Sponsor
ACADIA Pharmaceuticals Inc.
Clinical research sponsor
Clinical trials
33 shownACP-211 Monotherapy for Major Depressive Disorder With Inadequate Antidepressant ResponseNCT07284667 · lead sponsor · 2025-11-14
RECRUITINGACP-204 in Adults With Alzheimer's Disease PsychosisNCT06159673 · lead sponsor · 2023-11-14
RECRUITINGACP-204 in Adults With Alzheimer's Disease Psychosis Open Label Extension StudyNCT06194799 · lead sponsor · 2024-04-23
ENROLLING_BY_INVITATIONEfficacy and Safety of Pimavanserin as Adjunctive Treatment for the Negative Symptoms of SchizophreniaNCT04531982 · lead sponsor · 2020-08-05
COMPLETEDOpen-Label Study With Pimavanserin on Activities of Daily Living in Subjects With Parkinson's Disease PsychosisNCT04292223 · lead sponsor · 2020-02-10
COMPLETEDStudy to Evaluate Safety and Daytime Sedation in Subjects With Parkinson's Disease With Neuropsychiatric Symptoms Treated With Pimavanserin or Low-Dose QuetiapineNCT04164758 · lead sponsor · 2019-10-23
TERMINATEDExtension Study of Pimavanserin in Subjects With Major Depressive Disorder and Inadequate Response to Antidepressant TreatmentNCT04000009 · lead sponsor · 2019-06-06
TERMINATEDAdjunctive Pimavanserin in Subjects With Major Depressive Disorder and Inadequate Response to Antidepressant TreatmentNCT03968159 · lead sponsor · 2019-04-25
COMPLETEDSafety and Efficacy of Pimavanserin in Adults With Parkinson's Disease and DepressionNCT03482882 · lead sponsor · 2018-03-09
COMPLETEDRelapse Prevention Study of Pimavanserin in Dementia-related PsychosisNCT03325556 · lead sponsor · 2017-09-27
COMPLETEDThe INSYTE (Management of Parkinson's Disease Psychosis in Actual Practice) StudyNCT03152292 · lead sponsor · 2017-03-30
TERMINATEDA Study of Pimavanserin for the Treatment of Agitation and Aggression in Subjects With Alzheimer's DiseaseNCT03118947 · lead sponsor · 2017-02-23
COMPLETEDExtension Study of Pimavanserin for the Adjunctive Treatment of SchizophreniaNCT03121586 · lead sponsor · 2017-01-01
TERMINATEDStudy to Evaluate the Efficacy and Safety of Adjunctive Pimavanserin in Major Depressive Disorder (CLARITY)NCT03018340 · lead sponsor · 2016-12-01
COMPLETEDEfficacy and Safety of Pimavanserin as Adjunctive Treatment for the Negative Symptoms of Schizophrenia (ADVANCE)NCT02970305 · lead sponsor · 2016-11-04
COMPLETEDStudy to Examine the Safety and Efficacy of Pimavanserin for the Treatment of Agitation and Aggression in Alzheimer's Disease (SERENE)NCT02992132 · lead sponsor · 2016-11-01
TERMINATEDEfficacy and Safety of Adjunctive Pimavanserin for the Treatment of Schizophrenia (ENHANCE-1)NCT02970292 · lead sponsor · 2016-10-26
COMPLETEDA Study of the Safety and Efficacy of Pimavanserin in Patients With Alzheimer's Disease PsychosisNCT02035553 · lead sponsor · 2013-11-01
COMPLETEDA Study of the Safety and Efficacy of Pimavanserin in Patients With Parkinson's Disease PsychosisNCT01174004 · lead sponsor · 2010-07-01
COMPLETEDA Study of Safety and Efficacy of Pimavanserin (ACP-103) in Patients With Parkinson's Disease PsychosisNCT00658567 · lead sponsor · 2008-03-01
COMPLETEDA Study of the Safety and Tolerability of Pimavanserin (ACP-103) in Patients With Parkinson's Disease PsychosisNCT00550238 · lead sponsor · 2007-07-01
COMPLETEDA Study of the Safety and Efficacy of Pimavanserin (ACP-103) in Patients With Parkinson's Disease PsychosisNCT00477672 · lead sponsor · 2007-06-01
COMPLETEDACP-104 in Acutely Psychotic Subjects With SchizophreniaNCT00490516 · lead sponsor · 2007-06-01
COMPLETEDAntipsychotic and Motor Effects of ACP-103 When Administered in Combination With Haloperidol and RisperidoneNCT00361166 · lead sponsor · 2005-08-01
COMPLETEDAn Open-label Safety Study of Pimavanserin in Parkinson's Disease PatientsNCT01518309 · lead sponsor · 2004-11-17
COMPLETEDTreatment of Hallucinosis/Psychosis in Parkinson's Disease by an Investigational DrugNCT00087542 · lead sponsor · 2004-03-01
COMPLETEDExpanded Access of Pimavanserin for Patients With PD PsychosisNCT02762591 · lead sponsor
APPROVED_FOR_MARKETINGCharacterization of the Serotonin 2A Receptor Selective PET Tracer [18F]MH.MZ in Patients With Neurodegenerative DiseasesNCT05357612 · collaborator · 2023-01-23
RECRUITINGThe Sub-Sero StudyNCT03994965 · collaborator · 2024-12-01
WITHDRAWNPimavanserin for Sleep in Parkinson DiseaseNCT05796167 · collaborator · 2023-01-27
WITHDRAWNRandomized Placebo Controlled Trial Evaluating the Efficacy of Pimavanserin, a Selective Serotonin 5-HydroxyTryptamine-2A (5HT2A) Inverse Agonist, to Treat Impulse Control Disorders in Parkinson's Disease.NCT03947216 · collaborator · 2020-10-23
COMPLETEDCharacterization and Progression of Minor Phenomena in Parkinson's Disease (PD)NCT05240339 · collaborator · 2019-04-25
COMPLETEDSafety Study of ACP-104: To Demonstrate the Safety, Tolerability, and PharmacokineticsNCT00628420 · collaborator · 2005-01-01
COMPLETEDSponsor roles
lead sponsor27
collaborator6
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