Observational studyAlzheimer's & dementia : the journal of the Alzheimer's Association2025
Amyloid PET and clinical management in a diverse, cognitively impaired population: The New IDEAS Study.
Observational study in Alzheimer's & dementia : the journal of the Alzheimer's Association, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04426539 (New IDEAS), which is not on this map. Cited by 6 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
New IDEAS: Imaging Dementia-Evidence for Amyloid Scanning Study - A Study to Improve Precision in Amyloid PET Coverage and Patient Care
Who cites it
6 citing papers in PubMed.
- Differences in amyloid PET positivity based on ethnoracial group and social determinants of health: The new IDEAS study.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026Article
- System changes to empower primary care in Alzheimer's disease detection and care.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026Article
- CSF microtubule-associated protein 1 light chain 3A and 3B levels are associated with tau pathology and Alzheimer's disease risk through amyloid deposition and microglial signaling.Journal of neuroinflammation · 2026Article
- PET Imaging in Alzheimer Disease in the Era of Antiamyloid Therapy in the United States: Clinical Utility, Quantification, and Policy Landscape.Journal of nuclear medicine technology · 2026Review
- Amyloid PET and clinical management in a diverse, cognitively impaired population: The New IDEAS Study.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025Observational
- Study of the utility and impact of a plasma p-tau181 Alzheimer's biomarker (SUITABLE).Alzheimer's & dementia (New York, N. Y.)Article
Corrections and comments
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Authors and funding
19 authors.
Funding
Abstract
introductionThe New Imaging Dementia-Evidence for Amyloid Scanning (IDEAS) study (NCT04426539) evaluated the association between amyloid positron emission tomography (PET) and changes in clinical management among ethnoracially diverse, clinically heterogeneous patients.
methodsWe assessed diagnosis and management plan before and 90 ± 30 days after amyloid PET among Medicare beneficiaries who met 2018 National Institute on Aging-Alzheimer's Association criteria for mild cognitive impairment (MCI) or dementia. We aimed to identify ≥ 30% change in a composite patient management endpoint (CPME; i.e., changes in Alzheimer's disease [AD]/non-AD medications, changes in counseling).
resultsAmong 5757 participants (median age 75 years; 21.7% Black, 20.3% Latinx, 58.1% all other races/ethnicities [AORE]), a change in CPME occurred in 59.0% (95% confidence interval 57.6%-60.5%) of individuals post PET. Change varied by ethnoracial identity and type of clinical presentation: Black (MCI: 55.3%, dementia: 55.8%), Latinx (MCI: 53.7%, dementia: 61.9%), AORE (MCI: 62.0%, dementia: 58.3%), typical (MCI: 64.8%, dementia: 60.9%), atypical (MCI 45.5%, dementia: 53.6%). DISCUSSION: Amyloid PET is associated with clinical management among diverse, clinically heterogeneous populations. HIGHLIGHTS: Changes in management plan occurred in 59% of patients 90 days after amyloid positron emission tomography. Rates of change in management exceeded the pre-specified goal of > 30% across ethnoracial groups. Rates of change in management also exceeded > 30% among amnestic and non-amnestic Alzheimer's disease presentations.
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