{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Esophageal+Squamous+Dysplasia",
    "query": {
      "condition": "Esophageal Squamous Dysplasia"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 9,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-21T22:32:40.344Z",
  "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": "NCT02534233",
      "title": "Evaluation of Effect of CryoBalloon Focal Ablation System on Human Esophageal Epithelium",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Barrett's Esophagus",
        "Esophageal Squamous Dysplasia",
        "Esophageal Cancer"
      ],
      "interventions": [
        {
          "name": "CryoBalloon",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 58,
      "start_date": "2015-04",
      "completion_date": "2025-02-27",
      "has_results": true,
      "last_update_posted_date": "2025-08-01",
      "last_synced_at": "2026-05-21T22:32:40.344Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02534233"
    },
    {
      "nct_id": "NCT02100189",
      "title": "Esophageal Cytology With FISH in Detecting Esophageal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dysphagia",
        "Dysplasia",
        "Esophageal Adenocarcinoma",
        "Esophageal Squamous Cell Carcinoma",
        "Esophagitis",
        "Gastroesophageal Reflux Disease",
        "High Grade Dysplasia in Barrett Esophagus",
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        },
        {
          "name": "Esophagogastroduodenoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "OHSU Knight Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2014-02",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2017-05-11",
      "last_synced_at": "2026-05-21T22:32:40.344Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02100189"
    },
    {
      "nct_id": "NCT00747448",
      "title": "CryoSpray Ablation (TM) GI Patient Registry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Barrett's Esophagus",
        "Esophageal Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "CSA Medical, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 199,
      "start_date": "2009-05",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2016-02-02",
      "last_synced_at": "2026-05-21T22:32:40.344Z",
      "location_count": 6,
      "location_summary": "La Jolla, California • Baltimore, Maryland • Lake Success, New York + 3 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Lake Success",
          "state": "New York"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00747448"
    },
    {
      "nct_id": "NCT02029937",
      "title": "High Resolution Microendoscopy for the Detection of Esophageal Squamous Cell Neoplasia",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Suspected or Known Squamous Cell Neoplasia",
        "Prior History of Squamous Cell Dysplasia and /or Neoplasia"
      ],
      "interventions": [
        {
          "name": "Proflavine, high resolution imaging",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Anandasabapathy, Sharmila, M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1300,
      "start_date": "2014-01",
      "completion_date": "2021-12",
      "has_results": false,
      "last_update_posted_date": "2021-01-14",
      "last_synced_at": "2026-05-21T22:32:40.344Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02029937"
    },
    {
      "nct_id": "NCT01802203",
      "title": "trūFreeze® Spray Cryotherapy Patient Registry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Barrett Esophagus",
        "Esophageal Dysplasia",
        "Esophageal Neoplasm",
        "Esophageal Stenosis",
        "Bronchial Neoplasm",
        "Stenosis of Bronchus or Trachea"
      ],
      "interventions": [
        {
          "name": "truFreeze Spray Cryotherapy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "US Endoscopy Group Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 275,
      "start_date": "2013-04",
      "completion_date": "2022-04",
      "has_results": false,
      "last_update_posted_date": "2022-07-25",
      "last_synced_at": "2026-05-21T22:32:40.344Z",
      "location_count": 16,
      "location_summary": "La Jolla, California • Denver, Colorado • Jacksonville, Florida + 11 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Kenner",
          "state": "Louisiana"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01802203"
    },
    {
      "nct_id": "NCT00628784",
      "title": "Endoesophageal Cryotherapy For Ablating Barrett's Esophagus and Early Stage Esophageal Cancer",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Barrett's Esophagus"
      ],
      "interventions": [
        {
          "name": "Endoscopic spray cryotherapy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Walter Reed Army Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 100,
      "start_date": "2007-03",
      "completion_date": "2012-03",
      "has_results": false,
      "last_update_posted_date": "2008-07-24",
      "last_synced_at": "2026-05-21T22:32:40.344Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00628784"
    },
    {
      "nct_id": "NCT06435286",
      "title": "Effectiveness and Performance of an Optical Biopsy Technology for Esophageal Cancer in Brazil and the United States",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Suspected or Known Squamous Cell Neoplasia",
        "Prior History of Squamous Cell Dysplasia and /or Neoplasia"
      ],
      "interventions": [
        {
          "name": "Proflavine Hemisulfate",
          "type": "DRUG"
        },
        {
          "name": "Artificial Intelligence Mobile High-Resolution Microendoscope",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2025-02-17",
      "completion_date": "2027-03-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-02",
      "last_synced_at": "2026-05-21T22:32:40.344Z",
      "location_count": 2,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06435286"
    },
    {
      "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": "2026-05-21T22:32:40.344Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00900419"
    },
    {
      "nct_id": "NCT02890979",
      "title": "Swallowable Sponge Cell Sampling Device and Next Generation Sequencing in Detecting Esophageal Cancer in Patients With Low or High Grade Dysplasia, Barrett Esophagus, or Gastroesophageal Reflux Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Barrett Esophagus",
        "Dysplasia",
        "Esophageal Adenocarcinoma",
        "Esophageal Squamous Cell Carcinoma",
        "Gastroesophageal Reflux Disease",
        "Metaplasia"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Swallowable Sponge Cell Sampling Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "OHSU Knight Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2016-08-03",
      "completion_date": "2017-10-10",
      "has_results": false,
      "last_update_posted_date": "2020-11-25",
      "last_synced_at": "2026-05-21T22:32:40.344Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02890979"
    }
  ]
}