{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Gastric+Surgery&page=4",
    "query": {
      "condition": "Gastric Surgery",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 308,
    "total_pages": 31,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Gastric+Surgery&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Gastric+Surgery&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T16:27:59.841Z",
  "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": "NCT02058199",
      "title": "Rivaroxaban Effects in Subjects Who Have Undergone Gastric Bypass Surgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Gastric Bypass Status"
      ],
      "interventions": [
        {
          "name": "rivaroxaban",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "State University of New York - Upstate Medical University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2014-12",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2016-01-05",
      "last_synced_at": "2026-10-07T16:27:59.841Z",
      "location_count": 1,
      "location_summary": "Syracuse, New York",
      "locations": [
        {
          "city": "Syracuse",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02058199"
    },
    {
      "nct_id": "NCT01867255",
      "title": "Study to Examine the Effect of Gastric Bypass Surgery on Venlafaxine ER Blood Levels",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Bariatric Surgery",
        "Gastric Bypass",
        "Roux-en-Y Gastric Bypass"
      ],
      "interventions": [
        {
          "name": "venlafaxine ER (extended-release) 75 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2013-10",
      "completion_date": "2015-03",
      "has_results": false,
      "last_update_posted_date": "2015-12-23",
      "last_synced_at": "2026-10-07T16:27:59.841Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01867255"
    },
    {
      "nct_id": "NCT03201952",
      "title": "Examination of the Metabolic Effects of Direct Bile Salt Delivery to the Ileum in Humans",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Glucose Intolerance",
        "Gastric Bypass Surgery"
      ],
      "interventions": [
        {
          "name": "Ursodeoxycholic Acid",
          "type": "DRUG"
        },
        {
          "name": "Placebos",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2018-02-01",
      "completion_date": "2020-05-01",
      "has_results": false,
      "last_update_posted_date": "2021-04-20",
      "last_synced_at": "2026-10-07T16:27:59.841Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03201952"
    },
    {
      "nct_id": "NCT03526263",
      "title": "Endoscopic Gastric Mucosal Devitalization (GMD) as a Primary Obesity Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Obesity, Morbid",
        "Obesity; Endocrine",
        "Bariatric Surgery Candidate"
      ],
      "interventions": [
        {
          "name": "Gastric mucosal devitalization",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "28 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "28 Years to 60 Years"
      },
      "enrollment_count": 6,
      "start_date": "2018-06-07",
      "completion_date": "2018-11-29",
      "has_results": false,
      "last_update_posted_date": "2019-09-24",
      "last_synced_at": "2026-10-07T16:27:59.841Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03526263"
    },
    {
      "nct_id": "NCT01130207",
      "title": "Microbes and Bariatric Surgery",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity",
        "Diabetes",
        "Periodontal Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "State University of New York - Upstate Medical 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": 34,
      "start_date": "2010-05",
      "completion_date": "2013-08",
      "has_results": false,
      "last_update_posted_date": "2014-11-19",
      "last_synced_at": "2026-10-07T16:27:59.841Z",
      "location_count": 1,
      "location_summary": "Syracuse, New York",
      "locations": [
        {
          "city": "Syracuse",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01130207"
    },
    {
      "nct_id": "NCT07140289",
      "title": "Effect of Glucagon-like Peptide-1 Receptor Agonists (GLP-1 RA) on Gastric Emptying",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Gastric Emptying",
        "Glucagon-Like Peptide-1 Receptor Agonists",
        "Intermittent Fasting",
        "Intraoperative Complication Due to Anesthesia",
        "Respiratory Aspiration of Gastric Contents"
      ],
      "interventions": [
        {
          "name": "Ultrasound of gastric contents",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Wael Saasouh, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 100,
      "start_date": "2025-09-01",
      "completion_date": "2028-06-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-16",
      "last_synced_at": "2026-10-07T16:27:59.841Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07140289"
    },
    {
      "nct_id": "NCT01590914",
      "title": "Brain Activation in Response to Appetitive Cues Pre- and Post- Bariatric Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Fed Condition",
          "type": "PROCEDURE"
        },
        {
          "name": "Fasted Condition",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "New York Obesity and Nutrition Research Center",
      "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": 120,
      "start_date": "2008-01",
      "completion_date": "2014-01",
      "has_results": false,
      "last_update_posted_date": "2024-08-27",
      "last_synced_at": "2026-10-07T16:27:59.841Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01590914"
    },
    {
      "nct_id": "NCT04609592",
      "title": "Study of PRRT in Metastatic, WHO Grade 1 or 2, SSTR Positive, GEP-NET Who Are Candidates for Cytoreductive Surgery",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Gastroenteropancreatic Neuroendocrine Tumor"
      ],
      "interventions": [
        {
          "name": "Lutathera",
          "type": "DRUG"
        },
        {
          "name": "Gallium 68 Dotatate",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography (CT)",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging (MRI)",
          "type": "PROCEDURE"
        },
        {
          "name": "PET/CT",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2021-03-17",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-08-12",
      "last_synced_at": "2026-10-07T16:27:59.841Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04609592"
    },
    {
      "nct_id": "NCT01941134",
      "title": "Changes in Oral Contraceptive Hormones After Gastric Bypass Surgery",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Bariatric Surgery Candidate",
        "Contraception"
      ],
      "interventions": [
        {
          "name": "ethinyl estradiol-levonorgestrel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2013-04",
      "completion_date": "2017-12-06",
      "has_results": false,
      "last_update_posted_date": "2018-03-21",
      "last_synced_at": "2026-10-07T16:27:59.841Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01941134"
    },
    {
      "nct_id": "NCT03272542",
      "title": "PRebiotic to IMprovE Calcium Absorption",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Prebiotic: soluble corn fiber",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo: maltodextrin",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "San Francisco Veterans Affairs Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 75 Years · Female only"
      },
      "enrollment_count": 20,
      "start_date": "2017-11-21",
      "completion_date": "2020-01-31",
      "has_results": false,
      "last_update_posted_date": "2020-10-22",
      "last_synced_at": "2026-10-07T16:27:59.841Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03272542"
    }
  ]
}