{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pimavanserin+tartrate+%28ACP-103%29&page=2",
    "query": {
      "intervention": "Pimavanserin tartrate (ACP-103)",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 37,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pimavanserin+tartrate+%28ACP-103%29&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pimavanserin+tartrate+%28ACP-103%29&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-11T08:03:49.707Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT05999240",
      "title": "Pimavanserin for Rigid-compulsive Symptoms in Autism Spectrum Disorder",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Autism Spectrum Disorder"
      ],
      "interventions": [
        {
          "name": "Pimavanserin Tartrate 34 Mg ORAL CAPSULE [NUPLAZID]",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "12 Years to 40 Years"
      },
      "enrollment_count": 30,
      "start_date": "2025-10-01",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-10-11T08:03:49.707Z",
      "location_count": 2,
      "location_summary": "Lawrence, Kansas • White Plains, New York",
      "locations": [
        {
          "city": "Lawrence",
          "state": "Kansas"
        },
        {
          "city": "White Plains",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05999240"
    },
    {
      "nct_id": "NCT03325556",
      "title": "Relapse Prevention Study of Pimavanserin in Dementia-related Psychosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Dementia-related Psychosis"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Pimavanserin 34 mg",
          "type": "DRUG"
        },
        {
          "name": "Pimavanserin 20 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ACADIA Pharmaceuticals Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "50 Years to 90 Years"
      },
      "enrollment_count": 392,
      "start_date": "2017-09-27",
      "completion_date": "2019-10-30",
      "has_results": true,
      "last_update_posted_date": "2021-06-21",
      "last_synced_at": "2026-10-11T08:03:49.707Z",
      "location_count": 27,
      "location_summary": "Costa Mesa, California • Fullerton, California • Aventura, Florida + 22 more",
      "locations": [
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Aventura",
          "state": "Florida"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03325556"
    },
    {
      "nct_id": "NCT04188392",
      "title": "Pimavanserin for Insomnia In Veterans With Posttraumatic Stress Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Post-traumatic Stress Disorder",
        "Insomnia"
      ],
      "interventions": [
        {
          "name": "Pimavanserin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 6,
      "start_date": "2020-01-06",
      "completion_date": "2021-11-10",
      "has_results": true,
      "last_update_posted_date": "2022-08-31",
      "last_synced_at": "2026-10-11T08:03:49.707Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04188392"
    },
    {
      "nct_id": "NCT00550238",
      "title": "A Study of the Safety and Tolerability of Pimavanserin (ACP-103) in Patients With Parkinson's Disease Psychosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson's Disease Psychosis"
      ],
      "interventions": [
        {
          "name": "Pimavanserin tartrate (ACP-103)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ACADIA Pharmaceuticals Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 459,
      "start_date": "2007-07",
      "completion_date": "2018-05-30",
      "has_results": true,
      "last_update_posted_date": "2019-06-24",
      "last_synced_at": "2026-10-11T08:03:49.707Z",
      "location_count": 83,
      "location_summary": "Gilbert, Arizona • Phoenix, Arizona • Tucson, Arizona + 80 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Carson",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00550238"
    },
    {
      "nct_id": "NCT00086294",
      "title": "ACP-103 to Treat Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson's Disease",
        "Dyskinesias"
      ],
      "interventions": [
        {
          "name": "Intravenous Levodopa",
          "type": "DRUG"
        },
        {
          "name": "ACP-103",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "30 Years to 80 Years"
      },
      "enrollment_count": 40,
      "start_date": "2004-06-25",
      "completion_date": "2007-11-15",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-10-11T08:03:49.707Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00086294"
    },
    {
      "nct_id": "NCT01174004",
      "title": "A Study of the Safety and Efficacy of Pimavanserin in Patients With Parkinson's Disease Psychosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Parkinson's Disease Psychosis"
      ],
      "interventions": [
        {
          "name": "pimavanserin tartrate",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ACADIA Pharmaceuticals Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 199,
      "start_date": "2010-07",
      "completion_date": "2012-11",
      "has_results": true,
      "last_update_posted_date": "2014-03-26",
      "last_synced_at": "2026-10-11T08:03:49.707Z",
      "location_count": 62,
      "location_summary": "Gilbert, Arizona • Phoenix, Arizona • Tucson, Arizona + 58 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Carson",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01174004"
    },
    {
      "nct_id": "NCT03623321",
      "title": "Extension Study of Pimavanserin in Adult Subjects With Neuropsychiatric Symptoms Related to Neurodegenerative Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Neuropsychiatric Symptoms Related to Neurodegenerative Disease"
      ],
      "interventions": [
        {
          "name": "Pimavanserin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ACADIA Pharmaceuticals Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 595,
      "start_date": "2018-07-17",
      "completion_date": "2023-05-05",
      "has_results": true,
      "last_update_posted_date": "2024-12-20",
      "last_synced_at": "2026-10-11T08:03:49.707Z",
      "location_count": 17,
      "location_summary": "Gilbert, Arizona • Costa Mesa, California • Santa Ana, California + 9 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Santa Ana",
          "state": "California"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03623321"
    },
    {
      "nct_id": "NCT04373317",
      "title": "Pimavanserin vs. Quetiapine for Treatment of Parkinson's Psychosis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Parkinson's Disease Psychosis"
      ],
      "interventions": [
        {
          "name": "Pimavanserin",
          "type": "DRUG"
        },
        {
          "name": "Quetiapine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 358,
      "start_date": "2022-10-24",
      "completion_date": "2028-08-24",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-10-11T08:03:49.707Z",
      "location_count": 24,
      "location_summary": "Tucson, Arizona • Loma Linda, California • Palo Alto, California + 20 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "West Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04373317"
    },
    {
      "nct_id": "NCT00087542",
      "title": "Treatment of Hallucinosis/Psychosis in Parkinson's Disease by an Investigational Drug",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hallucinations",
        "Psychoses",
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "ACP-103",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ACADIA Pharmaceuticals Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "0 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2004-03",
      "completion_date": "2005-12",
      "has_results": false,
      "last_update_posted_date": "2005-12-07",
      "last_synced_at": "2026-10-11T08:03:49.707Z",
      "location_count": 13,
      "location_summary": "Fountain Valley, California • Sunnyvale, California • Danbury, Connecticut + 10 more",
      "locations": [
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Sunnyvale",
          "state": "California"
        },
        {
          "city": "Danbury",
          "state": "Connecticut"
        },
        {
          "city": "Pompano Beach",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00087542"
    },
    {
      "nct_id": "NCT04794413",
      "title": "Pimavanserin Treatment in TS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Tourette Syndrome",
        "Tardive Dyskinesia"
      ],
      "interventions": [
        {
          "name": "Pimavanserin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Joseph Jankovic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2018-11-12",
      "completion_date": "2021-02-28",
      "has_results": false,
      "last_update_posted_date": "2021-03-12",
      "last_synced_at": "2026-10-11T08:03:49.707Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04794413"
    }
  ]
}