{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Roux-en-Y+Gastric+Bypass+or+Sleeve+Gastrectomy",
    "query": {
      "intervention": "Roux-en-Y Gastric Bypass or Sleeve Gastrectomy"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 37,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Roux-en-Y+Gastric+Bypass+or+Sleeve+Gastrectomy&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T17:31:31.321Z",
  "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": "NCT02598531",
      "title": "Surgical Weight-Loss to Improve Functional Status Trajectories Following Total Knee Arthroplasty (SWIFT Trial)",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity",
        "Osteoarthritis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Geisinger Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "22 Years to 75 Years"
      },
      "enrollment_count": 289,
      "start_date": "2016-01",
      "completion_date": "2024-10-31",
      "has_results": false,
      "last_update_posted_date": "2025-01-22",
      "last_synced_at": "2026-10-10T17:31:31.321Z",
      "location_count": 1,
      "location_summary": "Danville, Pennsylvania",
      "locations": [
        {
          "city": "Danville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02598531"
    },
    {
      "nct_id": "NCT04940429",
      "title": "Eye Movement Testing in Patients With Obesity and the Impact of Weight Loss Surgery",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bariatric Surgery Candidate",
        "Obesity, Morbid"
      ],
      "interventions": [
        {
          "name": "Neurofit",
          "type": "DEVICE"
        },
        {
          "name": "Psychometric hepatic encephalopathy score",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Stanford 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": 19,
      "start_date": "2018-11-27",
      "completion_date": "2021-06-17",
      "has_results": false,
      "last_update_posted_date": "2021-06-25",
      "last_synced_at": "2026-10-10T17:31:31.321Z",
      "location_count": 1,
      "location_summary": "Redwood City, California",
      "locations": [
        {
          "city": "Redwood City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04940429"
    },
    {
      "nct_id": "NCT05486325",
      "title": "Pilot Study of the Endolumik Gastric Calibration Tube for Bariatric Surgery",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Morbid Obesity"
      ],
      "interventions": [
        {
          "name": "Endolumik Gastric Calibration Tube (EGCT)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Endolumik, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 30,
      "start_date": "2022-08",
      "completion_date": "2022-12",
      "has_results": false,
      "last_update_posted_date": "2022-08-03",
      "last_synced_at": "2026-10-10T17:31:31.321Z",
      "location_count": 1,
      "location_summary": "Morgantown, West Virginia",
      "locations": [
        {
          "city": "Morgantown",
          "state": "West Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05486325"
    },
    {
      "nct_id": "NCT02165059",
      "title": "GI Neuromuscular Pathology Prospective Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Gastroparesis"
      ],
      "interventions": [
        {
          "name": "Surgical Full Thickness Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "6 Months to 90 Years"
      },
      "enrollment_count": 300,
      "start_date": "2013-12-01",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-06-16",
      "last_synced_at": "2026-10-10T17:31:31.321Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02165059"
    },
    {
      "nct_id": "NCT05725967",
      "title": "Endoscopic Metabolic and Bariatric Therapies",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity",
        "Obesity, Morbid",
        "Obesity Associated Disorder",
        "Bariatric Surgery Candidate",
        "Fistula, Gastric",
        "Roux-en-y Anastomosis Site",
        "Ulcer, Gastric",
        "Abdominal Pain",
        "Abdominal Obesity",
        "Complication of Surgical Procedure",
        "Complication of Treatment",
        "Complication,Postoperative",
        "Weight Gain",
        "Weight Loss",
        "Leak, Anastomotic",
        "Delayed Gastric Emptying Following Procedure"
      ],
      "interventions": [
        {
          "name": "Primary Obesity Endoscopic Procedures",
          "type": "PROCEDURE"
        },
        {
          "name": "Endoscopic Revision of Bariatric Surgical Procedures",
          "type": "PROCEDURE"
        },
        {
          "name": "Bariatric Surgery Procedures",
          "type": "PROCEDURE"
        },
        {
          "name": "Endoscopic Sleeve Gastroplasty, Trans-oral Outlet Reduction",
          "type": "DEVICE"
        },
        {
          "name": "Intragastric Balloon",
          "type": "DEVICE"
        },
        {
          "name": "Primary obesity surgery endoluminal, Restorative obesity surgery endoluminal",
          "type": "DEVICE"
        },
        {
          "name": "Argon Plasma Coagulation, Gastroplasty with Endoscopic Myotomy, Bariatric Endoscopic Antral Myotomy, Pylorus Sparing Antral Myotomy",
          "type": "DEVICE"
        },
        {
          "name": "Aspiration Therapy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE"
      ],
      "sponsor": "Christopher C. Thompson, MD, MSc",
      "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": 5000,
      "start_date": "2022-07-08",
      "completion_date": "2029-05-28",
      "has_results": false,
      "last_update_posted_date": "2025-12-02",
      "last_synced_at": "2026-10-10T17:31:31.321Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05725967"
    },
    {
      "nct_id": "NCT03263390",
      "title": "Modeling the Neurological Basis and Characterizing the Neurological Phenotype of Obesity Using Human Neural Stem Cells",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity, Morbid"
      ],
      "interventions": [
        {
          "name": "Bariatric Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Anti Obesity Drugs",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 6,
      "start_date": "2017-10-05",
      "completion_date": "2020-08-10",
      "has_results": false,
      "last_update_posted_date": "2020-12-16",
      "last_synced_at": "2026-10-10T17:31:31.321Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03263390"
    },
    {
      "nct_id": "NCT04590690",
      "title": "Gut Microbiome and Sex as Risk Factors for Kidney Stones After Bariatric Surgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bariatric Surgery Candidate"
      ],
      "interventions": [
        {
          "name": "Special diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "130 Years",
        "sex": "ALL",
        "summary": "18 Years to 130 Years"
      },
      "enrollment_count": 28,
      "start_date": "2020-11-01",
      "completion_date": "2027-05-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-10-10T17:31:31.321Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04590690"
    },
    {
      "nct_id": "NCT03407833",
      "title": "Physiologic and Functional Adaptations of Insulin Sensitive Tissues",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetes",
        "Insulin Resistance",
        "Obesity",
        "Bariatric Surgery Candidate",
        "Roux-en-y Gastric Bypass",
        "Liver Diseases"
      ],
      "interventions": [
        {
          "name": "Endoscopy biopsy",
          "type": "OTHER"
        },
        {
          "name": "Surgical biopsy",
          "type": "OTHER"
        },
        {
          "name": "Mixed-meal tolerance test",
          "type": "OTHER"
        },
        {
          "name": "Excised Liver Tissue Sampling",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2018-02-13",
      "completion_date": "2028-02",
      "has_results": false,
      "last_update_posted_date": "2025-12-18",
      "last_synced_at": "2026-10-10T17:31:31.321Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03407833"
    },
    {
      "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": "2026-10-10T17:31:31.321Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01063959"
    },
    {
      "nct_id": "NCT00675558",
      "title": "Bariatric Surgery for Morbid Obesity",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity",
        "Morbid Obesity"
      ],
      "interventions": [
        {
          "name": "Initial Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Second Bariatric Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 50,
      "start_date": "2006-11",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2013-07-26",
      "last_synced_at": "2026-10-10T17:31:31.321Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00675558"
    }
  ]
}