{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Sympathetic+Nerve+Activity",
    "query": {
      "condition": "Sympathetic Nerve Activity"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 28,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Sympathetic+Nerve+Activity&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-24T23:10:18.058Z",
  "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": "NCT02939469",
      "title": "Skin Sympathetic Nerve Activity and Cardiac Arrhythmias",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sympathetic Nerve Activity"
      ],
      "interventions": [
        {
          "name": "Physiologic maneuvers",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 0,
      "start_date": "2016-11-01",
      "completion_date": "2018-11-01",
      "has_results": false,
      "last_update_posted_date": "2019-06-14",
      "last_synced_at": "2026-07-24T23:10:18.058Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02939469"
    },
    {
      "nct_id": "NCT04133701",
      "title": "Meal Timing and Blood Pressure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Blood Pressure",
        "Neurovascular Control"
      ],
      "interventions": [
        {
          "name": "Time-Restricted Feeding",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "50 Years to 65 Years"
      },
      "enrollment_count": 34,
      "start_date": "2022-02-02",
      "completion_date": "2022-12-16",
      "has_results": false,
      "last_update_posted_date": "2023-03-22",
      "last_synced_at": "2026-07-24T23:10:18.058Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04133701"
    },
    {
      "nct_id": "NCT03111017",
      "title": "Mechanisms and Management of Exercise Intolerance in Older Heart Failure Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure, Diastolic"
      ],
      "interventions": [
        {
          "name": "Exercise Training",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The University of Texas at Arlington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2017-04-17",
      "completion_date": "2019-12-12",
      "has_results": false,
      "last_update_posted_date": "2020-03-03",
      "last_synced_at": "2026-07-24T23:10:18.058Z",
      "location_count": 1,
      "location_summary": "Arlington, Texas",
      "locations": [
        {
          "city": "Arlington",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03111017"
    },
    {
      "nct_id": "NCT02264262",
      "title": "Noninvasive Measurement of Sympathetic Nerve Activity in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sympathetic Nerve Activity"
      ],
      "interventions": [
        {
          "name": "Physiologic maneuvers",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 4,
      "start_date": "2014-10",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2020-01-14",
      "last_synced_at": "2026-07-24T23:10:18.058Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02264262"
    },
    {
      "nct_id": "NCT00608348",
      "title": "Sympathetic Nerve Activity During Hypoglycemia and Exercise",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Hyperinsulinemic glucose clamp procedures",
          "type": "PROCEDURE"
        },
        {
          "name": "moderate exercise",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 36,
      "start_date": "2002-04",
      "completion_date": "2008-07",
      "has_results": false,
      "last_update_posted_date": "2015-06-10",
      "last_synced_at": "2026-07-24T23:10:18.058Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00608348"
    },
    {
      "nct_id": "NCT01048125",
      "title": "Characterization of Sympathetic Nerve Activity in Stress Cardiomyopathy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "Sympathetic Nerve Activity",
          "type": "DEVICE"
        },
        {
          "name": "Mental Stress Test (Color Word Test)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "The Modified Oxford Technique for Baroreflex Sensitivity",
          "type": "DRUG"
        },
        {
          "name": "Cold Pressor Test",
          "type": "OTHER"
        },
        {
          "name": "Echocardiographic evaluation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "21 Years to 90 Years"
      },
      "enrollment_count": 2,
      "start_date": "2009-08",
      "completion_date": "2012-07",
      "has_results": true,
      "last_update_posted_date": "2016-11-23",
      "last_synced_at": "2026-07-24T23:10:18.058Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01048125"
    },
    {
      "nct_id": "NCT06787066",
      "title": "Sympathetic Vascular Transduction Across the Menopause Transition: Contributing Mechanisms",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Menopause"
      ],
      "interventions": [
        {
          "name": "Propranolol Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Phentolamine Injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 70 Years · Female only"
      },
      "enrollment_count": 75,
      "start_date": "2025-07-10",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-09-15",
      "last_synced_at": "2026-07-24T23:10:18.058Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06787066"
    },
    {
      "nct_id": "NCT01816893",
      "title": "Hypoglycemia and Autonomic Nervous System Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypoglycemia"
      ],
      "interventions": [
        {
          "name": "Hypoglycemic hyperinsulinemic clamp",
          "type": "OTHER"
        },
        {
          "name": "Euglycemic hyperinsulinemic clamp",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "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": 22,
      "start_date": "2004-06-08",
      "completion_date": "2007-11-06",
      "has_results": true,
      "last_update_posted_date": "2018-04-02",
      "last_synced_at": "2026-07-24T23:10:18.058Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01816893"
    },
    {
      "nct_id": "NCT02724241",
      "title": "E-Cigarettes and SNA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "one time exposure to e-cig with nicotine",
          "type": "OTHER"
        },
        {
          "name": "One time exposure to e-cigarette without nicotine",
          "type": "OTHER"
        },
        {
          "name": "one time exposure to empty e-cigarette",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "21 Years to 45 Years"
      },
      "enrollment_count": 100,
      "start_date": "2015-04",
      "completion_date": "2021-12",
      "has_results": false,
      "last_update_posted_date": "2021-12-20",
      "last_synced_at": "2026-07-24T23:10:18.058Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02724241"
    },
    {
      "nct_id": "NCT03989492",
      "title": "Role of the Sympathetic Nervous System in Rosacea",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Rosacea"
      ],
      "interventions": [
        {
          "name": "systemic and local stressors",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Kristen Metzler-Wilson",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 40,
      "start_date": "2019-05-24",
      "completion_date": "2020-08-06",
      "has_results": false,
      "last_update_posted_date": "2025-09-23",
      "last_synced_at": "2026-07-24T23:10:18.058Z",
      "location_count": 2,
      "location_summary": "Indianapolis, Indiana • Lexington, Kentucky",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03989492"
    }
  ]
}