{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cervical+sympathetic+block",
    "query": {
      "intervention": "Cervical sympathetic block"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-10T23:36:54.099Z",
  "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": "NCT05855876",
      "title": "Reversal of Battle-Related Aging (ROBRA) in a Special Operations Forces Cohort",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Post-Traumatic Stress Disorder",
        "Traumatic Brain Injury"
      ],
      "interventions": [
        {
          "name": "subanesthetic ketamine infusions and bilateral cervical sympathetic blocks",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Stella Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "40 Years to 60 Years"
      },
      "enrollment_count": 20,
      "start_date": "2023-07-05",
      "completion_date": "2024-04-05",
      "has_results": false,
      "last_update_posted_date": "2023-07-17",
      "last_synced_at": "2026-09-10T23:36:54.099Z",
      "location_count": 1,
      "location_summary": "Westmont, Illinois",
      "locations": [
        {
          "city": "Westmont",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05855876"
    },
    {
      "nct_id": "NCT05664711",
      "title": "Effect of Stellate Ganglion Block on ME/CFS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Encephalomyelitis, Myalgic",
        "Chronic Fatigue Syndrome",
        "Chronic Fatigue Disorder",
        "Chronic Fatigue and Immune Dysfunction Syndrome",
        "Myalgic Encephalomyelitis",
        "Postviral Fatigue Syndrome",
        "Systemic Exertion Intolerance Disease",
        "Infectious Mononucleosis-Like Syndrome, Chronic",
        "Chronic Fatigue-Fibromyalgia Syndrome"
      ],
      "interventions": [
        {
          "name": "Bupivacaine Injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Neuroversion, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 10,
      "start_date": "2023-03-15",
      "completion_date": "2024-01-15",
      "has_results": false,
      "last_update_posted_date": "2024-12-06",
      "last_synced_at": "2026-09-10T23:36:54.099Z",
      "location_count": 1,
      "location_summary": "Anchorage, Alaska",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05664711"
    },
    {
      "nct_id": "NCT05638620",
      "title": "Dual Sympathetic Blocks for Patients Experiencing Sympathetically-Mediated Symptoms From Long COVID",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Post Acute COVID-19 Syndrome",
        "Long COVID",
        "Long Covid19",
        "COVID-19 Recurrent",
        "Post-Acute COVID-19",
        "Post-Acute COVID-19 Infection",
        "SARS-CoV2 Infection",
        "Post Acute Sequelae of COVID-19",
        "Dysautonomia",
        "Dysautonomia Like Disorder",
        "Dysautonomia Orthostatic Hypotension Syndrome",
        "Post COVID-19 Condition",
        "Post-COVID Syndrome",
        "Post COVID-19 Condition, Unspecified",
        "Post-COVID-19 Syndrome"
      ],
      "interventions": [
        {
          "name": "stellate ganglion block with 0.5% bupivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Jonathann Kuo, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 20,
      "start_date": "2023-01-03",
      "completion_date": "2023-12-30",
      "has_results": false,
      "last_update_posted_date": "2025-03-13",
      "last_synced_at": "2026-09-10T23:36:54.099Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05638620"
    },
    {
      "nct_id": "NCT07577739",
      "title": "Noninvasive CA Monitoring Validation and Autonomic Modulation in Aneurysmal Subarachnoid Hemorrhage",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Subarachnoid Hemorrhage, Aneurysmal",
        "Delayed Cerebral Ischemia",
        "Cerebral Vasospasm",
        "Autonomic Nervous System Diseases"
      ],
      "interventions": [
        {
          "name": "Right-Sided Cervical Sympathetic Block at C6",
          "type": "PROCEDURE"
        },
        {
          "name": "Transcutaneous Auricular Vagal Nerve Stimulation (taVNS)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE"
      ],
      "sponsor": "University of Texas Southwestern 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": 300,
      "start_date": "2026-07",
      "completion_date": "2030-06",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-09-10T23:36:54.099Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07577739"
    },
    {
      "nct_id": "NCT05230134",
      "title": "Cervical Sympathetic Block in Patients With Cerebral Vasospasm",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anesthesia, Local",
        "Cerebral Vasospasm",
        "Subarachnoid Hemorrhage, Aneurysmal"
      ],
      "interventions": [
        {
          "name": "Cervical sympathetic block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2023-07-27",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-10-20",
      "last_synced_at": "2026-09-10T23:36:54.099Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05230134"
    },
    {
      "nct_id": "NCT00930072",
      "title": "Safety Study of Cervical Sympathetic Block for Cerebral Vasospasm Following Aneurysmal Subarachnoid Hemorrhage",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Vasospasm"
      ],
      "interventions": [
        {
          "name": "Cervical Sympathetic Block (bupivicaine, clonidine)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2009-04",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2017-09-27",
      "last_synced_at": "2026-09-10T23:36:54.099Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00930072"
    },
    {
      "nct_id": "NCT07473505",
      "title": "Integrative Bilateral Cervical Sympathetic Blocks for Trauma-Related Symptoms in Special Operations Veterans: A Prospective Case Series",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "PTSD",
        "Trauma-related Mental Health Symptoms",
        "Moral Injury",
        "Anxiety",
        "Traumatic Brain Injury"
      ],
      "interventions": [
        {
          "name": "stellate ganglion block with 0.5% ropivacaine",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Reset Medical and Wellness Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "2026-03-20",
      "completion_date": "2027-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-20",
      "last_synced_at": "2026-09-10T23:36:54.099Z",
      "location_count": 1,
      "location_summary": "Strongsville, Ohio",
      "locations": [
        {
          "city": "Strongsville",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07473505"
    }
  ]
}