{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Narrow+Band+Imaging+%28NBI%29",
    "query": {
      "intervention": "Narrow Band Imaging (NBI)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 29,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Narrow+Band+Imaging+%28NBI%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-28T21:08:02.641Z",
  "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": "NCT02005393",
      "title": "Study Comparing Flexible Spectral-Imaging Color Enhancement (FICE) With Olympus Narrow Band Imaging (NBI)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Routine Endoscopy"
      ],
      "interventions": [
        {
          "name": "FICE Image Acquisition followed by NBI Image Acquisition",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Fujifilm Medical Systems USA, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2013-10",
      "completion_date": "2013-11",
      "has_results": true,
      "last_update_posted_date": "2017-03-28",
      "last_synced_at": "2026-09-28T21:08:02.641Z",
      "location_count": 1,
      "location_summary": "Scottsdale, Arizona",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02005393"
    },
    {
      "nct_id": "NCT02197351",
      "title": "Narrow Band Imaging for Gastric Neoplasia",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gastric Cancer",
        "Gastric Metaplasia",
        "Gastric Dysplasia"
      ],
      "interventions": [
        {
          "name": "White light biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Protocolled",
          "type": "PROCEDURE"
        },
        {
          "name": "Narrow Band Imaging Guided Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 220,
      "start_date": "2014-07",
      "completion_date": "2023-12",
      "has_results": false,
      "last_update_posted_date": "2023-03-06",
      "last_synced_at": "2026-09-28T21:08:02.641Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02197351"
    },
    {
      "nct_id": "NCT02668198",
      "title": "Assessing a Endoscopic Mucosal Resection Site Using Different Endoscopic Imaging Methods",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-endoscopic Mucosal Resection of Colon Polyps"
      ],
      "interventions": [
        {
          "name": "Olympus CF190 Colonoscope High definition white light",
          "type": "DEVICE"
        },
        {
          "name": "Olympus CF190 Colonoscope White light with near focus",
          "type": "DEVICE"
        },
        {
          "name": "Olympus CF190 Colonoscope Narrow band imaging",
          "type": "DEVICE"
        },
        {
          "name": "Olympus CF190 Colonoscope Narrow band imaging with near focus",
          "type": "DEVICE"
        },
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Michael Wallace",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 230,
      "start_date": "2016-01",
      "completion_date": "2018-10",
      "has_results": true,
      "last_update_posted_date": "2019-10-17",
      "last_synced_at": "2026-09-28T21:08:02.641Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02668198"
    },
    {
      "nct_id": "NCT04192929",
      "title": "Chromoendoscopy or Narrow Band Imaging (NBI) for Improving Adenoma Detection in Colonoscopy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Neoplasms"
      ],
      "interventions": [
        {
          "name": "Narrow band imaging",
          "type": "DEVICE"
        },
        {
          "name": "Chromoendoscopy",
          "type": "OTHER"
        },
        {
          "name": "High definition white light endoscopy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2025-02",
      "completion_date": "2025-02",
      "has_results": false,
      "last_update_posted_date": "2024-11-06",
      "last_synced_at": "2026-09-28T21:08:02.641Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04192929"
    },
    {
      "nct_id": "NCT02897427",
      "title": "Throat and Other HPV-Related Cancers in Men: Identifying Them Early",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Human Papillomavirus Infection"
      ],
      "interventions": [
        {
          "name": "Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Ultrasonography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "64 Years",
        "sex": "MALE",
        "summary": "50 Years to 64 Years · Male only"
      },
      "enrollment_count": 1500,
      "start_date": "2017-03-28",
      "completion_date": "2027-03-28",
      "has_results": false,
      "last_update_posted_date": "2026-01-26",
      "last_synced_at": "2026-09-28T21:08:02.641Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02897427"
    },
    {
      "nct_id": "NCT04437615",
      "title": "Colorectal Polyp Clinical Decision Support Device Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [],
      "conditions": [
        "Polyp",
        "Colorectal",
        "Colonoscopy"
      ],
      "interventions": [
        {
          "name": "Colonoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Clinical Decision Support Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE"
      ],
      "sponsor": "Olympus Corporation of the Americas",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2379,
      "start_date": "2020-11-05",
      "completion_date": "2023-03-30",
      "has_results": true,
      "last_update_posted_date": "2025-04-17",
      "last_synced_at": "2026-09-28T21:08:02.641Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04437615"
    },
    {
      "nct_id": "NCT01288833",
      "title": "Clinical Study of Real Time Colorectal Polyp Diagnosis During Colonoscopy - the VALID Colonoscopy Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Neoplasm",
        "Colonic Polyps"
      ],
      "interventions": [
        {
          "name": "Close focus HD NBI Colonoscopy System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "VA Palo Alto Health Care System",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 558,
      "start_date": "2011-03",
      "completion_date": "2015-10",
      "has_results": true,
      "last_update_posted_date": "2018-06-01",
      "last_synced_at": "2026-09-28T21:08:02.641Z",
      "location_count": 2,
      "location_summary": "Palo Alto, California • Kansas City, Missouri",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01288833"
    },
    {
      "nct_id": "NCT01262040",
      "title": "Narrow Band Imaging (NBI): A Novel Imaging Modality in Minimally Invasive",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Endometrial Cancer",
        "Fallopian Tube Cancer",
        "Ovarian Cancer",
        "Peritoneal Cancer",
        "Gastrointestinal Carcinoma",
        "Pancreatic Carcinoma",
        "Lung Cancer",
        "Esophageal Carcinoma"
      ],
      "interventions": [
        {
          "name": "Narrow Band Imaging (NBI)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 154,
      "start_date": "2010-12-14",
      "completion_date": "2018-10-29",
      "has_results": false,
      "last_update_posted_date": "2018-11-07",
      "last_synced_at": "2026-09-28T21:08:02.641Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01262040"
    },
    {
      "nct_id": "NCT01638091",
      "title": "Practice-Based Learning to Predict Polyp Histology at Colonoscopy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colonic Polyps",
        "Adenomatous Polyps"
      ],
      "interventions": [
        {
          "name": "Ex vivo module",
          "type": "BEHAVIORAL"
        },
        {
          "name": "In vivo practice-base learning phase",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 14,
      "start_date": "2011-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2012-07-11",
      "last_synced_at": "2026-09-28T21:08:02.641Z",
      "location_count": 2,
      "location_summary": "Stanford, California • Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01638091"
    },
    {
      "nct_id": "NCT03191604",
      "title": "Impact of NBI on Patients Undergoing Endoscopic Eradication Therapy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Barrett Esophagus"
      ],
      "interventions": [
        {
          "name": "Video intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 46,
      "start_date": "2017-11-01",
      "completion_date": "2019-05-10",
      "has_results": false,
      "last_update_posted_date": "2019-11-04",
      "last_synced_at": "2026-09-28T21:08:02.641Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03191604"
    }
  ]
}