{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Transnasal+Endoscopy",
    "query": {
      "intervention": "Transnasal Endoscopy"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T03:24:30.402Z",
  "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": "NCT06441136",
      "title": "Characterizing the Impact of Presbyphonia on Social Interaction",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyphonia"
      ],
      "interventions": [
        {
          "name": "PhoRTE Program",
          "type": "OTHER"
        },
        {
          "name": "University of California Los Angeles (UCLA) Loneliness Scale",
          "type": "OTHER"
        },
        {
          "name": "Social Disconnectedness Scale",
          "type": "OTHER"
        },
        {
          "name": "Patient Health Questionnaire 9",
          "type": "OTHER"
        },
        {
          "name": "Aging Voice Index",
          "type": "OTHER"
        },
        {
          "name": "The Edmonton Frail Scale",
          "type": "OTHER"
        },
        {
          "name": "Vocal Effort Scale",
          "type": "OTHER"
        },
        {
          "name": "Montreal Cognitive Assessment",
          "type": "OTHER"
        },
        {
          "name": "Voice Handicap Index-10",
          "type": "OTHER"
        },
        {
          "name": "Voice Problem Impact Scales",
          "type": "OTHER"
        },
        {
          "name": "Cough Severity Index",
          "type": "OTHER"
        },
        {
          "name": "Laryngoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Acoustic, perceptual, and aerodynamic assessments",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Matthew R. Hoffman",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2025-01-10",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-07-17",
      "last_synced_at": "2026-09-04T03:24:30.402Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06441136"
    },
    {
      "nct_id": "NCT04301986",
      "title": "Patient Acceptance and Preference Among Screening Modalities for Detection of Barrett's Esophagus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Barrett Esophagus",
        "GERD"
      ],
      "interventions": [
        {
          "name": "Cytosponge",
          "type": "DEVICE"
        },
        {
          "name": "Transnasal Endoscopy (TNE)",
          "type": "DEVICE"
        },
        {
          "name": "Esophagogastroduodenoscopy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2020-08-11",
      "completion_date": "2022-05-10",
      "has_results": true,
      "last_update_posted_date": "2023-05-08",
      "last_synced_at": "2026-09-04T03:24:30.402Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04301986"
    },
    {
      "nct_id": "NCT04149470",
      "title": "Proton Pump Inhibitor (PPI) Response in Eosinophilic Esophagitis Assessed by Transnasal Endoscopy (TNE)",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Eosinophilic Esophagitis"
      ],
      "interventions": [
        {
          "name": "Omeprazole 20mg BID",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "22 Years",
        "sex": "ALL",
        "summary": "8 Years to 22 Years"
      },
      "enrollment_count": 90,
      "start_date": "2020-10-07",
      "completion_date": "2024-08",
      "has_results": false,
      "last_update_posted_date": "2024-07-03",
      "last_synced_at": "2026-09-04T03:24:30.402Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04149470"
    },
    {
      "nct_id": "NCT01288612",
      "title": "Comparative Effectiveness of Endoscopic Assessment of Gastroesophageal Reflux and Barretts Esophagus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Barrett's Esophagus"
      ],
      "interventions": [
        {
          "name": "Sedated Endoscopy",
          "type": "DEVICE"
        },
        {
          "name": "Transnasal Endoscopy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "50 Years to 95 Years"
      },
      "enrollment_count": 459,
      "start_date": "2011-02",
      "completion_date": "2013-10",
      "has_results": true,
      "last_update_posted_date": "2015-01-07",
      "last_synced_at": "2026-09-04T03:24:30.402Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01288612"
    },
    {
      "nct_id": "NCT01164566",
      "title": "Esophagoscopy in Evaluating Treatment in Patients With Stage I-IV Head and Neck Cancer Who Are Undergoing Radiation Therapy and/or Chemotherapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stage I Adenoid Cystic Carcinoma of the Oral Cavity",
        "Stage I Mucoepidermoid Carcinoma of the Oral Cavity",
        "Stage I Squamous Cell Carcinoma of the Hypopharynx",
        "Stage I Squamous Cell Carcinoma of the Larynx",
        "Stage I Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage I Verrucous Carcinoma of the Larynx",
        "Stage I Verrucous Carcinoma of the Oral Cavity",
        "Stage II Adenoid Cystic Carcinoma of the Oral Cavity",
        "Stage II Mucoepidermoid Carcinoma of the Oral Cavity",
        "Stage II Squamous Cell Carcinoma of the Hypopharynx",
        "Stage II Squamous Cell Carcinoma of the Larynx",
        "Stage II Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage II Verrucous Carcinoma of the Larynx",
        "Stage II Verrucous Carcinoma of the Oral Cavity",
        "Stage III Adenoid Cystic Carcinoma of the Oral Cavity",
        "Stage III Mucoepidermoid Carcinoma of the Oral Cavity",
        "Stage III Squamous Cell Carcinoma of the Hypopharynx",
        "Stage III Squamous Cell Carcinoma of the Larynx",
        "Stage III Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage III Verrucous Carcinoma of the Larynx",
        "Stage III Verrucous Carcinoma of the Oral Cavity",
        "Stage IV Adenoid Cystic Carcinoma of the Oral Cavity",
        "Stage IV Mucoepidermoid Carcinoma of the Oral Cavity",
        "Stage IV Squamous Cell Carcinoma of the Hypopharynx",
        "Stage IV Squamous Cell Carcinoma of the Larynx",
        "Stage IV Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage IV Verrucous Carcinoma of the Larynx",
        "Stage IV Verrucous Carcinoma of the Oral Cavity"
      ],
      "interventions": [
        {
          "name": "endoscopic procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2010-12",
      "completion_date": "2012-03",
      "has_results": false,
      "last_update_posted_date": "2018-07-02",
      "last_synced_at": "2026-09-04T03:24:30.402Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01164566"
    },
    {
      "nct_id": "NCT00943280",
      "title": "Barrett's Esophagus in Olmsted County",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Barrett's Esophagus"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "20 Years to 90 Years"
      },
      "enrollment_count": 60,
      "start_date": "2009-01",
      "completion_date": "2010-01",
      "has_results": false,
      "last_update_posted_date": "2012-01-06",
      "last_synced_at": "2026-09-04T03:24:30.402Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00943280"
    },
    {
      "nct_id": "NCT06200961",
      "title": "Trans-nasal Endoscopy for Bariatric Patients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Obesity, Morbid",
        "Obese",
        "GI Disorders",
        "Gastrointestinal Diseases"
      ],
      "interventions": [
        {
          "name": "Transnasal Endoscopy",
          "type": "DEVICE"
        },
        {
          "name": "Esophagogastroduodenoscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Christopher C. Thompson, MD, MSc",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 100,
      "start_date": "2026-04-20",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2026-06-25",
      "last_synced_at": "2026-09-04T03:24:30.402Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06200961"
    },
    {
      "nct_id": "NCT02066233",
      "title": "Prospective Study to Compare the Efficacy of E.G.Scan to Detect Barrett's Esophagus Compared With Standard Endoscopy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Barrett's Esophagus"
      ],
      "interventions": [
        {
          "name": "EG Scan II (transnasal endoscopy)",
          "type": "DEVICE"
        },
        {
          "name": "Standard Endoscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2014-03",
      "completion_date": "2016-03",
      "has_results": true,
      "last_update_posted_date": "2017-07-06",
      "last_synced_at": "2026-09-04T03:24:30.402Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02066233"
    },
    {
      "nct_id": "NCT01526772",
      "title": "A Prospective Study Evaluating The Utility of Transnasal Endoscopy With Roux en Y Gastric Bypass",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Endoscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 11,
      "start_date": "2011-09",
      "completion_date": "2014-07-07",
      "has_results": false,
      "last_update_posted_date": "2017-11-07",
      "last_synced_at": "2026-09-04T03:24:30.402Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01526772"
    },
    {
      "nct_id": "NCT04139499",
      "title": "Use of High-resolution Manometry to Detect Upper Airway Obstruction During Sleep",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obstructive Sleep Apnea"
      ],
      "interventions": [
        {
          "name": "Drug-induced sleep endoscopy (DISE)",
          "type": "PROCEDURE"
        },
        {
          "name": "High-resolution manometry (HRM):",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "5 Years to 90 Years"
      },
      "enrollment_count": 18,
      "start_date": "2019-01-16",
      "completion_date": "2021-05-05",
      "has_results": false,
      "last_update_posted_date": "2025-11-13",
      "last_synced_at": "2026-09-04T03:24:30.402Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04139499"
    }
  ]
}