2024
A multicenter, randomized, double-blind, placebo-controlled ascending dose study to evaluate the safety, tolerability, pharmacokinetics (PK) and pharmacodynamic (PD) effects of Posiphen in subjects with early Alzheimer’s Disease
Galasko D, Farlow M, Lucey B, Honig L, Elbert D, Bateman R, Momper J, Thomas R, Rissman R, Pa J, Aslanyan V, Balasubramanian A, West T, Maccecchini M, Feldman H. A multicenter, randomized, double-blind, placebo-controlled ascending dose study to evaluate the safety, tolerability, pharmacokinetics (PK) and pharmacodynamic (PD) effects of Posiphen in subjects with early Alzheimer’s Disease. Alzheimer's Research & Therapy 2024, 16: 151. PMID: 38970127, PMCID: PMC11225352, DOI: 10.1186/s13195-024-01490-z.Peer-Reviewed Original ResearchConceptsOrally administered small moleculeFractional synthesis rateAscending dose studyDose-dependent loweringIRB-approved protocolEarly ADMini-Mental State ExamDose-dependent effectAlzheimer's diseaseBlood patchDouble-blindWell-toleratedCatheter placementPreclinical modelsLumbar punctureDose studyIntravenous infusionMild cognitive impairmentEvaluate safetyPlacebo participantsCognitive measuresStable isotope labeling kineticsActive drugClinical trialsADAS-Cog12
2023
A Phase 2a proof‐of‐concept double‐blind, randomized, placebo‐controlled trial of nicotinamide in early Alzheimer’s disease
Grill J, Tam S, Thai G, Pierce A, Green K, Gillen D, Teng E, Kremen S, Beigi M, Rissman R, Leger G, Zhang J, Jin S, Messer K, Feldman H. A Phase 2a proof‐of‐concept double‐blind, randomized, placebo‐controlled trial of nicotinamide in early Alzheimer’s disease. Alzheimer's & Dementia 2023, 19 DOI: 10.1002/alz.077979.Peer-Reviewed Original ResearchPhase 2a proofP-Tau 181Placebo armTotal tauCDR-SBEarly ADAmyloid beta 40Placebo-controlled trialCerebrospinal fluid levelsEarly Alzheimer's diseaseAlzheimer's disease biomarkersDisease biomarkersPhosphorylation of tauClass III histoneSecondary outcomesAdverse eventsClinical characteristicsPrimary outcomeADCS-ADLStudy armsTreatment initiationCSF biomarkersADAS-Cog13Biomarker outcomesMean change