{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Roux-en-Y+Gastric+Bypass+or+Sleeve+Gastrectomy&page=2",
    "query": {
      "intervention": "Roux-en-Y Gastric Bypass or Sleeve Gastrectomy",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "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=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Roux-en-Y+Gastric+Bypass+or+Sleeve+Gastrectomy&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T11:25:50.900Z",
  "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": "NCT04050969",
      "title": "Bariatric Atrial Restoration of Sinus Rhythm",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Morbid Obesity"
      ],
      "interventions": [
        {
          "name": "Bariatric surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Atrial Fibrillation (AF) Catheter Ablation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Stanford University",
      "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": 1,
      "start_date": "2020-10-01",
      "completion_date": "2022-07-01",
      "has_results": false,
      "last_update_posted_date": "2022-10-19",
      "last_synced_at": "2026-10-10T11:25:50.900Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04050969"
    },
    {
      "nct_id": "NCT05874726",
      "title": "Biological Sample Repository for Gastrointestinal Disorders",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity",
        "Obesity, Morbid",
        "Obesity, Primary",
        "Gastro-Intestinal Disorder",
        "Overweight and Obesity",
        "Overweight",
        "Overweight or Obesity",
        "Diabetes Type 2",
        "Diabetes Mellitus",
        "Diabetes Mellitus, Type 2",
        "Hypertension",
        "Hyperlipidemias",
        "Sleep Apnea",
        "GERD",
        "Gastroesophageal Reflux",
        "Musculoskeletal Pain Disorder",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Blood Collection",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Urine Collection",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Tissue Sample Collection",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Pichamol Jirapinyo, MD, MPH",
      "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": "2023-07-19",
      "completion_date": "2029-04",
      "has_results": false,
      "last_update_posted_date": "2025-12-02",
      "last_synced_at": "2026-10-10T11:25:50.900Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05874726"
    },
    {
      "nct_id": "NCT04268849",
      "title": "Trial of IV vs Oral Iron Treatment of Iron Deficiency Anemia in the Post-Operative Bariatric Surgical Patient",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Iron Deficiency Anemia"
      ],
      "interventions": [
        {
          "name": "Ferumoxytol",
          "type": "DRUG"
        },
        {
          "name": "Saline",
          "type": "DRUG"
        },
        {
          "name": "Ferrous sulfate tablets",
          "type": "DRUG"
        },
        {
          "name": "Vitamin C",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Auerbach Hematology Oncology Associates P C",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 104,
      "start_date": "2020-02-27",
      "completion_date": "2026-02",
      "has_results": false,
      "last_update_posted_date": "2025-10-03",
      "last_synced_at": "2026-10-10T11:25:50.900Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04268849"
    },
    {
      "nct_id": "NCT01824797",
      "title": "Bone Metabolism After Bariatric Surgery",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity",
        "Osteoporosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "40 Years and older · Female only"
      },
      "enrollment_count": 42,
      "start_date": "2013-05",
      "completion_date": "2018-05-31",
      "has_results": false,
      "last_update_posted_date": "2019-08-16",
      "last_synced_at": "2026-10-10T11:25:50.900Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01824797"
    },
    {
      "nct_id": "NCT03436082",
      "title": "Post-Market Surveillance With a Novel mHealth Platform",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Gastrectomy",
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "A mobile health platform",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2018-01-26",
      "completion_date": "2018-12-25",
      "has_results": true,
      "last_update_posted_date": "2021-03-19",
      "last_synced_at": "2026-10-10T11:25:50.900Z",
      "location_count": 2,
      "location_summary": "New Haven, Connecticut • Rochester, Minnesota",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03436082"
    },
    {
      "nct_id": "NCT05903521",
      "title": "BAriatric Surgery Induced Chromosomal Change",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity, Morbid"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2023-06-12",
      "completion_date": "2025-01-20",
      "has_results": false,
      "last_update_posted_date": "2025-10-24",
      "last_synced_at": "2026-10-10T11:25:50.900Z",
      "location_count": 1,
      "location_summary": "Weston, Florida",
      "locations": [
        {
          "city": "Weston",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05903521"
    },
    {
      "nct_id": "NCT03540693",
      "title": "Fat Taste Sensory Study",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bariatric Surgery Candidate",
        "Bariatric Surgical Procedure"
      ],
      "interventions": [
        {
          "name": "RYGB",
          "type": "PROCEDURE"
        },
        {
          "name": "SG",
          "type": "PROCEDURE"
        },
        {
          "name": "LAGB",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 105,
      "start_date": "2018-04-06",
      "completion_date": "2023-07-06",
      "has_results": false,
      "last_update_posted_date": "2021-04-28",
      "last_synced_at": "2026-10-10T11:25:50.900Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03540693"
    },
    {
      "nct_id": "NCT02766322",
      "title": "Alcohol and Bariatric Surgery",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Oral Alcohol challenge test Alcohol visit first",
          "type": "OTHER"
        },
        {
          "name": "Oral Alcohol challenge test Placebo visit first",
          "type": "OTHER"
        },
        {
          "name": "Intravenous Alcohol Challenge Test (Clamp)",
          "type": "OTHER"
        },
        {
          "name": "Intravenous Alcohol Self-administration Test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "64 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 64 Years · Female only"
      },
      "enrollment_count": 54,
      "start_date": "2016-03",
      "completion_date": "2022-05-25",
      "has_results": false,
      "last_update_posted_date": "2025-03-11",
      "last_synced_at": "2026-10-10T11:25:50.900Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02766322"
    },
    {
      "nct_id": "NCT00627484",
      "title": "Changes in Insulin Sensitivity After Weight Loss",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity",
        "Type 2 Diabetes Mellitus",
        "Insulin Resistance"
      ],
      "interventions": [
        {
          "name": "Gastric bypass",
          "type": "PROCEDURE"
        },
        {
          "name": "Gastric banding",
          "type": "PROCEDURE"
        },
        {
          "name": "Sleeve gastrectomy",
          "type": "PROCEDURE"
        },
        {
          "name": "Very low calorie diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "Columbia University",
      "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": 119,
      "start_date": "2005-03-01",
      "completion_date": "2018-06-17",
      "has_results": false,
      "last_update_posted_date": "2019-09-19",
      "last_synced_at": "2026-10-10T11:25:50.900Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00627484"
    },
    {
      "nct_id": "NCT01228097",
      "title": "Neural Response to Eating and Weight Status",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 75,
      "start_date": "2010-04",
      "completion_date": "2015-01",
      "has_results": false,
      "last_update_posted_date": "2015-03-10",
      "last_synced_at": "2026-10-10T11:25:50.900Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01228097"
    }
  ]
}