{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=NYHA+Class+II+Heart+Failure",
    "query": {
      "condition": "NYHA Class II Heart Failure"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 36,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=NYHA+Class+II+Heart+Failure&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-27T00:21:47.679Z",
  "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": "NCT05835063",
      "title": "A Study to Improve Physician-Youth Communication and Medical Decision Making",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure NYHA Class II",
        "Heart Failure NYHA Class III",
        "Heart Failure NYHA Class IV"
      ],
      "interventions": [
        {
          "name": "We Chatt communication tool",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual/standard care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 62,
      "start_date": "2023-09-14",
      "completion_date": "2024-06-07",
      "has_results": true,
      "last_update_posted_date": "2025-06-18",
      "last_synced_at": "2026-06-27T00:21:47.679Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05835063"
    },
    {
      "nct_id": "NCT07166965",
      "title": "Ketone and Hawthorn Extract Supplementation in Congestive Heart Failure",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congestive Heart Failure(CHF)"
      ],
      "interventions": [
        {
          "name": "Hawthorn supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Ketones",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2025-11-15",
      "completion_date": "2029-09",
      "has_results": false,
      "last_update_posted_date": "2025-11-18",
      "last_synced_at": "2026-06-27T00:21:47.679Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07166965"
    },
    {
      "nct_id": "NCT07221513",
      "title": "Study of JK07 in Patients With Heart Failure and WHO Group 2 Combined Post- and Pre-Capillary Pulmonary Hypertension",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HFrEF - Heart Failure With Reduced Ejection Fraction",
        "HFpEF - Heart Failure With Preserved Ejection Fraction",
        "Group 2 Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "JK07",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Salubris Biotherapeutics Inc",
      "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": 0,
      "start_date": "2025-12-15",
      "completion_date": "2026-04-16",
      "has_results": false,
      "last_update_posted_date": "2026-05-15",
      "last_synced_at": "2026-06-27T00:21:47.679Z",
      "location_count": 1,
      "location_summary": "Tulsa, Oklahoma",
      "locations": [
        {
          "city": "Tulsa",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07221513"
    },
    {
      "nct_id": "NCT03035565",
      "title": "Cognitive Intervention to Improve Memory in Heart Failure Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure NYHA Class II",
        "Heart Failure NYHA Class III",
        "Heart Failure NYHA Class I"
      ],
      "interventions": [
        {
          "name": "Computerized Cognitive Training with Brain HQ",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Computerized Crossword Puzzles",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 276,
      "start_date": "2017-02-22",
      "completion_date": "2021-09-30",
      "has_results": false,
      "last_update_posted_date": "2023-02-17",
      "last_synced_at": "2026-06-27T00:21:47.679Z",
      "location_count": 2,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03035565"
    },
    {
      "nct_id": "NCT01814319",
      "title": "Repurposing Probenecid as a Positive Inotrope for the Treatment of Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Systolic Heart Failure"
      ],
      "interventions": [
        {
          "name": "Probenecid 1 gr oral twice daily",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 20,
      "start_date": "2013-03",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2015-08-26",
      "last_synced_at": "2026-06-27T00:21:47.679Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01814319"
    },
    {
      "nct_id": "NCT00050076",
      "title": "Safety and Efficacy Study of Once and Twice Daily Doses of MCC-135 in Subjects With Congestive Heart Failure.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Congestive Heart Failure"
      ],
      "interventions": [
        {
          "name": "MCC-135",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 204,
      "start_date": "2002-08",
      "completion_date": "2003-08",
      "has_results": false,
      "last_update_posted_date": "2012-02-02",
      "last_synced_at": "2026-06-27T00:21:47.679Z",
      "location_count": 53,
      "location_summary": "Phoenix, Arizona • Tucson, Arizona • Carmichael, California + 47 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Carmichael",
          "state": "California"
        },
        {
          "city": "Encinitas",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00050076"
    },
    {
      "nct_id": "NCT03005184",
      "title": "Mechanism(s) Underlying Cardiovascular Effects of ARB/NEP Inhibition - Aim 2",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure NYHA Class I",
        "Heart Failure NYHA Class II",
        "Heart Failure NYHA Class III"
      ],
      "interventions": [
        {
          "name": "Valsartan 80 mg bid",
          "type": "DRUG"
        },
        {
          "name": "Enalapril 10 mg bid",
          "type": "DRUG"
        },
        {
          "name": "Sacubitril-Valsartan 200 mg bid",
          "type": "DRUG"
        },
        {
          "name": "Icatibant",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 0,
      "start_date": "2017-09",
      "completion_date": "2020-01",
      "has_results": false,
      "last_update_posted_date": "2018-01-11",
      "last_synced_at": "2026-06-27T00:21:47.679Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03005184"
    },
    {
      "nct_id": "NCT00283361",
      "title": "ZP120 Add-on to Furosemide in Treatment of Acute or Sub-Acute Decompensated Heart Failure",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure, Congestive"
      ],
      "interventions": [
        {
          "name": "ZP120",
          "type": "DRUG"
        },
        {
          "name": "I.v. catherization",
          "type": "PROCEDURE"
        },
        {
          "name": "6-minutes walk performance",
          "type": "PROCEDURE"
        },
        {
          "name": "Dyspnea severity assessment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Blood sampling for laboratory tests",
          "type": "PROCEDURE"
        },
        {
          "name": "ECG",
          "type": "PROCEDURE"
        },
        {
          "name": "Physical examination",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "Zealand Pharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 130,
      "start_date": "2006-01",
      "completion_date": "2006-12",
      "has_results": false,
      "last_update_posted_date": "2007-02-28",
      "last_synced_at": "2026-06-27T00:21:47.679Z",
      "location_count": 22,
      "location_summary": "Los Angeles, California • San Diego, California • San Francisco, California + 17 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00283361"
    },
    {
      "nct_id": "NCT00007683",
      "title": "Warfarin and Antiplatelet Therapy in Chronic Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Warfarin titrated to an INR of 2.5-3.0",
          "type": "DRUG"
        },
        {
          "name": "Aspirin",
          "type": "DRUG"
        },
        {
          "name": "Clopidogrel 75",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1587,
      "start_date": "1998-10",
      "completion_date": "2004-12",
      "has_results": false,
      "last_update_posted_date": "2011-06-16",
      "last_synced_at": "2026-06-27T00:21:47.679Z",
      "location_count": 79,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 76 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "No. Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Downey",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00007683"
    },
    {
      "nct_id": "NCT01920711",
      "title": "Efficacy and Safety of LCZ696 Compared to Valsartan, on Morbidity and Mortality in Heart Failure Patients With Preserved Ejection Fraction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Heart Failure With Preserved Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "LCZ696",
          "type": "DRUG"
        },
        {
          "name": "Valsartan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 4822,
      "start_date": "2014-07-18",
      "completion_date": "2019-06-07",
      "has_results": true,
      "last_update_posted_date": "2020-09-29",
      "last_synced_at": "2026-06-27T00:21:47.679Z",
      "location_count": 110,
      "location_summary": "Huntsville, Alabama • Mobile, Alabama • Muscle Shoals, Alabama + 92 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Muscle Shoals",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01920711"
    }
  ]
}