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Clinical trialNCT04373317RecruitingPhase 4Interventional

Pimavanserin vs. Quetiapine for Treatment of Parkinson's Psychosis

SponsorVA Office of Research and DevelopmentEnrollment358Parkinson's Disease Psychosis
View the registry record on ClinicalTrials.gov

Summary

The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

  • Daniel Weintraub, MD

    Corporal Michael J. Crescenz VA Medical Center, Philadelphia, PA

    Study Chair

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

24 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • Southern Arizona Va Health Care System, Tucson, Az

    Tucson, Arizona, United States

    Terminated
  • Va Loma Linda Healthcare System, Loma Linda, Ca

    Loma Linda, California, United States

    Recruiting
  • Va Palo Alto Health Care System, Palo Alto, Ca

    Palo Alto, California, United States

    Recruiting
  • San Francisco Va Medical Center, San Francisco, Ca

    San Francisco, California, United States

    Active, not recruiting
  • Va Greater Los Angeles Healthcare System, West Los Angeles, Ca

    West Los Angeles, California, United States

    Terminated
  • Rocky Mountain Regional Va Medical Center, Aurora, Co

    Aurora, Colorado, United States

    Recruiting
  • North Florida/south Georgia Veterans Health System, Gainesville, Fl

    Gainesville, Florida, United States

    Active, not recruiting
  • Edward Hines Jr. Va Hospital, Hines, Il

    Hines, Illinois, United States

    Active, not recruiting
  • Lexington Va Medical Center, Lexington, Ky

    Lexington, Kentucky, United States

    Terminated
  • Va Ann Arbor Healthcare System, Ann Arbor, Mi

    Ann Arbor, Michigan, United States

    Active, not recruiting
  • Minneapolis Va Health Care System, Minneapolis, Mn

    Minneapolis, Minnesota, United States

    Recruiting
  • St. Louis Va Medical Center John Cochran Division, St. Louis, Mo

    St Louis, Missouri, United States

    Active, not recruiting
  • New Mexico Va Health Care System, Albuquerque, Nm

    Albuquerque, New Mexico, United States

    Terminated
  • Syracuse Va Medical Center, Syracuse, Ny

    Syracuse, New York, United States

    Terminated
  • Asheville Va Medical Center, Asheville, Nc

    Asheville, North Carolina, United States

    Terminated
  • Louis Stokes Va Medical Center, Cleveland, Oh

    Cleveland, Ohio, United States

    Recruiting
  • Va Portland Health Care System, Portland, Or

    Portland, Oregon, United States

    Recruiting
  • Corporal Michael J. Crescenz Va Medical Center, Philadelphia, Pa

    Philadelphia, Pennsylvania, United States

    Daniel Weintraub, MD
    Recruiting
  • Philadelphia Multiservice Center, Philadelphia, Pa

    Philadelphia, Pennsylvania, United States

    Recruiting
  • Tennessee Valley Healthcare System Nashville Campus, Nashville, Tn

    Nashville, Tennessee, United States

    Terminated
  • Michael E. Debakey Va Medical Center, Houston, Tx

    Houston, Texas, United States

    Recruiting
  • South Texas Health Care System, San Antonio, Tx

    San Antonio, Texas, United States

    Terminated
  • Hunter Holmes Mcguire Va Medical Center, Richmond, Va

    Richmond, Virginia, United States

    Terminated
  • Va Puget Sound Health Care System Seattle Division, Seattle, Wa

    Seattle, Washington, United States

    Active, not recruiting

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
24 Oct 2022
Primary completion
24 Oct 2026
Completion
24 Aug 2027
Last update posted
28 Aug 2025
Registered enrollment
358
Registry id
NCT04373317

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.