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Lewy Body Dementia clinical trials recruiting in the U.S.

17 studies for Lewy Body Dementia are recruiting participants at sites across the United States.

Lewy body dementia (LBD) is one common cause of dementia. In LBD, protein deposits build up in the brain. Read about the symptoms and what can help.

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Recently updated studies

A Study of Donanemab (LY3002813) in Participants With Early Cognitive Decline (TRAILBLAZER-ALZ 7)

RecruitingPhase 2
Ages 55 to 85 · All sexes · Updated Sep 22, 2026 · NCT07589595

Pulsed Electromagnetic Field Treatment With Dementia Patients

Recruiting
Ages 50 to 100 · All sexes · Updated Sep 17, 2026 · NCT06862557

Biofluid Research on Age-Related or Inherited Neurodegeneration

RecruitingObservational studyHealthy volunteers welcome
Ages 18 and older · All sexes · Updated Sep 1, 2026 · NCT07798700

18F-mFBG Cardiac Uptake With Lewy Body Dementia

RecruitingPhase 2
Ages 18 and older · All sexes · Updated Jul 1, 2026 · NCT07176286

Neurologic Stem Cell Treatment Study

Recruiting
Ages 18 and older · All sexes · Updated Jun 26, 2026 · NCT02795052

Natural History Study of Synucleinopathies

RecruitingObservational study
Ages 18 and older · All sexes · Updated Jun 10, 2026 · NCT01799915

[18F]F-DOPA Imaging in Patients With Autonomic Failure

RecruitingPhase 1Healthy volunteers welcome
Ages 18 and older · All sexes · Updated Mar 16, 2026 · NCT04246437

Elucidating the Role of Cholinergic Degeneration in Cognitive Fluctuations in Lewy Body Dementia

RecruitingPhase 4Healthy volunteers welcome
Ages 50 to 89 · All sexes · Updated Mar 6, 2026 · NCT07284290

Retinal Imaging in Neurodegenerative Disease

RecruitingObservational studyHealthy volunteers welcome
Ages 18 and older · All sexes · Updated Feb 4, 2026 · NCT03233646

A Study of Neurodegeneration and Neuronal Fluctuations in Lewy Body Disease and Alzheimer's Disease

RecruitingObservational studyHealthy volunteers welcome
Ages 50 to 95 · All sexes · Updated Feb 3, 2026 · NCT06057909

UPenn Observational Research Repository on Neurodegenerative Disease

RecruitingObservational studyHealthy volunteers welcome
Ages 18 and older · All sexes · Updated Jan 22, 2026 · NCT04715399

PET Imaging Evaluation of [11C]SY08

RecruitingEarly phase 1Healthy volunteers welcome
Ages 50 to 80 · All sexes · Updated Dec 24, 2025 · NCT06098612

Comparing Antipsychotic Medications in LBD Over Time

RecruitingPhase 4
All ages · All sexes · Updated Sep 9, 2025 · NCT05590637

Distinguishing Between Alzheimer's Disease, Lewy Body Dementia, and Parkinson's Disease

RecruitingObservational study
Ages 18 and older · All sexes · Updated Mar 30, 2025 · NCT03019757

NYSCF Scientific Discovery Biobank

RecruitingObservational study
30 Days · All sexes · Updated Mar 3, 2025 · NCT06203106

Modifiable Variables in Parkinsonism (MVP)

RecruitingObservational study
Ages 19 and older · All sexes · Updated Mar 25, 2022 · NCT02194816

DC Longitudinal Study on Aging and Specimen Bank

RecruitingObservational studyHealthy volunteers welcome
Ages 45 and older · All sexes · Updated Oct 24, 2019 · NCT03702907

From ClinicalTrials.gov, data retrieved Sep 29, 2026. Each study sets its own eligibility; the study team decides who can join.