{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+Volume+Analysis%2C+Echocardiogram",
    "query": {
      "intervention": "Blood Volume Analysis, Echocardiogram"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 8,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T08:37:06.001Z",
  "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": "NCT01334801",
      "title": "Biomarkers in Aortic Stenosis - B.A.S.S.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Aortic Stenosis",
        "Disorder of Prosthetic Cardiac Valve",
        "Aortic Valve Insufficiency",
        "Mitral Valve Insufficiency",
        "Hypertrophic Cardiomyopathy",
        "Tricuspid Valve Insufficiency"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 378,
      "start_date": "2010-07",
      "completion_date": "2020-01-31",
      "has_results": false,
      "last_update_posted_date": "2022-05-05",
      "last_synced_at": "2026-09-25T08:37:06.001Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01334801"
    },
    {
      "nct_id": "NCT03952637",
      "title": "A Phase 1/2 Study of Intravenous Gene Transfer With an AAV9 Vector Expressing Human Beta-galactosidase in Type I and Type II GM1 Gangliosidosis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Lysosomal Diseases",
        "Gangliosidosis",
        "GM1"
      ],
      "interventions": [
        {
          "name": "AAV9-GLB1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Abdominal ultrasound",
          "type": "PROCEDURE"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "Sirolimus",
          "type": "DRUG"
        },
        {
          "name": "Methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Audiology assessment with ABR",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Bone density scan (DEXA)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Electrocardiogram (EKG)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Echocardiogram",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Electroencephalogram (EEG) awake and extended overnight",
          "type": "OTHER"
        },
        {
          "name": "Laboratory tests",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Lumbar puncture",
          "type": "PROCEDURE"
        },
        {
          "name": "Brain MRI/MRS/fMRI",
          "type": "PROCEDURE"
        },
        {
          "name": "Neurocognitive testing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Neurology exam",
          "type": "OTHER"
        },
        {
          "name": "PICC or other Central line placement",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Skeletal survey",
          "type": "PROCEDURE"
        },
        {
          "name": "Skin biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Speech and modified barium swallow study",
          "type": "PROCEDURE"
        },
        {
          "name": "Ophthalmology exam",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE",
        "DRUG",
        "DIAGNOSTIC_TEST",
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "National Human Genome Research Institute (NHGRI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "6 Months to 12 Years"
      },
      "enrollment_count": 54,
      "start_date": "2019-08-19",
      "completion_date": "2030-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-21",
      "last_synced_at": "2026-09-25T08:37:06.001Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03952637"
    },
    {
      "nct_id": "NCT00587808",
      "title": "Mechanisms in Heart Failure With Normal EF",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "RHC with VO2 consumption",
          "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": 14,
      "start_date": "2007-11",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2012-02-07",
      "last_synced_at": "2026-09-25T08:37:06.001Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00587808"
    },
    {
      "nct_id": "NCT00603213",
      "title": "Correlation of Intrathoracic Impedance Measures With Blood Plasma Volume in Congestive Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congestive Heart Failure"
      ],
      "interventions": [
        {
          "name": "Blood Volume Analysis, Echocardiogram",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2007-01",
      "completion_date": "2011-02",
      "has_results": false,
      "last_update_posted_date": "2013-05-22",
      "last_synced_at": "2026-09-25T08:37:06.001Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00603213"
    },
    {
      "nct_id": "NCT03382106",
      "title": "Smoking Cessation and Functional CT Assessment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Emphysema"
      ],
      "interventions": [
        {
          "name": "Sildenafil 20 MG",
          "type": "DRUG"
        },
        {
          "name": "Placebo Oral Tablet",
          "type": "DRUG"
        },
        {
          "name": "Pulse wave velocity",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Carotid artery compliance and stiffness",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Pressure wave reflection",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Eric A. Hoffman",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 162,
      "start_date": "2018-03-19",
      "completion_date": "2024-09-24",
      "has_results": false,
      "last_update_posted_date": "2025-02-14",
      "last_synced_at": "2026-09-25T08:37:06.001Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03382106"
    },
    {
      "nct_id": "NCT03407287",
      "title": "Peripheral Venous Analysis (PIVA) for Predicting Volume Responsiveness and Fluid Status",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Systemic Inflammatory Response Syndrome",
        "Distributive Shock",
        "Hypotension and Shock",
        "Decompensated Congestive Heart Failure",
        "Atrial Fibrillation",
        "High Risk Non-cardiac Surgery"
      ],
      "interventions": [
        {
          "name": "Peripheral Intravenous Analysis (PIVA)",
          "type": "PROCEDURE"
        },
        {
          "name": "Standard of care invasive vascular monitoring",
          "type": "PROCEDURE"
        },
        {
          "name": "Standard noninvasive vascular monitoring",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt University 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": 180,
      "start_date": "2018-01-08",
      "completion_date": "2020-12-01",
      "has_results": false,
      "last_update_posted_date": "2021-04-12",
      "last_synced_at": "2026-09-25T08:37:06.001Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03407287"
    },
    {
      "nct_id": "NCT02238327",
      "title": "Longitudinal Evaluation of HIV-associated Lung Disease Phenotypes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease",
        "HIV",
        "Emphysema"
      ],
      "interventions": [
        {
          "name": "blood draw",
          "type": "PROCEDURE"
        },
        {
          "name": "questionnaires",
          "type": "PROCEDURE"
        },
        {
          "name": "Lung function testing",
          "type": "PROCEDURE"
        },
        {
          "name": "Six-Minute walk test",
          "type": "PROCEDURE"
        },
        {
          "name": "Quantitative CT scans",
          "type": "RADIATION"
        },
        {
          "name": "Nasal secretion and cell collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiogram",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "University of Pittsburgh",
      "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": 232,
      "start_date": "2014-09",
      "completion_date": "2020-03-02",
      "has_results": false,
      "last_update_posted_date": "2020-10-08",
      "last_synced_at": "2026-09-25T08:37:06.001Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02238327"
    },
    {
      "nct_id": "NCT04713657",
      "title": "Beta-blocker Administration for Cardiomyocyte Division",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Tetralogy of Fallot",
        "Double Outlet Right Ventricle"
      ],
      "interventions": [
        {
          "name": "N-thymidine",
          "type": "OTHER"
        },
        {
          "name": "Urine Collection",
          "type": "OTHER"
        },
        {
          "name": "Echocardiogram",
          "type": "PROCEDURE"
        },
        {
          "name": "Cardiac MRI (CMR)",
          "type": "PROCEDURE"
        },
        {
          "name": "Propranolol Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Physical Exam",
          "type": "PROCEDURE"
        },
        {
          "name": "Specimen Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Days",
        "maximum_age": "60 Days",
        "sex": "ALL",
        "summary": "30 Days to 60 Days"
      },
      "enrollment_count": 40,
      "start_date": "2022-12-16",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-11-18",
      "last_synced_at": "2026-09-25T08:37:06.001Z",
      "location_count": 3,
      "location_summary": "New York, New York • Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04713657"
    }
  ]
}