{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cardiac+pacing&page=2",
    "query": {
      "intervention": "Cardiac pacing",
      "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?intervention=Cardiac+pacing&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T00:32:17.016Z",
  "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": "NCT00311181",
      "title": "POWER (Pulse Width Optimized Waveform Evaluation Trial)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Sudden Cardiac Death"
      ],
      "interventions": [
        {
          "name": "Implantable Cardioverter Defibrillator (ICD), Cardiac Resynchronization Therapy (CRT-D)",
          "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": 217,
      "start_date": "2006-08",
      "completion_date": "2008-04",
      "has_results": true,
      "last_update_posted_date": "2019-02-20",
      "last_synced_at": "2026-09-25T00:32:17.016Z",
      "location_count": 2,
      "location_summary": "Birmingham, Alabama • Santa Monica, California",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00311181"
    },
    {
      "nct_id": "NCT03936608",
      "title": "ECG for Programming in CRT",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Systolic Heart Failure",
        "Cardiac Resynchronization Therapy",
        "Electrocardiography"
      ],
      "interventions": [
        {
          "name": "Programming individualized RV-LV pacing offset to optimize ECG",
          "type": "DEVICE"
        },
        {
          "name": "Nominally programming CRT device without RV-LV offset",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 4,
      "start_date": "2019-04-22",
      "completion_date": "2019-11-21",
      "has_results": true,
      "last_update_posted_date": "2020-12-03",
      "last_synced_at": "2026-09-25T00:32:17.016Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03936608"
    },
    {
      "nct_id": "NCT00267423",
      "title": "Biventricular Pacing in the Pediatric Population",
      "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": 12,
      "start_date": "2002-01",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2007-05-04",
      "last_synced_at": "2026-09-25T00:32:17.016Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00267423"
    },
    {
      "nct_id": "NCT00508391",
      "title": "Interventricular Delay of Lumax HF-T for Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Congestive Heart Failure"
      ],
      "interventions": [
        {
          "name": "Optimized interventricular delay biventricular pacing",
          "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": 122,
      "start_date": "2007-07",
      "completion_date": "2009-08",
      "has_results": true,
      "last_update_posted_date": "2010-01-26",
      "last_synced_at": "2026-09-25T00:32:17.016Z",
      "location_count": 18,
      "location_summary": "Fairfield, California • La Jolla, California • Santa Barbara, California + 14 more",
      "locations": [
        {
          "city": "Fairfield",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Santa Barbara",
          "state": "California"
        },
        {
          "city": "Ventura",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00508391"
    },
    {
      "nct_id": "NCT04100148",
      "title": "SyncAV Post-Market Trial",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congestive Heart Failure"
      ],
      "interventions": [
        {
          "name": "SyncAV programmed ON",
          "type": "DEVICE"
        },
        {
          "name": "Fixed AV delay",
          "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": 1686,
      "start_date": "2019-10-03",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-18",
      "last_synced_at": "2026-09-25T00:32:17.016Z",
      "location_count": 30,
      "location_summary": "Huntsville, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 25 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04100148"
    },
    {
      "nct_id": "NCT07173777",
      "title": "Cardiac Anodal Biphasic Pacing",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiac Pacing"
      ],
      "interventions": [
        {
          "name": "Cardiac Waveform Generator",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 108,
      "start_date": "2026-09",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-28",
      "last_synced_at": "2026-09-25T00:32:17.016Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07173777"
    },
    {
      "nct_id": "NCT01169493",
      "title": "Pacing Affects Cardiovascular Endpoints in Patients With Right Bundle-Branch Block (The PACE-RBBB Trial)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure",
        "Right Bundle-Branch Block"
      ],
      "interventions": [
        {
          "name": "VVI-40",
          "type": "DEVICE"
        },
        {
          "name": "RV DDD-40",
          "type": "DEVICE"
        },
        {
          "name": "BiV DDD-40",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2011-01",
      "completion_date": "2014-08",
      "has_results": true,
      "last_update_posted_date": "2016-09-23",
      "last_synced_at": "2026-09-25T00:32:17.016Z",
      "location_count": 2,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01169493"
    },
    {
      "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": "2026-09-25T00:32:17.016Z",
      "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": "NCT00156390",
      "title": "Predictors of Response to Biventricular Pacing in Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure, Wide QRS Complex"
      ],
      "interventions": [
        {
          "name": "echo-guided left ventricular lead placement",
          "type": "DEVICE"
        },
        {
          "name": "LV lead placement as per standard of care (without echo guidance)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Samir Saba",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 187,
      "start_date": "2005-06",
      "completion_date": "2012-06",
      "has_results": true,
      "last_update_posted_date": "2019-11-06",
      "last_synced_at": "2026-09-25T00:32:17.016Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00156390"
    },
    {
      "nct_id": "NCT07318233",
      "title": "Adaptive Self-Efficacy-Based AI Coaching for Cycling",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exercise Training",
        "Exercise Behavior",
        "Exercise Adherence Challenges",
        "Motivation for Physical Activity",
        "Motivational Enhancement"
      ],
      "interventions": [
        {
          "name": "Group 1: Self-efficacy-based AI coaching",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Group 2: Static AI Affirmations",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 120,
      "start_date": "2026-05-15",
      "completion_date": "2028-12-28",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-09-25T00:32:17.016Z",
      "location_count": 1,
      "location_summary": "Coral Gables, Florida",
      "locations": [
        {
          "city": "Coral Gables",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07318233"
    }
  ]
}