2018
Guanfacine treatment for prefrontal cognitive dysfunction in older participants: a randomized clinical trial
Barcelos NM, Van Ness PH, Wagner AF, MacAvoy MG, Mecca AP, Anderson GM, Trentalange M, Hawkins KA, Sano M, Arnsten AFT, van Dyck CH. Guanfacine treatment for prefrontal cognitive dysfunction in older participants: a randomized clinical trial. Neurobiology Of Aging 2018, 70: 117-124. PMID: 30007160, PMCID: PMC6503670, DOI: 10.1016/j.neurobiolaging.2018.05.033.Peer-Reviewed Original ResearchConceptsDose of guanfacineQuality of lifeZ-scoreCognitive functionPrefrontal cognitive dysfunctionCommon adverse eventsPrimary outcome measureRandomized clinical trialsGlobal functionOlder participantsHealthy older participantsPrefrontal cognitive functionDry mouthAdverse eventsAgonist guanfacineClinical trialsGuanfacine treatmentCognitive dysfunctionMean changeOutcome measuresPlaceboGuanfacineOlder individualsWeeksDose
2000
Estrogen Replacement Therapy for Treatment of Mild to Moderate Alzheimer Disease: A Randomized Controlled Trial
Mulnard R, Cotman C, Kawas C, van Dyck C, Sano M, Doody R, Koss E, Pfeiffer E, Jin S, Gamst A, Grundman M, Thomas R, Study L. Estrogen Replacement Therapy for Treatment of Mild to Moderate Alzheimer Disease: A Randomized Controlled Trial. Obstetrical & Gynecological Survey 2000, 55: 439-440. DOI: 10.1097/00006254-200007000-00021.Peer-Reviewed Original ResearchMini-Mental State ExaminationCognitive functionAlzheimer's diseaseMultiple Affect Adjective ChecklistMeasures of moodMMSE scoresSingle-blind placebo washout phaseVerbal learningLanguage measuresClinical Dementia Rating ScaleCategory fluencyPlacebo washout phaseDouble-blind trialLow-dose estrogenConjugated equine estrogensEstrogen replacement therapyDementia Rating ScaleTreatment of mildClinical Global ImpressionPrimary outcome measureHamilton Depression ScaleAdjective ChecklistModerate Alzheimer's diseaseOnset of diseaseGlobal functioning
1997
The effects of 5-HT3 receptor antagonists on cognitive performance in aged monkeys
Arnsten A, Lin C, Van Dyck C, Stanhope K. The effects of 5-HT3 receptor antagonists on cognitive performance in aged monkeys. Neurobiology Of Aging 1997, 18: 21-28. PMID: 8983029, DOI: 10.1016/s0197-4580(96)00162-5.Peer-Reviewed Original ResearchConceptsVisual object discriminationObject discriminationFine motor tasksMotor tasksCognitive-enhancing effectsMemory taskResponse taskCognitive performanceReceptor antagonistEnhanced acquisitionCognitive functionReliable improvementMarmoset researchAged monkeysTaskReversal conditionsWide dose rangeDiscriminationSide effectsLow dosesRhesus monkeysDose rangeAntagonistAcquisitionMonkeys
1992
Peptide T Treatment of Cognitive Impairment in HIV‐Positive Intravenous Drug Users
Rosen M, Bridge T, O'Malley S, Pearsall H, Martini B, O'Connor P, Brett‐Smith H, Thomas H, Van Dyck C, Woods S, Kosten T. Peptide T Treatment of Cognitive Impairment in HIV‐Positive Intravenous Drug Users. American Journal On Addictions 1992, 1: 332-338. DOI: 10.1111/j.1521-0391.1992.tb00359.x.Peer-Reviewed Original ResearchHIV-positive intravenous drug usersDouble-blind crossover studyPeptide T treatmentHIV-positive patientsPeptide TOpen clinical trialIntravenous drug usersVasoactive intestinal peptideAIDS dementiaCrossover studyNeuropsychological improvementAZT treatmentIntestinal peptideClinical trialsDrug usersCognitive impairmentPatientsNeuropsychological functionCognitive functionT treatmentPlaceboThree timesWeeksPotential utilityTreatment