{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=DAXOR",
    "query": {
      "intervention": "DAXOR"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 9,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T20:07:56.998Z",
  "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": "NCT01001312",
      "title": "Safety and Efficacy of Direct Blood Volume Measurement in the Treatment of Heart Failure",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Daxor Blood Volume Analysis",
          "type": "OTHER"
        },
        {
          "name": "Clinical volume status assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2010-10",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2015-10-09",
      "last_synced_at": "2026-09-04T20:07:56.998Z",
      "location_count": 9,
      "location_summary": "Honolulu, Hawaii • Chicago, Illinois • Baltimore, Maryland + 5 more",
      "locations": [
        {
          "city": "Honolulu",
          "state": "Hawaii"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Ridgewood",
          "state": "New Jersey"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01001312"
    },
    {
      "nct_id": "NCT02717533",
      "title": "Blood Volume Analysis and Renal Outcomes in Hemodialysis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "End Stage Renal Failure on Dialysis",
        "Actual Impaired Fluid Volume",
        "Kidney Failure"
      ],
      "interventions": [
        {
          "name": "dry weight adjustment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "VA New York Harbor Healthcare System",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2014-01",
      "completion_date": "2015-01",
      "has_results": false,
      "last_update_posted_date": "2016-03-23",
      "last_synced_at": "2026-09-04T20:07:56.998Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02717533"
    },
    {
      "nct_id": "NCT00608725",
      "title": "Pathophysiology of Orthostatic Intolerance",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tachycardia",
        "Postural Orthostatic Tachycardia Syndrome"
      ],
      "interventions": [
        {
          "name": "DAXOR",
          "type": "RADIATION"
        },
        {
          "name": "QSweat",
          "type": "PROCEDURE"
        },
        {
          "name": "Intrinsic Heart Rate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Satish R. Raj",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 260,
      "start_date": "1996-12",
      "completion_date": "2029-12",
      "has_results": false,
      "last_update_posted_date": "2025-10-08",
      "last_synced_at": "2026-09-04T20:07:56.998Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00608725"
    },
    {
      "nct_id": "NCT04660396",
      "title": "Monitoring Outpatient Blood VolumE in Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "BVA-100",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Daxor Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2021-09-16",
      "completion_date": "2022-07-30",
      "has_results": false,
      "last_update_posted_date": "2023-09-29",
      "last_synced_at": "2026-09-04T20:07:56.998Z",
      "location_count": 1,
      "location_summary": "Danville, Pennsylvania",
      "locations": [
        {
          "city": "Danville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04660396"
    },
    {
      "nct_id": "NCT04111185",
      "title": "Daxor - Blood Volume Analysis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure",
        "Congestive Heart Failure"
      ],
      "interventions": [
        {
          "name": "Receive Blood Volume Analysis Guided Treatment",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2020-07-16",
      "completion_date": "2021-09-23",
      "has_results": true,
      "last_update_posted_date": "2023-06-28",
      "last_synced_at": "2026-09-04T20:07:56.998Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04111185"
    },
    {
      "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": "2026-09-04T20:07:56.998Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00603213"
    },
    {
      "nct_id": "NCT01563107",
      "title": "Dietary Sodium's Effect on Urinary Sodium and Dopamine Excretion in Patients With Postural Tachycardia Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postural Orthostatic Tachycardia Syndrome"
      ],
      "interventions": [
        {
          "name": "Plasma Volume",
          "type": "RADIATION"
        },
        {
          "name": "Exercise Capacity Test - Bicycle",
          "type": "PROCEDURE"
        },
        {
          "name": "Posture Study",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 38,
      "start_date": "2012-03",
      "completion_date": "2020-12",
      "has_results": true,
      "last_update_posted_date": "2022-01-25",
      "last_synced_at": "2026-09-04T20:07:56.998Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01563107"
    },
    {
      "nct_id": "NCT01547117",
      "title": "Dietary Salt in Postural Tachycardia Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postural Orthostatic Tachycardia Syndrome"
      ],
      "interventions": [
        {
          "name": "Blood Volume",
          "type": "RADIATION"
        },
        {
          "name": "Total Blood Volume",
          "type": "RADIATION"
        },
        {
          "name": "Exercise Capacity Test - Bicycle",
          "type": "PROCEDURE"
        },
        {
          "name": "Posture Study",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 38,
      "start_date": "2012-03",
      "completion_date": "2021-12",
      "has_results": true,
      "last_update_posted_date": "2022-02-22",
      "last_synced_at": "2026-09-04T20:07:56.998Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01547117"
    },
    {
      "nct_id": "NCT02725060",
      "title": "Autoimmune Basis for Postural Tachycardia Syndrome",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postural Orthostatic Tachycardia Syndrome",
        "Postural Tachycardia Syndrome",
        "Tachycardia",
        "Arrhythmias, Cardiac",
        "Autonomic Nervous System Diseases",
        "Orthostatic Intolerance",
        "Cardiovascular Diseases",
        "Primary Dysautonomias"
      ],
      "interventions": [
        {
          "name": "phenylephrine",
          "type": "DRUG"
        },
        {
          "name": "isoproterenol",
          "type": "DRUG"
        },
        {
          "name": "25 micro-Ci of radiation",
          "type": "RADIATION"
        },
        {
          "name": "Posture study with blood samples",
          "type": "PROCEDURE"
        },
        {
          "name": "24-hour heart rhythm and blood pressure monitoring",
          "type": "PROCEDURE"
        },
        {
          "name": "Quantitative Axonal Sudomotor Reflex Testing",
          "type": "PROCEDURE"
        },
        {
          "name": "Autonomic function tests",
          "type": "PROCEDURE"
        },
        {
          "name": "Rebreathing test",
          "type": "OTHER"
        },
        {
          "name": "Assessment of splanchnic capacitance",
          "type": "OTHER"
        },
        {
          "name": "microneurography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 58,
      "start_date": "2016-02",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-11-12",
      "last_synced_at": "2026-09-04T20:07:56.998Z",
      "location_count": 2,
      "location_summary": "Oklahoma City, Oklahoma • Nashville, Tennessee",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02725060"
    }
  ]
}