{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Diastolic+function+assessment",
    "query": {
      "intervention": "Diastolic function assessment"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 27,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Diastolic+function+assessment&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-07T13:43:17.221Z",
  "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": "NCT04160000",
      "title": "Treatment Of Atrial Fibrillation In Preserved Cardiac Function Heart Failure",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Heart Failure",
        "Diastolic Heart Failure"
      ],
      "interventions": [
        {
          "name": "Catheter ablation",
          "type": "DEVICE"
        },
        {
          "name": "Rate or Rhythm control antiarrhythmic drugs for atrial fibrillation",
          "type": "DRUG"
        },
        {
          "name": "Insertion of CardioMems Hemodynamic monitor",
          "type": "DEVICE"
        },
        {
          "name": "Empiric heart failure drug therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Electrophysiology Research Foundation",
      "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": 360,
      "start_date": "2020-07-26",
      "completion_date": "2025-06-30",
      "has_results": false,
      "last_update_posted_date": "2024-05-23",
      "last_synced_at": "2026-09-07T13:43:17.221Z",
      "location_count": 7,
      "location_summary": "Flagstaff, Arizona • Jonesboro, Arkansas • Littleton, Colorado + 4 more",
      "locations": [
        {
          "city": "Flagstaff",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Littleton",
          "state": "Colorado"
        },
        {
          "city": "Overland",
          "state": "Missouri"
        },
        {
          "city": "Warren Township",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04160000"
    },
    {
      "nct_id": "NCT00170924",
      "title": "To Find Out Whether Valsartan With or Without Other Blood Pressure Medications Would Improve the Ability of the Heart to Fill and Empty, and the Ability of the Heart Muscle to Relax Adequately in People With High Blood Pressure.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Diastolic Dysfunction",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Valsartan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 317,
      "start_date": "2004-08",
      "completion_date": "2006-06",
      "has_results": false,
      "last_update_posted_date": "2011-11-08",
      "last_synced_at": "2026-09-07T13:43:17.221Z",
      "location_count": 1,
      "location_summary": "East Hanover, New Jersey",
      "locations": [
        {
          "city": "East Hanover",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00170924"
    },
    {
      "nct_id": "NCT02589977",
      "title": "Myocardial Perfusion, Oxidative Metabolism, and Fibrosis in HFpEF",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure, Diastolic",
        "Diastolic Heart Failure",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "regadenoson",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Marvin W. Kronenberg, M.D.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 55,
      "start_date": "2015-11",
      "completion_date": "2020-01-21",
      "has_results": true,
      "last_update_posted_date": "2021-02-02",
      "last_synced_at": "2026-09-07T13:43:17.221Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02589977"
    },
    {
      "nct_id": "NCT00590668",
      "title": "Safety Monitoring of Patients Having Pulmonary Vein Ablation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Transesophageal Echocardiography",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 42,
      "start_date": "2004-05",
      "completion_date": "2013-04",
      "has_results": false,
      "last_update_posted_date": "2017-02-03",
      "last_synced_at": "2026-09-07T13:43:17.221Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00590668"
    },
    {
      "nct_id": "NCT01252238",
      "title": "Assessment of Renin Inhibition on Insulin Sensitivity, Diastolic Function and Aortic Compliance",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Insulin Sensitivity",
        "Aortic Compliance",
        "Diastolic Function"
      ],
      "interventions": [
        {
          "name": "Aliskiren",
          "type": "DRUG"
        },
        {
          "name": "Valsartan and Aliskiren",
          "type": "DRUG"
        },
        {
          "name": "Amlodipine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "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": 24,
      "start_date": "2010-06",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2018-02-13",
      "last_synced_at": "2026-09-07T13:43:17.221Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01252238"
    },
    {
      "nct_id": "NCT02560467",
      "title": "Perfusion Imaging With Myocardial Contrast Echocardiography in HCM",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertrophic Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "Echo and myocardial contrast echocardiography perfusion imaging",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "19 Years to 80 Years"
      },
      "enrollment_count": 10,
      "start_date": "2015-12-01",
      "completion_date": "2019-09-15",
      "has_results": false,
      "last_update_posted_date": "2019-06-06",
      "last_synced_at": "2026-09-07T13:43:17.221Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02560467"
    },
    {
      "nct_id": "NCT05491668",
      "title": "Physiological Assessment of Severe Coronary Stenosis for Informing Planned PCI",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "Non-hyperemic pressure ratio assessment pre and post PCI",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 107,
      "start_date": "2022-10-11",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-09-07T13:43:17.221Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05491668"
    },
    {
      "nct_id": "NCT01185067",
      "title": "Physiological Effects of Grape Seed Extract in Diastolic Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Diastolic Heart Failure",
        "Hypertensive Heart Disease",
        "Heart Failure With Preserved Ejection Fraction",
        "Hypertension",
        "Oxidative Stress"
      ],
      "interventions": [
        {
          "name": "grape seed extract (MegaNatural BP, Polyphenolics, Inc.)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2010-10",
      "completion_date": "2014-02-24",
      "has_results": false,
      "last_update_posted_date": "2017-06-06",
      "last_synced_at": "2026-09-07T13:43:17.221Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01185067"
    },
    {
      "nct_id": "NCT02039154",
      "title": "The Effect of Long Duration Exercise on the Diastolic Function of the Heart",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aging"
      ],
      "interventions": [
        {
          "name": "Aerobic and strength training group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Balance and flexibility group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "45 Years to 64 Years"
      },
      "enrollment_count": 61,
      "start_date": "2012-07",
      "completion_date": "2016-06",
      "has_results": false,
      "last_update_posted_date": "2020-05-19",
      "last_synced_at": "2026-09-07T13:43:17.221Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02039154"
    },
    {
      "nct_id": "NCT03448185",
      "title": "Improving Metabolic Health in Patients With Diastolic Dysfunction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Heart Failure, Diastolic",
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "High intensity exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Omega-3 fish oil",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Yoga",
          "type": "BEHAVIORAL"
        },
        {
          "name": "olive oil capsules",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "40 Years to 60 Years"
      },
      "enrollment_count": 80,
      "start_date": "2015-06-01",
      "completion_date": "2019-07-01",
      "has_results": true,
      "last_update_posted_date": "2023-01-05",
      "last_synced_at": "2026-09-07T13:43:17.221Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03448185"
    }
  ]
}