{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Left+Bundle+Branch+Area+Pacing",
    "query": {
      "condition": "Left Bundle Branch Area Pacing"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 12,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Left+Bundle+Branch+Area+Pacing&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T19:43:13.114Z",
  "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": "NCT05884359",
      "title": "Left Bundle Branch Area Mapping for Conduction System Pacing",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Left Bundle-Branch Block",
        "Pacemaker DDD"
      ],
      "interventions": [
        {
          "name": "3D Electroanatomical Mapping (NavX)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Steward St. Elizabeth's Medical Center of Boston, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "88 Years",
        "sex": "ALL",
        "summary": "18 Years to 88 Years"
      },
      "enrollment_count": 30,
      "start_date": "2023-06-01",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-21",
      "last_synced_at": "2026-07-22T19:43:13.114Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05884359"
    },
    {
      "nct_id": "NCT05646251",
      "title": "Intra-procedural Transthoracic EChocardiogram to Facilitate Left Bundle Branch Area Pacing (LBBAP)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Heart Ultrasound",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Geisinger Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 33,
      "start_date": "2023-03-01",
      "completion_date": "2024-10-27",
      "has_results": true,
      "last_update_posted_date": "2025-10-01",
      "last_synced_at": "2026-07-22T19:43:13.114Z",
      "location_count": 1,
      "location_summary": "Wilkes-Barre, Pennsylvania",
      "locations": [
        {
          "city": "Wilkes-Barre",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05646251"
    },
    {
      "nct_id": "NCT07069738",
      "title": "Safety and Effectiveness of Left Bundle Branch Area Pacing Versus Conventional Cardiac Resynchronization Therapy in Heart Failure",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure - NYHA II - IV"
      ],
      "interventions": [
        {
          "name": "CRT-D with a Quadripolar LV lead",
          "type": "DEVICE"
        },
        {
          "name": "CRT-D with INGEVITY+ pace/sense lead",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Scientific Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 850,
      "start_date": "2025-10-22",
      "completion_date": "2029-11",
      "has_results": false,
      "last_update_posted_date": "2026-07-02",
      "last_synced_at": "2026-07-22T19:43:13.114Z",
      "location_count": 35,
      "location_summary": "Huntsville, Alabama • Mobile, Alabama • Jonesboro, Arkansas + 30 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Las Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07069738"
    },
    {
      "nct_id": "NCT04093414",
      "title": "Left Bundle Area Versus Selective His Bundle Pacing",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bradycardia",
        "Sinus Node Dysfunction",
        "Atrioventricular Block"
      ],
      "interventions": [
        {
          "name": "Select Secure pacing lead",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "David Haines, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2019-10-07",
      "completion_date": "2022-02-22",
      "has_results": true,
      "last_update_posted_date": "2022-08-17",
      "last_synced_at": "2026-07-22T19:43:13.114Z",
      "location_count": 2,
      "location_summary": "Royal Oak, Michigan • Troy, Michigan",
      "locations": [
        {
          "city": "Royal Oak",
          "state": "Michigan"
        },
        {
          "city": "Troy",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04093414"
    },
    {
      "nct_id": "NCT05887323",
      "title": "LBBAP Data Collection Registry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bradycardia",
        "Sinus Node Dysfunction",
        "Heart Block",
        "Syncope",
        "Cardiomyopathies",
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Implantation of the Tendril 2088 lead in the LBBA",
          "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": 221,
      "start_date": "2023-04-25",
      "completion_date": "2023-07-11",
      "has_results": true,
      "last_update_posted_date": "2024-10-08",
      "last_synced_at": "2026-07-22T19:43:13.114Z",
      "location_count": 5,
      "location_summary": "Jonesboro, Arkansas • Rancho Mirage, California • Pensacola, Florida + 2 more",
      "locations": [
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Rancho Mirage",
          "state": "California"
        },
        {
          "city": "Pensacola",
          "state": "Florida"
        },
        {
          "city": "Tupelo",
          "state": "Mississippi"
        },
        {
          "city": "Danville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05887323"
    },
    {
      "nct_id": "NCT04831125",
      "title": "Conduction System Pacing International Registry (CONSPIRE)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bradyarrhythmia",
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Data collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 383,
      "start_date": "2021-04-04",
      "completion_date": "2026-02-05",
      "has_results": false,
      "last_update_posted_date": "2026-03-03",
      "last_synced_at": "2026-07-22T19:43:13.114Z",
      "location_count": 5,
      "location_summary": "Tucson, Arizona • Chicago, Illinois • New York, New York + 2 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Wilkes-Barre",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04831125"
    },
    {
      "nct_id": "NCT04863664",
      "title": "Lead EvaluAtion for Defibrillation and Reliability (LEADR) / Lead Evaluation for Defibrillation and Reliability in Left Bundle Branch Area Pacing (LEADR LBBAP)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tachyarrhythmia"
      ],
      "interventions": [
        {
          "name": "Defibrillation (RV Implant)",
          "type": "DEVICE"
        },
        {
          "name": "Defibrillation (LBBAP Implant)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic Cardiac Rhythm and Heart Failure",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 998,
      "start_date": "2021-06-21",
      "completion_date": "2025-11-06",
      "has_results": false,
      "last_update_posted_date": "2025-12-09",
      "last_synced_at": "2026-07-22T19:43:13.114Z",
      "location_count": 23,
      "location_summary": "Huntsville, Alabama • Torrance, California • Hartford, Connecticut + 19 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04863664"
    },
    {
      "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": "2026-07-22T19:43:13.114Z",
      "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": "NCT05869500",
      "title": "The Boston Pace Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Left Bundle Branch Area Pacing"
      ],
      "interventions": [
        {
          "name": "Left Bundle Branch Area Pacemaker",
          "type": "DEVICE"
        },
        {
          "name": "Right Ventricular Pacemaker",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2023-05-01",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-07-22T19:43:13.114Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05869500"
    },
    {
      "nct_id": "NCT05884411",
      "title": "Evaluation of Left Bundle Branch Area Pacing As A Rescue Strategy for Cardiac Resynchronization Therapy Non-Response",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Systolic Heart Failure",
        "Heart Failure With Reduced Ejection Fraction",
        "CRT Non-Response",
        "Left Bundle Branch Area Pacing"
      ],
      "interventions": [
        {
          "name": "Left bundle branch area pacing",
          "type": "DEVICE"
        },
        {
          "name": "Cardiac MRI",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 0,
      "start_date": "2023-04-30",
      "completion_date": "2025-08-05",
      "has_results": false,
      "last_update_posted_date": "2025-08-11",
      "last_synced_at": "2026-07-22T19:43:13.114Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05884411"
    }
  ]
}