{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Tardive+Dyskinesia+%28TD%29",
    "query": {
      "condition": "Tardive Dyskinesia (TD)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 3,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T18:18:51.642Z",
  "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": "NCT03698331",
      "title": "The Potential for Clinical Dependence and Withdrawal Symptoms Associated With Valbenazine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Tardive Dyskinesia (TD)"
      ],
      "interventions": [
        {
          "name": "Valbenazine",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral capsule",
          "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": 89,
      "start_date": "2018-09-14",
      "completion_date": "2019-04-03",
      "has_results": true,
      "last_update_posted_date": "2020-06-04",
      "last_synced_at": "2026-07-23T18:18:51.642Z",
      "location_count": 16,
      "location_summary": "Anaheim, California • Glendale, California • Norwalk, California + 11 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Norwalk",
          "state": "California"
        },
        {
          "city": "Oceanside",
          "state": "California"
        },
        {
          "city": "San Bernardino",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03698331"
    },
    {
      "nct_id": "NCT03891862",
      "title": "Persistence of Effect and Safety of Valbenazine for the Treatment of Tardive Dyskinesia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Tardive Dyskinesia (TD)"
      ],
      "interventions": [
        {
          "name": "Valbenazine",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral capsule",
          "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": 135,
      "start_date": "2019-03-18",
      "completion_date": "2020-01-30",
      "has_results": true,
      "last_update_posted_date": "2021-04-20",
      "last_synced_at": "2026-07-23T18:18:51.642Z",
      "location_count": 42,
      "location_summary": "Little Rock, Arkansas • Anaheim, California • Costa Mesa, California + 35 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Escondido",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03891862"
    },
    {
      "nct_id": "NCT07105111",
      "title": "A Study to Evaluate the Effectiveness of Valbenazine in Adult Participants With Tardive Dyskinesia (TD) Who Remain Symptomatic While Receiving or After Stopping a Vesicular Monoamine Transporter 2 (VMAT2) Inhibitor",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Schizophrenia",
        "Schizoaffective Disorder",
        "Bipolar Disorder",
        "Major Depressive Disorder",
        "Tardive Dyskinesia"
      ],
      "interventions": [
        {
          "name": "Valbenazine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 50,
      "start_date": "2025-08-29",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-16",
      "last_synced_at": "2026-07-23T18:18:51.642Z",
      "location_count": 22,
      "location_summary": "Bryant, Arkansas • Chino, California • Fountain Valley, California + 18 more",
      "locations": [
        {
          "city": "Bryant",
          "state": "Arkansas"
        },
        {
          "city": "Chino",
          "state": "California"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07105111"
    }
  ]
}