Evidence map›Paper›PMID 42765834›Full record

ArticleJournal of Parkinson's disease2026

Cognition endpoints for Parkinson's disease: A roadmap for developing patient-focused assessment tools to accelerate drug development.

Chris J Edgar, Kathleen L Poston, Cheryl D Coon, Fraser D Bocell, Tien Dam, Yuge Xiao, Catherine M Kopil, Tanya Simuni, Daniel Weintraub, Morel Thomas

Abstract read
In one paragraph

Article in Journal of Parkinson's disease, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

Chris J EdgarPCOA Associates Ltd, Reading, UK.ORCID 0000-0002-5638-9188
Kathleen L PostonDepartment of Neurology and Neurological Sciences, Stanford University, Stanford, CA, USA.
Cheryl D CoonCritical Path Institute, Tucson, AZ, USA.ORCID 0000-0003-1585-2786
Fraser D BocellCritical Path Institute, Tucson, AZ, USA.ORCID 0000-0002-2943-2662
Tien DamBrenig Therapeutics, Dover, DE, USA.
Yuge XiaoThe Michael J. Fox Foundation for Parkinson's Research, New York, NY, USA.ORCID 0009-0003-0382-8014
Catherine M KopilThe Michael J. Fox Foundation for Parkinson's Research, New York, NY, USA.ORCID 0000-0001-8678-7550
Tanya SimuniDepartment of Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.ORCID 0000-0002-2347-1644
Daniel WeintraubDepartment of Psychiatry, University of Pennsylvania, Philadelphia, PA, USA.ORCID 0000-0003-0633-7168
Morel ThomasUCB, Bulle, Switzerland.ORCID 0000-0002-0690-5359

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Cognitive dysfunction is a prevalent and impactful feature of Parkinson's disease (PD), with substantial heterogeneity in onset, severity, and progression, and a high lifetime risk of dementia. Despite its clinical importance, effective treatments and fit-for-purpose outcome measures remain limited. This article reports outcomes from a multi-stakeholder roundtable convened by The Michael J. Fox Foundation for Parkinson's Research, outlining priorities to advance patient-focused endpoints and improve clinical trial design to accelerate therapeutic development for cognitive dysfunction. In the context of the current understanding of cognitive impairment across the PD/dementia with Lewy bodies (DLB) spectrum and existing neuropsychological assessment approaches, recommendations are made regarding necessary literature reviews, including qualitative data and related conceptual models, disease models including pathophysiology and neuropsychological profile, and clinical outcome assessment (COA) reviews, including content validity, psychometrics, and fitness-for-purpose. Additionally, novel conceptual models of cognitive impairment across the normal, mild cognitive impairment (MCI) and dementia spectrum are needed and may require further qualitative evidence.

Indexed as

clinical trialscognitiondementia with Lewy bodiesParkinson's disease

Identifiers

PMID42765834
PMCPMC13593939

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.