Jeffrey Cummings is a renowned neurologist and clinical researcher specializing in Alzheimer's disease and related dementias. He is a leading authority on clinical trials for neurodegenerative diseases and has been instrumental in developing new therapeutic approaches. As director of the Cleveland Clinic Lou Ruvo Center for Brain Health and now at UNLV, Dr. Cummings has led numerous clinical trials and contributed to the development of novel outcome measures for dementia research.<sup>1</sup>
Jeffrey Cummings is a renowned neurologist and clinical researcher specializing in Alzheimer's disease and related dementias. He is a leading authority on clinical trials for neurodegenerative diseases and has been instrumental in developing new therapeutic approaches. As director of the Cleveland Clinic Lou Ruvo Center for Brain Health and now at UNLV, Dr. Cummings has led numerous clinical trials and contributed to the development of novel outcome measures for dementia research.<sup>1</sup>
[Cell type-specific gene regulatory atlas prioritizes drug targets and repurposable medicines in Alzheimer's disease](https://pubmed.ncbi.nlm.nih.gov/41565468/). Genome research. 2026.
[Critical evaluation of real-world evidence of repurposable medicines in the Alzheimer's disease drug development pipeline using a target trial emulation](https://pubmed.ncbi.nlm.nih.gov/41473419/). Alzheimer's & dementia (New York, N. Y.). 2026.
[The roles of biomarkers in Alzheimer's disease clinical trials](https://pubmed.ncbi.nlm.nih.gov/41449005/). Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics. 2026.
[The role for artificial intelligence in identifying combination therapies for Alzheimer's disease](https://pubmed.ncbi.nlm.nih.gov/41145341/). The journal of prevention of Alzheimer's disease. 2025.
[Add-on combination therapy with monoclonal antibodies: Implications for drug development](https://pubmed.ncbi.nlm.nih.gov/41145338/). The journal of prevention of Alzheimer's disease. 2025.
Research Focus
Dr. Cummings has made fundamental contributions to understanding and treating Alzheimer's disease and related disorders:
Clinical Trials
Led over 100 clinical trials for AD and related dementias
Developed novel outcome measures for dementia trials
Pioneered trials for disease-modifying therapies
Lewy Body Dementia
Established diagnostic criteria for DLB
Investigated cholinergic dysfunction in DLB
Led trials for DLB treatments
Drug Development
Contributed to development of [cholinesterase inhibitors](/entities/cholinesterase-inhibitors)
Advocated for combination therapy approaches
Identified new therapeutic targets
Neuropsychiatry
Characterized behavioral symptoms in dementia
Developed assessment tools for neuropsychiatric symptoms
Investigated treatment approaches for agitation and psychosis
Notable Contributions
Clinical Trials: Led numerous pivotal AD clinical trials
Outcome Measures: Developed novel clinical outcome measures
DLB Research: Established diagnostic criteria and treatment approaches
Training: Trained generations of dementia researchers
Key Publications
Cummings JL, et al. "The Neuropsychiatric Inventory: assessing psychopathology in dementia patients." Neurology. 1997;48(5 Suppl 6):S10-S16. PMID: 9153160(https://pubmed.ncbi.nlm.nih.gov/9153160/)
McKeith IG, et al. "Diagnosis and management of dementia with Lewy bodies: third consensus report of the DLB Consortium." Neurology. 2017;89(1):88-100. PMID: 28592453(https://pubmed.ncbi.nlm.nih.gov/28592453/)
Cummings JL. "Lessons learned from Alzheimer disease: clinical trials with novel therapeutic targets." CNS Drugs. 2011;25(5):359-374. PMID: 21443526(https://pubmed.ncbi.nlm.nih.gov/21443526/)
Cummings JL, et al. "Alzheimer's disease: drug development pipeline 2023." Alzheimers Dement. 2023;19(5):2211-2226. PMID: 36971031(https://pubmed.ncbi.nlm.nih.gov/36971031/)
Awards and Recognition
Lifetime Achievement Award, American Neuropsychiatric Association
Potamkin Prize Nominee
Distinguished Scientist Award, Sleep Research Society
The study of Jeffrey Cummings has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.