{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Roux-en-Y+gastric+bypass+surgery&page=5",
    "query": {
      "intervention": "Roux-en-Y gastric bypass surgery",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 229,
    "total_pages": 23,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Roux-en-Y+gastric+bypass+surgery&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Roux-en-Y+gastric+bypass+surgery&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-12T20:40:04.112Z",
  "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": "NCT00671957",
      "title": "Energy Expenditure and Gastric Bypass Surgery Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Morbid Obesity"
      ],
      "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": 40,
      "start_date": "2006-02",
      "completion_date": "2019-06",
      "has_results": false,
      "last_update_posted_date": "2019-06-21",
      "last_synced_at": "2026-10-12T20:40:04.112Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00671957"
    },
    {
      "nct_id": "NCT00469391",
      "title": "Multi-Center Pre-Bariatric Weight Loss Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "GI Sleeve Implantable weight loss device (EndoBarrier)",
          "type": "DEVICE"
        },
        {
          "name": "Sham Procedure",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Morphic Medical Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 56,
      "start_date": "2007-06",
      "completion_date": "2008-10",
      "has_results": true,
      "last_update_posted_date": "2017-02-15",
      "last_synced_at": "2026-10-12T20:40:04.112Z",
      "location_count": 4,
      "location_summary": "Weston, Florida • Burlington, Massachusetts • Lebanon, New Hampshire + 1 more",
      "locations": [
        {
          "city": "Weston",
          "state": "Florida"
        },
        {
          "city": "Burlington",
          "state": "Massachusetts"
        },
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00469391"
    },
    {
      "nct_id": "NCT01317147",
      "title": "The Effect of Gastric Bypass on the Pharmacokinetics of Serotonin Reuptake Inhibitors",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Gastric Bypass",
        "Depression",
        "Anxiety Disorder"
      ],
      "interventions": [
        {
          "name": "Roux-en-Y gastric bypass (RYGBP)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 12,
      "start_date": "2007-08",
      "completion_date": "2010-08",
      "has_results": false,
      "last_update_posted_date": "2011-03-17",
      "last_synced_at": "2026-10-12T20:40:04.112Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01317147"
    },
    {
      "nct_id": "NCT04781946",
      "title": "Management of Symptomatic Gastric Sleeve Stenosis After Laparoscopic Sleeve Gastrectomy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gastric Stenosis"
      ],
      "interventions": [
        {
          "name": "Endoscopic pneumatic balloon dilation",
          "type": "PROCEDURE"
        },
        {
          "name": "Gastric peroral endoscopic myotomy (G-POEM)",
          "type": "PROCEDURE"
        },
        {
          "name": "Roux-en-Y gastric bypass (RYGB)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 0,
      "start_date": "2021-08-30",
      "completion_date": "2023-07-01",
      "has_results": false,
      "last_update_posted_date": "2023-07-13",
      "last_synced_at": "2026-10-12T20:40:04.112Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04781946"
    },
    {
      "nct_id": "NCT01063959",
      "title": "Sleeve Gastrectomy Versus Gastric Bypass for Private Pay Patients Seeking Obesity Surgery",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Morbid Obesity"
      ],
      "interventions": [
        {
          "name": "Laparoscopic Sleeve Gastrectomy",
          "type": "PROCEDURE"
        },
        {
          "name": "Laparoscopic Gastric Bypass",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Pennington Biomedical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2010-02",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2015-12-18",
      "last_synced_at": "2026-10-12T20:40:04.112Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01063959"
    },
    {
      "nct_id": "NCT01861574",
      "title": "Transcranial Magnetic Stimulation Effects on Pain Perception",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gastric Bypass Surgery Pain Management"
      ],
      "interventions": [
        {
          "name": "Real TMS 45 min",
          "type": "DEVICE"
        },
        {
          "name": "Sham TMS 45 min",
          "type": "DEVICE"
        },
        {
          "name": "Real TMS 4 Hours",
          "type": "DEVICE"
        },
        {
          "name": "Sham TMS 4 Hours",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 108,
      "start_date": "2005-02",
      "completion_date": "2011-06",
      "has_results": true,
      "last_update_posted_date": "2018-09-27",
      "last_synced_at": "2026-10-12T20:40:04.112Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01861574"
    },
    {
      "nct_id": "NCT02679118",
      "title": "Evaluation of the Ability to Detect Bowel Gas During Laparoscopic Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Intestinal Perforation"
      ],
      "interventions": [
        {
          "name": "Sentire",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Dan E. Azagury",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8,
      "start_date": "2016-02",
      "completion_date": "2016-06",
      "has_results": false,
      "last_update_posted_date": "2017-08-18",
      "last_synced_at": "2026-10-12T20:40:04.112Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02679118"
    },
    {
      "nct_id": "NCT01041079",
      "title": "Chronic Marginal Ulcers After Gastric Bypass",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Marginal Ulcer",
        "Chronic Ulcer Disease",
        "Persistent Ulcer Disease",
        "Recurrent Ulcer Disease",
        "Late Morbidity After Gastric Bypass"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 50,
      "start_date": "2008-12",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2010-01-01",
      "last_synced_at": "2026-10-12T20:40:04.112Z",
      "location_count": 1,
      "location_summary": "Fresno, California",
      "locations": [
        {
          "city": "Fresno",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01041079"
    },
    {
      "nct_id": "NCT00488423",
      "title": "Glucose Metabolism in the Immediate and Short Term Follow up After Bariatric Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Diabetes",
        "Gastric Bypass"
      ],
      "interventions": [
        {
          "name": "Mixed Meal Tolerance test, Hyperglycemic clamp",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "19 Years to 65 Years"
      },
      "enrollment_count": 21,
      "start_date": "2006-11",
      "completion_date": "2008-11",
      "has_results": false,
      "last_update_posted_date": "2011-06-22",
      "last_synced_at": "2026-10-12T20:40:04.112Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00488423"
    },
    {
      "nct_id": "NCT02772718",
      "title": "An Open-Label Study of XOMA 358 in Patients With Hypoglycemia After Gastric Bypass Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypoglycemia"
      ],
      "interventions": [
        {
          "name": "XOMA 358 single dose level A",
          "type": "DRUG"
        },
        {
          "name": "XOMA 358 single dose level B",
          "type": "DRUG"
        },
        {
          "name": "XOMA 358 single dose level C",
          "type": "DRUG"
        },
        {
          "name": "XOMA 358 multiple dose level 1",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "XOMA (US) LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2016-04",
      "completion_date": "2021-05",
      "has_results": false,
      "last_update_posted_date": "2021-05-21",
      "last_synced_at": "2026-10-12T20:40:04.112Z",
      "location_count": 5,
      "location_summary": "Aurora, Colorado • Chicago, Illinois • Baltimore, Maryland + 2 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02772718"
    }
  ]
}