{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Long+QT+Syndrome+%28LQTS%29",
    "query": {
      "condition": "Long QT Syndrome (LQTS)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T07:19:39.242Z",
  "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": "NCT07075445",
      "title": "Observational Study to Describe Health-Related Quality of Life and Measure Disease Burden Among Patients With Long QT Syndrome Types (LQTS) 2 and 3",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Long QT Syndrome Type 3",
        "Long QT Syndrome 2"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Thryv Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2025-10-27",
      "completion_date": "2026-12-01",
      "has_results": false,
      "last_update_posted_date": "2025-11-17",
      "last_synced_at": "2026-05-22T07:19:39.242Z",
      "location_count": 1,
      "location_summary": "Greenville, North Carolina",
      "locations": [
        {
          "city": "Greenville",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07075445"
    },
    {
      "nct_id": "NCT05348564",
      "title": "Comparing Direct vs Indirect Methods for Cascade Screening",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Long QT Syndrome",
        "Familial Hypercholesterolemia",
        "Ethics",
        "Genetic Testing"
      ],
      "interventions": [
        {
          "name": "Direct contact of family members for cascade screening of relevant variants",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2023-05-15",
      "completion_date": "2027-10",
      "has_results": false,
      "last_update_posted_date": "2026-04-14",
      "last_synced_at": "2026-05-22T07:19:39.242Z",
      "location_count": 1,
      "location_summary": "Lancaster, Pennsylvania",
      "locations": [
        {
          "city": "Lancaster",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05348564"
    },
    {
      "nct_id": "NCT02413450",
      "title": "Derivation of Human Induced Pluripotent Stem (iPS) Cells to Heritable Cardiac Arrhythmias",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Inherited Cardiac Arrythmias",
        "Long QT Syndrome (LQTS)",
        "Brugada Syndrome (BrS)",
        "Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT)",
        "Early Repolarization Syndrome (ERS)",
        "Arrhythmogenic Cardiomyopathy (AC, ARVD/C)",
        "Hypertrophic Cardiomyopathy (HCM)",
        "Dilated Cardiomyopathy (DCM)",
        "Muscular Dystrophies (Duchenne, Becker, Myotonic Dystrophy)",
        "Normal Control Subjects"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 100,
      "start_date": "2013-08",
      "completion_date": "2031-08",
      "has_results": false,
      "last_update_posted_date": "2026-01-16",
      "last_synced_at": "2026-05-22T07:19:39.242Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02413450"
    },
    {
      "nct_id": "NCT05906732",
      "title": "Study of LQT-1213 on QTc-induced Prolongation in Healthy Adult Subjects (Part1) and on Congenital Long QT in Patients Diagnosed With Type 2 or 3 Long QT Syndrome (Part 2).",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Long QT Syndrome"
      ],
      "interventions": [
        {
          "name": "LQT-1213",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Dofetilide 250 μg Cap",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Thryv Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 42,
      "start_date": "2023-03-12",
      "completion_date": "2024-05-31",
      "has_results": true,
      "last_update_posted_date": "2025-07-24",
      "last_synced_at": "2026-05-22T07:19:39.242Z",
      "location_count": 1,
      "location_summary": "West Bend, Wisconsin",
      "locations": [
        {
          "city": "West Bend",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05906732"
    },
    {
      "nct_id": "NCT02365506",
      "title": "Study to Evaluate the Effect of Eleclazine on QT, Safety, and Tolerability in Participants With Long QT2 Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "LQT2 Syndrome"
      ],
      "interventions": [
        {
          "name": "Eleclazine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gilead Sciences",
      "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": 13,
      "start_date": "2015-07-20",
      "completion_date": "2016-06-13",
      "has_results": true,
      "last_update_posted_date": "2020-12-30",
      "last_synced_at": "2026-05-22T07:19:39.242Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02365506"
    },
    {
      "nct_id": "NCT05759962",
      "title": "Phase 1 Study of LQT-1213 in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Long QT Syndrome"
      ],
      "interventions": [
        {
          "name": "LQT-1213",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Thryv Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 50,
      "start_date": "2022-09-14",
      "completion_date": "2023-03-05",
      "has_results": false,
      "last_update_posted_date": "2023-09-26",
      "last_synced_at": "2026-05-22T07:19:39.242Z",
      "location_count": 1,
      "location_summary": "Cypress, California",
      "locations": [
        {
          "city": "Cypress",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05759962"
    },
    {
      "nct_id": "NCT07277582",
      "title": "Evaluation of Efficacy and Safety of THRV-1268 in Long QT Syndrome Type 2 (LQTS 2)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Long QT Syndrome (LQTS) 2"
      ],
      "interventions": [
        {
          "name": "baseline lead-in",
          "type": "OTHER"
        },
        {
          "name": "THRV-1268",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Thryv Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "15 Years and older"
      },
      "enrollment_count": 64,
      "start_date": "2026-03-31",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-30",
      "last_synced_at": "2026-05-22T07:19:39.242Z",
      "location_count": 6,
      "location_summary": "Scottsdale, Arizona • San Francisco, California • Chicago, Illinois + 3 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07277582"
    },
    {
      "nct_id": "NCT02412709",
      "title": "Long QT Syndrome Screening in Newborns",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Long QT Syndrome"
      ],
      "interventions": [
        {
          "name": "QTScreen ECG Recorder",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "QT Medical, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Weeks",
        "maximum_age": "4 Weeks",
        "sex": "ALL",
        "summary": "2 Weeks to 4 Weeks"
      },
      "enrollment_count": 4000,
      "start_date": "2015-06",
      "completion_date": "2017-03",
      "has_results": false,
      "last_update_posted_date": "2016-09-28",
      "last_synced_at": "2026-05-22T07:19:39.242Z",
      "location_count": 3,
      "location_summary": "Lynwood, California • Torrance, California",
      "locations": [
        {
          "city": "Lynwood",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02412709"
    },
    {
      "nct_id": "NCT02549664",
      "title": "Exercise in Genetic Cardiovascular Conditions",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypertrophic Cardiomyopathy",
        "Long QT Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "8 Years to 60 Years"
      },
      "enrollment_count": 4299,
      "start_date": "2015-05-01",
      "completion_date": "2022-11-14",
      "has_results": false,
      "last_update_posted_date": "2023-09-05",
      "last_synced_at": "2026-05-22T07:19:39.242Z",
      "location_count": 29,
      "location_summary": "Tucson, Arizona • Orange, California • San Diego, California + 24 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02549664"
    },
    {
      "nct_id": "NCT01849003",
      "title": "Study of the Effect of GS-6615 in Subjects With LQT-3",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Long QT Syndrome"
      ],
      "interventions": [
        {
          "name": "GS-6615",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gilead Sciences",
      "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": 24,
      "start_date": "2013-05",
      "completion_date": "2014-11",
      "has_results": false,
      "last_update_posted_date": "2014-11-17",
      "last_synced_at": "2026-05-22T07:19:39.242Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01849003"
    }
  ]
}