2024
Adverse 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 visits
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 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 improvementsMethylphenidateSymptomsPlaceboDiseaseHeterogeneity of Response to Methylphenidate in Apathetic Patients in the ADMET 2 Trial
Lanctôt K, Rivet L, Tumati S, Perin J, Sankhe K, Vieira D, Mintzer J, Rosenberg P, Shade D, Lerner A, Padala P, Brawman-Mintzer O, van Dyck C, Porsteinsson A, Craft S, Levey A, Padala K, Herrmann N. Heterogeneity of Response to Methylphenidate in Apathetic Patients in the ADMET 2 Trial. American Journal Of Geriatric Psychiatry 2023, 31: 1077-1087. PMID: 37385898, PMCID: PMC10765607, DOI: 10.1016/j.jagp.2023.06.002.Peer-Reviewed Original ResearchConceptsDiastolic blood pressureBlood pressureClinical predictorsDisease patientsAlzheimer's Disease Cooperative Study-ActivitiesHg diastolic blood pressureOptimal diastolic blood pressureMulti-center clinical trialDaily Living ScaleYears of ageAlzheimer's disease patientsHeterogeneity of responseApathy domainApathetic patientsClinical trialsFunctional impairmentTreatment benefitSignificant apathyLiving ScaleImpaired functionBaseline anxietyCholinesterase inhibitorsMedium effect sizeMethylphenidatePotential predictorsCost consequence analysis of Apathy in Dementia Methylphenidate Trial 2 (ADMET 2).
Lanctôt K, Chen C, Mah E, Kiss A, Li A, Shade D, Scherer R, Vieira D, Coulibaly H, Rosenberg P, Lerner A, Padala P, Brawman-Mintzer O, van Dyck C, Porsteinsson A, Craft S, Levey A, Burke W, Mintzer J, Herrmann N. Cost consequence analysis of Apathy in Dementia Methylphenidate Trial 2 (ADMET 2). International Psychogeriatrics 2023, 35: 664-672. PMID: 37066690, PMCID: PMC10579450, DOI: 10.1017/s1041610223000327.Peer-Reviewed Original ResearchConceptsCost-consequence analysisTreatment of apathyFive-level questionnaireTrial 2Quality of lifeBinary logistic regressionPlacebo groupPlacebo treatmentMethylphenidate treatmentSignificant apathyHealth utilityResource utilization costsAlzheimer's diseaseLogistic regressionMethylphenidateTime interactionLevel questionnaireHealthcare systemCost predictorsMeasures analysisPatientsTreatmentDiseaseMonthsUtilization costsCorrelation 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 dementiaParticipantsAttentionCost 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
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