{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Rate+Low&page=2",
    "query": {
      "condition": "Heart Rate Low",
      "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=Heart+Rate+Low&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T15:51:08.440Z",
  "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": "NCT01030705",
      "title": "Common Sensing and Right Ventricular Automatic Capture (COGNATE)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bradycardia",
        "Chronotropic Incompetence"
      ],
      "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": 80,
      "start_date": "2009-11",
      "completion_date": "2010-06",
      "has_results": false,
      "last_update_posted_date": "2011-09-29",
      "last_synced_at": "2026-07-22T15:51:08.440Z",
      "location_count": 5,
      "location_summary": "Cedar Rapids, Iowa • Lincoln, Nebraska • Pittsburgh, Pennsylvania + 2 more",
      "locations": [
        {
          "city": "Cedar Rapids",
          "state": "Iowa"
        },
        {
          "city": "Lincoln",
          "state": "Nebraska"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Murray",
          "state": "Utah"
        },
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01030705"
    },
    {
      "nct_id": "NCT03719040",
      "title": "Physiologic Pacing Registry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bradycardia",
        "Sinus Node Dysfunction",
        "Heart Block",
        "Syncope",
        "Cardiomyopathies",
        "Ventricular Tachycardia",
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Physiologic pacing device implant",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Abbott Medical Devices",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 870,
      "start_date": "2018-11-27",
      "completion_date": "2021-10-07",
      "has_results": true,
      "last_update_posted_date": "2024-08-19",
      "last_synced_at": "2026-07-22T15:51:08.440Z",
      "location_count": 26,
      "location_summary": "Huntsville, Alabama • Burlingame, California • San Diego, California + 22 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Burlingame",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Delray Beach",
          "state": "Florida"
        },
        {
          "city": "Winter Park",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03719040"
    },
    {
      "nct_id": "NCT01754064",
      "title": "St. Jude Medical Product Longevity and Performance (SCORE) Registry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bradycardia",
        "Tachycardia",
        "Heart Disease"
      ],
      "interventions": [
        {
          "name": "Cardiac Rhythm Management device",
          "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": 10957,
      "start_date": "2007-11",
      "completion_date": "2020-07-10",
      "has_results": false,
      "last_update_posted_date": "2021-05-11",
      "last_synced_at": "2026-07-22T15:51:08.440Z",
      "location_count": 80,
      "location_summary": "Huntsville, Alabama • Mobile, Alabama • Anchorage, Alaska + 72 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01754064"
    },
    {
      "nct_id": "NCT03670732",
      "title": "CPAP vs.Unsynchronized NIPPV at Equal Mean Airway Pressure",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prematurity",
        "Respiratory Distress Syndrome",
        "Apnea of Prematurity"
      ],
      "interventions": [
        {
          "name": "continuous positive airway pressure",
          "type": "OTHER"
        },
        {
          "name": "nasal intermittent positive pressure ventilation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Women and Infants Hospital of Rhode Island",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "6 Months",
        "sex": "ALL",
        "summary": "Up to 6 Months"
      },
      "enrollment_count": 52,
      "start_date": "2017-09-30",
      "completion_date": "2020-06-30",
      "has_results": false,
      "last_update_posted_date": "2024-07-30",
      "last_synced_at": "2026-07-22T15:51:08.440Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03670732"
    },
    {
      "nct_id": "NCT02488681",
      "title": "Micra Transcatheter Pacing System Continued Access Study Protocol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bradycardia"
      ],
      "interventions": [
        {
          "name": "Micra Pacemaker Implant",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 285,
      "start_date": "2015-06",
      "completion_date": "2016-07",
      "has_results": true,
      "last_update_posted_date": "2018-04-12",
      "last_synced_at": "2026-07-22T15:51:08.440Z",
      "location_count": 29,
      "location_summary": "Los Angeles, California • New Haven, Connecticut • Jacksonville, Florida + 25 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02488681"
    },
    {
      "nct_id": "NCT00721136",
      "title": "Randomized Study of the Use of Warfarin During Pacemaker or ICD Implantation in Patients Requiring Long Term Anticoagulation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bradycardia",
        "Tachycardia",
        "Atrial Fibrillation",
        "Valvular Heart Disease"
      ],
      "interventions": [
        {
          "name": "continue warfarin through the procedure",
          "type": "DRUG"
        },
        {
          "name": "Hold warfarin",
          "type": "DRUG"
        },
        {
          "name": "Warfarin held with heparin transition.",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 104,
      "start_date": "2007-09",
      "completion_date": "2010-08",
      "has_results": true,
      "last_update_posted_date": "2017-08-31",
      "last_synced_at": "2026-07-22T15:51:08.440Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Columbia, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Columbia",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00721136"
    },
    {
      "nct_id": "NCT00482781",
      "title": "DTaP and Apnea/Bradycardia in Preterm Infants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prolonged Apnea",
        "Prolonged Bradycardia"
      ],
      "interventions": [
        {
          "name": "Infanrix",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pediatrix",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "American SIDS Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "56 Days",
        "maximum_age": "60 Days",
        "sex": "ALL",
        "summary": "56 Days to 60 Days"
      },
      "enrollment_count": 191,
      "start_date": "2000-09",
      "completion_date": "2004-09",
      "has_results": false,
      "last_update_posted_date": "2007-06-05",
      "last_synced_at": "2026-07-22T15:51:08.440Z",
      "location_count": 10,
      "location_summary": "Austell, Georgia • Marietta, Georgia • Belle Mead, New Jersey + 6 more",
      "locations": [
        {
          "city": "Austell",
          "state": "Georgia"
        },
        {
          "city": "Marietta",
          "state": "Georgia"
        },
        {
          "city": "Belle Mead",
          "state": "New Jersey"
        },
        {
          "city": "Brooklyn",
          "state": "New York"
        },
        {
          "city": "Syracuse",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00482781"
    },
    {
      "nct_id": "NCT00040001",
      "title": "Safety and Efficacy Study of an A1-Adenosine Receptor Agonist to Slow Heart Rate in Atrial Fibrillation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "DTI-0009",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Aderis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": null,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2005-06-24",
      "last_synced_at": "2026-07-22T15:51:08.440Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00040001"
    },
    {
      "nct_id": "NCT04632641",
      "title": "Suture Closure AFtEr VEIN Access for Cardiac Procedures (SAFE-VEIN) Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Atrial Flutter",
        "Heart Block",
        "Pulmonary Embolism and Thrombosis",
        "Mitral Valve Repair",
        "Sinus Node Dysfunction",
        "Bradycardia",
        "Brady-tachy Syndrome"
      ],
      "interventions": [
        {
          "name": "Perclose ProGlide Suture-Mediated Closure System (SMC) - LARGE-BORE PROCEDURES",
          "type": "DEVICE"
        },
        {
          "name": "Figure 8 Suture - LARGE-BORE PROCEDURES",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 107,
      "start_date": "2021-04-23",
      "completion_date": "2023-12-31",
      "has_results": true,
      "last_update_posted_date": "2024-10-03",
      "last_synced_at": "2026-07-22T15:51:08.440Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04632641"
    },
    {
      "nct_id": "NCT00267137",
      "title": "Study for Atrial Fibrillation Reduction (SAFARI)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation, Bradycardia"
      ],
      "interventions": [
        {
          "name": "Pacing Algorithms",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic Cardiac Ablation Solutions",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 540,
      "start_date": "2002-09",
      "completion_date": "2006-07-21",
      "has_results": false,
      "last_update_posted_date": "2025-02-13",
      "last_synced_at": "2026-07-22T15:51:08.440Z",
      "location_count": 34,
      "location_summary": "Yuma, Arizona • Fayetteville, Arkansas • Fort Smith, Arkansas + 31 more",
      "locations": [
        {
          "city": "Yuma",
          "state": "Arizona"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Fort Smith",
          "state": "Arkansas"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00267137"
    }
  ]
}