- Conditions
- Parkinson's Disease Psychosis
- Interventions
- Pimavanserin tartrate (ACP-103)
- Drug
- Lead sponsor
- ACADIA Pharmaceuticals Inc.
- Industry
- Eligibility
- 40 Years and older
- Enrollment
- 459 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2018
- U.S. locations
- 83
- States / cities
- Gilbert, Arizona • Phoenix, Arizona • Tucson, Arizona + 80 more
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–23
of 23
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Dementia-related Psychosis
- Interventions
- Placebo, Pimavanserin 34 mg, Pimavanserin 20 mg
- Drug
- Lead sponsor
- ACADIA Pharmaceuticals Inc.
- Industry
- Eligibility
- 50 Years to 90 Years
- Enrollment
- 392 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2019
- U.S. locations
- 27
- States / cities
- Costa Mesa, California • Fullerton, California • Aventura, Florida + 22 more
- Conditions
- Parkinson's Disease Psychosis
- Interventions
- pimavanserin tartrate (ACP-103)
- Drug
- Lead sponsor
- ACADIA Pharmaceuticals Inc.
- Industry
- Eligibility
- Not listed
- Enrollment
- 39 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2013
- U.S. locations
- 1
- States / cities
- Danbury, Connecticut
- Conditions
- Parkinson's Disease Psychosis, Dementia With Lewy Bodies
- Interventions
- Pimavanserin, Quetiapine
- Drug
- Lead sponsor
- The University of Texas Health Science Center at San Antonio
- Other
- Eligibility
- Not listed
- Enrollment
- 94 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2027
- U.S. locations
- 2
- States / cities
- San Antonio, Texas
- Conditions
- Parkinson's Disease Psychosis
- Interventions
- Pimavanserin, Quetiapine
- Drug
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 40 Years and older
- Enrollment
- 358 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2027
- U.S. locations
- 24
- States / cities
- Tucson, Arizona • Loma Linda, California • Palo Alto, California + 20 more
- Conditions
- Parkinson's Disease Psychosis
- Interventions
- Pimavanserin tartrate (ACP-103)
- Drug
- Lead sponsor
- ACADIA Pharmaceuticals Inc.
- Industry
- Eligibility
- 40 Years and older
- Enrollment
- 123 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2009
- U.S. locations
- 26
- States / cities
- La Habra, California • Laguna Hills, California • Reseda, California + 22 more
- Conditions
- Parkinson Disease Psychosis
- Interventions
- Iloperidone
- Drug
- Lead sponsor
- Vanda Pharmaceuticals
- Industry
- Eligibility
- 65 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- St. Petersburg, Florida
- Conditions
- Parkinson's Disease
- Interventions
- EMD 128130, IV Levodopa
- Drug
- Lead sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
- NIH
- Eligibility
- Not listed
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2001 – 2003
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Parkinson's Disease, Psychoses
- Interventions
- aripiprazole
- Drug
- Lead sponsor
- Otsuka Pharmaceutical Development & Commercialization, Inc.
- Industry
- Eligibility
- 50 Years and older
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2004
- U.S. locations
- 1
- States / cities
- Albany, New York
- Conditions
- Schizophrenia, Parkinson's Disease
- Interventions
- 18F-Fluoro-L-dopa, O-15 Water
- Drug
- Lead sponsor
- National Institute of Mental Health (NIMH)
- NIH
- Eligibility
- 18 Years to 90 Years
- Enrollment
- 502 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- Started 2002
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Parkinson Disease Psychosis
- Interventions
- Pimavanserin
- Drug
- Lead sponsor
- ACADIA Pharmaceuticals Inc.
- Industry
- Eligibility
- 40 Years and older
- Enrollment
- 29 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2022
- U.S. locations
- 18
- States / cities
- Scottsdale, Arizona • Fullerton, California • Miami, Florida + 15 more
- Conditions
- Parkinson's Disease
- Interventions
- Not listed
- Lead sponsor
- NYU Langone Health
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 36 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2006 – 2019
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Hallucinations, Psychoses, Parkinson's Disease
- Interventions
- ACP-103
- Drug
- Lead sponsor
- ACADIA Pharmaceuticals Inc.
- Industry
- Eligibility
- 0 Years and older
- Enrollment
- 60 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2005
- U.S. locations
- 13
- States / cities
- Fountain Valley, California • Sunnyvale, California • Danbury, Connecticut + 10 more
- Conditions
- Parkinson's Disease
- Interventions
- cannabidiol
- Drug
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 40 Years to 80 Years
- Enrollment
- 13 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2017
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- Conditions
- Parkinson Disease, Parkinson Disease Psychosis, Hallucinations, Delusion
- Interventions
- Observation of minor phenomena
- Other
- Lead sponsor
- University of Rochester
- Other
- Eligibility
- 30 Years and older
- Enrollment
- 38 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2023
- U.S. locations
- 1
- States / cities
- Rochester, New York
- Conditions
- Healthy, Schizophrenia
- Interventions
- Not listed
- Lead sponsor
- National Institute of Mental Health (NIMH)
- NIH
- Eligibility
- Not listed
- Enrollment
- 265 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 1991 – 2003
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Parkinson's Disease, Psychotic Disorders
- Interventions
- Melperone HCl, Placebo
- Drug
- Lead sponsor
- Lundbeck LLC
- Industry
- Eligibility
- Not listed
- Enrollment
- 90 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2008
- U.S. locations
- 10
- States / cities
- Tucson, Arizona • Bradenton, Florida • Tampa, Florida + 7 more
- Conditions
- Parkinson Disease Psychosis
- Interventions
- Real-world, non-interventional
- Other
- Lead sponsor
- ACADIA Pharmaceuticals Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 764 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2021
- U.S. locations
- 69
- States / cities
- Cullman, Alabama • Anchorage, Alaska • Scottsdale, Arizona + 62 more
- Conditions
- Parkinson's Disease Psychosis
- Interventions
- pimavanserin tartrate, placebo
- Drug
- Lead sponsor
- ACADIA Pharmaceuticals Inc.
- Industry
- Eligibility
- 40 Years and older
- Enrollment
- 199 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2012
- U.S. locations
- 62
- States / cities
- Gilbert, Arizona • Phoenix, Arizona • Tucson, Arizona + 58 more
- Conditions
- Parkinson's Disease Psychosis
- Interventions
- Pimavanserin tartrate (ACP-103), Placebo
- Drug
- Lead sponsor
- ACADIA Pharmaceuticals Inc.
- Industry
- Eligibility
- 40 Years and older
- Enrollment
- 298 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2009
- U.S. locations
- 36
- States / cities
- Gilbert, Arizona • Phoenix, Arizona • Berkeley, California + 33 more
- Conditions
- Parkinson Disease Psychosis
- Interventions
- SEP-363856, Placebo capsule
- Drug
- Lead sponsor
- Otsuka Pharmaceutical Development & Commercialization, Inc.
- Industry
- Eligibility
- 55 Years to 105 Years
- Enrollment
- 39 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2020
- U.S. locations
- 24
- States / cities
- Fresno, California • Los Angeles, California • Riverside, California + 19 more
- Conditions
- Parkinson Disease
- Interventions
- Cannabidiol, Placebo
- Drug · Other
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 40 Years to 85 Years
- Enrollment
- 74 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2022
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- Conditions
- Parkinson Disease Psychosis
- Interventions
- AGB101
- Drug
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 40 Years to 85 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2026
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland