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Clinical validity o...
Clinical validity of increased cortical binding of tau ligands of the THK family and PBB3 on PET as biomarkers for Alzheimer’s disease in the context of a structured 5-phase development framework
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- Chiotis, Konstantinos (author)
- Karolinska Institutet,Karolinska Institute,Karolinska University Hospital
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- Dodich, Alessandra (author)
- University of Trento,University of Geneva
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- Boccardi, Marina (author)
- German Center for Neurodegenerative Diseases (DZNE), Bonn
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- Festari, Cristina (author)
- Centro San Giovanni di Dio Fatebenefratelli
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- Drzezga, Alexander (author)
- Jülich Research Centre,German Center for Neurodegenerative Diseases (DZNE), Bonn
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- Hansson, Oskar (author)
- Lund University,Lunds universitet,Klinisk minnesforskning,Forskargrupper vid Lunds universitet,Clinical Memory Research,Lund University Research Groups,Skåne University Hospital
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- Ossenkoppele, Rik (author)
- Lund University,Lunds universitet,Klinisk minnesforskning,Forskargrupper vid Lunds universitet,Clinical Memory Research,Lund University Research Groups,Vrije Universiteit Amsterdam
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- Frisoni, Giovanni (author)
- Geneva University Hospital,German Center for Neurodegenerative Diseases (DZNE), Bonn
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- Garibotto, Valentina (author)
- University of Geneva
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- Nordberg, Agneta (author)
- Karolinska Institutet,Karolinska Institute,Karolinska University Hospital
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(creator_code:org_t)
- 2021-03-15
- 2021
- English 11 s.
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In: European Journal of Nuclear Medicine and Molecular Imaging. - : Springer Science and Business Media LLC. - 1619-7070 .- 1619-7089. ; 48:7, s. 2086-2096
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Abstract
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- Purpose: The research community has focused on defining reliable biomarkers for the early detection of the pathological hallmarks of Alzheimer’s disease (AD). In 2017, the Geneva AD Biomarker Roadmap initiative adapted the framework for the systematic validation of oncological biomarkers to AD, with the aim to accelerate their development and implementation in clinical practice. The aim of this work was to assess the validation status of tau PET ligands of the THK family and PBB3 as imaging biomarkers for AD, based on the Biomarker Roadmap methodology. Methods: A panel of experts in AD biomarkers convened in November 2019 at a 2-day workshop in Geneva. The level of clinical validity of tau PET ligands of the THK family and PBB3 was assessed based on the 5-phase development framework before the meeting and discussed during the workshop. Results: PET radioligands of the THK family discriminate well between healthy controls and patients with AD dementia (phase 2; partly achieved) and recent evidence suggests an accurate diagnostic accuracy at the mild cognitive impairment (MCI) stage of the disease (phase 3; partly achieved). The phases 2 and 3 were considered not achieved for PBB3 since no evidence exists about the ligand’s diagnostic accuracy. Preliminary evidence exists about the secondary aims of each phase for all ligands. Conclusion: Much work remains for completing the aims of phases 2 and 3 and replicating the available evidence. However, it is unlikely that the validation process for these tracers will be completed, given the presence of off-target binding and the development of second-generation tracers with improved binding and pharmacokinetic properties.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Neurovetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Neurosciences (hsv//eng)
Keyword
- Alzheimer’s disease
- Biomarker-based diagnosis
- PBB3
- Strategic roadmap
- Tau PET
- THK
Publication and Content Type
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- ref (subject category)
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- By the author/editor
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Chiotis, Konstan ...
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Dodich, Alessand ...
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Boccardi, Marina
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Festari, Cristin ...
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Drzezga, Alexand ...
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Hansson, Oskar
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show more...
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Ossenkoppele, Ri ...
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Frisoni, Giovann ...
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Garibotto, Valen ...
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Nordberg, Agneta
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- About the subject
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Basic Medicine
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and Neurosciences
- Articles in the publication
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European Journal ...
- By the university
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Lund University
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Karolinska Institutet