{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Heart+Failure+With+Reduced+Ejection+Fraction",
    "query": {
      "condition": "Chronic Heart Failure With Reduced Ejection Fraction"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 32,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Heart+Failure+With+Reduced+Ejection+Fraction&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T14:37:06.780Z",
  "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": "NCT06363110",
      "title": "An Observational Study to Learn More About Vericiguat Treatment Patterns and Its Safety in People With Chronic Heart Failure With Reduced Ejection Fraction in Routine Medical Care in the United States",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Heart Failure With Reduced Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "Vericiguat (Verquvo, BAY1021189)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1400,
      "start_date": "2024-04-10",
      "completion_date": "2024-06-24",
      "has_results": false,
      "last_update_posted_date": "2024-07-03",
      "last_synced_at": "2026-06-10T14:37:06.780Z",
      "location_count": 1,
      "location_summary": "Whippany, New Jersey",
      "locations": [
        {
          "city": "Whippany",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06363110"
    },
    {
      "nct_id": "NCT03448419",
      "title": "This Study Tests Empagliflozin in Patients With Chronic Heart Failure With Reduced Ejection Fraction (HFrEF). The Study Looks at How Far Patients Can Walk in 6 Minutes and at Their Heart Failure Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Empagliflozin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 312,
      "start_date": "2018-03-20",
      "completion_date": "2019-10-07",
      "has_results": true,
      "last_update_posted_date": "2020-11-27",
      "last_synced_at": "2026-06-10T14:37:06.780Z",
      "location_count": 41,
      "location_summary": "Mobile, Alabama • Saraland, Alabama • Huntington Beach, California + 37 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Saraland",
          "state": "Alabama"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Stockton",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03448419"
    },
    {
      "nct_id": "NCT03036124",
      "title": "Study to Evaluate the Effect of Dapagliflozin on the Incidence of Worsening Heart Failure or Cardiovascular Death in Patients With Chronic Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Heart Failure With Reduced Ejection Fraction (HFrEF)"
      ],
      "interventions": [
        {
          "name": "Dapagliflozin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "130 Years",
        "sex": "ALL",
        "summary": "18 Years to 130 Years"
      },
      "enrollment_count": 4744,
      "start_date": "2017-02-08",
      "completion_date": "2019-07-17",
      "has_results": true,
      "last_update_posted_date": "2020-09-01",
      "last_synced_at": "2026-06-10T14:37:06.780Z",
      "location_count": 86,
      "location_summary": "Fairhope, Alabama • Mobile, Alabama • Sheffield, Alabama + 74 more",
      "locations": [
        {
          "city": "Fairhope",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Sheffield",
          "state": "Alabama"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03036124"
    },
    {
      "nct_id": "NCT02120014",
      "title": "Blood Volume and Hemodynamic Analysis in Patients With Chronic Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congestive Heart Failure"
      ],
      "interventions": [
        {
          "name": "blood volume measurement",
          "type": "PROCEDURE"
        },
        {
          "name": "venous plethysmography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 60,
      "start_date": "2014-04-21",
      "completion_date": "2018-07-06",
      "has_results": false,
      "last_update_posted_date": "2018-10-24",
      "last_synced_at": "2026-06-10T14:37:06.780Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02120014"
    },
    {
      "nct_id": "NCT06215911",
      "title": "A Study to Assess Safety & Effectiveness of Tovinontrine in Chronic Heart Failure With Reduced Ejection Fraction (Cycle-1-REF)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure",
        "Heart Failure With Reduced Ejection Fraction",
        "Cardiovascular Diseases",
        "Heart Diseases"
      ],
      "interventions": [
        {
          "name": "Tovinontrine (CRD-750)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cardurion Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 557,
      "start_date": "2024-02-13",
      "completion_date": "2025-10-10",
      "has_results": false,
      "last_update_posted_date": "2025-11-17",
      "last_synced_at": "2026-06-10T14:37:06.780Z",
      "location_count": 26,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Beverly Hills, California + 23 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06215911"
    },
    {
      "nct_id": "NCT06108076",
      "title": "Acute and Chronic Effects of Oral Ketones in Subjects With HFrEF and Diabetes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Type 2 Diabetes",
        "Heart Failure, Reduced Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "Ketone Monoester (KE)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "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": 10,
      "start_date": "2024-01-16",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-21",
      "last_synced_at": "2026-06-10T14:37:06.780Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06108076"
    },
    {
      "nct_id": "NCT04793880",
      "title": "Cost and Shared Decision-Making for Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Heart Failure"
      ],
      "interventions": [
        {
          "name": "Medication Cost Information",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Heart Failure Medicines Checklist",
          "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": 247,
      "start_date": "2021-06-01",
      "completion_date": "2023-11-15",
      "has_results": false,
      "last_update_posted_date": "2023-12-15",
      "last_synced_at": "2026-06-10T14:37:06.780Z",
      "location_count": 4,
      "location_summary": "Aurora, Colorado • Atlanta, Georgia",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04793880"
    },
    {
      "nct_id": "NCT02992288",
      "title": "A Trial to Study Neladenoson Bialanate Over 20 Weeks in Patients With Chronic Heart Failure With Reduced Ejection Fraction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Neladenoson bialanate (BAY1067197)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 427,
      "start_date": "2017-02-22",
      "completion_date": "2018-05-16",
      "has_results": true,
      "last_update_posted_date": "2019-04-23",
      "last_synced_at": "2026-06-10T14:37:06.780Z",
      "location_count": 9,
      "location_summary": "Naples, Florida • Detroit, Michigan • Jackson, Mississippi + 6 more",
      "locations": [
        {
          "city": "Naples",
          "state": "Florida"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Jackson",
          "state": "Mississippi"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Kalispell",
          "state": "Montana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02992288"
    },
    {
      "nct_id": "NCT01951625",
      "title": "Phase IIb Safety and Efficacy Study of Four Dose Regimens of BAY1021189 in Patients With Heart Failure With Reduced Ejection Fraction Suffering From Worsening Chronic Heart Failure (SOCRATES-REDUCED)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Vericiguat (BAY1021189) (1.25 mg)",
          "type": "DRUG"
        },
        {
          "name": "Vericiguat (BAY1021189) (5 mg)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 456,
      "start_date": "2013-11-29",
      "completion_date": "2015-06-09",
      "has_results": true,
      "last_update_posted_date": "2021-03-25",
      "last_synced_at": "2026-06-10T14:37:06.780Z",
      "location_count": 18,
      "location_summary": "Fountain Valley, California • Wilmington, Delaware • Fort Lauderdale, Florida + 15 more",
      "locations": [
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Naples",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01951625"
    },
    {
      "nct_id": "NCT02970669",
      "title": "Study on the Effects of Sacubitril/Valsartan on Physical Activity and Sleep in Heart Failure With Reduced Ejection Fraction Patients.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure, Reduced Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "sacubitril/valsartan (LCZ696)",
          "type": "DRUG"
        },
        {
          "name": "enalapril",
          "type": "DRUG"
        },
        {
          "name": "matching placebo sacubitril/valsartan (LCZ696)",
          "type": "DRUG"
        },
        {
          "name": "matching placebo enalapril",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 140,
      "start_date": "2016-12-16",
      "completion_date": "2018-03-19",
      "has_results": true,
      "last_update_posted_date": "2021-10-07",
      "last_synced_at": "2026-06-10T14:37:06.780Z",
      "location_count": 23,
      "location_summary": "Fort Payne, Alabama • Beverly Hills, California • Stockton, California + 20 more",
      "locations": [
        {
          "city": "Fort Payne",
          "state": "Alabama"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Stockton",
          "state": "California"
        },
        {
          "city": "West Hills",
          "state": "California"
        },
        {
          "city": "Doral",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02970669"
    }
  ]
}