{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Congestive+Heart+Failure+%28CHF%29&page=2",
    "query": {
      "condition": "Congestive Heart Failure (CHF)",
      "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=Congestive+Heart+Failure+%28CHF%29&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T18:34:54.816Z",
  "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": "NCT03008291",
      "title": "His Bundle Pacing in Bradycardia and Heart Failure",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bradycardia",
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "CRT-D Implantation",
          "type": "PROCEDURE"
        },
        {
          "name": "CRT-P Implantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Dual Chamber Pacemaker Implantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Yong-Mei Cha",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2016-10",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-12-24",
      "last_synced_at": "2026-06-10T18:34:54.816Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03008291"
    },
    {
      "nct_id": "NCT00982423",
      "title": "The Effects of Decreasing the Lasix Dose on the Cardiorenal System",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure",
        "Kidney Dysfunction"
      ],
      "interventions": [
        {
          "name": "Furosemide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 41,
      "start_date": "2009-07",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2015-07-20",
      "last_synced_at": "2026-06-10T18:34:54.816Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00982423"
    },
    {
      "nct_id": "NCT03697980",
      "title": "Apogee, A HeartWare HVAD Destination Product Surveillance Registry (PSR) Platform",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Heart Failure"
      ],
      "interventions": [
        {
          "name": "HeartWare Ventricular Assist Device",
          "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": 136,
      "start_date": "2019-01-17",
      "completion_date": "2022-02-10",
      "has_results": true,
      "last_update_posted_date": "2023-12-04",
      "last_synced_at": "2026-06-10T18:34:54.816Z",
      "location_count": 33,
      "location_summary": "Little Rock, Arkansas • San Diego, California • San Francisco, California + 25 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03697980"
    },
    {
      "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": "2026-06-10T18:34:54.816Z",
      "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": "NCT01999140",
      "title": "Implantable Cardioverter Defibrillator (ICD Registry)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure",
        "Nonischemic Cardiomyopathy",
        "Ischemic Cardiomyopathy",
        "Ventricular Arrhythmia",
        "Complications; Device, Cardiac"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "American College of Cardiology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1750,
      "start_date": "2005-06",
      "completion_date": "2030-06",
      "has_results": false,
      "last_update_posted_date": "2024-04-18",
      "last_synced_at": "2026-06-10T18:34:54.816Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01999140"
    },
    {
      "nct_id": "NCT04347759",
      "title": "Symptom Care at Home-Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure",
        "Symptoms and Signs"
      ],
      "interventions": [
        {
          "name": "Coaching Messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Automated Daily Monitoring",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2023-02-12",
      "completion_date": "2026-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-06-10T18:34:54.816Z",
      "location_count": 4,
      "location_summary": "Atlanta, Georgia • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04347759"
    },
    {
      "nct_id": "NCT05723679",
      "title": "Targeting Breathing Limitations to Improve Functional Outcomes in HFpEF",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure With Preserved Ejection Fraction",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "HeO2 gas mixture",
          "type": "OTHER"
        },
        {
          "name": "Room air gas mixture",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "55 Years to 90 Years"
      },
      "enrollment_count": 78,
      "start_date": "2023-07-01",
      "completion_date": "2029-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-07",
      "last_synced_at": "2026-06-10T18:34:54.816Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05723679"
    },
    {
      "nct_id": "NCT06979726",
      "title": "Gator SCALES-WHF: SubCutaneous Administration of Lasix to Eliminate Symptoms of Worsening Heart Failure",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure",
        "Volume Overload"
      ],
      "interventions": [
        {
          "name": "Lasix ONYU",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 100,
      "start_date": "2025-11-20",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-08",
      "last_synced_at": "2026-06-10T18:34:54.816Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06979726"
    },
    {
      "nct_id": "NCT01832610",
      "title": "Post- Approval Study on Patients Who Received a HeartWare HVAD® During IDE Trials",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "HeartWare® VAS",
          "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": 101,
      "start_date": "2013-01",
      "completion_date": "2018-03",
      "has_results": true,
      "last_update_posted_date": "2019-07-11",
      "last_synced_at": "2026-06-10T18:34:54.816Z",
      "location_count": 25,
      "location_summary": "Stanford, California • Washington D.C., District of Columbia • Gainesville, Florida + 21 more",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01832610"
    },
    {
      "nct_id": "NCT05704426",
      "title": "Arrythmia Burden in Cardiac Contractility Modulation (CCM)",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation",
        "Arrythmia"
      ],
      "interventions": [
        {
          "name": "Impulse Dynamics Optimizer Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Hackensack Meridian Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2023-05-01",
      "completion_date": "2023-07-18",
      "has_results": true,
      "last_update_posted_date": "2024-08-19",
      "last_synced_at": "2026-06-10T18:34:54.816Z",
      "location_count": 1,
      "location_summary": "Hackensack, New Jersey",
      "locations": [
        {
          "city": "Hackensack",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05704426"
    }
  ]
}