NCT06540833 A Study to Assess the Efficacy and Safety of ITI-1284 in the Treatment of Psychosis Associated With Alzheimer's Disease

Eligibility & Interventions

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What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

In Phase 2, researchers evaluate early signs of effectiveness. You may be randomized to receive the active treatment or a comparator. Monitoring continues closely.

This trial targets 370 participants in total. It began in 2024-08-15 with a primary completion date of 2027-09.

Brief Summary

This is a multicenter, randomized, double-blind, parallel-group, placebo-controlled, flexible-dose study evaluating the efficacy, safety, and tolerability of ITI-1284 compared with placebo in the treatment of psychosis in patients with AD.

Eligibility Criteria

Inclusion Criteria: 1. Can understand the nature of the trial and protocol requirements and provide signed informed consent, if in the judgement of the Investigator is deemed competent to provide consent or if patient is deemed not competent to provide informed consent, with the patient's assent (if capable), consent may be provided by an appropriate person (eg, patient's Legally Authorized Representative \[LAR\]) before the initiation of any study-specific procedures in accordance with local regulations; 2. Meets clinical criteria for AD based on 2011 NIA-AA criteria and either: 1. Has a high likelihood for amyloid pathology consistent with AD, as confirmed by blood-based biomarker at Screening; or 2. Has documented confirmation of AD by cerebrospinal fluid (CSF) biomarker or amyloid positron emission tomography (PET) brain scan; 3. Meets criteria for psychosis in accordance with the International Psychogeriatric Association (IPA) provisional consensus definition at Screening and Baseline; 4. Scoring ≥ 2 on any item of the BEHAVE-AD Part A. Paranoid and Delusional Ideation item and/or Part B. Hallucinations item (ie, psychosis subscale) at Screening and Baseline; 5. CGI-S score ≥ 4 at Screening and Baseline; 6. Mini-Mental State Examination, 2nd Edition™: Standard Version (MMSE-2®:SV) score of 6 to 24 (inclusive) at Screening with sufficient verbal ability to understand and answer questions and comply with procedures; 7. Has a designated caregiver (eg, relative, housemate, close personal friend, or professional caregiver); Exclusion Criteria: 1. Psychotic symptoms that are primarily attributable to delirium, substance abuse, or another general-medical condition (eg, hypothyroidism) or has been diagnosed with one or more of the following psychiatric conditions: 1. Schizophrenia, schizoaffective disorder, or other psychotic disorder that is not related to Alzheimer's dementia; 2. Bipolar disorder; 2. Risk for suicidal behavior during the course of their participation in the study or is considered to be an imminent danger to themselves or others, in the opinion of the investigator, and/or as assessed by C-SSRS; or the patient has had 1 or more suicide attempts within 2 years prior to Screening; 3. The patient is unable or unwilling to discontinue other drugs with known psychotropic properties or any non-psychotropic drugs with known or potentially significant central nervous system effects, as reviewed by the Sponsor or designee, 4. The patient is hospitalized or receiving skilled nursing care for any medical condition other than dementia 5. The patient is bedridden or has any significant medical condition that is unstable and would either: 1. Place the patient at undue risk from study drug or undergoing study procedures; or 2. Interfere with the interpretation of safety or efficacy evaluations performed during the course of the study; 6. The patient is in hospice or end-of-life care;

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