{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=Neurocrine+Biosciences",
    "query": {
      "sponsor": "Neurocrine Biosciences"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 75,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=Neurocrine+Biosciences&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T03:49:07.940Z",
  "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": "NCT03733496",
      "title": "Observational, Long-term Extension Study for Participants of Prior VY-AADC01 Studies",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Neurocrine Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2018-08-24",
      "completion_date": "2023-07-18",
      "has_results": false,
      "last_update_posted_date": "2023-12-22",
      "last_synced_at": "2026-10-04T03:49:07.940Z",
      "location_count": 3,
      "location_summary": "San Francisco, California • Atlanta, Georgia • Columbus, Ohio",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03733496"
    },
    {
      "nct_id": "NCT06267846",
      "title": "A Study to Evaluate the Efficacy and Safety of NBI-1070770 in Adults With Major Depressive Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "NBI-1070770",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Neurocrine Biosciences",
      "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": 73,
      "start_date": "2024-03-20",
      "completion_date": "2025-09-11",
      "has_results": false,
      "last_update_posted_date": "2026-07-17",
      "last_synced_at": "2026-10-04T03:49:07.940Z",
      "location_count": 13,
      "location_summary": "Little Rock, Arkansas • Rogers, Arkansas • Lemon Grove, California + 10 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Rogers",
          "state": "Arkansas"
        },
        {
          "city": "Lemon Grove",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06267846"
    },
    {
      "nct_id": "NCT00525941",
      "title": "An Exploratory Study of NBI-34060 Capsules and Next Day Functioning",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Insomnia"
      ],
      "interventions": [
        {
          "name": "NBI-34060",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Neurocrine Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 0,
      "start_date": "2007-09",
      "completion_date": "2008-01",
      "has_results": false,
      "last_update_posted_date": "2015-05-12",
      "last_synced_at": "2026-10-04T03:49:07.940Z",
      "location_count": 4,
      "location_summary": "Atlanta, Georgia • New York, New York • Cincinnati, Ohio",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00525941"
    },
    {
      "nct_id": "NCT00014677",
      "title": "NBI-3001 Followed by Surgery in Treating Patients With Recurrent Glioblastoma Multiforme",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors"
      ],
      "interventions": [
        {
          "name": "interleukin-4 PE38KDEL cytotoxin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "conventional surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Neurocrine Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": "2001-03",
      "completion_date": "2008-07",
      "has_results": false,
      "last_update_posted_date": "2013-07-18",
      "last_synced_at": "2026-10-04T03:49:07.940Z",
      "location_count": 4,
      "location_summary": "La Jolla, California • Atlanta, Georgia • St Louis, Missouri + 1 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00014677"
    },
    {
      "nct_id": "NCT02679079",
      "title": "Safety and Efficacy Study of NBI-98854 in Children and Adolescents With Tourette Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Tourette Syndrome"
      ],
      "interventions": [
        {
          "name": "NBI-98854",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Neurocrine Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 98,
      "start_date": "2016-03-23",
      "completion_date": "2017-04-14",
      "has_results": true,
      "last_update_posted_date": "2021-01-15",
      "last_synced_at": "2026-10-04T03:49:07.940Z",
      "location_count": 44,
      "location_summary": "Sun City, Arizona • Springdale, Arkansas • Long Beach, California + 41 more",
      "locations": [
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "Springdale",
          "state": "Arkansas"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "San Bernardino",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02679079"
    },
    {
      "nct_id": "NCT02274558",
      "title": "A Phase 3 Study of NBI-98854 for the Treatment of Tardive Dyskinesia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Tardive Dyskinesia"
      ],
      "interventions": [
        {
          "name": "NBI-98854",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Neurocrine Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 234,
      "start_date": "2014-10",
      "completion_date": "2016-07",
      "has_results": true,
      "last_update_posted_date": "2017-07-11",
      "last_synced_at": "2026-10-04T03:49:07.940Z",
      "location_count": 48,
      "location_summary": "Little Rock, Arkansas • Anaheim, California • Glendale, California + 45 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02274558"
    },
    {
      "nct_id": "NCT02349503",
      "title": "Safety, Pharmacokinetics and Pharmacodynamics of NBI-77860 in Adolescent Females With Congenital Adrenal Hyperplasia",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Congenital Adrenal Hyperplasia"
      ],
      "interventions": [
        {
          "name": "NBI-77860",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Neurocrine Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "FEMALE",
        "summary": "12 Years to 18 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2015-02",
      "completion_date": "2015-10",
      "has_results": false,
      "last_update_posted_date": "2015-06-11",
      "last_synced_at": "2026-10-04T03:49:07.940Z",
      "location_count": 2,
      "location_summary": "Ann Arbor, Michigan • Seattle, Washington",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02349503"
    },
    {
      "nct_id": "NCT04234672",
      "title": "A Study to Assess Absolute Bioavailability (ABA) of TAK-831 and to Characterize Mass Balance, Pharmacokinetics (PK), Metabolism, and Excretion of [14C]TAK-831 in Male Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "TAK-831 Oral Tablet",
          "type": "DRUG"
        },
        {
          "name": "[14C]TAK-831 IV Infusion",
          "type": "DRUG"
        },
        {
          "name": "[14C]TAK-831 Oral Suspension",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Neurocrine Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "19 Years to 55 Years · Male only"
      },
      "enrollment_count": 6,
      "start_date": "2020-02-17",
      "completion_date": "2020-04-04",
      "has_results": true,
      "last_update_posted_date": "2021-06-30",
      "last_synced_at": "2026-10-04T03:49:07.940Z",
      "location_count": 1,
      "location_summary": "Lincoln, Nebraska",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04234672"
    },
    {
      "nct_id": "NCT05301894",
      "title": "Extension Study to Evaluate NBI-827104 in Pediatric Participants With Epileptic Encephalopathy With Continuous Spike-and-Wave During Sleep",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Epileptic Encephalopathy",
        "Continuous Spike and Wave During Sleep"
      ],
      "interventions": [
        {
          "name": "NBI-827104",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Neurocrine Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "4 Years to 12 Years"
      },
      "enrollment_count": 19,
      "start_date": "2022-06-07",
      "completion_date": "2025-01-27",
      "has_results": true,
      "last_update_posted_date": "2026-02-13",
      "last_synced_at": "2026-10-04T03:49:07.940Z",
      "location_count": 7,
      "location_summary": "Orange, California • Aurora, Colorado • Washington D.C., District of Columbia + 4 more",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05301894"
    },
    {
      "nct_id": "NCT04102579",
      "title": "Efficacy, Safety, and Tolerability of Valbenazine for the Treatment of Chorea Associated With Huntington Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chorea, Huntington"
      ],
      "interventions": [
        {
          "name": "Valbenazine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Neurocrine Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 128,
      "start_date": "2019-11-13",
      "completion_date": "2021-10-26",
      "has_results": true,
      "last_update_posted_date": "2023-10-11",
      "last_synced_at": "2026-10-04T03:49:07.940Z",
      "location_count": 42,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • La Jolla, California + 37 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04102579"
    }
  ]
}