Older adults · District of Columbia
Studies for adults 50 and older in District of Columbia
These studies set a minimum age of 50 or older in their official record. Many look at conditions more common with age, and some vaccine and memory studies specifically need older participants.
9 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingHealthy volunteersPhase 1/Phase 2
Phase 1/2 Study of Respiratory Syncytial Virus and Human Metapneumovirus (RSV+HMPV) Vaccine Candidate in Adults 60 Years of Age and Older
Sanofi
- Location
- Washington D.C., DC + 49 other US sites
- Eligibility basics
- Ages 60+
- RecruitingHealthy volunteersPhase 3
A Study to Learn About a Clostridioides Difficile Vaccine in People 65 Years of Age and Older
Pfizer
- Location
- Washington D.C., DC + 138 other US sites
- Eligibility basics
- Ages 65+
- RecruitingPhase 2
Study to Evaluate the Efficacy, Safety, and Tolerability of BMS-986368, for the Treatment of Agitation in Participants With Alzheimer's Disease
Celgene
- Location
- Washington D.C., DC + 31 other US sites
- Eligibility basics
- Ages 55–90
- RecruitingPhase 3
A Study to Evaluate the Efficacy and Safety of KarXT + KarX-EC for Cognitive Impairment in Alzheimer's Disease
Bristol-Myers Squibb
- Location
- Washington D.C., DC + 23 other US sites
- Eligibility basics
- Ages 60–85
- RecruitingPhase 3
A Study to Evaluate the Efficacy and Safety of Intravenous (IV) Prasinezumab in Participants With Early-Stage Parkinson's Disease
Hoffmann-La Roche
- Location
- Washington D.C., DC + 52 other US sites
- Eligibility basics
- Ages 50–85
- RecruitingPhase 2
Phase 2, Efficacy and Safety Study of ACP-204 in Lewy Body Dementia Psychosis
ACADIA Pharmaceuticals Inc.
- Location
- Washington D.C., DC + 27 other US sites
- Eligibility basics
- Ages 55–84
- RecruitingHealthy volunteers
Older Breast Cancer Patients: Risk for Cognitive Decline
Georgetown University
- Location
- Washington D.C., DC
- Eligibility basics
- Ages 60–105 · Women only
- RecruitingHealthy volunteers
Late Onset Alzheimer's Disease
Columbia University
- Location
- Washington D.C., DC + 11 other US sites
- Eligibility basics
- Ages 55+
- RecruitingHealthy volunteers
Effects of Combination Exercise on Fatigability in Veterans With Chronic Kidney Disease
VA Office of Research and Development
- Location
- Washington D.C., DC
- Eligibility basics
- Ages 50–85