{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Failure+With+Preserved+Ejection+Fraction&page=2",
    "query": {
      "condition": "Heart Failure With Preserved Ejection Fraction",
      "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+Failure+With+Preserved+Ejection+Fraction&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-11T11:05:19.129Z",
  "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": "NCT06015776",
      "title": "Purinergic Signaling and the Postmenopausal Heart",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diastolic Heart Failure",
        "Heart Failure With Preserved Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "Gender",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "88 Years",
        "sex": "ALL",
        "summary": "30 Years to 88 Years"
      },
      "enrollment_count": 500,
      "start_date": "2019-07-01",
      "completion_date": "2030-06",
      "has_results": false,
      "last_update_posted_date": "2026-03-20",
      "last_synced_at": "2026-06-11T11:05:19.129Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06015776"
    },
    {
      "nct_id": "NCT04113291",
      "title": "Randomized Controlled Pilot Trial of DASH Feeding in Older Low Socioeconomic Adults Without Heart Failure",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure",
        "Heart Failure With Preserved Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "DASH Diet",
          "type": "OTHER"
        },
        {
          "name": "Usual diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "60 Years to 74 Years"
      },
      "enrollment_count": 0,
      "start_date": "2021-12",
      "completion_date": "2022-06",
      "has_results": false,
      "last_update_posted_date": "2020-10-05",
      "last_synced_at": "2026-06-11T11:05:19.129Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04113291"
    },
    {
      "nct_id": "NCT06793371",
      "title": "AMBER-HFpEF: Assessment of CK-4021586 in a Multi-Center, Blinded Evaluation of Safety and Tolerability Results in HFpEF",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Symptomatic Heart Failure With Preserved Ejection Fraction (HFpEF)"
      ],
      "interventions": [
        {
          "name": "CK-4021586 (150 mg, 300 mg, 450 mg, and 600 mg)",
          "type": "DRUG"
        },
        {
          "name": "Placebo to match CK-4021586",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cytokinetics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "40 Years to 85 Years"
      },
      "enrollment_count": 60,
      "start_date": "2025-02-06",
      "completion_date": "2026-09",
      "has_results": false,
      "last_update_posted_date": "2026-05-29",
      "last_synced_at": "2026-06-11T11:05:19.129Z",
      "location_count": 25,
      "location_summary": "Fairhope, Alabama • Tucson, Arizona • Little Rock, Arkansas + 21 more",
      "locations": [
        {
          "city": "Fairhope",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Imperial",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06793371"
    },
    {
      "nct_id": "NCT07219511",
      "title": "A Safety, Tolerability, and Biomarker Trial of VS-041 in Participants With Heart Failure With Preserved Ejection Fraction (HFpEF)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Heart",
        "Heart Failure With Preserved Ejection Fraction (HFPEF)"
      ],
      "interventions": [
        {
          "name": "VS-041",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Vasa Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 42,
      "start_date": "2025-11-04",
      "completion_date": "2026-07",
      "has_results": false,
      "last_update_posted_date": "2026-04-09",
      "last_synced_at": "2026-06-11T11:05:19.129Z",
      "location_count": 21,
      "location_summary": "Little Rock, Arkansas • Huntington Beach, California • Santa Maria, California + 18 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Santa Maria",
          "state": "California"
        },
        {
          "city": "Van Nuys",
          "state": "California"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07219511"
    },
    {
      "nct_id": "NCT06671314",
      "title": "Heart Failure Therapy and Outcomes in Patients With Heart Failure With Mildly Reduced or Preserved Ejection Fraction",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure With Reduced Ejection Fraction",
        "Heart Failure With Preserved Ejection Fraction"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Novartis",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 42494,
      "start_date": "2022-06-02",
      "completion_date": "2022-10-31",
      "has_results": false,
      "last_update_posted_date": "2024-11-04",
      "last_synced_at": "2026-06-11T11:05:19.129Z",
      "location_count": 1,
      "location_summary": "East Hanover, New Jersey",
      "locations": [
        {
          "city": "East Hanover",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06671314"
    },
    {
      "nct_id": "NCT00586833",
      "title": "Heart Failure and a Preserved Ejection Fraction",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "O2 consumption max bike test",
          "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": 51,
      "start_date": "2007-04",
      "completion_date": "2009-06",
      "has_results": false,
      "last_update_posted_date": "2010-10-14",
      "last_synced_at": "2026-06-11T11:05:19.129Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00586833"
    },
    {
      "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": "2026-06-11T11:05:19.129Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02120014"
    },
    {
      "nct_id": "NCT02262078",
      "title": "Inhaled Sodium Nitrite on Heart Failure With Preserved Ejection Fraction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Sodium Nitrite Inhalation Solution",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "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": 26,
      "start_date": "2014-10",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2017-08-29",
      "last_synced_at": "2026-06-11T11:05:19.129Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02262078"
    },
    {
      "nct_id": "NCT04327024",
      "title": "Study of Verinurad in Heart Failure With Preserved Ejection Fraction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure With Preserved Ejection Fraction (HFpEF)"
      ],
      "interventions": [
        {
          "name": "Verinurad",
          "type": "DRUG"
        },
        {
          "name": "Allopurinol",
          "type": "DRUG"
        },
        {
          "name": "Placebo for verinurad",
          "type": "DRUG"
        },
        {
          "name": "Placebo for allopurinol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "130 Years",
        "sex": "ALL",
        "summary": "40 Years to 130 Years"
      },
      "enrollment_count": 159,
      "start_date": "2020-05-19",
      "completion_date": "2022-04-29",
      "has_results": true,
      "last_update_posted_date": "2023-06-29",
      "last_synced_at": "2026-06-11T11:05:19.129Z",
      "location_count": 8,
      "location_summary": "Granada Hills, California • Northridge, California • Torrance, California + 5 more",
      "locations": [
        {
          "city": "Granada Hills",
          "state": "California"
        },
        {
          "city": "Northridge",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Pembroke Pines",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04327024"
    },
    {
      "nct_id": "NCT04546555",
      "title": "Physiologic Accelerated Pacing as a Treatment in Patients With Heart Failure With Preserved Ejection Fraction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure, Diastolic"
      ],
      "interventions": [
        {
          "name": "Dual chamber pacemaker",
          "type": "DEVICE"
        },
        {
          "name": "Accelerated Physiologic Pacing",
          "type": "OTHER"
        },
        {
          "name": "Nocturnal Pacing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Daniel L Lustgarten",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2021-02-23",
      "completion_date": "2023-05-25",
      "has_results": false,
      "last_update_posted_date": "2023-07-28",
      "last_synced_at": "2026-06-11T11:05:19.129Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04546555"
    }
  ]
}