2023
Heterogeneity 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 predictors
2017
Cholinergic activity and levodopa‐induced dyskinesia: a multitracer molecular imaging study
Brumberg J, Küsters S, Al‐Momani E, Marotta G, Cosgrove KP, van Dyck C, Herrmann K, Homola GA, Pezzoli G, Buck AK, Volkmann J, Samnick S, Isaias IU. Cholinergic activity and levodopa‐induced dyskinesia: a multitracer molecular imaging study. Annals Of Clinical And Translational Neurology 2017, 4: 632-639. PMID: 28904985, PMCID: PMC5590520, DOI: 10.1002/acn3.438.Peer-Reviewed Original ResearchLevodopa-induced dyskinesiaNicotinic acetylcholine receptorsSingle photon emissionNondyskinetic patientsDisease patientsCholinergic activityHealthy controlsAcetylcholine receptorsRegional cerebral metabolic activityDeoxyglucose positron emission tomographyExpression of dyskinesiaCerebral metabolic activityStriatal cholinergic activityParkinson's disease patientsBasal ganglia structuresStriatal binding potentialPositron emission tomographyDopaminergic responsivenessAffected sideClinical variablesDyskinetic subjectsCholinergic signalingGanglia structuresMolecular imaging studiesNeuronal excitability