{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Diastolic+Function&page=3",
    "query": {
      "condition": "Diastolic Function",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 59,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Diastolic+Function&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Diastolic+Function&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T18:51:49.369Z",
  "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": "NCT04143997",
      "title": "Diastolic Dysfunction PPCM in Patients With Documented Left Ventricular Systolic Function Recovery",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Peripartum Cardiomyopathy",
        "Diastolic Dysfunction"
      ],
      "interventions": [
        {
          "name": "A clinical Transthoracic echocardiogram",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Medical College of Wisconsin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2019-11-01",
      "completion_date": "2021-01-29",
      "has_results": false,
      "last_update_posted_date": "2024-08-23",
      "last_synced_at": "2026-10-21T18:51:49.369Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04143997"
    },
    {
      "nct_id": "NCT02693002",
      "title": "Estrogen Diastolic Heart Failure",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Menopause"
      ],
      "interventions": [
        {
          "name": "Estradiol/Norethindrone acetate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gretchen Wells",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 55 Years · Female only"
      },
      "enrollment_count": 4,
      "start_date": "2016-02",
      "completion_date": "2016-11",
      "has_results": true,
      "last_update_posted_date": "2018-08-08",
      "last_synced_at": "2026-10-21T18:51:49.369Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02693002"
    },
    {
      "nct_id": "NCT00125476",
      "title": "Effects of Exercise Training on Diastolic Heart Function in Postmenopausal Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure, Congestive",
        "Cardiovascular Diseases"
      ],
      "interventions": [
        {
          "name": "Exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 75 Years · Female only"
      },
      "enrollment_count": 215,
      "start_date": "2004-07",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2006-10-11",
      "last_synced_at": "2026-10-21T18:51:49.369Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00125476"
    },
    {
      "nct_id": "NCT04767061",
      "title": "Impact of Beta-blockers on Physical Function in HFpEF",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure",
        "Heart Failure, Diastolic",
        "Heart Failure With Preserved Ejection Fraction",
        "Cardiac Failure",
        "Heart Disease"
      ],
      "interventions": [
        {
          "name": "Beta blockers",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2021-04-01",
      "completion_date": "2023-04-28",
      "has_results": true,
      "last_update_posted_date": "2023-09-08",
      "last_synced_at": "2026-10-21T18:51:49.369Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04767061"
    },
    {
      "nct_id": "NCT01431027",
      "title": "Left Ventricular Torsional Hysteresis: A Global Parameter for Diastolic Function",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure",
        "Diastolic Heart Failure",
        "Heart Failure With Normal Ejection Fraction"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2011-08",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2015-08-18",
      "last_synced_at": "2026-10-21T18:51:49.369Z",
      "location_count": 2,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01431027"
    },
    {
      "nct_id": "NCT00064727",
      "title": "Rosiglitazone to Treat Patients With Heart Failure and Glucose Intolerance or Type II Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Congestive Heart Failure"
      ],
      "interventions": [
        {
          "name": "Avandia (Rosiglitazone)",
          "type": "DRUG"
        },
        {
          "name": "Avanclia (Rosiqlitazone)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2003-07-09",
      "completion_date": "2007-04-11",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-10-21T18:51:49.369Z",
      "location_count": 2,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00064727"
    },
    {
      "nct_id": "NCT00068159",
      "title": "Cardiac Function in Patients With Hereditary Hemochromatosis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hereditary Hemochromatosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "21 Years to 100 Years"
      },
      "enrollment_count": 70,
      "start_date": "2003-12-08",
      "completion_date": "2022-07-06",
      "has_results": false,
      "last_update_posted_date": "2024-05-03",
      "last_synced_at": "2026-10-21T18:51:49.369Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00068159"
    },
    {
      "nct_id": "NCT00011076",
      "title": "Pirfenidone to Treat Hypertrophic Cardiomyopathy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypertrophic Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "Pirfenidone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 50,
      "start_date": "2001-02",
      "completion_date": "2003-04",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-10-21T18:51:49.369Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00011076"
    },
    {
      "nct_id": "NCT00286182",
      "title": "Anemia in Heart Failure With a Preserved Ejection Fraction (HFPEF)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anemia"
      ],
      "interventions": [
        {
          "name": "Erythropoietin alpha",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mathew S. Maurer",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 56,
      "start_date": "2007-07",
      "completion_date": "2012-11",
      "has_results": true,
      "last_update_posted_date": "2017-03-10",
      "last_synced_at": "2026-10-21T18:51:49.369Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00286182"
    },
    {
      "nct_id": "NCT05058833",
      "title": "Prognostic Impact of Cardiac Diastolic Function and Coronary Microvascular Function",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ischemic Heart Disease",
        "Microvascular Coronary Artery Disease",
        "Diastolic Dysfunction",
        "Heart Failure With Preserved Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "Echocardiography",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Coronary flow reserve and index of microcirculatory dysfunction",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Samsung Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 800,
      "start_date": "2016-04-08",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-03-14",
      "last_synced_at": "2026-10-21T18:51:49.369Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05058833"
    }
  ]
}