{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pacing+Therapy&page=2",
    "query": {
      "condition": "Pacing Therapy",
      "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=Pacing+Therapy&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-21T13:28:41.580Z",
  "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": "NCT00001894",
      "title": "A Comparison of Two Treatments: Pacemaker and Percutaneous Transluminal Septal Ablation for Hypertrophic Cardiomyopathy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypertrophic Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "pacemaker implantation",
          "type": "PROCEDURE"
        },
        {
          "name": "percutaneous transluminal septal ablation (PTSA)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 70,
      "start_date": "1999-08",
      "completion_date": "2002-09",
      "has_results": false,
      "last_update_posted_date": "2006-07-04",
      "last_synced_at": "2026-09-21T13:28:41.580Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001894"
    },
    {
      "nct_id": "NCT02232984",
      "title": "Quadripolar CRT-D On Currently Approved Lead SystemS",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [],
      "intervention_types": [],
      "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": 749,
      "start_date": "2014-10",
      "completion_date": "2016-10",
      "has_results": true,
      "last_update_posted_date": "2019-04-09",
      "last_synced_at": "2026-09-21T13:28:41.580Z",
      "location_count": 60,
      "location_summary": "Gilbert, Arizona • Phoenix, Arizona • Yuma, Arizona + 49 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Yuma",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02232984"
    },
    {
      "nct_id": "NCT02669290",
      "title": "Use of 3-D Blood Pool Scintigraphy to Guide Left Ventricular Pacing Lead Placement in Patients Requiring Cardiac Resynchronization Therapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure",
        "Left Ventricular Dysfunction",
        "Cardiac Resynchronization Therapy"
      ],
      "interventions": [
        {
          "name": "Guided",
          "type": "OTHER"
        },
        {
          "name": "Non-guided",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2007-01",
      "completion_date": "2018-01",
      "has_results": false,
      "last_update_posted_date": "2020-01-13",
      "last_synced_at": "2026-09-21T13:28:41.580Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02669290"
    },
    {
      "nct_id": "NCT03099655",
      "title": "Attain Stability™ Quad Clinical Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Attain Stability Quad Left Ventricular Pacing Lead",
          "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": 471,
      "start_date": "2017-07-07",
      "completion_date": "2019-05-31",
      "has_results": true,
      "last_update_posted_date": "2020-01-09",
      "last_synced_at": "2026-09-21T13:28:41.580Z",
      "location_count": 35,
      "location_summary": "Phoenix, Arizona • East Palo Alto, California • Torrance, California + 30 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "East Palo Alto",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03099655"
    },
    {
      "nct_id": "NCT00387803",
      "title": "Safety and Effectiveness of Cardiac Resynchronization Therapy With Defibrillation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Heart Failure, Congestive",
        "Ventricular Fibrillation",
        "Tachycardia, Ventricular"
      ],
      "interventions": [
        {
          "name": "Cardiac Resynchronization Therapy with Defibrillation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Scientific Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 581,
      "start_date": "1998-02",
      "completion_date": "2001-08",
      "has_results": false,
      "last_update_posted_date": "2007-01-25",
      "last_synced_at": "2026-09-21T13:28:41.580Z",
      "location_count": 1,
      "location_summary": "Saint Paul, Minnesota",
      "locations": [
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00387803"
    },
    {
      "nct_id": "NCT01213251",
      "title": "Post-Myocardial Infarction Remodeling Prevention Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Myocardial Infarction",
        "Pacing Therapy",
        "Cardiac Remodeling",
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Single Site Pacing",
          "type": "DEVICE"
        },
        {
          "name": "Dual Site Pacing",
          "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": 129,
      "start_date": "2010-12",
      "completion_date": "2016-04",
      "has_results": true,
      "last_update_posted_date": "2016-12-15",
      "last_synced_at": "2026-09-21T13:28:41.580Z",
      "location_count": 17,
      "location_summary": "Scottsdale, Arizona • Los Angeles, California • Atlanta, Georgia + 14 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01213251"
    },
    {
      "nct_id": "NCT00271544",
      "title": "Attain Model 4196 Left Ventricular (LV) Lead",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Pacing Lead",
          "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": 190,
      "start_date": "2007-02",
      "completion_date": "2008-12",
      "has_results": true,
      "last_update_posted_date": "2009-09-28",
      "last_synced_at": "2026-09-21T13:28:41.580Z",
      "location_count": 19,
      "location_summary": "Anchorage, Alaska • Phoenix, Arizona • Long Beach, California + 16 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Davenport",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00271544"
    },
    {
      "nct_id": "NCT00729703",
      "title": "Optimal Anti-tachycardia Therapy in Implantable Cardioverter-defibrillator (ICD) Patients Without Pacing Indications",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Tachycardia"
      ],
      "interventions": [
        {
          "name": "OVATIO DR 6550",
          "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": 462,
      "start_date": "2006-06",
      "completion_date": "2013-10",
      "has_results": false,
      "last_update_posted_date": "2015-01-13",
      "last_synced_at": "2026-09-21T13:28:41.580Z",
      "location_count": 5,
      "location_summary": "Atlanta, Georgia • Decatur, Georgia • Mandeville, Louisiana + 2 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Decatur",
          "state": "Georgia"
        },
        {
          "city": "Mandeville",
          "state": "Louisiana"
        },
        {
          "city": "Jeffersonville",
          "state": "Ohio"
        },
        {
          "city": "Florence",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00729703"
    },
    {
      "nct_id": "NCT00763698",
      "title": "Safety and Efficacy Study of the QuickFlex Micro Model 1258T Left Heart Pacing Lead",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "QuickFlex Micro Model 1258T Left Heart Lead",
          "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": 86,
      "start_date": "2008-10",
      "completion_date": "2010-05",
      "has_results": true,
      "last_update_posted_date": "2019-02-19",
      "last_synced_at": "2026-09-21T13:28:41.580Z",
      "location_count": 13,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Glendale, California + 9 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00763698"
    },
    {
      "nct_id": "NCT00356057",
      "title": "Investigational Device Exemption (IDE) Study for the Approval of Closed Loop Stimulation (CLS) and Cardiac Resyncronization Pacing Therapies (CRT) for the Treatment of Atrial Fibrillation (AF) With Ablate and Pace",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Congestive Heart Failure"
      ],
      "interventions": [
        {
          "name": "Protos DR/CLS and Stratos LV CRT pacemakers",
          "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": 153,
      "start_date": "2004-12",
      "completion_date": "2008-06",
      "has_results": true,
      "last_update_posted_date": "2018-02-27",
      "last_synced_at": "2026-09-21T13:28:41.580Z",
      "location_count": 10,
      "location_summary": "Birmingham, Alabama • Lake Charles, Louisiana • Boston, Massachusetts + 7 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Lake Charles",
          "state": "Louisiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Lapeer",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00356057"
    }
  ]
}