{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Duodenal+Polyp",
    "query": {
      "condition": "Duodenal Polyp"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 8,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-21T22:55:28.773Z",
  "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": "NCT03065257",
      "title": "Endoscopic Resection Multicenter Registry",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Gastrointestinal Neoplasms",
        "Gastrointestinal Disease",
        "Gastric Cancer",
        "Gastric Neoplasm",
        "Gastric Polyp",
        "Esophageal Neoplasms",
        "Duodenal Neoplasms",
        "Duodenal Polyp",
        "Stomach Neoplasm",
        "Stomach Polyp",
        "Neoplasms",
        "Colon Polyp",
        "Colon Neoplasm"
      ],
      "interventions": [
        {
          "name": "Endoscopic Resection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "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": "2017-03-15",
      "completion_date": "2020-04",
      "has_results": false,
      "last_update_posted_date": "2017-04-25",
      "last_synced_at": "2026-05-21T22:55:28.773Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03065257"
    },
    {
      "nct_id": "NCT04220905",
      "title": "Endoscopic Resection of Large Colorectal Polyps: An Observational Cohort Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colonic Polyp",
        "Colonoscopy",
        "Complication",
        "Recurrence",
        "Duodenal Polyp"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "White River Junction Veterans Affairs Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1500,
      "start_date": "2017-11-01",
      "completion_date": "2025-05",
      "has_results": false,
      "last_update_posted_date": "2024-07-05",
      "last_synced_at": "2026-05-21T22:55:28.773Z",
      "location_count": 1,
      "location_summary": "White River Junction, Vermont",
      "locations": [
        {
          "city": "White River Junction",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04220905"
    },
    {
      "nct_id": "NCT05579444",
      "title": "Systems Biology of Gastrointestinal and Related Diseases",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ulcerative Colitis",
        "Crohn Disease",
        "Obesity",
        "Colon Polyp",
        "Eosinophilic Esophagitis",
        "GERD",
        "Gastro Esophageal Reflux",
        "Barrett Esophagus",
        "Esophageal Cancer",
        "Gastritis",
        "Gastric Ulcer",
        "Duodenal Ulcer",
        "Intestinal Metaplasia",
        "Gastric Cancer",
        "Lymphocytic Colitis",
        "Microscopic Colitis",
        "Celiac Sprue",
        "IBS",
        "Irritable Bowel Syndrome",
        "SIBO",
        "NAFLD",
        "Gallstone Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Viome",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2022-11-11",
      "completion_date": "2023-11-29",
      "has_results": false,
      "last_update_posted_date": "2023-12-15",
      "last_synced_at": "2026-05-21T22:55:28.773Z",
      "location_count": 1,
      "location_summary": "Bothell, Washington",
      "locations": [
        {
          "city": "Bothell",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05579444"
    },
    {
      "nct_id": "NCT02012699",
      "title": "Integrated Cancer Repository for Cancer Research",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreatic Cancer",
        "Thyroid Cancer",
        "Lung Cancer",
        "Esophageal Cancer",
        "Thymus Cancer",
        "Colon Cancer",
        "Rectal Cancer",
        "Gastrointestinal Stromal Tumors",
        "Anal Cancer",
        "Bile Duct Cancer",
        "Duodenal Cancer",
        "Gallbladder Cancer",
        "Gastric Cancer",
        "Liver Cancer",
        "Small Intestine Cancer",
        "Peritoneal Surface Malignancies",
        "Familial Adenomatous Polyposis",
        "Lynch Syndrome",
        "Bladder Cancer",
        "Kidney Cancer",
        "Penile Cancer",
        "Prostate Cancer",
        "Testicular Cancer",
        "Ureter Cancer",
        "Urethral Cancer",
        "Hypopharyngeal Cancer",
        "Laryngeal Cancer",
        "Lip Cancer",
        "Oral Cavity Cancer",
        "Nasopharyngeal Cancer",
        "Oropharyngeal Cancer",
        "Paranasal Sinus Cancer",
        "Nasal Cavity Cancer",
        "Salivary Gland Cancer",
        "Skin Cancer",
        "Central Nervous System Tumor",
        "Central Nervous System Cancer",
        "Mesothelioma",
        "Breast Cancer",
        "Leukemia",
        "Melanoma",
        "Sarcoma",
        "Unknown Primary Tumor",
        "Multiple Myeloma",
        "Ovarian Cancer",
        "Endometrial Cancer",
        "Vaginal Cancer",
        "Neuroendocrine Tumors",
        "Plasma Cell Dyscrasia",
        "Healthy Control"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "110 Years",
        "sex": "ALL",
        "summary": "19 Years to 110 Years"
      },
      "enrollment_count": 999999,
      "start_date": "2013-11-01",
      "completion_date": "2099-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-05-21T22:55:28.773Z",
      "location_count": 42,
      "location_summary": "Greenwood Village, Colorado • Manchester, Connecticut • Daytona Beach, Florida + 34 more",
      "locations": [
        {
          "city": "Greenwood Village",
          "state": "Colorado"
        },
        {
          "city": "Manchester",
          "state": "Connecticut"
        },
        {
          "city": "Daytona Beach",
          "state": "Florida"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "Orange City",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02012699"
    },
    {
      "nct_id": "NCT05223036",
      "title": "Testing Obeticholic Acid for Familial Adenomatous Polyposis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Attenuated Familial Adenomatous Polyposis",
        "Colorectal Carcinoma",
        "Duodenal Carcinoma",
        "Familial Adenomatous Polyposis"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Gastrointestinal Endoscopy",
          "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": 15,
      "start_date": "2023-01-19",
      "completion_date": "2026-04-17",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-05-21T22:55:28.773Z",
      "location_count": 6,
      "location_summary": "Scottsdale, Arizona • Kansas City, Kansas • Boston, Massachusetts + 3 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05223036"
    },
    {
      "nct_id": "NCT04677998",
      "title": "A Personalized Surveillance and Intervention Protocol for Duodenal and Gastric Polyposis in Patients With Familial Adenomatous Polyposis",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Familial Adenomatous Polyposis"
      ],
      "interventions": [
        {
          "name": "Personalized surveillance and intervention protocol",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)",
      "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": "2020-11-24",
      "completion_date": "2027-11",
      "has_results": false,
      "last_update_posted_date": "2026-02-23",
      "last_synced_at": "2026-05-21T22:55:28.773Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04677998"
    },
    {
      "nct_id": "NCT02961374",
      "title": "Erlotinib Hydrochloride in Reducing Duodenal Polyp Burden in Patients With Familial Adenomatous Polyposis at Risk of Developing Colon Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Attenuated Familial Adenomatous Polyposis",
        "Familial Adenomatous Polyposis"
      ],
      "interventions": [
        {
          "name": "Erlotinib",
          "type": "DRUG"
        },
        {
          "name": "Erlotinib Hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "69 Years",
        "sex": "ALL",
        "summary": "18 Years to 69 Years"
      },
      "enrollment_count": 46,
      "start_date": "2017-10-27",
      "completion_date": "2021-09-27",
      "has_results": true,
      "last_update_posted_date": "2022-07-26",
      "last_synced_at": "2026-05-21T22:55:28.773Z",
      "location_count": 7,
      "location_summary": "Scottsdale, Arizona • Ann Arbor, Michigan • Rochester, Minnesota + 4 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02961374"
    },
    {
      "nct_id": "NCT03847636",
      "title": "CryoBalloon Ablation for Treatment of Duodenal Adenomas",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Duodenal Adenomas",
        "Familial Adenomatous Polyposis"
      ],
      "interventions": [
        {
          "name": "CryoBalloon ablation",
          "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": 44,
      "start_date": "2019-05-13",
      "completion_date": "2026-03",
      "has_results": false,
      "last_update_posted_date": "2025-03-11",
      "last_synced_at": "2026-05-21T22:55:28.773Z",
      "location_count": 4,
      "location_summary": "Baltimore, Maryland • Manhasset, New York • Danville, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Manhasset",
          "state": "New York"
        },
        {
          "city": "Danville",
          "state": "Pennsylvania"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03847636"
    }
  ]
}