmann N, Jamil N, Mintzer JE, Lanctôt KL, Rosenberg PB. Neurobiologic Rationale for Treatment of Apathy in Alzheimer's Disease With Methylphenidate. American Journal Of Geriatric Psychiatry 2020, 29: 51-62. PMID: 32461027, PMCID: PMC7641967, DOI: 10.1016/j.jagp.2020.04.026.Peer-Reviewed Original ResearchConceptsTreatment of apathyAlzheimer's diseaseCortical-basal ganglia circuitsPrefrontal cortexMotivated behaviorPublic health burdenSymptoms of apathyCatecholaminergic treatmentNeurobiologic rationaleNeuropsychiatric symptomsDopamine actionGanglia circuitsHealth burdenThalamocortical circuitsCognitive symptomsMethylphenidate actionsCatecholamine actionNeuronal circuitsSymptomsDiseaseApathetic behaviorTreatmentInitial trialMethylphenidateAD results