{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Major+Abdominal+Surgery",
    "query": {
      "intervention": "Major Abdominal Surgery"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 58,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Major+Abdominal+Surgery&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-09T11:58:56.380Z",
  "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": "NCT02526368",
      "title": "Pilot Study of (MR) Imaging With Pyruvate (13C) to Detect High Grade Prostate Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Prostate Cancer",
        "Localized Prostate Carcinoma"
      ],
      "interventions": [
        {
          "name": "Hyperpolarized 13C-Pyruvate",
          "type": "DRUG"
        },
        {
          "name": "Hyperpolarized 13C,15N2-urea",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Spectroscopic Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Ivan de Kouchkovsky, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 80,
      "start_date": "2016-03-22",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-30",
      "last_synced_at": "2026-09-09T11:58:56.380Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02526368"
    },
    {
      "nct_id": "NCT03281798",
      "title": "Fetal Cystoscopy for Severe Lower Urinary Tract Obstruction",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lower Urinary Tract Obstructive Syndrome",
        "Lower Urinary Tract Obstruction, Congenital",
        "Bladder Outlet Obstruction",
        "Bladder Outflow Obstruction"
      ],
      "interventions": [
        {
          "name": "Fetoscopes",
          "type": "DEVICE"
        },
        {
          "name": "Fetal Cystoscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Rodrigo Ruano",
      "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": 10,
      "start_date": "2018-01-01",
      "completion_date": "2028-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-24",
      "last_synced_at": "2026-09-09T11:58:56.380Z",
      "location_count": 2,
      "location_summary": "Miami, Florida • Rochester, Minnesota",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03281798"
    },
    {
      "nct_id": "NCT02591381",
      "title": "Transcorporal Versus Standard Artificial Urinary Sphincter Placement",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Urinary Stress Incontinence"
      ],
      "interventions": [
        {
          "name": "Artificial Urinary Sphincter Placement",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 3,
      "start_date": "2015-10",
      "completion_date": "2017-10",
      "has_results": false,
      "last_update_posted_date": "2018-05-04",
      "last_synced_at": "2026-09-09T11:58:56.380Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02591381"
    },
    {
      "nct_id": "NCT01848951",
      "title": "Comparison of Epidural and TAP Block in Abdominal Surgery",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Pain",
        "Surgery",
        "Regional Anesthesia"
      ],
      "interventions": [
        {
          "name": "Epidural",
          "type": "DRUG"
        },
        {
          "name": "TAP Block",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2014-02-01",
      "completion_date": "2016-12-01",
      "has_results": false,
      "last_update_posted_date": "2023-11-28",
      "last_synced_at": "2026-09-09T11:58:56.380Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01848951"
    },
    {
      "nct_id": "NCT05051722",
      "title": "Leveraging Methylated DNA Markers (MDMs) in the Detection of Endometrial Cancer, Ovarian Cancer, and Cervical Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Endometrial Cancer",
        "Cervical Cancer",
        "Atypical Endometrial Hyperplasia",
        "Cervical Dysplasia",
        "Adnexal Mass",
        "Ovarian Cancer"
      ],
      "interventions": [
        {
          "name": "Vaginal Fluid Collection",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood Collection",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Mayo Clinic",
      "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": 3110,
      "start_date": "2021-08-03",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-17",
      "last_synced_at": "2026-09-09T11:58:56.380Z",
      "location_count": 24,
      "location_summary": "Phoenix, Arizona • Jacksonville, Florida • Miami, Florida + 20 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05051722"
    },
    {
      "nct_id": "NCT02197988",
      "title": "TAP Versus Thoracic Epidural in Major Abdominal Resections",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Malignant Neoplasm of Abdomen",
        "Surgery"
      ],
      "interventions": [
        {
          "name": "Exparel 1.33% (20ml Volume)",
          "type": "DRUG"
        },
        {
          "name": "0.125% bupivicaine with 2 mcg/ml Fentanyl.",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Corewell Health West",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "2013-12-03",
      "completion_date": "2016-08",
      "has_results": false,
      "last_update_posted_date": "2018-04-17",
      "last_synced_at": "2026-09-09T11:58:56.380Z",
      "location_count": 1,
      "location_summary": "Grand Rapids, Michigan",
      "locations": [
        {
          "city": "Grand Rapids",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02197988"
    },
    {
      "nct_id": "NCT06184919",
      "title": "Preparing Older Adults for Major Surgery With Preoperative Comprehensive Geriatric Assessments",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Surgery",
        "Aging",
        "Health Care Utilization",
        "Frailty"
      ],
      "interventions": [
        {
          "name": "Process Mapping: Observations",
          "type": "OTHER"
        },
        {
          "name": "Process Mapping: Interviews",
          "type": "OTHER"
        },
        {
          "name": "Process Mapping: Focus Group",
          "type": "OTHER"
        },
        {
          "name": "Participatory Design",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 50,
      "start_date": "2023-06-14",
      "completion_date": "2028-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-02-12",
      "last_synced_at": "2026-09-09T11:58:56.380Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06184919"
    },
    {
      "nct_id": "NCT00226395",
      "title": "Efficacy and Safety of Oxymorphone Immediate Release in Post-surgical Acute Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acute Pain"
      ],
      "interventions": [
        {
          "name": "Oxymorphone immediate release",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Endo USA Inc., a Keenova Therapeutics Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 320,
      "start_date": "2004-09",
      "completion_date": "2005-08",
      "has_results": false,
      "last_update_posted_date": "2024-01-02",
      "last_synced_at": "2026-09-09T11:58:56.380Z",
      "location_count": 21,
      "location_summary": "Birmingham, Alabama • Montgomery, Alabama • Phoenix, Arizona + 10 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00226395"
    },
    {
      "nct_id": "NCT00892632",
      "title": "Confocal Endomicroscopy for Biliary Strictures -Phase I",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Biliary Stricture"
      ],
      "interventions": [
        {
          "name": "ERCP and Confocal imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 12,
      "start_date": "2009-04",
      "completion_date": "2011-02",
      "has_results": false,
      "last_update_posted_date": "2012-02-24",
      "last_synced_at": "2026-09-09T11:58:56.380Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00892632"
    },
    {
      "nct_id": "NCT05814016",
      "title": "A Study of Danavorexton in People With Obstructive Sleep Apnea After General Anesthesia for Abdominal Surgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sleep Apnea"
      ],
      "interventions": [
        {
          "name": "Danavorexton",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "30 Years to 75 Years"
      },
      "enrollment_count": 41,
      "start_date": "2023-05-11",
      "completion_date": "2024-09-25",
      "has_results": false,
      "last_update_posted_date": "2025-09-16",
      "last_synced_at": "2026-09-09T11:58:56.380Z",
      "location_count": 19,
      "location_summary": "Sheffield, Alabama • Phoenix, Arizona • La Jolla, California + 14 more",
      "locations": [
        {
          "city": "Sheffield",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "West Hollywood",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05814016"
    }
  ]
}