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Study identifier: NCT06194799 Synced from ClinicalTrials.gov · August 08, 2026
● Study status: Enrolling By Invitation

ACP-204 in Adults With Alzheimer's Disease Psychosis Open Label Extension Study

Condition: Alzheimer's Disease Psychosis  ·  Sponsor: ACADIA Pharmaceuticals Inc.

PhasePhase 3
Planned participants752
Who can joinAll sexes, 55 Years to 95 Years
Healthy volunteersNoCheck eligibility criteria ↓
Where76 locations · 12 countries

Sponsor, CRO or site team? See where this study is running → — listed sites, countries and recruiting context. Everything below is written for patients and caregivers.

About this study

This 52-week, open-label extension study is to evaluate the long-term safety and tolerability of ACP-204 in subjects with ADP.

This description comes directly from the study's public registry record.

Talk to the study team

No contact information is available for this study as per the public registry record.

Always discuss trial participation with your own doctor first.

Full eligibility criteria (exactly as the study team wrote them)

Inclusion Criteria: * Subject has successfully completed ACP-204-006 study * Male or female (age 55 to 95 years old): female must be of non-childbearing potential, male must take appropriate contraceptive method if partner has childbearing potential * Subject has a designated study partner/caregiver * Subjects are able to complete all study visits with a study partner/caregiver * Signed inform consent form with a caregiver or legal representative Exclusion Criteria: * Requires treatment with a medication prohibited by the protocol * Is in hospice and receiving end-of-life palliative care, or has become bedridden * Unstable clinically significant medical condition other than AD * Any medical condition that in the opinion of the investigator may affect safety or ability to complete the study Additional inclusion/exclusion criteria apply. Subjects will be evaluated at screening to ensure that all criteria for study participation are met.

Reproduced word-for-word from the public registry record — the study team can answer questions about it.

Locations (76)

ATP Clinical ResearchCosta Mesa, California, United States
Neuro-Pain Medical CenterFresno, California, United States
National Institute Of Clinical ResearchGarden Grove, California, United States
Humanity Clinical Research, CorpAventura, Florida, United States
New Life Medical Research CenterHialeah, Florida, United States
Reliable Clinical Research LLCHialeah, Florida, United States
Homestead Associates in Research Inc.Miami, Florida, United States
Premier Clinical Research Institute IncMiami, Florida, United States
Advanced Clinical ResearchMiami, Florida, United States
Verus Clinical ResearchMiami, Florida, United States
Quantum Clinical TrialsMiami, Florida, United States
Future Care Solution, LLCMiami, Florida, United States

+ 64 more locations — full list on the registry record.

More studies in these areas

This study lists sites in the areas below. Each link shows other recruiting studies near that city, from the public registry record.

Costa MesaFresnoGarden GroveAventura

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