{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Rate+Fast&page=8",
    "query": {
      "condition": "Heart Rate Fast",
      "page": 8
    },
    "page_size": 10
  },
  "pagination": {
    "page": 8,
    "page_size": 10,
    "total_count": 372,
    "total_pages": 38,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Rate+Fast&page=9&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Rate+Fast&page=7&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T05:47:10.202Z",
  "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": "NCT06703489",
      "title": "Safety and Performance Assessment of the Sphere-9™ Catheter and Affera™ Ablation System for the Treatment of Ventricular Tachycardia (Sphere-9 VT EFS)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ventricular Tachycardia (VT)"
      ],
      "interventions": [
        {
          "name": "Sphere-9 Catheter with the Affera Mapping and Ablation System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic Cardiac Ablation Solutions",
      "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": 60,
      "start_date": "2025-03-18",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-09-03",
      "last_synced_at": "2026-10-22T05:47:10.202Z",
      "location_count": 6,
      "location_summary": "Boston, Massachusetts • New York, New York • Cleveland, Ohio + 3 more",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06703489"
    },
    {
      "nct_id": "NCT01401608",
      "title": "Stereotaxis Idiopathic Ventricular Tachycardia (VT) Study",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ventricular Tachycardia"
      ],
      "interventions": [
        {
          "name": "RF Ablation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Stereotaxis",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 6,
      "start_date": "2011-03",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2015-05-20",
      "last_synced_at": "2026-10-22T05:47:10.202Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01401608"
    },
    {
      "nct_id": "NCT00409435",
      "title": "A Study of Pyridostigmine in Postural Tachycardia Syndrome",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postural Tachycardia Syndrome"
      ],
      "interventions": [
        {
          "name": "pyridostigmine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "15 Years to 55 Years"
      },
      "enrollment_count": 50,
      "start_date": "2006-10",
      "completion_date": "2027-02",
      "has_results": false,
      "last_update_posted_date": "2026-03-05",
      "last_synced_at": "2026-10-22T05:47:10.202Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00409435"
    },
    {
      "nct_id": "NCT05421208",
      "title": "Cardiovascular Autonomic and Immune Mechanism of Post COVID-19 Tachycardia Syndrome",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-acute COVID-19 Syndrome",
        "Postural Tachycardia Syndrome (POTS)",
        "Long COVID",
        "SARS CoV 2 Infection"
      ],
      "interventions": [
        {
          "name": "Levels of inflammatory cytokine ( IL-6) in post-COVID-19 POTS and controls",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Levels of inflammatory cytokine ( IL-6) in controls",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Effect on inflammation after chronic PNS stimulation",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2022-06-01",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-15",
      "last_synced_at": "2026-10-22T05:47:10.202Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05421208"
    },
    {
      "nct_id": "NCT06940752",
      "title": "VINTAGE (Ventricular Intramyocardial Navigation for Tachycardia Ablation Guided by Electrograms) Using Commercial Off-The-Shelf (COTS) Catheters",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ventricular Arrhythmia"
      ],
      "interventions": [
        {
          "name": "VINTAGE (Ventricular Intramyocardial Navigation for Tachycardia Ablation Guided by Electrograms)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "21 Years to 100 Years"
      },
      "enrollment_count": 30,
      "start_date": "2026-10-26",
      "completion_date": "2027-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-21",
      "last_synced_at": "2026-10-22T05:47:10.202Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06940752"
    },
    {
      "nct_id": "NCT02145351",
      "title": "Efficacy Study of Pacemakers to Treat Slow Heart Rate in Patients With Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure With a Preserved Ejection Fraction",
        "Heart Failure, Diastolic",
        "Chronotropic Incompetence"
      ],
      "interventions": [
        {
          "name": "Rate adaptive atrial pacing using a dual-chamber pacemaker",
          "type": "DEVICE"
        },
        {
          "name": "Pacemaker system will be implanted but set to Pacing Off.",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2014-04-07",
      "completion_date": "2022-05-09",
      "has_results": true,
      "last_update_posted_date": "2023-04-05",
      "last_synced_at": "2026-10-22T05:47:10.202Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02145351"
    },
    {
      "nct_id": "NCT01208402",
      "title": "Esmolol for Treatment of Perioperative Tachycardia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "High-risk, Non-cardiovascular Surgeries"
      ],
      "interventions": [
        {
          "name": "Esmolol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "41 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "41 Years and older"
      },
      "enrollment_count": 76,
      "start_date": "2010-09",
      "completion_date": "2013-07",
      "has_results": true,
      "last_update_posted_date": "2014-12-12",
      "last_synced_at": "2026-10-22T05:47:10.202Z",
      "location_count": 3,
      "location_summary": "Durham, North Carolina • Columbus, Ohio",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01208402"
    },
    {
      "nct_id": "NCT07188129",
      "title": "Evaluation of a Test Algorithm for Use to Analyze ECG Data Collected From a Test Device of a 24-hour Simulated Use Period",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation (AF)",
        "Tachycardia",
        "Bradycardia",
        "PVC - Premature Ventricular Contraction",
        "Premature Atrial Contraction"
      ],
      "interventions": [
        {
          "name": "Test Algorithm and Test Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Zywie, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 153,
      "start_date": "2025-01-20",
      "completion_date": "2025-06-11",
      "has_results": false,
      "last_update_posted_date": "2025-09-23",
      "last_synced_at": "2026-10-22T05:47:10.202Z",
      "location_count": 1,
      "location_summary": "Bozeman, Montana",
      "locations": [
        {
          "city": "Bozeman",
          "state": "Montana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07188129"
    },
    {
      "nct_id": "NCT00267982",
      "title": "Radiofrequency Ablation of Ectopic Atrial Tachycardia",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Disorders"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Children's Healthcare of Atlanta",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 25,
      "start_date": "1992-08",
      "completion_date": "2008-02",
      "has_results": false,
      "last_update_posted_date": "2011-07-06",
      "last_synced_at": "2026-10-22T05:47:10.202Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00267982"
    },
    {
      "nct_id": "NCT06658899",
      "title": "A Phase 2 Study of CRD-4730 in CPVT",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Catecholaminergic Polymorphic Ventricular Tachycardia"
      ],
      "interventions": [
        {
          "name": "CRD-4730",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cardurion Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 12,
      "start_date": "2025-12-01",
      "completion_date": "2027-04",
      "has_results": false,
      "last_update_posted_date": "2026-07-09",
      "last_synced_at": "2026-10-22T05:47:10.202Z",
      "location_count": 5,
      "location_summary": "San Francisco, California • Morrisville, North Carolina • Houston, Texas + 2 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Morrisville",
          "state": "North Carolina"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06658899"
    }
  ]
}