{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Atrioventricular+Conduction+Block&page=2",
    "query": {
      "condition": "Atrioventricular Conduction Block",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Atrioventricular+Conduction+Block&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-24T08:23:03.445Z",
  "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": "NCT01170611",
      "title": "Prevention of Atrial Arrhythmia in Patients Without Atrioventricular (AV) Conduction Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Sinus Node Dysfunction",
        "Brady Tachy Syndrome"
      ],
      "interventions": [
        {
          "name": "PACEMAKER SYMPHONY 2550",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "LivaNova",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2004-07",
      "completion_date": "2007-01",
      "has_results": false,
      "last_update_posted_date": "2010-07-27",
      "last_synced_at": "2026-07-24T08:23:03.445Z",
      "location_count": 10,
      "location_summary": "Birmingham, Alabama • Mesa, Arizona • Los Angeles, California + 7 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Jackson",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01170611"
    },
    {
      "nct_id": "NCT07118358",
      "title": "BIOTRONIK Investigation of the LivIQ Leadless Pacemaker System",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Leadless Pacemaker",
        "Bradycardia",
        "AV Block",
        "Cardiac Rhythm Disorder"
      ],
      "interventions": [
        {
          "name": "LivIQ Leadless Pacemaker System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Biotronik, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 325,
      "start_date": "2026-03-16",
      "completion_date": "2028-04",
      "has_results": false,
      "last_update_posted_date": "2026-07-14",
      "last_synced_at": "2026-07-24T08:23:03.445Z",
      "location_count": 5,
      "location_summary": "Ypsilanti, Michigan • New York, New York • Winston-Salem, North Carolina + 2 more",
      "locations": [
        {
          "city": "Ypsilanti",
          "state": "Michigan"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        },
        {
          "city": "Paoli",
          "state": "Pennsylvania"
        },
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07118358"
    },
    {
      "nct_id": "NCT02994667",
      "title": "Pacemaker Utilization and Ventricular Pacing in Patients Undergoing Trans-catheter Aortic Valve Replacement (TAVR)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ventricular Flutter",
        "Atrioventricular Block",
        "Intraventricular Conduction Delay",
        "Bundle Branch Block",
        "Pacemaker Implantation"
      ],
      "interventions": [
        {
          "name": "Permanent Pacemaker Placement",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Baylor Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2015-01",
      "completion_date": "2019-12-20",
      "has_results": false,
      "last_update_posted_date": "2020-01-22",
      "last_synced_at": "2026-07-24T08:23:03.445Z",
      "location_count": 1,
      "location_summary": "Plano, Texas",
      "locations": [
        {
          "city": "Plano",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02994667"
    },
    {
      "nct_id": "NCT05650658",
      "title": "Left vs Left Randomized Clinical Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure",
        "Heart Failure With Reduced Ejection Fraction",
        "AV Block",
        "LBBB",
        "RBBB",
        "Intraventricular Conduction Delay",
        "Pacing-Induced Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "His/LBBP",
          "type": "DEVICE"
        },
        {
          "name": "BiVP",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2136,
      "start_date": "2023-09-13",
      "completion_date": "2029-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-10-02",
      "last_synced_at": "2026-07-24T08:23:03.445Z",
      "location_count": 57,
      "location_summary": "Gilbert, Arizona • Tucson, Arizona • Little Rock, Arkansas + 46 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05650658"
    },
    {
      "nct_id": "NCT05541679",
      "title": "Comparison of Left Bundle Branch Area Versus Right Ventricular Septal Pacing in Patients With High-degree Conduction Disease After Transcatheter Aortic Valve Replacement (Left Bundle BRAVE)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Complete Heart Block",
        "High Degree Second Degree Atrioventricular Block",
        "Pacemaker-Induced Cardiomyopathy",
        "Aortic Valve Stenosis"
      ],
      "interventions": [
        {
          "name": "Right ventricular septal pacing followed by left bundle branch area pacing",
          "type": "DEVICE"
        },
        {
          "name": "Left bundle branch area pacing followed by right ventricular septal pacing",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Main Line Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 46,
      "start_date": "2022-12-28",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-12-10",
      "last_synced_at": "2026-07-24T08:23:03.445Z",
      "location_count": 4,
      "location_summary": "Overland Park, Kansas • Ridgewood, New Jersey • Philadelphia, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Ridgewood",
          "state": "New Jersey"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Wynnewood",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05541679"
    },
    {
      "nct_id": "NCT03752151",
      "title": "Micra Atrial TRacking Using A Ventricular AccELerometer 2",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrioventricular Conduction Block"
      ],
      "interventions": [
        {
          "name": "MARVEL 2 Algorithm Monitor Mode then Adaptive Mode",
          "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": 77,
      "start_date": "2019-01-22",
      "completion_date": "2019-08-07",
      "has_results": true,
      "last_update_posted_date": "2020-06-04",
      "last_synced_at": "2026-07-24T08:23:03.445Z",
      "location_count": 5,
      "location_summary": "Jacksonville, Florida • Miami, Florida • Manhasset, New York + 2 more",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Manhasset",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03752151"
    },
    {
      "nct_id": "NCT05932602",
      "title": "AVEIR DR Coverage With Evidence Development (CED) Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiac Pacemaker",
        "Arrythmia",
        "Bradycardia"
      ],
      "interventions": [
        {
          "name": "Aveir DR Leadless Pacemaker System",
          "type": "DEVICE"
        },
        {
          "name": "Dual Chamber Transvenous Pacemaker",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Abbott Medical Devices",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2812,
      "start_date": "2023-10-31",
      "completion_date": "2030-05",
      "has_results": false,
      "last_update_posted_date": "2025-04-06",
      "last_synced_at": "2026-07-24T08:23:03.445Z",
      "location_count": 1,
      "location_summary": "Sylmar, California",
      "locations": [
        {
          "city": "Sylmar",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05932602"
    },
    {
      "nct_id": "NCT06166277",
      "title": "Cardioneuroablation for Recurrent Vasovagal Syncope and Bradyarrhythmias: The CNA-FWRD Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Vasovagal Syncope",
        "AV Block-2Nd Degree-Type 1",
        "Sinus Pause"
      ],
      "interventions": [
        {
          "name": "Ablation procedure",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 300,
      "start_date": "2024-08-01",
      "completion_date": "2027-04-30",
      "has_results": false,
      "last_update_posted_date": "2025-09-18",
      "last_synced_at": "2026-07-24T08:23:03.445Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06166277"
    },
    {
      "nct_id": "NCT03564860",
      "title": "HBP Device EGM Data Collection",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sick Sinus Syndrome",
        "AV Block",
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Device data collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Abbott Medical Devices",
      "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": "2018-07-17",
      "completion_date": "2020-09-30",
      "has_results": false,
      "last_update_posted_date": "2020-10-08",
      "last_synced_at": "2026-07-24T08:23:03.445Z",
      "location_count": 3,
      "location_summary": "Huntsville, Alabama • Sayre, Pennsylvania • Greenville, South Carolina",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Sayre",
          "state": "Pennsylvania"
        },
        {
          "city": "Greenville",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03564860"
    },
    {
      "nct_id": "NCT02154750",
      "title": "AV Delay Optimization vs. Intrinsic Conduction in Pacemaker Patients With Long PR Intervals",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrioventricular Block",
        "Sick Sinus Syndrome",
        "Symptomatic Bradycardia",
        "Cardiac Arrhythmia"
      ],
      "interventions": [
        {
          "name": "Long, fixed AV delay",
          "type": "DEVICE"
        },
        {
          "name": "Short, optimized AV delay",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2013-06-01",
      "completion_date": "2021-12-31",
      "has_results": true,
      "last_update_posted_date": "2025-07-24",
      "last_synced_at": "2026-07-24T08:23:03.445Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02154750"
    }
  ]
}