{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Roux-en-y+Gastric+Bypass&page=4",
    "query": {
      "condition": "Roux-en-y Gastric Bypass",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 201,
    "total_pages": 21,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Roux-en-y+Gastric+Bypass&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Roux-en-y+Gastric+Bypass&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-14T12:24:15.369Z",
  "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": "NCT00512512",
      "title": "Transoral Endoscopic Liver Biopsy During Laparoscopic Gastric Bypass",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Steatohepatitis",
        "Morbid Obesity"
      ],
      "interventions": [
        {
          "name": "Transoral Endoscopic Liver Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2007-06",
      "completion_date": "2009-06",
      "has_results": false,
      "last_update_posted_date": "2010-07-01",
      "last_synced_at": "2026-10-14T12:24:15.369Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00512512"
    },
    {
      "nct_id": "NCT00992901",
      "title": "Role of Neural and Hormonal Regulation Factors on Insulin Secretion After Gastric Bypass Surgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Post Bariatricsurgery",
        "Hypoglycemia"
      ],
      "interventions": [
        {
          "name": "Exendin-(9-39)",
          "type": "DRUG"
        },
        {
          "name": "Atropine",
          "type": "DRUG"
        },
        {
          "name": "GLP-1 and GIP",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 160,
      "start_date": "2009-10",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2025-09-09",
      "last_synced_at": "2026-10-14T12:24:15.369Z",
      "location_count": 2,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00992901"
    },
    {
      "nct_id": "NCT01015976",
      "title": "A Preliminary Comparison of the Blood Levels of Medications in Obese Subjects Compared to Post-Gastric Bypass Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "bariatric surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Neuropsychiatric Research Institute, Fargo, North Dakota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 10,
      "start_date": "2009-02",
      "completion_date": "2010-04",
      "has_results": true,
      "last_update_posted_date": "2014-03-31",
      "last_synced_at": "2026-10-14T12:24:15.369Z",
      "location_count": 1,
      "location_summary": "Fargo, North Dakota",
      "locations": [
        {
          "city": "Fargo",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01015976"
    },
    {
      "nct_id": "NCT04049786",
      "title": "Impact of Bariatric Surgery on Pharmacokinetic Study of Simvastatin and Carvedilol",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Obesity",
        "Bariatric Surgery",
        "Roux-en Y Gastric Bypass"
      ],
      "interventions": [
        {
          "name": "Digestive biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Carvedilol 25mg",
          "type": "DRUG"
        },
        {
          "name": "Serial blood sampling for PK analysis",
          "type": "PROCEDURE"
        },
        {
          "name": "Metoprolol 100 mg for CYP2D6 phenotyping",
          "type": "DRUG"
        },
        {
          "name": "Simvastatin 40mg",
          "type": "DRUG"
        },
        {
          "name": "Midazolam 2 mg for CYP3A4 phenotyping",
          "type": "DRUG"
        },
        {
          "name": "Genotyping",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Natalia Valadares de Moraes",
      "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": 120,
      "start_date": "2019-06-01",
      "completion_date": "2023-08",
      "has_results": false,
      "last_update_posted_date": "2022-02-08",
      "last_synced_at": "2026-10-14T12:24:15.369Z",
      "location_count": 1,
      "location_summary": "Orlando, Florida",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04049786"
    },
    {
      "nct_id": "NCT01536197",
      "title": "Taste Perception 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": 33,
      "start_date": "2009-09",
      "completion_date": "2013-06",
      "has_results": true,
      "last_update_posted_date": "2017-12-18",
      "last_synced_at": "2026-10-14T12:24:15.369Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01536197"
    },
    {
      "nct_id": "NCT00886236",
      "title": "Study of the Effect of the Drug Gabapentin on Postoperative Pain and Incidence of Postoperative Nausea and Vomiting",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity, Morbid",
        "Postoperative Pain",
        "Postoperative Nausea and Vomiting"
      ],
      "interventions": [
        {
          "name": "Gabapentin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Medical University of South Carolina",
      "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": 62,
      "start_date": "2008-02",
      "completion_date": "2011-01",
      "has_results": true,
      "last_update_posted_date": "2018-09-20",
      "last_synced_at": "2026-10-14T12:24:15.369Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00886236"
    },
    {
      "nct_id": "NCT03187379",
      "title": "Efficacy of Exparel (TM) on Post-operative Pain After Laparoscopic Gastric Bypass Using Circular EEA Stapler",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Post-operative Pain Management"
      ],
      "interventions": [
        {
          "name": "Exparel",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Matthew Kroh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 102,
      "start_date": "2017-06-01",
      "completion_date": "2021-02-01",
      "has_results": true,
      "last_update_posted_date": "2022-06-21",
      "last_synced_at": "2026-10-14T12:24:15.369Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03187379"
    },
    {
      "nct_id": "NCT00444392",
      "title": "Impact of Gastric Bypass Surgery on Risk of CVD in Type 2 Diabetes Mellitus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Obese Patients",
        "Type 2 Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Calorie controlled diabetic diet for the control patients",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Vanderbilt University",
      "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": 9,
      "start_date": "2007-03",
      "completion_date": "2009-03",
      "has_results": false,
      "last_update_posted_date": "2016-11-21",
      "last_synced_at": "2026-10-14T12:24:15.369Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00444392"
    },
    {
      "nct_id": "NCT06803888",
      "title": "Bariatric Surgery vs. Semaglutide vs. Tirzepatide",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Obesity and Obesity-related Medical Conditions"
      ],
      "interventions": [
        {
          "name": "Bariatric Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Semaglutide",
          "type": "DRUG"
        },
        {
          "name": "Tirzepatide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Ali Aminian",
      "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": 140,
      "start_date": "2025-01-29",
      "completion_date": "2027-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-03",
      "last_synced_at": "2026-10-14T12:24:15.369Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06803888"
    },
    {
      "nct_id": "NCT05799105",
      "title": "OPEN Versus InTact Capsule Proton Pump Inhibitors for the Treatment of Marginal Ulcers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Marginal Ulcer"
      ],
      "interventions": [
        {
          "name": "Omeprazole 40 milligrams",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stephen Firkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 122,
      "start_date": "2023-03-14",
      "completion_date": "2027-03-23",
      "has_results": false,
      "last_update_posted_date": "2026-03-19",
      "last_synced_at": "2026-10-14T12:24:15.369Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05799105"
    }
  ]
}