{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Esophageal+and+Laryngeal+Biopsies",
    "query": {
      "intervention": "Esophageal and Laryngeal Biopsies"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-08T15:56:23.307Z",
  "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": "NCT00373997",
      "title": "Esophageal and Laryngeal Tissue Changes in Patients Suspected of Having Laryngopharyngeal Reflux",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Larynx Disease",
        "Gastroesophageal Reflux"
      ],
      "interventions": [
        {
          "name": "Esophageal and Laryngeal biopsies",
          "type": "PROCEDURE"
        },
        {
          "name": "egd with biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2006-09",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2014-05-01",
      "last_synced_at": "2026-10-08T15:56:23.307Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00373997"
    },
    {
      "nct_id": "NCT00900419",
      "title": "Biomarkers in Patients With Respiratory Tract Dysplasia or Lung Cancer, Head and Neck Cancer, or Aerodigestive Tract Cancer and in Normal Volunteers",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Esophageal Cancer",
        "Head and Neck Cancer",
        "Lung Cancer",
        "Precancerous Condition"
      ],
      "interventions": [
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "sputum cytology",
          "type": "OTHER"
        },
        {
          "name": "biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "21 Years to 90 Years"
      },
      "enrollment_count": 700,
      "start_date": "2001-05-03",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2025-09-22",
      "last_synced_at": "2026-10-08T15:56:23.307Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00900419"
    },
    {
      "nct_id": "NCT05059444",
      "title": "ORACLE: Observation of ResiduAl Cancer With Liquid Biopsy Evaluation",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bladder Carcinoma",
        "Ureter Carcinoma",
        "Renal Pelvis Carcinoma",
        "Non-small Cell Lung Cancer",
        "Invasive Breast Carcinoma",
        "Cutaneous Melanoma",
        "Esophageal Carcinoma",
        "Gastroesophageal Junction Carcinoma",
        "Gastric Adenocarcinoma",
        "Pancreatic Adenocarcinoma",
        "Squamous Cell Carcinoma of the Head and Neck",
        "Epithelial Ovarian Carcinoma",
        "Fallopian Tube Carcinoma",
        "Endometrial Carcinoma",
        "Renal Cell Carcinoma",
        "Rectal Adenocarcinoma",
        "Colon Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Guardant Reveal",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Guardant Health, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2285,
      "start_date": "2021-09-07",
      "completion_date": "2030-08",
      "has_results": false,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-10-08T15:56:23.307Z",
      "location_count": 33,
      "location_summary": "Birmingham, Alabama • Chandler, Arizona • Hot Springs, Arkansas + 30 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05059444"
    },
    {
      "nct_id": "NCT00444145",
      "title": "Do Laryngeal Tissue Changes in Patients Suspected of Having Laryngopharyngeal Reflux Predict Response to Treatment?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Larynx Disease",
        "Gastroesophageal Reflux"
      ],
      "interventions": [
        {
          "name": "Prevacid",
          "type": "DRUG"
        },
        {
          "name": "Esophageal and Laryngeal Biopsies",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt University 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": 38,
      "start_date": "2007-03",
      "completion_date": "2009-12",
      "has_results": true,
      "last_update_posted_date": "2017-03-29",
      "last_synced_at": "2026-10-08T15:56:23.307Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00444145"
    },
    {
      "nct_id": "NCT00900302",
      "title": "OX-40 Protein Expression in the Sentinel Lymph Nodes of Patients With Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "protein expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "OHSU Knight Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "Up to 120 Years"
      },
      "enrollment_count": 98,
      "start_date": "2005-04",
      "completion_date": "2011-03",
      "has_results": false,
      "last_update_posted_date": "2016-02-10",
      "last_synced_at": "2026-10-08T15:56:23.307Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00900302"
    }
  ]
}