Hope for lewy body dementia psychosis: new drug enters final testing phase

NCT ID NCT07095465

First seen Jun 25, 2026 · Last updated Jul 24, 2026 · Updated 2 times

Summary

This study tests a drug called ACP-204 for treating psychosis (hallucinations or delusions) in people with Lewy body dementia. It is a 52-week open-label extension, meaning all 126 participants will receive the drug. The main goal is to check for side effects over the long term. Participants must have completed a prior study of the same drug.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
ACP-204 (a drug taken orally once daily)
What this could lead to
If successful, this could provide a long-term treatment option for psychosis in people with Lewy body dementia, helping manage symptoms.
What could go wrong
This is an extension study, not a new trial, and focuses on safety. It is still early to know if the drug works well long-term, and side effects are possible.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • ATP Clinical Research Inc.

    Irvine, California, 92612, United States

  • Advanced Clinical Research Network, Corp

    Miami, Florida, 33135, United States

  • Ambulatory for Individual Practice for Specialized Medical Care in Psychiatry - Dr Ivo Natsov

    Cherven Bryag, 5980, Bulgaria

  • Azienda Ospedaliera Univerrsitaria

    Naples, Napoli, 80138, Italy

  • Azienda Ospedaliera Universitaria Policlinico Umberto I - Università di Roma La Sapienza, UOI Day Hospital di Neurologia

    Roma, Roma, 185, Italy

  • CHU Strasbourg-Hopital Hautepierre

    Strasbourg, 67000, France

  • CHU Tours- Hopital Bretonneau

    Tours, Cedex 9, 37044, France

  • DCC "Sv. Vrach and Sv. Sv. Kuzma and Damyan", OOD

    Sofia, 1408, Bulgaria

  • DCC Mladost M- Varna, OOD

    Varna, 9000, Bulgaria

  • EvergreenHealth

    Kirkland, Washington, 98034, United States

  • Fakultni Nemocnice u sv. Anny v Brne

    Brno, 656 91, Czechia

  • Hawaii Pacific Neuroscience

    Honolulu, Hawaii, 96817, United States

  • Health Synergy Clinical Research, LLC

    West Palm Beach, Florida, 33407, United States

  • Homestead Associates in Research Inc

    Miami, Florida, 33032, United States

  • Hopital Neurologique Bron

    Bron, Rhone, 69677, France

  • Horizon Clinical Research Group

    Cypress, Texas, 77429, United States

  • Humanity Clinical Research, Corp

    Aventura, Florida, 33180, United States

  • Institute of Mental Health

    Belgrade, 11000, Serbia

  • K2 Summit Research

    Lady Lake, Florida, 32159, United States

  • MediClear Medical & Research Center, Inc.

    Miami, Florida, 33165, United States

  • NEUROHK s.r.o. Poliklinika Chocen a.s.

    Choceň, 56501, Czechia

  • Parkinson's Disease and Movement Disorders Center of Boca Raton

    Boca Raton, Florida, 33486, United States

  • Parkinson's Disease and Movement Disorders Center of Boca Raton d/b/a Parkinson's Research Center of America-Long Island

    Commack, New York, 11725, United States

  • R and H Clinical Research

    Stafford, Texas, 77477, United States

  • The Movement Disorder Clinic of Oklahoma

    Tulsa, Oklahoma, 74136, United States

  • The Ohio State University, Energy Advancement and Innovation Center

    Columbus, Ohio, 43210, United States

  • University of Kansas Medical Center Research Institute Inc.

    Kansas City, Kansas, 66160, United States

  • Università Campus Bio-Medico di Roma

    Roma, Roma, 128, Italy

  • Vestra Clinics s.r.o

    Rychnov nad Kněžnou, 51601, Czechia

  • Virginia Commonwealth University (a public institution of higher education)

    Richmond, Virginia, 23219, United States

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