RECRUITING Phase 2 ClinicalTrials.gov

A Study to Assess the Efficacy and Safety of ML-007C-MA for the Treatment of Alzheimer's Disease Psychosis

Sponsor: MapLight Therapeutics • ClinicalTrials.gov ID: NCT06887192

Registry updated: 2026-09-30

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Description

ML-007C-MA-221 is a Phase 2, randomized, double-blind, placebo-controlled study to evaluate the efficacy and safety of ML-007C-MA in male and female participants aged 55 to 90 years with hallucinations and delusions associated with Alzheimer's Disease Psychosis (ADP). The primary objective is to evaluate the efficacy of ML-007C-MA compared with placebo for the treatment of hallucinations and delusions associated with ADP as measured by the Neuropsychiatric Inventory-Clinician (NPI-C): Hallucinations and Delusions (H+D) score.

Interventions

ML-007C-MA (Drug)
ML-007C-MA dosed as 105/1.5 mg BID, or 210/3 mg BID
Placebo (Drug)
Placebo Tablets

Eligibility criteria

Key Inclusion Criteria: 1. Willing and able to provide written informed consent, or, if deemed lacking in the capacity to provide informed consent, the following requirements for consent must be met: 1. The participant's LAR must provide written informed consent AND 2. The participant will provide informed assent. 2. Meets clinical criteria for Possible AD or Probable AD. 3. Presence of psychotic symptoms (meeting International Psychogeriatric Association criteria) (Cummings 2020) for at least 2 months before Screening. 4. Has resided at the same home, residential assisted living, or nursing home facility for a minimum of 6 weeks before Screening. 5. Has a designated care partner who is in contact with the participant frequently enough to accurately report on the participant's symptoms and adherence to study drug. 6. Has a NPI-C H+D score of ≥ 6 AND meet at least 1 of the following criteria: 1. Moderate to severe delusions, defined as NPI-C Delusions domain score of ≥ 2 on at least 2 of the 8 items OR 2. Moderate to severe hallucinations, defined as NPI-C Hallucinations domain score of ≥ 2 on at least 2 of the 7 items. 7. Has a (CGI)-S hallucinations and delusions domain-specific score ≥4 8. Has an Mini-mental State Examination (MMSE) score of 6 to 26, inclusive. Key Exclusion Criteria: 1. Under the care of hospice, bed-bound, or receiving end-of-life palliative care. 2. Psychotic symptoms that are primarily attributable to substance abuse or a medical, neurological or psychiatric condition other than Alzheimer's disease. 3. Evidence of a CNS disorder other than Alzheimer's disease that is the primary cause of, or a significant contributor to the participant's dementia. 4. Moderate or severe major depressive episode within 3 months of Screening, according to DSM-5 criteria. 5. Has an elevated risk of suicidal behavior 6. Has had an amyloid PET brain scan or CSF Alzheimer's disease biomarker test in the past 3 years with results inconsistent with a diagnosis of AD. 7. Evidence of a clinically significant and/or unstable medical condition that, in the opinion of the investigator or medical monitor, could substantially impair cognition, compromise participant safety, interfere with the participant's ability to comply with study procedures or substantially impair the evaluation of efficacy or safety assessments. 8. Gastric retention, urinary retention or narrow-angle (angle-closure) glaucoma 9. Meets or has met DSM-5 criteria for alcohol or substance use disorder within the past 12 months (excluding caffeine and nicotine). 10. Has previously participated in any clinical study with ML-007 or ML-007C-MA. 11. Has developed an allergy or other intolerance to ML-007C-MA, its active ingredients or their excipients. 12. Received or may have received an investigational drug, biological product or device within 90 days before Baseline (or 6 months for investigational Alzheimer's disease-modifying therapies).

Conditions

Psychosis Associated With Alzheimer's Disease

Locations

Clinical Site — Phoenix, Arizona, United States
Clinical Site — Scottsdale, Arizona, United States
Clinical Site — Tucson, Arizona, United States
Clinical Site — Anaheim, California, United States
Clinical Site — Long Beach, California, United States
Clinical Site — Murrieta, California, United States
Clinical Site — Orange, California, United States
Clinical Site — San Diego, California, United States
Clinical Site — Denver, Colorado, United States
Clinical Site — Boca Raton, Florida, United States
Clinical Site — Deerfield Beach, Florida, United States
Clinical Site — Doral, Florida, United States
Clinical Site — Homestead, Florida, United States
Clinical Site — Miami, Florida, United States
Clinical Site — Miami, Florida, United States
Clinical Site — Miami, Florida, United States
Clinical Site — Miami, Florida, United States
Clinical Site — Miami Gardens, Florida, United States
Clinical Site — Miami Gardens, Florida, United States
Clinical Site — Naples, Florida, United States
Clinical Site — Orlando, Florida, United States
Clinical Site — Tampa, Florida, United States
Clinical Site — West Palm Beach, Florida, United States
Clinical Site — Augusta, Georgia, United States
Clinical Site — Snellville, Georgia, United States
Clinical Site — Alexandria, Louisiana, United States
Clinical Site — Las Vegas, Nevada, United States
Clinical Site — West Long Branch, New Jersey, United States
Clinical Site — New York, New York, United States
Clinical Site — Dayton, Ohio, United States
Clinical Site — Independence, Ohio, United States
Clinical Site — Tigard, Oregon, United States
Clinical Site — Port Royal, South Carolina, United States
Clinical Site — Austin, Texas, United States
Clinical Site — McKinney, Texas, United States
Clinical Site — Sugarland, Texas, United States
Clinical Site — Bellevue, Washington, United States
Clinical Site — Caba, Buenos Aires F.D., Argentina
Clinical Site — Córdoba, Córdoba Province, Argentina
Clinical Site — Córdoba, Argentina
Clinical Site — Pernik, Pernik, Bulgaria
Clinical Site — Sofia, Sofia, Bulgaria
Clinical Site — Brampton, Ontario, Canada
Clinical Site — London, Ontario, Canada
Clinical Site — Toronto, Ontario, Canada
Clinical Site — Lévis, Quebec, Canada
Clinical Site — Antofagasta, Antofagasta, Chile
Clinical Site — Santiago, Chile
Clinical Site — Santiago, Chile
Clinical Site — Choceň, Czechia
Clinical Site — Prague, Czechia
Clinical Site — Toulouse, France
Clinical Site — Pécs, Hungary
Clinical Site — Pécs, Hungary
Clinical Site — Roma, Italy
Clinical Site — Plewiska, Poland
Clinical Site — Torres Vedras, Lisbon District, Portugal
Clinical Site — Bucharest, Romania
Clinical Site — Kragujevac, Serbia
Clinical Site — Vranov nad Topľou, Slovakia
Clinical Site — Daegu, South Korea
Clinical Site — Incheon, South Korea

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Official Source

Data sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

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