{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Roux-En-Y+Gastric+Bypass&page=2",
    "query": {
      "intervention": "Roux-En-Y Gastric Bypass",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 261,
    "total_pages": 27,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Roux-En-Y+Gastric+Bypass&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Roux-En-Y+Gastric+Bypass&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T10:54:45.472Z",
  "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": "NCT03331536",
      "title": "Skeletal Health in Bariatric Surgery Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bariatric Surgery",
        "Osteoporosis",
        "Fractures, Bone",
        "Roux En-Y Gastric Bypass",
        "Sleeve Gastrectomy",
        "Menopause",
        "Premenopause"
      ],
      "interventions": [
        {
          "name": "Roux en Y Gastric Bypass Pre-menopausal",
          "type": "PROCEDURE"
        },
        {
          "name": "Roux en Y Gastric Bypass Post-menopausal",
          "type": "PROCEDURE"
        },
        {
          "name": "Sleeve Gastrectomy Pre-menopausal",
          "type": "PROCEDURE"
        },
        {
          "name": "Sleeve Gastrectomy Post-menopausal",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "19 Years and older · Female only"
      },
      "enrollment_count": 27,
      "start_date": "2018-03-22",
      "completion_date": "2020-08-02",
      "has_results": false,
      "last_update_posted_date": "2020-08-18",
      "last_synced_at": "2026-10-07T10:54:45.472Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03331536"
    },
    {
      "nct_id": "NCT06374875",
      "title": "Fibrosis Lessens After Metabolic Surgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Metabolic Dysfunction-associated Steatotic Liver Disease (MASLD)",
        "Non-Alcoholic Fatty Liver Disease",
        "Metabolic Dysfunction-Associated Steatohepatitis (MASH)",
        "Liver Fibrosis",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Metabolic surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Incretin-Based Therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 120,
      "start_date": "2024-07-11",
      "completion_date": "2029-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-31",
      "last_synced_at": "2026-10-07T10:54:45.472Z",
      "location_count": 4,
      "location_summary": "Phoenix, Arizona • Indianapolis, Indiana • Rochester, Minnesota + 1 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06374875"
    },
    {
      "nct_id": "NCT01474785",
      "title": "RYGB and the Gastric Adipose Axis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "human ghrelin",
          "type": "DRUG"
        },
        {
          "name": "very low calorie diet",
          "type": "OTHER"
        },
        {
          "name": "Hyperinsulinemic/Euglycemic Clamp",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt University",
      "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": 49,
      "start_date": "2012-01",
      "completion_date": "2015-07",
      "has_results": false,
      "last_update_posted_date": "2018-05-21",
      "last_synced_at": "2026-10-07T10:54:45.472Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01474785"
    },
    {
      "nct_id": "NCT07011628",
      "title": "Transition to Ambulatory Bariatric Surgery (TABS) Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity and Obesity-related Medical Conditions",
        "Bariatric Surgery"
      ],
      "interventions": [
        {
          "name": "Same Day Discharge",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "25 Years to 55 Years"
      },
      "enrollment_count": 200,
      "start_date": "2026-10-01",
      "completion_date": "2028-05-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-21",
      "last_synced_at": "2026-10-07T10:54:45.472Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07011628"
    },
    {
      "nct_id": "NCT00981500",
      "title": "Glucose Homeostasis Pre and Post Bariatric Surgery",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Morbid Obesity"
      ],
      "interventions": [
        {
          "name": "gastric bypass",
          "type": "PROCEDURE"
        },
        {
          "name": "gastric banding",
          "type": "PROCEDURE"
        },
        {
          "name": "sleeve gastrectomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "20 Years to 70 Years"
      },
      "enrollment_count": 60,
      "start_date": "2009-12",
      "completion_date": "2018-06",
      "has_results": false,
      "last_update_posted_date": "2018-08-10",
      "last_synced_at": "2026-10-07T10:54:45.472Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00981500"
    },
    {
      "nct_id": "NCT07587437",
      "title": "Preoperative Use of a Magnetically Controlled Capsule Endoscopy in Patients Undergoing Bariatric Surgery",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Bariatric Surgery Candidate",
        "Hypertension",
        "Diabetes"
      ],
      "interventions": [
        {
          "name": "Magnetically Controlled Capsule Endoscopy (MCCE)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Jerry Dang",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2025-08-01",
      "completion_date": "2027-01-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-10-07T10:54:45.472Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07587437"
    },
    {
      "nct_id": "NCT01722279",
      "title": "The Long Term Impact of Bariatric Surgery on Quality of Life",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Bariatric surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Ascension St. Vincent Carmel Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 414,
      "start_date": "2010-07",
      "completion_date": "2012-03",
      "has_results": false,
      "last_update_posted_date": "2012-11-06",
      "last_synced_at": "2026-10-07T10:54:45.472Z",
      "location_count": 1,
      "location_summary": "Carmel, Indiana",
      "locations": [
        {
          "city": "Carmel",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01722279"
    },
    {
      "nct_id": "NCT00641251",
      "title": "DSS: Diabetes Surgery Study - Intensive Medical Management of Type 2 Diabetes, With and Without Gastric Bypass Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 2 Diabetes",
        "Cardiovascular Disease"
      ],
      "interventions": [
        {
          "name": "intensive medical management",
          "type": "OTHER"
        },
        {
          "name": "RYGB & IMM",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Medtronic - MITG",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "67 Years",
        "sex": "ALL",
        "summary": "30 Years to 67 Years"
      },
      "enrollment_count": 120,
      "start_date": "2008-02",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2017-11-29",
      "last_synced_at": "2026-10-07T10:54:45.472Z",
      "location_count": 3,
      "location_summary": "Minneapolis, Minnesota • Rochester, Minnesota • New York, New York",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00641251"
    },
    {
      "nct_id": "NCT04428866",
      "title": "Mechanisms of Post-Bariatric Hypoglycemia",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypoglycemia"
      ],
      "interventions": [
        {
          "name": "Continuous Glucose Monitoring",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "activity monitor",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Mixed meal tolerance test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Glucagon Sensitivity Testing",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Hypoglycemic Hyperinsulinemic Clamp",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "analysis of fecal microbiome",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Joslin Diabetes Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 105,
      "start_date": "2020-02-26",
      "completion_date": "2024-09",
      "has_results": false,
      "last_update_posted_date": "2024-01-05",
      "last_synced_at": "2026-10-07T10:54:45.472Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04428866"
    },
    {
      "nct_id": "NCT05356000",
      "title": "GI Oxalate Absorption",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bariatric Surgery Candidate",
        "Kidney Stone"
      ],
      "interventions": [
        {
          "name": "Special low-oxalate diet followed by all-day visit to University of Chicago research clinic",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Chicago",
      "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": 30,
      "start_date": "2023-01-25",
      "completion_date": "2026-08-02",
      "has_results": false,
      "last_update_posted_date": "2025-08-19",
      "last_synced_at": "2026-10-07T10:54:45.472Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05356000"
    }
  ]
}