{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pimavanserin+tartrate&page=2",
    "query": {
      "intervention": "pimavanserin tartrate",
      "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&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pimavanserin+tartrate&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T17:57:36.683Z",
  "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": "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": "2026-10-07T17:57:36.683Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04794413"
    },
    {
      "nct_id": "NCT00477672",
      "title": "A Study of the Safety and Efficacy 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"
        },
        {
          "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": 298,
      "start_date": "2007-06",
      "completion_date": "2009-07",
      "has_results": true,
      "last_update_posted_date": "2017-05-17",
      "last_synced_at": "2026-10-07T17:57:36.683Z",
      "location_count": 36,
      "location_summary": "Gilbert, Arizona • Phoenix, Arizona • Berkeley, California + 33 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Carson",
          "state": "California"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00477672"
    },
    {
      "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": "2026-10-07T17:57:36.683Z",
      "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": "NCT03968159",
      "title": "Adjunctive Pimavanserin in Subjects With Major Depressive Disorder and Inadequate Response to Antidepressant Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Adjunctive Treatment of Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Pimavanserin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ACADIA Pharmaceuticals Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 298,
      "start_date": "2019-04-25",
      "completion_date": "2020-05-29",
      "has_results": true,
      "last_update_posted_date": "2021-11-17",
      "last_synced_at": "2026-10-07T17:57:36.683Z",
      "location_count": 41,
      "location_summary": "Birmingham, Alabama • Garden Grove, California • Glendale, California + 34 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Imperial",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03968159"
    },
    {
      "nct_id": "NCT04000009",
      "title": "Extension Study of Pimavanserin in Subjects With Major Depressive Disorder and Inadequate Response to Antidepressant Treatment",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Adjunctive Treatment of Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Pimavanserin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ACADIA Pharmaceuticals Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 235,
      "start_date": "2019-06-06",
      "completion_date": "2021-02-22",
      "has_results": true,
      "last_update_posted_date": "2022-04-05",
      "last_synced_at": "2026-10-07T17:57:36.683Z",
      "location_count": 33,
      "location_summary": "Garden Grove, California • Glendale, California • Irvine, California + 26 more",
      "locations": [
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Lemon Grove",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04000009"
    },
    {
      "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": "2026-10-07T17:57:36.683Z",
      "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": "NCT05523895",
      "title": "Pimavanserin for the Treatment of Irritability Associated With Autism Spectrum Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Irritability Associated With Autism Spectrum Disorder"
      ],
      "interventions": [
        {
          "name": "Pimavanserin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ACADIA Pharmaceuticals Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "5 Years to 17 Years"
      },
      "enrollment_count": 237,
      "start_date": "2022-08-09",
      "completion_date": "2024-09-27",
      "has_results": true,
      "last_update_posted_date": "2025-08-24",
      "last_synced_at": "2026-10-07T17:57:36.683Z",
      "location_count": 18,
      "location_summary": "Phoenix, Arizona • Glendale, California • San Rafael, California + 15 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "San Rafael",
          "state": "California"
        },
        {
          "city": "Centennial",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05523895"
    },
    {
      "nct_id": "NCT00361166",
      "title": "Antipsychotic and Motor Effects of ACP-103 When Administered in Combination With Haloperidol and Risperidone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "ACP-103",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ACADIA Pharmaceuticals Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 400,
      "start_date": "2005-08",
      "completion_date": "2007-03",
      "has_results": false,
      "last_update_posted_date": "2007-03-22",
      "last_synced_at": "2026-10-07T17:57:36.683Z",
      "location_count": 11,
      "location_summary": "Cerritos, California • Garden Grove, California • Glendale, California + 7 more",
      "locations": [
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Paramount",
          "state": "California"
        },
        {
          "city": "Pico Rivera",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00361166"
    },
    {
      "nct_id": "NCT05441280",
      "title": "Pimavanserin for Insomnia in Veterans With PTSD",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Post-traumatic Stress Disorder",
        "Insomnia"
      ],
      "interventions": [
        {
          "name": "pimavanserin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 60,
      "start_date": "2023-12-28",
      "completion_date": "2027-07-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-04",
      "last_synced_at": "2026-10-07T17:57:36.683Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05441280"
    },
    {
      "nct_id": "NCT03482882",
      "title": "Safety and Efficacy of Pimavanserin in Adults With Parkinson's Disease and Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Treatment of Depression in Adults With Parkinson's Disease (PD)"
      ],
      "interventions": [
        {
          "name": "Pimavanserin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ACADIA Pharmaceuticals Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 47,
      "start_date": "2018-03-09",
      "completion_date": "2019-07-24",
      "has_results": true,
      "last_update_posted_date": "2020-08-31",
      "last_synced_at": "2026-10-07T17:57:36.683Z",
      "location_count": 21,
      "location_summary": "Costa Mesa, California • Fountain Valley, California • Pasadena, California + 18 more",
      "locations": [
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Pomona",
          "state": "California"
        },
        {
          "city": "Reseda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03482882"
    }
  ]
}