{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dual+chamber+pacemaker&page=2",
    "query": {
      "intervention": "Dual chamber pacemaker",
      "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=Dual+chamber+pacemaker&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-20T00:34:04.124Z",
  "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": "NCT01747928",
      "title": "Users Study Of The Caverject Delivery System",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "dual-chamber syringe",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "70 Years",
        "sex": "MALE",
        "summary": "40 Years to 70 Years · Male only"
      },
      "enrollment_count": 48,
      "start_date": "2013-03",
      "completion_date": "2013-03",
      "has_results": true,
      "last_update_posted_date": "2014-05-02",
      "last_synced_at": "2026-09-20T00:34:04.124Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01747928"
    },
    {
      "nct_id": "NCT01522651",
      "title": "Study to Evaluate the Effect of Ranolazine and Dronedarone When Given Alone and in Combination in Patients With Paroxysmal Atrial Fibrillation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Ranolazine",
          "type": "DRUG"
        },
        {
          "name": "Dronedarone",
          "type": "DRUG"
        },
        {
          "name": "Ranolazine placebo",
          "type": "DRUG"
        },
        {
          "name": "Dronedarone placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gilead Sciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 134,
      "start_date": "2012-01-24",
      "completion_date": "2014-03-10",
      "has_results": true,
      "last_update_posted_date": "2020-11-06",
      "last_synced_at": "2026-09-20T00:34:04.124Z",
      "location_count": 15,
      "location_summary": "Beverly Hills, California • Newport Beach, California • San Francisco, California + 12 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01522651"
    },
    {
      "nct_id": "NCT04516434",
      "title": "Amplifying Sensation in Underactive Bladder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Urinary Bladder, Underactive"
      ],
      "interventions": [
        {
          "name": "Neurometer Neurotron CPT",
          "type": "DEVICE"
        },
        {
          "name": "Cystometry",
          "type": "PROCEDURE"
        },
        {
          "name": "Pressure-flow study",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 20,
      "start_date": "2021-09-01",
      "completion_date": "2024-09-27",
      "has_results": true,
      "last_update_posted_date": "2025-07-16",
      "last_synced_at": "2026-09-20T00:34:04.124Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04516434"
    },
    {
      "nct_id": "NCT00294645",
      "title": "PREFER (Pacemaker Remote Follow-Up Evaluation and Review)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bradycardia",
        "Arrhythmia"
      ],
      "interventions": [
        {
          "name": "Transtelephonic monitoring (TTM)",
          "type": "OTHER"
        },
        {
          "name": "Medtronic CareLink® Network",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 980,
      "start_date": "2004-04",
      "completion_date": "2008-04",
      "has_results": true,
      "last_update_posted_date": "2010-10-19",
      "last_synced_at": "2026-09-20T00:34:04.124Z",
      "location_count": 45,
      "location_summary": "Scottsdale, Arizona • Little Rock, Arkansas • Washington D.C., District of Columbia + 42 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Ormond Beach",
          "state": "Florida"
        },
        {
          "city": "Safety Harbor",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00294645"
    },
    {
      "nct_id": "NCT02145351",
      "title": "Efficacy Study of Pacemakers to Treat Slow Heart Rate in Patients With Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure With a Preserved Ejection Fraction",
        "Heart Failure, Diastolic",
        "Chronotropic Incompetence"
      ],
      "interventions": [
        {
          "name": "Rate adaptive atrial pacing using a dual-chamber pacemaker",
          "type": "DEVICE"
        },
        {
          "name": "Pacemaker system will be implanted but set to Pacing Off.",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2014-04-07",
      "completion_date": "2022-05-09",
      "has_results": true,
      "last_update_posted_date": "2023-04-05",
      "last_synced_at": "2026-09-20T00:34:04.124Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02145351"
    },
    {
      "nct_id": "NCT00422669",
      "title": "Optimize RV Selective Site Pacing Clinical Trial",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiac Pacing, Artificial",
        "Cardiac Pacemaker, Artificial"
      ],
      "interventions": [
        {
          "name": "Medtronic Dual-Chamber Pacemaker",
          "type": "DEVICE"
        },
        {
          "name": "Medtronic SelectSecure 3830 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": 205,
      "start_date": "2007-01",
      "completion_date": "2009-05",
      "has_results": true,
      "last_update_posted_date": "2013-01-31",
      "last_synced_at": "2026-09-20T00:34:04.124Z",
      "location_count": 16,
      "location_summary": "Bridgeport, Connecticut • Clearwater, Florida • Hudson, Florida + 13 more",
      "locations": [
        {
          "city": "Bridgeport",
          "state": "Connecticut"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "Hudson",
          "state": "Florida"
        },
        {
          "city": "Des Moines",
          "state": "Iowa"
        },
        {
          "city": "Silver Spring",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00422669"
    },
    {
      "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": "2026-09-20T00:34:04.124Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02154750"
    },
    {
      "nct_id": "NCT01735916",
      "title": "MIRACLE EF Clinical Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congestive Heart Failure",
        "Left Bundle Branch Block",
        "Systolic Heart Failure"
      ],
      "interventions": [
        {
          "name": "CRT-P Implant",
          "type": "DEVICE"
        },
        {
          "name": "CRT-P OFF",
          "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": 44,
      "start_date": "2012-12",
      "completion_date": "2014-03",
      "has_results": true,
      "last_update_posted_date": "2017-11-06",
      "last_synced_at": "2026-09-20T00:34:04.124Z",
      "location_count": 69,
      "location_summary": "Concord, California • La Jolla, California • Los Angeles, California + 62 more",
      "locations": [
        {
          "city": "Concord",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Rancho Mirage",
          "state": "California"
        },
        {
          "city": "Thousand Oaks",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01735916"
    },
    {
      "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": "2026-09-20T00:34:04.124Z",
      "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"
    },
    {
      "nct_id": "NCT06252623",
      "title": "Exenatide For Reducing the Reinforcing Effects of Cocaine",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cocaine Use Disorder"
      ],
      "interventions": [
        {
          "name": "Exenatide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Christopher D. Verrico",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 0,
      "start_date": "2024-08-01",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-13",
      "last_synced_at": "2026-09-20T00:34:04.124Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06252623"
    }
  ]
}