{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Diastolic+function+assessment&page=2",
    "query": {
      "intervention": "Diastolic function assessment",
      "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?intervention=Diastolic+function+assessment&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-13T22:44:19.711Z",
  "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": "NCT03170375",
      "title": "Dietary Prevention of Heart Failure in Hypertensive Metabolic Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Performance of WHEELS-I in promoting DASH/SRD adoption",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 71,
      "start_date": "2019-01-02",
      "completion_date": "2025-01-23",
      "has_results": true,
      "last_update_posted_date": "2025-09-10",
      "last_synced_at": "2026-09-13T22:44:19.711Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03170375"
    },
    {
      "nct_id": "NCT04221594",
      "title": "Quantification of Myocardial Blood Flow Using Dynamic PET/CTA Fused Imagery",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "Invasive Cardiac Catheterization (ICA)",
          "type": "PROCEDURE"
        },
        {
          "name": "Coronary Computed Tomographic Angiogram (CCTA)",
          "type": "PROCEDURE"
        },
        {
          "name": "Dynamic Cardiac Positron Emission Tomography (dPET)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 68,
      "start_date": "2019-11-01",
      "completion_date": "2023-06-30",
      "has_results": false,
      "last_update_posted_date": "2023-10-02",
      "last_synced_at": "2026-09-13T22:44:19.711Z",
      "location_count": 3,
      "location_summary": "Atlanta, Georgia • Roslyn, New York",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Roslyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04221594"
    },
    {
      "nct_id": "NCT04177225",
      "title": "Effect of Diastolic Dysfunction on Dynamic Cardiac Monitors",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Stroke Volume Variation",
        "Diastolic Dysfunction"
      ],
      "interventions": [
        {
          "name": "Trans thoracic Ultrasound Examination",
          "type": "PROCEDURE"
        },
        {
          "name": "Intravenous fluid administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2019-02-07",
      "completion_date": "2021-02-01",
      "has_results": false,
      "last_update_posted_date": "2021-02-12",
      "last_synced_at": "2026-09-13T22:44:19.711Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04177225"
    },
    {
      "nct_id": "NCT01182805",
      "title": "Radiofrequency-based Speckle Tracking Echocardiography to Evaluate Diastolic Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure, Diastolic"
      ],
      "interventions": [
        {
          "name": "Echocardiography system Ultra DCI Model 5000",
          "type": "DEVICE"
        },
        {
          "name": "Echocardiography machine GE Vivid E9",
          "type": "DEVICE"
        },
        {
          "name": "Diastolic function assessment",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2010-08",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2023-10-16",
      "last_synced_at": "2026-09-13T22:44:19.711Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01182805"
    },
    {
      "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": "2026-09-13T22:44:19.711Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05058833"
    },
    {
      "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": "2026-09-13T22:44:19.711Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02589977"
    },
    {
      "nct_id": "NCT00781508",
      "title": "Effects of Viagra on Heart Function in Patients With Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure",
        "Left Ventricular Dysfunction"
      ],
      "interventions": [
        {
          "name": "sildenafil",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "MetroHealth Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "25 Years to 75 Years"
      },
      "enrollment_count": 10,
      "start_date": "2006-12",
      "completion_date": "2009-11",
      "has_results": true,
      "last_update_posted_date": "2014-07-02",
      "last_synced_at": "2026-09-13T22:44:19.711Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00781508"
    },
    {
      "nct_id": "NCT01778894",
      "title": "Mathematical Modeling to Determine Basic Muscle Properties in the Failing Heart",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diastolic Heart Failure"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 37,
      "start_date": "2013-09-01",
      "completion_date": "2022-02-03",
      "has_results": false,
      "last_update_posted_date": "2023-08-29",
      "last_synced_at": "2026-09-13T22:44:19.711Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01778894"
    },
    {
      "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": "2026-09-13T22:44:19.711Z",
      "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": "2026-09-13T22:44:19.711Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05491668"
    }
  ]
}