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Quantification of a...
Quantification of amyloid PET for future clinical use : a state-of-the-art review
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- Pemberton, Hugh G. (författare)
- University College London,GE Healthcare, UK
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- Collij, Lyduine E. (författare)
- Vrije Universiteit Amsterdam
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- Heeman, Fiona (författare)
- Vrije Universiteit Amsterdam
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- Bollack, Ariane (författare)
- University College London
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- Shekari, Mahnaz (författare)
- Pompeu Fabra University,Hospital del Mar Medical Research Institute
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- Salvadó, Gemma (författare)
- Lund University,Lunds universitet,Klinisk minnesforskning,Forskargrupper vid Lunds universitet,Clinical Memory Research,Lund University Research Groups,Pasqual Maragall Foundation for Research on Alzheimer
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- Alves, Isadora Lopes (författare)
- Vrije Universiteit Amsterdam
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- Garcia, David Vallez (författare)
- Vrije Universiteit Amsterdam
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- Battle, Mark (författare)
- Lund University,Lunds universitet,Klinisk minnesforskning,Forskargrupper vid Lunds universitet,Clinical Memory Research,Lund University Research Groups,GE Healthcare, UK
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- Buckley, Christopher (författare)
- GE Healthcare, UK
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Stephens, Andrew W. (författare)
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Bullich, Santiago (författare)
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- Garibotto, Valentina (författare)
- University of Geneva Medical School,Geneva University Hospital
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- Barkhof, Frederik (författare)
- University College London,Vrije Universiteit Amsterdam
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- Gispert, Juan Domingo (författare)
- Pompeu Fabra University,Hospital del Mar Medical Research Institute
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- Farrar, Gill (författare)
- GE Healthcare, UK
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(creator_code:org_t)
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- 2022-04-07
- 2022
- Engelska.
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Ingår i: European Journal of Nuclear Medicine and Molecular Imaging. - : Springer Science and Business Media LLC. - 1619-7070 .- 1619-7089. ; 49:10, s. 3508-3528
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Amyloid-β (Aβ) pathology is one of the earliest detectable brain changes in Alzheimer’s disease (AD) pathogenesis. The overall load and spatial distribution of brain Aβ can be determined in vivo using positron emission tomography (PET), for which three fluorine-18 labelled radiotracers have been approved for clinical use. In clinical practice, trained readers will categorise scans as either Aβ positive or negative, based on visual inspection. Diagnostic decisions are often based on these reads and patient selection for clinical trials is increasingly guided by amyloid status. However, tracer deposition in the grey matter as a function of amyloid load is an inherently continuous process, which is not sufficiently appreciated through binary cut-offs alone. State-of-the-art methods for amyloid PET quantification can generate tracer-independent measures of Aβ burden. Recent research has shown the ability of these quantitative measures to highlight pathological changes at the earliest stages of the AD continuum and generate more sensitive thresholds, as well as improving diagnostic confidence around established binary cut-offs. With the recent FDA approval of aducanumab and more candidate drugs on the horizon, early identification of amyloid burden using quantitative measures is critical for enrolling appropriate subjects to help establish the optimal window for therapeutic intervention and secondary prevention. In addition, quantitative amyloid measurements are used for treatment response monitoring in clinical trials. In clinical settings, large multi-centre studies have shown that amyloid PET results change both diagnosis and patient management and that quantification can accurately predict rates of cognitive decline. Whether these changes in management reflect an improvement in clinical outcomes is yet to be determined and further validation work is required to establish the utility of quantification for supporting treatment endpoint decisions. In this state-of-the-art review, several tools and measures available for amyloid PET quantification are summarised and discussed. Use of these methods is growing both clinically and in the research domain. Concurrently, there is a duty of care to the wider dementia community to increase visibility and understanding of these methods.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Neurologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Neurology (hsv//eng)
Nyckelord
- Alzheimer’s
- Amyloid
- Brain
- Centiloid
- Dementia
- PET
- Quantification
- SUVr
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Pemberton, Hugh ...
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Collij, Lyduine ...
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Heeman, Fiona
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Bollack, Ariane
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Shekari, Mahnaz
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Salvadó, Gemma
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visa fler...
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Alves, Isadora L ...
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Garcia, David Va ...
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Battle, Mark
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Buckley, Christo ...
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Stephens, Andrew ...
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Bullich, Santiag ...
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Garibotto, Valen ...
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Barkhof, Frederi ...
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Gispert, Juan Do ...
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Farrar, Gill
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