{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Atrial+Fibrillation%2C+Bradycardia",
    "query": {
      "condition": "Atrial Fibrillation, Bradycardia"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 13,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Atrial+Fibrillation%2C+Bradycardia&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T15:43:10.477Z",
  "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": "NCT00267137",
      "title": "Study for Atrial Fibrillation Reduction (SAFARI)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation, Bradycardia"
      ],
      "interventions": [
        {
          "name": "Pacing Algorithms",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic Cardiac Ablation Solutions",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 540,
      "start_date": "2002-09",
      "completion_date": "2006-07-21",
      "has_results": false,
      "last_update_posted_date": "2025-02-13",
      "last_synced_at": "2026-06-26T15:43:10.477Z",
      "location_count": 34,
      "location_summary": "Yuma, Arizona • Fayetteville, Arkansas • Fort Smith, Arkansas + 31 more",
      "locations": [
        {
          "city": "Yuma",
          "state": "Arizona"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Fort Smith",
          "state": "Arkansas"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00267137"
    },
    {
      "nct_id": "NCT03798613",
      "title": "Accuracy of the Apple Watch Series 4 for Detection of Heart Rhythm: A Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Rate Fast",
        "Heart Rate Low"
      ],
      "interventions": [
        {
          "name": "Apple Watch 4 Series Device",
          "type": "DEVICE"
        },
        {
          "name": "Continuous Telemetry Monitor",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2018-12-21",
      "completion_date": "2019-03-29",
      "has_results": false,
      "last_update_posted_date": "2019-04-09",
      "last_synced_at": "2026-06-26T15:43:10.477Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03798613"
    },
    {
      "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": "2026-06-26T15:43:10.477Z",
      "location_count": 1,
      "location_summary": "Bozeman, Montana",
      "locations": [
        {
          "city": "Bozeman",
          "state": "Montana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07188129"
    },
    {
      "nct_id": "NCT00040001",
      "title": "Safety and Efficacy Study of an A1-Adenosine Receptor Agonist to Slow Heart Rate in Atrial Fibrillation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "DTI-0009",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Aderis Pharmaceuticals",
      "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": null,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2005-06-24",
      "last_synced_at": "2026-06-26T15:43:10.477Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00040001"
    },
    {
      "nct_id": "NCT06892938",
      "title": "Detection and Classification of Cardiac Rhythm and Atrial Fibrillation Using a Finger-worn Ring",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation (AF)",
        "Arrhythmias Cardiac",
        "Tachycardia",
        "Palpitations",
        "Bradycardia"
      ],
      "interventions": [
        {
          "name": "Atrial Fibrillation Identification",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Everbeat",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 232,
      "start_date": "2024-09-17",
      "completion_date": "2025-04-01",
      "has_results": false,
      "last_update_posted_date": "2025-03-27",
      "last_synced_at": "2026-06-26T15:43:10.477Z",
      "location_count": 3,
      "location_summary": "La Jolla, California • Baton Rouge, Louisiana • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06892938"
    },
    {
      "nct_id": "NCT00284830",
      "title": "SAVEPACe - Search AV Extension and Managed Ventricular Pacing for Promoting Atrio-Ventricular Conduction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sick Sinus Syndrome",
        "Heart Failure, Congestive",
        "Atrial Fibrillation",
        "Bradycardia",
        "Ventricular Dysfunction"
      ],
      "interventions": [
        {
          "name": "Implantable Pulse Generators",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic Cardiac Rhythm and Heart Failure",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1070,
      "start_date": "2003-01",
      "completion_date": "2008-02",
      "has_results": false,
      "last_update_posted_date": "2008-02-29",
      "last_synced_at": "2026-06-26T15:43:10.477Z",
      "location_count": 63,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Conway, Arkansas + 60 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Conway",
          "state": "Arkansas"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "La Mesa",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00284830"
    },
    {
      "nct_id": "NCT05167058",
      "title": "Electrocardiographic Diagnostic Performance of the Apple Watch Augmented With an Artificial Intelligence Algorithm",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation",
        "Tachycardia",
        "Bradycardia",
        "Premature Supraventricular Beat",
        "Premature Ventricular Contraction"
      ],
      "interventions": [
        {
          "name": "Cardiologs Platform",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Cardiologs Technologies",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 220,
      "start_date": "2022-04-21",
      "completion_date": "2023-03-31",
      "has_results": false,
      "last_update_posted_date": "2023-10-03",
      "last_synced_at": "2026-06-26T15:43:10.477Z",
      "location_count": 3,
      "location_summary": "Hackensack, New Jersey • Ridgewood, New Jersey • New York, New York",
      "locations": [
        {
          "city": "Hackensack",
          "state": "New Jersey"
        },
        {
          "city": "Ridgewood",
          "state": "New Jersey"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05167058"
    },
    {
      "nct_id": "NCT07501299",
      "title": "HeartBeam ECG Registry",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation",
        "Atrial Flutter",
        "Bradycardia",
        "Tachycardia",
        "Arrhythmia"
      ],
      "interventions": [
        {
          "name": "Electrocardiogram (ECG)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "HeartBeam, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 600,
      "start_date": "2026-03",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-03-30",
      "last_synced_at": "2026-06-26T15:43:10.477Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07501299"
    },
    {
      "nct_id": "NCT00289289",
      "title": "Reducing Episodes by Septal Pacing Efficacy Confirmation Trial (RESPECT)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Tachycardia, Supraventricular",
        "Arrhythmia",
        "Bradycardia"
      ],
      "interventions": [
        {
          "name": "Intervention Pacing Features",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic Cardiac Rhythm and Heart Failure",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 400,
      "start_date": "2004-02",
      "completion_date": "2011-07",
      "has_results": true,
      "last_update_posted_date": "2012-08-08",
      "last_synced_at": "2026-06-26T15:43:10.477Z",
      "location_count": 34,
      "location_summary": "Little Rock, Arkansas • Rancho Mirage, California • San Diego, California + 31 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Rancho Mirage",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Yuba City",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00289289"
    },
    {
      "nct_id": "NCT00627328",
      "title": "The Atrial High Rate Episodes in Pacemaker Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Arrhythmia",
        "Atrial Fibrillation",
        "Atrioventricular Block",
        "Bradycardia",
        "Sick Sinus Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Medtronic Cardiac Rhythm and Heart Failure",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 427,
      "start_date": "2000-07",
      "completion_date": "2004-09",
      "has_results": false,
      "last_update_posted_date": "2008-03-03",
      "last_synced_at": "2026-06-26T15:43:10.477Z",
      "location_count": 37,
      "location_summary": "Hot Springs, Arkansas • Little Rock, Arkansas • Fresno, California + 34 more",
      "locations": [
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00627328"
    }
  ]
}