{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Water+Infusion+Colonoscopy",
    "query": {
      "intervention": "Water Infusion Colonoscopy"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 22,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Water+Infusion+Colonoscopy&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-11T16:56:38.475Z",
  "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": "NCT01729416",
      "title": "Prospective Randomized Controlled Trial Comparing Water and Air Colonoscopy in a Community Based Setting",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tubular Adenoma",
        "Colon Cancer",
        "Hyperplastic Polyp"
      ],
      "interventions": [
        {
          "name": "Water Exchange Colonoscopy",
          "type": "OTHER"
        },
        {
          "name": "Air Colonoscopy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 178,
      "start_date": "2014-02",
      "completion_date": "2015-04",
      "has_results": false,
      "last_update_posted_date": "2017-05-31",
      "last_synced_at": "2026-09-11T16:56:38.475Z",
      "location_count": 1,
      "location_summary": "Elk Grove, California",
      "locations": [
        {
          "city": "Elk Grove",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01729416"
    },
    {
      "nct_id": "NCT01383252",
      "title": "Unsedated Colonoscopy for Colorectal Cancer Screening and Surveillance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colon Polyp"
      ],
      "interventions": [
        {
          "name": "Water infusion in lieu of air insufflation",
          "type": "PROCEDURE"
        },
        {
          "name": "Air method",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "VA Northern California Health Care System",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 10,
      "start_date": "2010-02",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2013-06-17",
      "last_synced_at": "2026-09-11T16:56:38.475Z",
      "location_count": 1,
      "location_summary": "Mather, California",
      "locations": [
        {
          "city": "Mather",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01383252"
    },
    {
      "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": "2026-09-11T16:56:38.475Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01954862"
    },
    {
      "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": "2026-09-11T16:56:38.475Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01781650"
    },
    {
      "nct_id": "NCT01782014",
      "title": "Comparison of Adenoma Detection Rate Among Water, Carbon Dioxide and Air Methods of Minimal Sedation Colonoscopy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Screening Colonoscopy"
      ],
      "interventions": [
        {
          "name": "colonoscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Loma Linda University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 450,
      "start_date": "2013-02",
      "completion_date": "2015-03",
      "has_results": false,
      "last_update_posted_date": "2016-02-01",
      "last_synced_at": "2026-09-11T16:56:38.475Z",
      "location_count": 1,
      "location_summary": "Loma Linda, California",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01782014"
    },
    {
      "nct_id": "NCT01790425",
      "title": "Randomized Controlled Trial Comparing Water vs. Air Method for Performing Colonoscopy in Adult Female Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Screening for Colon Cancer"
      ],
      "interventions": [
        {
          "name": "to infuse water into colon to open the lumen for water infusion colonoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Air colonoscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 80 Years · Female only"
      },
      "enrollment_count": 200,
      "start_date": "2011-08",
      "completion_date": "2015-03",
      "has_results": false,
      "last_update_posted_date": "2017-06-27",
      "last_synced_at": "2026-09-11T16:56:38.475Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01790425"
    },
    {
      "nct_id": "NCT03209349",
      "title": "Investigation of Cecal Intubation Rates and Pain Levels Between Water Exchange and Air Insufflation Flexible Sigmoidoscopy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Water Exchange Sigmoidoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Air Insufflation Sigmoidoscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Kelowna Gastroenterology Associates",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "50 Years to 74 Years"
      },
      "enrollment_count": 90,
      "start_date": "2017-06-14",
      "completion_date": "2022-11-03",
      "has_results": false,
      "last_update_posted_date": "2022-11-07",
      "last_synced_at": "2026-09-11T16:56:38.475Z",
      "location_count": 1,
      "location_summary": "North Hills, California",
      "locations": [
        {
          "city": "North Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03209349"
    },
    {
      "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": "2026-09-11T16:56:38.475Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02041507"
    },
    {
      "nct_id": "NCT02889679",
      "title": "Underwater Resection of Non-pedunculated Colorectal Lesions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Neoplasms"
      ],
      "interventions": [
        {
          "name": "Underwater resection",
          "type": "PROCEDURE"
        },
        {
          "name": "Conventional (gas distended colon) resection",
          "type": "PROCEDURE"
        },
        {
          "name": "Standard polypectomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "VA Northern California Health Care System",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 600,
      "start_date": "2016-09",
      "completion_date": "2018-10",
      "has_results": false,
      "last_update_posted_date": "2018-12-20",
      "last_synced_at": "2026-09-11T16:56:38.475Z",
      "location_count": 1,
      "location_summary": "Mather, California",
      "locations": [
        {
          "city": "Mather",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02889679"
    },
    {
      "nct_id": "NCT01482546",
      "title": "Comparing Clinical Performance of Novice Trainee Endoscopists Using Conventional Air Insufflation Versus Warm Water Infusion Colonoscopy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colonoscopy Education"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2012-05",
      "completion_date": "2016-09",
      "has_results": false,
      "last_update_posted_date": "2017-06-27",
      "last_synced_at": "2026-09-11T16:56:38.475Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01482546"
    }
  ]
}