{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=water+immersion+colonoscopy",
    "query": {
      "intervention": "water immersion colonoscopy"
    },
    "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": "2026-09-24T14:04:24.903Z",
  "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": "NCT02359409",
      "title": "Use of Goggle Balloon to Improve Cecal Intubation During Colonoscopy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Redundant Colon"
      ],
      "interventions": [
        {
          "name": "goggle balloon",
          "type": "DEVICE"
        },
        {
          "name": "water immersion only",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2014-07",
      "completion_date": "2017-03-28",
      "has_results": false,
      "last_update_posted_date": "2017-04-28",
      "last_synced_at": "2026-09-24T14:04:24.903Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02359409"
    },
    {
      "nct_id": "NCT01781650",
      "title": "A Comparison of Air Insufflation, Water Immersion and Water Exchange Colonoscopy in Diagnostic Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain",
        "Colorectal Adenomas",
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Air Insufflation method.",
          "type": "OTHER"
        },
        {
          "name": "Water Immersion method.",
          "type": "OTHER"
        },
        {
          "name": "Water Exchange method.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Presidio Ospedaliero Santa Barbara",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 288,
      "start_date": "2013-03",
      "completion_date": "2013-09",
      "has_results": false,
      "last_update_posted_date": "2014-01-15",
      "last_synced_at": "2026-09-24T14:04:24.903Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01781650"
    },
    {
      "nct_id": "NCT00671177",
      "title": "Clinical Evaluation of Water Immersion Colonoscopy Insertion Technique",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colonoscopy",
        "Digestive System",
        "Endoscopy",
        "Gastrointestinal Disease"
      ],
      "interventions": [
        {
          "name": "water immersion colonoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "standard air colonoscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "VA Palo Alto Health Care System",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 229,
      "start_date": "2007-09",
      "completion_date": "2008-06",
      "has_results": true,
      "last_update_posted_date": "2017-05-01",
      "last_synced_at": "2026-09-24T14:04:24.903Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00671177"
    },
    {
      "nct_id": "NCT02737514",
      "title": "Comparing the ADR With Air Insufflation, Water Immersion and Water Exchange During Two-endoscopist Colonoscopy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adenoma"
      ],
      "interventions": [
        {
          "name": "Air insufflation",
          "type": "PROCEDURE"
        },
        {
          "name": "water immersion",
          "type": "PROCEDURE"
        },
        {
          "name": "water exchange",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Dalin Tzu Chi General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "20 Years to 80 Years"
      },
      "enrollment_count": 371,
      "start_date": "2015-12",
      "completion_date": "2020-02",
      "has_results": false,
      "last_update_posted_date": "2020-05-29",
      "last_synced_at": "2026-09-24T14:04:24.903Z",
      "location_count": 1,
      "location_summary": "North Hills, California",
      "locations": [
        {
          "city": "North Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02737514"
    },
    {
      "nct_id": "NCT01894191",
      "title": "Comparing the Adenoma Detection Rate With Air Insufflation, Water Immersion and Water Exchange",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adenoma"
      ],
      "interventions": [
        {
          "name": "Air insufflation",
          "type": "PROCEDURE"
        },
        {
          "name": "water immersion",
          "type": "PROCEDURE"
        },
        {
          "name": "Water exchange",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Dalin Tzu Chi General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "20 Years to 80 Years"
      },
      "enrollment_count": 651,
      "start_date": "2013-05",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2016-06-28",
      "last_synced_at": "2026-09-24T14:04:24.903Z",
      "location_count": 1,
      "location_summary": "North Hills, California",
      "locations": [
        {
          "city": "North Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01894191"
    },
    {
      "nct_id": "NCT02041507",
      "title": "Water-aided Colonoscopy vs Air Insufflation Colonoscopy in Colorectal Cancer Screening",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer",
        "Colorectal Adenomas",
        "Colorectal Polyps",
        "Pain"
      ],
      "interventions": [
        {
          "name": "Air insufflation method.",
          "type": "OTHER"
        },
        {
          "name": "Water Immersion method.",
          "type": "OTHER"
        },
        {
          "name": "Water Exchange method.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Presidio Ospedaliero Santa Barbara",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "50 Years to 70 Years"
      },
      "enrollment_count": 1224,
      "start_date": "2014-02",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2016-04-13",
      "last_synced_at": "2026-09-24T14:04:24.903Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02041507"
    },
    {
      "nct_id": "NCT01954862",
      "title": "Comparison of Methods to Distend the Colon During Insertion: CO2, Air Insufflation, Water-aided Colonoscopy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain",
        "Colorectal Adenomas",
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Air Insufflation method.",
          "type": "OTHER"
        },
        {
          "name": "CO2 insufflation",
          "type": "OTHER"
        },
        {
          "name": "Water Immersion/CO2",
          "type": "OTHER"
        },
        {
          "name": "Water Exchange/CO2",
          "type": "OTHER"
        },
        {
          "name": "Water Immersion/AI",
          "type": "OTHER"
        },
        {
          "name": "Water Exchange/AI",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Presidio Ospedaliero Santa Barbara",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 624,
      "start_date": "2013-10",
      "completion_date": "2014-07",
      "has_results": false,
      "last_update_posted_date": "2014-07-31",
      "last_synced_at": "2026-09-24T14:04:24.903Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01954862"
    },
    {
      "nct_id": "NCT03231917",
      "title": "Water Immersion and Polyp Detection: A Randomized Controlled Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adenoma",
        "Colonic Neoplasms"
      ],
      "interventions": [
        {
          "name": "Water Infusion first",
          "type": "PROCEDURE"
        },
        {
          "name": "CO2 Insufflation First",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "White River Junction Veterans Affairs Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 121,
      "start_date": "2017-03-01",
      "completion_date": "2018-08-31",
      "has_results": true,
      "last_update_posted_date": "2019-07-12",
      "last_synced_at": "2026-09-24T14:04:24.903Z",
      "location_count": 2,
      "location_summary": "Farmington, Connecticut • Indianapolis, Indiana",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03231917"
    },
    {
      "nct_id": "NCT01780818",
      "title": "A Comparison of Air Insufflation, Water Immersion and Water Exchange Colonoscopy in CRC Screening",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain",
        "Colorectal Adenomas",
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Air Insufflation method.",
          "type": "OTHER"
        },
        {
          "name": "Water Immersion method.",
          "type": "OTHER"
        },
        {
          "name": "Water Exchange method.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Presidio Ospedaliero Santa Barbara",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "50 Years to 70 Years"
      },
      "enrollment_count": 288,
      "start_date": "2013-03",
      "completion_date": "2013-11",
      "has_results": false,
      "last_update_posted_date": "2014-01-15",
      "last_synced_at": "2026-09-24T14:04:24.903Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01780818"
    }
  ]
}