{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=esophageal+biopsy&page=4",
    "query": {
      "intervention": "esophageal biopsy",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 83,
    "total_pages": 9,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=esophageal+biopsy&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=esophageal+biopsy&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-08T12:50:20.184Z",
  "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": "NCT02427269",
      "title": "University of North Carolina (UNC) Barrett's Esophagus and Esophageal Cancer Biorepository",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Barrett's Esophagus",
        "Esophageal Cancer",
        "Intramucosal Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Specimen Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 1000,
      "start_date": "2015-04-28",
      "completion_date": "2028-05",
      "has_results": false,
      "last_update_posted_date": "2026-06-24",
      "last_synced_at": "2026-10-08T12:50:20.184Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02427269"
    },
    {
      "nct_id": "NCT00586989",
      "title": "Endoscopic Tri-Modal Imaging in Patients With Barrett's Esophagus",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Barretts Esophagus",
        "High Grade Dysplasia",
        "Early Esophageal Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Upper endoscopy with biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "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": 60,
      "start_date": "2007-12",
      "completion_date": "2010-09",
      "has_results": false,
      "last_update_posted_date": "2016-01-07",
      "last_synced_at": "2026-10-08T12:50:20.184Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00586989"
    },
    {
      "nct_id": "NCT05753748",
      "title": "Surveillance vs. Endoscopic Therapy for Barrett's Esophagus With Low-grade Dysplasia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Barretts Esophagus With Dysplasia",
        "Barrett Esophagus",
        "Esophageal Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Endoscopic Eradication Therapy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 680,
      "start_date": "2023-01-24",
      "completion_date": "2029-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-11",
      "last_synced_at": "2026-10-08T12:50:20.184Z",
      "location_count": 30,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Los Angeles, California + 25 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Jose",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05753748"
    },
    {
      "nct_id": "NCT04939051",
      "title": "Obeticholic Acid for Prevention in Barrett's Esophagus",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Barrett Esophagus",
        "Esophageal Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Esophageal Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Esophagogastroduodenoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Liver Ultrasonographic Elastography",
          "type": "PROCEDURE"
        },
        {
          "name": "Obeticholic Acid",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo Administration",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2024-01-03",
      "completion_date": "2027-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-11",
      "last_synced_at": "2026-10-08T12:50:20.184Z",
      "location_count": 8,
      "location_summary": "Kansas City, Kansas • Ann Arbor, Michigan • St Louis, Missouri + 2 more",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04939051"
    },
    {
      "nct_id": "NCT00587314",
      "title": "The Effect of Ablation Therapy on Barrett's Esophagus",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Barrett's Esophagus",
        "Early Esophageal Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Biopsy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "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": 600,
      "start_date": "2004-01",
      "completion_date": "2029-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-11",
      "last_synced_at": "2026-10-08T12:50:20.184Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00587314"
    },
    {
      "nct_id": "NCT06381583",
      "title": "A Liquid Biopsy for High-risk Pre-cancer Screening of Esophageal Adenocarcinoma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Esophagus Cancer",
        "Esophageal Cancer Stage",
        "Esophageal Cancer",
        "Esophageal Neoplasms",
        "Esophagus Adenocarcinoma",
        "Esophagus, Barrett",
        "Barrett Esophagus",
        "Barrett Adenocarcinoma",
        "Barrett Epithelium",
        "Barretts Esophagus With Dysplasia",
        "Barrett's Esophagus Without Dysplasia",
        "Barretts Esophagus With High Grade Dysplasia",
        "Barretts Esophagus With Low Grade Dysplasia",
        "Barrett Esophagus, Long-Segment",
        "Barrett's Esophagus With Dysplasia, Unspecified",
        "Barrett's Esophagus With Esophagitis",
        "Gastroesophageal Reflux",
        "Reflux Disease",
        "Esophageal Adenocarcinoma",
        "Esophageal Dysplasia",
        "Esophageal Neoplasms Malignant"
      ],
      "interventions": [
        {
          "name": "EMERALD (Esophageal MicroRNAs for BaRRett's esophagus, Adenocarcinoma, and Dysplasia)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 658,
      "start_date": "2023-04-15",
      "completion_date": "2024-04-24",
      "has_results": false,
      "last_update_posted_date": "2024-05-10",
      "last_synced_at": "2026-10-08T12:50:20.184Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06381583"
    },
    {
      "nct_id": "NCT05408728",
      "title": "Dietary Sugar Absorptive Phenotype for Prediction of Weight Loss Outcome",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obese",
        "Healthy",
        "Bariatric Surgery Candidate"
      ],
      "interventions": [
        {
          "name": "Endoscopic biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "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": 52,
      "start_date": "2026-07-01",
      "completion_date": "2028-08",
      "has_results": false,
      "last_update_posted_date": "2026-10-02",
      "last_synced_at": "2026-10-08T12:50:20.184Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05408728"
    },
    {
      "nct_id": "NCT01921686",
      "title": "Morphological Markers of Gastroesophageal Reflux Disease (GERD)",
      "overall_status": "SUSPENDED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Eosinophilic Esophagitis",
        "Gastroesophageal Reflux Disease"
      ],
      "interventions": [
        {
          "name": "Sample collection and Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "8 Years to 18 Years"
      },
      "enrollment_count": 54,
      "start_date": "2013-03",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-10-08T12:50:20.184Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01921686"
    },
    {
      "nct_id": "NCT00591461",
      "title": "Study of Endoscopic Barrett's Esophagus Diagnosis",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Barrett's Esophagus",
        "GERD"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Oregon Health and Science University",
      "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": 13,
      "start_date": "2007-12",
      "completion_date": "2010-03",
      "has_results": false,
      "last_update_posted_date": "2019-12-11",
      "last_synced_at": "2026-10-08T12:50:20.184Z",
      "location_count": 2,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00591461"
    },
    {
      "nct_id": "NCT03641313",
      "title": "Berzosertib and Irinotecan in Treating Patients With Progressive, Metastatic, or Unresectable TP53 Mutant Gastric or Gastroesophageal Junction Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Clinical Stage III Gastric Cancer AJCC v8",
        "Clinical Stage III Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Clinical Stage IV Gastric Cancer AJCC v8",
        "Clinical Stage IV Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Metastatic Gastric Adenocarcinoma",
        "Metastatic Gastroesophageal Junction Adenocarcinoma",
        "Unresectable Gastric Adenocarcinoma",
        "Unresectable Gastroesophageal Junction Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Berzosertib",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography Assisted Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Endoscopic Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Irinotecan",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2020-11-16",
      "completion_date": "2027-01-28",
      "has_results": true,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-10-08T12:50:20.184Z",
      "location_count": 31,
      "location_summary": "Duarte, California • Los Angeles, California • Orange, California + 25 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03641313"
    }
  ]
}