Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 6, 2026, 4:53 PM EDT

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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
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Conditions
Alzheimer's Disease Psychosis
Interventions
ACP-204, Placebo
Drug
Lead sponsor
ACADIA Pharmaceuticals Inc.
Industry
Eligibility
55 Years to 95 Years
Enrollment
1,074 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
47
States / cities
Chandler, Arizona • Scottsdale, Arizona • Anaheim, California + 31 more
Conditions
Lewy Body Dementia Psychosis
Interventions
ACP-204, Placebo
Drug
Lead sponsor
ACADIA Pharmaceuticals Inc.
Industry
Eligibility
55 Years to 84 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
29
States / cities
Irvine, California • Aurora, Colorado • Washington D.C., District of Columbia + 23 more
Conditions
Alzheimer's Disease Psychosis
Interventions
ACP-204
Drug
Lead sponsor
ACADIA Pharmaceuticals Inc.
Industry
Eligibility
55 Years to 95 Years
Enrollment
752 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
21
States / cities
Costa Mesa, California • Fresno, California • Garden Grove, California + 8 more
Conditions
Lewy Body Dementia Psychosis
Interventions
ACP-204
Drug
Lead sponsor
ACADIA Pharmaceuticals Inc.
Industry
Eligibility
55 Years to 84 Years
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
17
States / cities
Irvine, California • Aventura, Florida • Boca Raton, Florida + 12 more