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Sökning: WFRF:(Mattsson Tomas) > (2020-2024) > Diagnostic Performa...

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FältnamnIndikatorerMetadata
00007310naa a2200445 4500
001oai:lup.lub.lu.se:cd4ac07c-ad33-4bb8-949d-94c52e1cfe57
003SwePub
008200610s2020 | |||||||||||000 ||eng|
0247 a https://lup.lub.lu.se/record/cd4ac07c-ad33-4bb8-949d-94c52e1cfe572 URI
0247 a https://doi.org/10.1001/jamaneurol.2020.09892 DOI
040 a (SwePub)lu
041 a engb eng
042 9 SwePub
072 7a art2 swepub-publicationtype
072 7a ref2 swepub-contenttype
1001 a Leuzy, Antoineu Lund University,Lunds universitet,Klinisk minnesforskning,Forskargrupper vid Lunds universitet,Clinical Memory Research,Lund University Research Groups4 aut0 (Swepub:lu)an3415le
2451 0a Diagnostic Performance of RO948 F 18 Tau Positron Emission Tomography in the Differentiation of Alzheimer Disease from Other Neurodegenerative Disorders
264 1b American Medical Association (AMA),c 2020
300 a 11 s.
520 a Importance: The diagnostic performance of second-generation tau positron emission tomographic (PET) tracers is not yet known. Objective: To examine the novel tau PET tracer RO948 F 18 ([18F]RO948) performance in discriminating Alzheimer disease (AD) from non-AD neurodegenerative disorders. Design, Setting, and Participants: In this diagnostic study, 613 participants in the Swedish BioFINDER-2 study were consecutively enrolled in a prospective cross-sectional study from September 4, 2017, to August 28, 2019. Participants included 257 cognitively unimpaired controls, 154 patients with mild cognitive impairment, 100 patients with AD dementia, and 102 with non-AD neurodegenerative disorders. Evaluation included a comparison of tau PET tracer [18F]RO948 with magnetic resonance imaging (MRI) and cerebrospinal fluid and a head-to-head comparison between [18F]RO948 and flortaucipir F 18 ([18F]flortaucipir) in patients with semantic variant primary progressive aphasia (svPPA). Exposures: [18F]RO948 (all patients) and [18F]flortaucipir (3 patients with svPPA) tau PET; MRI (hippocampal volume, composite temporal lobe cortical thickness, whole-brain cortical thickness) and cerebrospinal fluid measures (p-tau181 and amyloid Aβ42 and Aβ40 ratio[Aβ42/Aβ40], and Aβ42/p-tau181 ratio). Main Outcomes and Measures: Standard uptake value ratios (SUVRs) in 4 predefined regions of interest (ROIs) reflecting Braak staging scheme for tau pathology and encompass I-II (entorhinal cortex), III-IV (inferior/middle temporal, fusiform gyrus, parahippocampal cortex, and amygdala), I-IV, and V-VI (widespread neocortical areas), area under the receiver operating characteristic curve (AUC) values, and subtraction images between [18F]RO948 and [18F]flortaucipir. Results: Diagnostic groups among the 613 participants included cognitively unimpaired (mean [SD] age, 65.8 [12.1] years; 117 men [46%]), mild cognitive impairment (age, 70.8 [8.3] years; 82 men [53%]), AD dementia (age, 73.5 [6.7] years; 57 men [57%]), and non-AD disorders (age, 70.5 [8.6] years; 41 men [40%]). Retention of [18F]RO948 was higher in AD dementia compared with all other diagnostic groups. [18F]RO948 could distinguish patients with AD dementia from individuals without cognitive impairment and those with non-AD disorders, and the highest AUC was obtained using the I-IV ROI (AUC = 0.98; 95% CI, 0.96-0.99 for AD vs no cognitive impairment and AUC = 0.97; 95% CI, 0.95-0.99 for AD vs non-AD disorders), which outperformed MRI (highest AUC = 0.91 for AD vs no cognitive impairment using whole-brain thickness, and AUC = 0.80 for AD vs non-AD disorders using temporal lobe thickness) and cerebrospinal fluid measures (highest AUC = 0.94 for AD vs no cognitive impairment using Aβ42/p-tau181, and AUC = 0.93 for AD vs non-AD disorders using Aβ42/Aβ40). Generally, tau PET positivity using [18F]RO948 was observed only in Aβ-positive cases or in MAPT R406W mutation carriers. Retention of [18F]RO948 was not pronounced in patients with svPPA, and head-to-head comparison revealed lower temporal lobe uptake than with [18F]flortaucipir. Conclusions and Relevance: In this study, elevated [18F]RO948 SUVRs were most often seen among Aβ-positive cases, which suggests that [18F]RO948 has high specificity for AD-type tau and highlights its potential as a diagnostic marker in the differential diagnosis of AD.
650 7a MEDICIN OCH HÄLSOVETENSKAPx Klinisk medicinx Neurologi0 (SwePub)302072 hsv//swe
650 7a MEDICAL AND HEALTH SCIENCESx Clinical Medicinex Neurology0 (SwePub)302072 hsv//eng
7001 a Smith, Rubenu Lund University,Lunds universitet,Klinisk minnesforskning,Forskargrupper vid Lunds universitet,Clinical Memory Research,Lund University Research Groups,Skåne University Hospital4 aut0 (Swepub:lu)mphy-rsm
7001 a Ossenkoppele, Riku Lund University,Lunds universitet,Klinisk minnesforskning,Forskargrupper vid Lunds universitet,Clinical Memory Research,Lund University Research Groups,Academic Medical Center of University of Amsterdam (AMC)4 aut0 (Swepub:lu)ri1513os
7001 a Santillo, Alexanderu Lund University,Lunds universitet,Skåne University Hospital4 aut0 (Swepub:lu)med-ast
7001 a Borroni, Ediliou F. Hoffmann-La Roche AG4 aut
7001 a Klein, Gregoryu F. Hoffmann-La Roche AG4 aut
7001 a Ohlsson, Tomasu Skåne University Hospital4 aut
7001 a Jögi, Jonasu Skåne University Hospital4 aut0 (Swepub:lu)klin-jjo
7001 a Palmqvist, Sebastianu Lund University,Lunds universitet,Klinisk minnesforskning,Forskargrupper vid Lunds universitet,Clinical Memory Research,Lund University Research Groups,Skåne University Hospital4 aut0 (Swepub:lu)med-spa
7001 a Mattsson-Carlgren, Niklasu Lund University,Lunds universitet,Klinisk minnesforskning,Forskargrupper vid Lunds universitet,WCMM- Wallenberg center för molekylär medicinsk forskning,Medicinska fakulteten,Clinical Memory Research,Lund University Research Groups,WCMM-Wallenberg Centre for Molecular Medicine,Faculty of Medicine,Skåne University Hospital4 aut0 (Swepub:lu)med-nmn
7001 a Strandberg, Olofu Lund University,Lunds universitet,Klinisk minnesforskning,Forskargrupper vid Lunds universitet,Clinical Memory Research,Lund University Research Groups4 aut0 (Swepub:lu)teor-osn
7001 a Stomrud, Eriku Lund University,Lunds universitet,Klinisk minnesforskning,Forskargrupper vid Lunds universitet,Clinical Memory Research,Lund University Research Groups,Skåne University Hospital4 aut0 (Swepub:lu)med-esr
7001 a Hansson, Oskaru Lund University,Lunds universitet,Klinisk minnesforskning,Forskargrupper vid Lunds universitet,Clinical Memory Research,Lund University Research Groups,Skåne University Hospital4 aut0 (Swepub:lu)mphy-ohn
7102 a Klinisk minnesforskningb Forskargrupper vid Lunds universitet4 org
7730 t JAMA Neurologyd : American Medical Association (AMA)g 77:8, s. 955-965q 77:8<955-965x 2168-6149
8564 u http://dx.doi.org/10.1001/jamaneurol.2020.0989x freey FULLTEXT
8564 u https://jamanetwork.com/journals/jamaneurology/articlepdf/2765841/jamaneurology_leuzy_2020_oi_200021_1596744478.06984.pdf
8564 8u https://lup.lub.lu.se/record/cd4ac07c-ad33-4bb8-949d-94c52e1cfe57
8564 8u https://doi.org/10.1001/jamaneurol.2020.0989

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