The economic burden of subjective cognitive decline, mild cognitive impairment and Alzheimer's dementia: excess costs and associated clinical and risk factors

Abstract Background With the availability of first disease-modifying treatments, evidence on costs across the entire Alzheimer's Continuum, especially for early disease stages, becomes increasingly important to inform healthcare planning, resource allocation, and policy decisions. This study as...

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Main Authors: Eva Gläser, Ingo Kilimann, Moritz Platen, Wolfgang Hoffmann, Frederic Brosseron, Katharina Buerger, Marie Coenjaerts, Emrah Düzel, Michael Ewers, Klaus Fliessbach, Ingo Frommann, Maria Gemenetzi, Wenzel Glanz, Julian Hellmann-Regen, Enise I. Incesoy, Daniel Janowitz, Frank Jessen, Oliver Peters, Josef Priller, Alfredo Ramirez, Anja Schneider, Annika Spottke, Eike Jakob Spruth, Stefan Teipel, Michael Wagner, Bernhard Michalowsky
Format: Article
Language:English
Published: BMC 2025-06-01
Series:Alzheimer’s Research & Therapy
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Online Access:https://doi.org/10.1186/s13195-025-01785-9
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author Eva Gläser
Ingo Kilimann
Moritz Platen
Wolfgang Hoffmann
Frederic Brosseron
Katharina Buerger
Marie Coenjaerts
Emrah Düzel
Michael Ewers
Klaus Fliessbach
Ingo Frommann
Maria Gemenetzi
Wenzel Glanz
Julian Hellmann-Regen
Enise I. Incesoy
Daniel Janowitz
Frank Jessen
Oliver Peters
Josef Priller
Alfredo Ramirez
Anja Schneider
Annika Spottke
Eike Jakob Spruth
Stefan Teipel
Michael Wagner
Bernhard Michalowsky
author_facet Eva Gläser
Ingo Kilimann
Moritz Platen
Wolfgang Hoffmann
Frederic Brosseron
Katharina Buerger
Marie Coenjaerts
Emrah Düzel
Michael Ewers
Klaus Fliessbach
Ingo Frommann
Maria Gemenetzi
Wenzel Glanz
Julian Hellmann-Regen
Enise I. Incesoy
Daniel Janowitz
Frank Jessen
Oliver Peters
Josef Priller
Alfredo Ramirez
Anja Schneider
Annika Spottke
Eike Jakob Spruth
Stefan Teipel
Michael Wagner
Bernhard Michalowsky
author_sort Eva Gläser
collection DOAJ
description Abstract Background With the availability of first disease-modifying treatments, evidence on costs across the entire Alzheimer's Continuum, especially for early disease stages, becomes increasingly important to inform healthcare planning, resource allocation, and policy decisions. This study assessed costs and cost-associated factors in patients with subjective cognitive decline (SCD), mild cognitive impairment (MCI) and Alzheimer's Disease (AD) dementia compared to healthy controls. Methods The German DELCODE cohort study assessed clinical data, healthcare resource use, and informal care provision. Costs were calculated from payer and societal perspectives using standardized unit costs, and multivariate regression analyses identified cost-associated factors. Results From a payer perspective, costs were elevated by 26% for SCD (adjusted mean 5,976€ [95%CI 4,598-7,355€]), 85% for MCI (8,795€ [6,200-11,391€]) and 36% for AD (6,454€ [2,796-10,111€]) compared to controls (4,754€ [3,586-5,922€]). Societal costs were elevated by 52% for SCD (adjusted mean 8,377€ [95%CI 6,009-10,746€]), 170% for MCI (14,886€ [9,524-20,248€]) and 307% for AD (22,481€ [9,994-34,969€]) compared to controls (5,522€ [3,814-7,230€]). APOE e4 negative patients showed higher costs compared to APOE e4 positive patients. Hypertension was associated with higher costs. Conclusions Healthcare costs are already elevated in early subjective and objective cognitive impairment, driven by formal and informal care. The study emphasizes the importance of early interventions to reduce the economic burden and delay progression.
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spelling doaj-art-2a82b836bf894c84912e6abd6c4c25ed2025-08-20T02:37:58ZengBMCAlzheimer’s Research & Therapy1758-91932025-06-0117111310.1186/s13195-025-01785-9The economic burden of subjective cognitive decline, mild cognitive impairment and Alzheimer's dementia: excess costs and associated clinical and risk factorsEva Gläser0Ingo Kilimann1Moritz Platen2Wolfgang Hoffmann3Frederic Brosseron4Katharina Buerger5Marie Coenjaerts6Emrah Düzel7Michael Ewers8Klaus Fliessbach9Ingo Frommann10Maria Gemenetzi11Wenzel Glanz12Julian Hellmann-Regen13Enise I. Incesoy14Daniel Janowitz15Frank Jessen16Oliver Peters17Josef Priller18Alfredo Ramirez19Anja Schneider20Annika Spottke21Eike Jakob Spruth22Stefan Teipel23Michael Wagner24Bernhard Michalowsky25German Center for Neurodegenerative Diseases (DZNE) Rostock/Greifswald, Site GreifswaldGerman Center for Neurodegenerative Diseases (DZNE) Rostock/GreifswaldGerman Center for Neurodegenerative Diseases (DZNE) Rostock/Greifswald, Site GreifswaldGerman Center for Neurodegenerative Diseases (DZNE) Rostock/Greifswald, Site GreifswaldGerman Center for Neurodegenerative Diseases (DZNE)German Center for Neurodegenerative Diseases (DZNE, Munich)German Center for Neurodegenerative Diseases (DZNE)German Center for Neurodegenerative Diseases (DZNE)German Center for Neurodegenerative Diseases (DZNE, Munich)German Center for Neurodegenerative Diseases (DZNE)German Center for Neurodegenerative Diseases (DZNE)German Center for Neurodegenerative Diseases (DZNE)German Center for Neurodegenerative Diseases (DZNE)German Center for Neurodegenerative Diseases (DZNE)German Center for Neurodegenerative Diseases (DZNE)Institute for Stroke and Dementia Research (ISD), University Hospital, LMU MunichGerman Center for Neurodegenerative Diseases (DZNE)German Center for Neurodegenerative Diseases (DZNE)German Center for Neurodegenerative Diseases (DZNE)German Center for Neurodegenerative Diseases (DZNE)German Center for Neurodegenerative Diseases (DZNE)German Center for Neurodegenerative Diseases (DZNE)German Center for Neurodegenerative Diseases (DZNE)German Center for Neurodegenerative Diseases (DZNE) Rostock/GreifswaldGerman Center for Neurodegenerative Diseases (DZNE)German Center for Neurodegenerative Diseases (DZNE) Rostock/Greifswald, Site GreifswaldAbstract Background With the availability of first disease-modifying treatments, evidence on costs across the entire Alzheimer's Continuum, especially for early disease stages, becomes increasingly important to inform healthcare planning, resource allocation, and policy decisions. This study assessed costs and cost-associated factors in patients with subjective cognitive decline (SCD), mild cognitive impairment (MCI) and Alzheimer's Disease (AD) dementia compared to healthy controls. Methods The German DELCODE cohort study assessed clinical data, healthcare resource use, and informal care provision. Costs were calculated from payer and societal perspectives using standardized unit costs, and multivariate regression analyses identified cost-associated factors. Results From a payer perspective, costs were elevated by 26% for SCD (adjusted mean 5,976€ [95%CI 4,598-7,355€]), 85% for MCI (8,795€ [6,200-11,391€]) and 36% for AD (6,454€ [2,796-10,111€]) compared to controls (4,754€ [3,586-5,922€]). Societal costs were elevated by 52% for SCD (adjusted mean 8,377€ [95%CI 6,009-10,746€]), 170% for MCI (14,886€ [9,524-20,248€]) and 307% for AD (22,481€ [9,994-34,969€]) compared to controls (5,522€ [3,814-7,230€]). APOE e4 negative patients showed higher costs compared to APOE e4 positive patients. Hypertension was associated with higher costs. Conclusions Healthcare costs are already elevated in early subjective and objective cognitive impairment, driven by formal and informal care. The study emphasizes the importance of early interventions to reduce the economic burden and delay progression.https://doi.org/10.1186/s13195-025-01785-9DementiaCognitionSubjective cognitive declineMild cognitive impairmentAlzheimer’s diseaseApolipoprotein E
spellingShingle Eva Gläser
Ingo Kilimann
Moritz Platen
Wolfgang Hoffmann
Frederic Brosseron
Katharina Buerger
Marie Coenjaerts
Emrah Düzel
Michael Ewers
Klaus Fliessbach
Ingo Frommann
Maria Gemenetzi
Wenzel Glanz
Julian Hellmann-Regen
Enise I. Incesoy
Daniel Janowitz
Frank Jessen
Oliver Peters
Josef Priller
Alfredo Ramirez
Anja Schneider
Annika Spottke
Eike Jakob Spruth
Stefan Teipel
Michael Wagner
Bernhard Michalowsky
The economic burden of subjective cognitive decline, mild cognitive impairment and Alzheimer's dementia: excess costs and associated clinical and risk factors
Alzheimer’s Research & Therapy
Dementia
Cognition
Subjective cognitive decline
Mild cognitive impairment
Alzheimer’s disease
Apolipoprotein E
title The economic burden of subjective cognitive decline, mild cognitive impairment and Alzheimer's dementia: excess costs and associated clinical and risk factors
title_full The economic burden of subjective cognitive decline, mild cognitive impairment and Alzheimer's dementia: excess costs and associated clinical and risk factors
title_fullStr The economic burden of subjective cognitive decline, mild cognitive impairment and Alzheimer's dementia: excess costs and associated clinical and risk factors
title_full_unstemmed The economic burden of subjective cognitive decline, mild cognitive impairment and Alzheimer's dementia: excess costs and associated clinical and risk factors
title_short The economic burden of subjective cognitive decline, mild cognitive impairment and Alzheimer's dementia: excess costs and associated clinical and risk factors
title_sort economic burden of subjective cognitive decline mild cognitive impairment and alzheimer s dementia excess costs and associated clinical and risk factors
topic Dementia
Cognition
Subjective cognitive decline
Mild cognitive impairment
Alzheimer’s disease
Apolipoprotein E
url https://doi.org/10.1186/s13195-025-01785-9
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