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Taking people in United StatesPhase 3

Tests ACP-204 for psychosis in people with Lewy body dementia

Tests ACP-204 long term in adults with Lewy body dementia psychosis.

Plain-language title generated from the registry record
Registry title: Phase 3, Open Label Extension Study of ACP-204 in Lewy Body Dementia Psychosis

Key facts

Where
Aventura, Boca Raton, Columbus, Commack, Cypress, Honolulu, Irvine, Kansas City, Kirkland, Lady Lake, Miami, Richmond, San Antonio, Stafford, Tulsa, Washington D.C., and West Palm Beach, United StatesSee the 19 sites
Phase
Phase 3

Could this be for you?

Answer for yourself. This is not a decision: only the study team can say whether you can take part.

  • Are you between 55 and 84 years old?

Source: NCT07095465, who can take part

Where in United States

  • Humanity Clinical Research, CorpAventura, United StatesTaking people
  • Parkinson's Disease and Movement Disorders Center of Boca RatonBoca Raton, United StatesTaking people
  • The Ohio State University, Energy Advancement and Innovation CenterColumbus, United StatesTaking people
  • Parkinson's Disease and Movement Disorders Center of Boca Raton d/b/a Parkinson's Research Center of America-Long IslandCommack, United StatesTaking people
  • Horizon Clinical Research GroupCypress, United StatesTaking people
  • Hawaii Pacific NeuroscienceHonolulu, United StatesTaking people
  • ATP Clinical Research Inc.Irvine, United StatesTaking people
  • University of Kansas Medical Center Research Institute, IncKansas City, United StatesTaking people
  • EvergreenHealthKirkland, United StatesTaking people
  • K2 Summit ResearchLady Lake, United StatesTaking people
  • Advanced Clinical Research Network, CorpMiami, United StatesTaking people
  • Homestead Associates in Research Inc.Miami, United StatesTaking people
  • MediClear Medical & Research Center, Inc.Miami, United StatesTaking people
  • Virginia Commonwealth University (a public institution of higher education)Richmond, United StatesTaking people
  • The University of Texas Health Science Center San AntonioSan Antonio, United StatesTaking people
  • R and H Clinical ResearchStafford, United StatesTaking people
  • The Movement Disorder Clinic of OklahomaTulsa, United StatesTaking people
  • Georgetown UniversityWashington D.C., United StatesTaking people
  • Health Synergy Clinical Research, LLCWest Palm Beach, United StatesTaking people

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?
Print a page for my doctor

Trial details

Who runs it
ACADIA Pharmaceuticals Inc.
Trial code
NCT07095465EU 2025-521711-39-00
Record updated
4 November 2026
Original description
A 52-Week, Phase 3, Open-Label Extension Study of ACP-204 in Adults With Lewy Body Dementia Psychosis (LBDP)Read full original descriptionShow less

52-Week, Phase 3, Open-Label Extension Study of ACP-204 in Adults With Lewy Body Dementia Psychosis (LBDP)

A 52-Week, Phase 3, Open-Label Extension Study of ACP-204 in Adults With Lewy Body Dementia Psychosis (LBDP)

Inclusion: The subject may benefit from long-term therapy with open-label ACP-204 treatment in the judgment of the Investigator; Subject has completed Visit 6 (EOT) of the antecedent ACP-204-012 study and did not have an early discontinuation from the antecedent study; Can complete all study visits with a study partner/caregiver; Can understand the nature of the study and protocol requirements and provide written informed consent. If the subject is deemed not competent to provide informed consent, the following requirements for consent must be met:; The subject's LAR (or study partner/caregiver, if local regulations allow) must provide written informed consent; The subject must provide written (if capable) informed assent per local regulations; If the subject is a female, she must be of nonchildbearing potential; If the subject is male, he must agree to the following during the study intervention period and for at least 90 days after the last dose of study drug:; Refrain from donating sperm, AND; Either; Be abstinent from sexual intercourse where pregnancy can occur (abstinent on a long-term and persistent basis) and agree to remain abstinent OR; Use a condom and subject's female partner (if of childbearing potential and not pregnant) must use an additional contraceptive method.

Exclusion: Is in hospice, is receiving end-of-life palliative care, or is bedridden; Requires treatment with a medication or other substance that is prohibited by the protocol or will be used in a way that violates a use restriction; Has a heart rate <50 beats per minute, as measured by vital signs at Baseline (EOT visit of the antecedent study). If bradycardia is secondary to iatrogenic or treatable causes and these causes are addressed, a heart rate assessment can be repeated; Has a neurologic, cardiovascular, respiratory, gastrointestinal, renal, hepatic, hematologic, or other medical or mental disorder, including cancer or malignancies that, in the judgment of the Investigator, would increase the risk associated with taking study medication or significantly interfere with the conduct or interpretation of the study; Has a clinically significant laboratory abnormality in the antecedent ACP-204-012 study, excepting at ACP-204-012 EOT, that in the judgment of the Investigator or Medical Monitor, will either:; jeopardize the safe participation of the subject in this study; OR; interfere with the conduct or interpretation of safety or efficacy evaluations in the study; Is judged by the Investigator or the Medical Monitor to be inappropriate for the study for any reason; Has a BMI <18.5 kg/m2 or known unintentional weight loss ≥7% of body weight over past 6 months; Is actively suicidal at Visit 1 (Baseline, EOT visit of the antecedent study).

ClinicalTrials.gov NCT07095465 · EU CTIS 2025-521711-39-00