Tau epicenter identification and connectivity in clinically heterogeneous Alzheimer’s disease variants
Trainer A, Xu W, Chase A, O'Dell R, Tun S, Li J, Ju S, van Dyck C, Mecca A, Fredricks C. Tau epicenter identification and connectivity in clinically heterogeneous Alzheimer’s disease variants. Alzheimer's & Dementia 2023, 19 DOI: 10.1002/alz.079435.Peer-Reviewed Original ResearchAmnestic Alzheimer's diseaseLogopenic variant primary progressive aphasiaPosterior cortical atrophyFunctional connectivity mapsHigher tau burdenFunctional connectivityTau burdenAlzheimer's diseaseConnectivity mapsLongitudinal tau-PETSpread of tauVariant primary progressive aphasiaFusiform gyrusFrontal eye fieldPrimary progressive aphasiaBrains of participantsTau PET scansSuperior parietal lobulePatient-specific biomarkersCortical atrophyCommon subtypeTau-PETHealthy controlsParietooccipital cortexPET scansLongitudinal head-to-head comparison of 11C-PiB and 18F-florbetapir PET in a Phase 2/3 clinical trial of anti-amyloid-β monoclonal antibodies in dominantly inherited Alzheimer’s disease
Chen C, McCullough A, Gordon B, Joseph-Mathurin N, Flores S, McKay N, Hobbs D, Hornbeck R, Fagan A, Cruchaga C, Goate A, Perrin R, Wang G, Li Y, Shi X, Xiong C, Pontecorvo M, Klein G, Su Y, Klunk W, Jack C, Koeppe R, Snider B, Berman S, Roberson E, Brosch J, Surti G, Jiménez-Velázquez I, Galasko D, Honig L, Brooks W, Clarnette R, Wallon D, Dubois B, Pariente J, Pasquier F, Sanchez-Valle R, Shcherbinin S, Higgins I, Tunali I, Masters C, van Dyck C, Masellis M, Hsiung R, Gauthier S, Salloway S, Clifford D, Mills S, Supnet-Bell C, McDade E, Bateman R, Benzinger T. Longitudinal head-to-head comparison of 11C-PiB and 18F-florbetapir PET in a Phase 2/3 clinical trial of anti-amyloid-β monoclonal antibodies in dominantly inherited Alzheimer’s disease. European Journal Of Nuclear Medicine And Molecular Imaging 2023, 50: 2669-2682. PMID: 37017737, PMCID: PMC10330155, DOI: 10.1007/s00259-023-06209-0.Peer-Reviewed Original ResearchConceptsStandardized uptake value ratioPhase 2/3 clinical trialsPositron emission tomographyAnti-Aβ monoclonal antibodyClinical trialsPlacebo armDrug effectsLongitudinal changesMonoclonal antibodiesGlobal cortical standardized uptake value ratioHead comparisonCortical standardized uptake value ratioRegional standardized uptake value ratiosAβ positron emission tomographyAmyloid-β positron emission tomographyAlzheimer's disease clinical trialsPET imagingUptake value ratioAβ PET imagingSimulated clinical trialTwo-sample t-testDrug armPittsburgh CompoundPET scansWelch two sample t-test