{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Superior+Laryngeal+Nerve+Block",
    "query": {
      "condition": "Superior Laryngeal Nerve Block"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-29T08:09:00.977Z",
  "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": "NCT04642352",
      "title": "Office-Based Superior Laryngeal Nerve Block for Treatment of Neurogenic Cough",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cough"
      ],
      "interventions": [
        {
          "name": "superior laryngeal nerve block",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2022-01-03",
      "completion_date": "2026-10",
      "has_results": false,
      "last_update_posted_date": "2026-05-08",
      "last_synced_at": "2026-09-29T08:09:00.977Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04642352"
    },
    {
      "nct_id": "NCT05292677",
      "title": "Laryngeal Nerve Block for Chronic Cough",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Laryngeal Nerve Block",
        "Chronic Neurogenic Cough",
        "Laryngeal Hypersensitivity"
      ],
      "interventions": [
        {
          "name": "Steroid/Anesthesia Mixture",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eastern Virginia Medical School",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2021-07-21",
      "completion_date": "2023-06-25",
      "has_results": false,
      "last_update_posted_date": "2022-03-23",
      "last_synced_at": "2026-09-29T08:09:00.977Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05292677"
    },
    {
      "nct_id": "NCT06734975",
      "title": "Effect of Superior Laryngeal Nerve Blocks on Patient Outcomes in Laryngeal Surgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Vocal Cord Disease",
        "Vocal Cord Polyp",
        "Vocal Cord Cyst"
      ],
      "interventions": [
        {
          "name": "Superior laryngeal nerve block - Intervention (Bupivacaine and triamcinolone acetonide suspension)",
          "type": "DRUG"
        },
        {
          "name": "Superior laryngeal nerve block - Placebo (saline)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2025-07-11",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-01-15",
      "last_synced_at": "2026-09-29T08:09:00.977Z",
      "location_count": 1,
      "location_summary": "Newark, New Jersey",
      "locations": [
        {
          "city": "Newark",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06734975"
    },
    {
      "nct_id": "NCT04468542",
      "title": "Randomized Placebo-controlled Analysis of Superior Laryngeal Nerve Block for Neurogenic Cough",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cough",
        "Nerve Block"
      ],
      "interventions": [
        {
          "name": "Superior laryngeal nerve block - Intervention (Bupivacaine and triamcinolone acetonide suspension)",
          "type": "DRUG"
        },
        {
          "name": "Superior laryngeal nerve block - Placebo (saline)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 65,
      "start_date": "2021-01-12",
      "completion_date": "2022-12",
      "has_results": false,
      "last_update_posted_date": "2022-11-08",
      "last_synced_at": "2026-09-29T08:09:00.977Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04468542"
    },
    {
      "nct_id": "NCT04421092",
      "title": "Efficacy of SLN Block for Chronic Cough",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cough",
        "Superior Laryngeal Nerve Block",
        "Neurogenic Cough"
      ],
      "interventions": [
        {
          "name": "Superior laryngeal nerve block",
          "type": "PROCEDURE"
        },
        {
          "name": "Injection of placebo (saline)",
          "type": "PROCEDURE"
        },
        {
          "name": "Injection of steroid-lidocaine mixture",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2020-07-22",
      "completion_date": "2022-12-30",
      "has_results": true,
      "last_update_posted_date": "2025-10-23",
      "last_synced_at": "2026-09-29T08:09:00.977Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04421092"
    },
    {
      "nct_id": "NCT01848548",
      "title": "Superior Laryngeal Nerve Block For Awake Endotracheal Intubation Study",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Awake Endotracheal Intubation",
        "Difficult Intubation",
        "Airway Anesthesia"
      ],
      "interventions": [
        {
          "name": "Superior Laryngeal Nerve Block using the Thyrohyoid Membrane as an Anatomic Landmark",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "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": 25,
      "start_date": "2013-04",
      "completion_date": "2017-07",
      "has_results": false,
      "last_update_posted_date": "2017-11-06",
      "last_synced_at": "2026-09-29T08:09:00.977Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01848548"
    }
  ]
}