{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Autonomic+function+tests",
    "query": {
      "intervention": "Autonomic function tests"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 41,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Autonomic+function+tests&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T10:36:23.284Z",
  "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": "NCT01593579",
      "title": "Autonomic Phenotype Before and After Akt Inhibition",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diagnosis of Melanoma"
      ],
      "interventions": [
        {
          "name": "Autonomic Function Tests",
          "type": "BEHAVIORAL"
        },
        {
          "name": "supine and standing catecholamines",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Vanderbilt University",
      "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": 0,
      "start_date": "2012-05",
      "completion_date": "2016-05",
      "has_results": false,
      "last_update_posted_date": "2014-12-23",
      "last_synced_at": "2026-09-06T10:36:23.284Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01593579"
    },
    {
      "nct_id": "NCT03911609",
      "title": "Cardiovascular Autonomic Function and Endogenous Pain Modulation",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fibromyalgia",
        "Exercise",
        "Pain",
        "Autonomic Dysfunction",
        "Physical Activity"
      ],
      "interventions": [
        {
          "name": "Exercise",
          "type": "OTHER"
        },
        {
          "name": "Cognitive Task",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Marquette University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 250,
      "start_date": "2019-03-20",
      "completion_date": "2022-12-30",
      "has_results": false,
      "last_update_posted_date": "2019-04-11",
      "last_synced_at": "2026-09-06T10:36:23.284Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03911609"
    },
    {
      "nct_id": "NCT01568177",
      "title": "Cardiac Autonomic Function in Women with Microvascular Coronary Dysfunction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Microvascular Coronary Dysfunction"
      ],
      "interventions": [
        {
          "name": "Mental Stress Testing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Peripheral Arterial Tonometry (PAT) Testing",
          "type": "OTHER"
        },
        {
          "name": "Heart Rate Variability (HRV)",
          "type": "OTHER"
        },
        {
          "name": "RESPeRATE Breathing Trial",
          "type": "OTHER"
        },
        {
          "name": "SPECT cardiac scan with 123I-mIBG and Myoview",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 105,
      "start_date": "2011-02",
      "completion_date": "2024-02",
      "has_results": false,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-09-06T10:36:23.284Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01568177"
    },
    {
      "nct_id": "NCT07071350",
      "title": "Randomized Controlled Trial of Treatment to Optimize Heart Rate Variability for Persistent Post-Concussion Symptoms",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Autonomic Nervous System Disease",
        "Concussive Injury",
        "Mild Traumatic Brain Injury",
        "Post Traumatic Stress Disorder",
        "Persistent Post Concussion Syndrome"
      ],
      "interventions": [
        {
          "name": "HRV Coherence Ratio",
          "type": "OTHER"
        },
        {
          "name": "NSI",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pittsburgh Sleep Quality Index (PSQI)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quantitative Sleep Measures",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Global Impression of Change (PGIC)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cognitive Performance/NIH Toolbox Cognitive Battery",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pain Interference/TBI-QoL Pain Interference Short-Form",
          "type": "OTHER"
        },
        {
          "name": "Patient Health Questionnaire-9 (PHQ-9)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "PTSD Checklist for DSM-5 (PCL-5)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "HRV Biofeedback (HRV-B)",
          "type": "OTHER"
        },
        {
          "name": "Psychoeducational (Edu) Comparator Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 148,
      "start_date": "2025-09-02",
      "completion_date": "2028-09",
      "has_results": false,
      "last_update_posted_date": "2025-09-17",
      "last_synced_at": "2026-09-06T10:36:23.284Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07071350"
    },
    {
      "nct_id": "NCT00748059",
      "title": "The Pathophysiology of Orthostatic Hypotension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Autonomic Nervous System Diseases",
        "Orthostatic Hypotension",
        "Dopamine Beta-Hydroxylase Deficiency",
        "Orthostatic Intolerance"
      ],
      "interventions": [
        {
          "name": "Standing or upright tilt",
          "type": "PROCEDURE"
        },
        {
          "name": "Microneurography",
          "type": "PROCEDURE"
        },
        {
          "name": "QSweat",
          "type": "PROCEDURE"
        },
        {
          "name": "neck cuff stimulation",
          "type": "DEVICE"
        },
        {
          "name": "phenylephrine,isoproterenol,nitroprusside,propranolol,edrophonium,atropine,tyramine",
          "type": "DRUG"
        },
        {
          "name": "clonidine,yohimbine,metoclopramide,alpha-methyldopa",
          "type": "DRUG"
        },
        {
          "name": "BodPod",
          "type": "PROCEDURE"
        },
        {
          "name": "Eye exam",
          "type": "PROCEDURE"
        },
        {
          "name": "Sleep study",
          "type": "PROCEDURE"
        },
        {
          "name": "Pain response testing",
          "type": "PROCEDURE"
        },
        {
          "name": "Metabolic chamber",
          "type": "PROCEDURE"
        },
        {
          "name": "Brain function studies",
          "type": "PROCEDURE"
        },
        {
          "name": "Bicycle Exercise Test",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "12 Years to 70 Years"
      },
      "enrollment_count": 10,
      "start_date": "1996-12",
      "completion_date": "2020-12",
      "has_results": false,
      "last_update_posted_date": "2021-05-12",
      "last_synced_at": "2026-09-06T10:36:23.284Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00748059"
    },
    {
      "nct_id": "NCT01988883",
      "title": "Modafinil and Cognitive Function in POTS",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Postural Tachycardia Syndrome"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Modafinil",
          "type": "DRUG"
        },
        {
          "name": "Propranolol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 20,
      "start_date": "2014-10",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-01-15",
      "last_synced_at": "2026-09-06T10:36:23.284Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01988883"
    },
    {
      "nct_id": "NCT06865677",
      "title": "Sacituzumab Govitecan for Relapsed Ovarian, Endometrial, and Cervical Carcinomas",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Platinum Resistant Epithelial Ovarian Carcinoma",
        "Recurrent Epithelial Endometrial Carcinoma",
        "Recurrent Epithelial Cervical Carcinoma"
      ],
      "interventions": [
        {
          "name": "Sacituzumab Govitecan",
          "type": "DRUG"
        },
        {
          "name": "EKG",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Brain MRI",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "CT scans",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Tumor biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Loperamide",
          "type": "DRUG"
        },
        {
          "name": "Octreotide",
          "type": "DRUG"
        },
        {
          "name": "Diphenoxylate/Atropine",
          "type": "DRUG"
        },
        {
          "name": "Antiemetics",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST",
        "PROCEDURE"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 120 Years · Female only"
      },
      "enrollment_count": 2,
      "start_date": "2025-06-09",
      "completion_date": "2025-07-01",
      "has_results": true,
      "last_update_posted_date": "2026-01-21",
      "last_synced_at": "2026-09-06T10:36:23.284Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06865677"
    },
    {
      "nct_id": "NCT05421208",
      "title": "Cardiovascular Autonomic and Immune Mechanism of Post COVID-19 Tachycardia Syndrome",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-acute COVID-19 Syndrome",
        "Postural Tachycardia Syndrome (POTS)",
        "Long COVID",
        "SARS CoV 2 Infection"
      ],
      "interventions": [
        {
          "name": "Levels of inflammatory cytokine ( IL-6) in post-COVID-19 POTS and controls",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Levels of inflammatory cytokine ( IL-6) in controls",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Effect on inflammation after chronic PNS stimulation",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2022-06-01",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-15",
      "last_synced_at": "2026-09-06T10:36:23.284Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05421208"
    },
    {
      "nct_id": "NCT07209566",
      "title": "A Research Study Exploring How Musculoskeletal Function and the Autonomic Nervous System Relate to Visceral Pain in Women With and Without Dysmenorrhea (Painful Periods).",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dysmenorrhea",
        "Dysmenorrhea Primary",
        "Visceral Pain",
        "Menstrual Pain"
      ],
      "interventions": [
        {
          "name": "Visceral Pain Stimulus",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Azusa Pacific University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 60,
      "start_date": "2025-08-01",
      "completion_date": "2027-04-01",
      "has_results": false,
      "last_update_posted_date": "2025-10-07",
      "last_synced_at": "2026-09-06T10:36:23.284Z",
      "location_count": 1,
      "location_summary": "Azusa, California",
      "locations": [
        {
          "city": "Azusa",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07209566"
    },
    {
      "nct_id": "NCT00672737",
      "title": "Study of Pain Processing in Subjects Suffering From Obstructive Sleep Apnea",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sleep Apnea, Obstructive"
      ],
      "interventions": [
        {
          "name": "Remifentanil",
          "type": "DRUG"
        },
        {
          "name": "Cold pain threshold and tolerance",
          "type": "PROCEDURE"
        },
        {
          "name": "Heat pain threshold and tolerance",
          "type": "DEVICE"
        },
        {
          "name": "Polysomnography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "DEVICE"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "18 Years to 55 Years · Male only"
      },
      "enrollment_count": 56,
      "start_date": "2008-02",
      "completion_date": "2010-08",
      "has_results": true,
      "last_update_posted_date": "2017-08-07",
      "last_synced_at": "2026-09-06T10:36:23.284Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00672737"
    }
  ]
}