{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=open+surgery&page=33",
    "query": {
      "intervention": "open surgery",
      "page": 33
    },
    "page_size": 10
  },
  "pagination": {
    "page": 33,
    "page_size": 10,
    "total_count": 1549,
    "total_pages": 155,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=open+surgery&page=34&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=open+surgery&page=32&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-26T21:51:45.024Z",
  "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": "NCT03495921",
      "title": "A Trial For Participants With Ewing's Sarcoma Treated With Vigil in Combination With Irinotecan and Temozolomide",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Ewing Sarcoma",
        "Ewing Family of Tumors",
        "Ewing's Tumor Metastatic",
        "Ewing's Sarcoma Metastatic",
        "Ewing's Tumor Recurrent",
        "Rare Diseases",
        "Sarcoma",
        "Neoplasms, Connective and Soft Tissue",
        "Neoplasms by Histologic Type",
        "Neoplasms, Bone Tissue",
        "Neoplasms, Connective Tissue",
        "Sarcoma, Ewing",
        "Neoplasms"
      ],
      "interventions": [
        {
          "name": "Vigil",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Irinotecan",
          "type": "DRUG"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Gradalis, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2018-08-21",
      "completion_date": "2022-01-20",
      "has_results": true,
      "last_update_posted_date": "2023-04-26",
      "last_synced_at": "2026-10-26T21:51:45.024Z",
      "location_count": 15,
      "location_summary": "Little Rock, Arkansas • Los Angeles, California • Jacksonville, Florida + 12 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03495921"
    },
    {
      "nct_id": "NCT00003715",
      "title": "Vaccine Therapy Compared With Interferon Alfa in Treating Patients With Stage III Melanoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Melanoma (Skin)"
      ],
      "interventions": [
        {
          "name": "BCG vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "autologous tumor cell vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "recombinant interferon alfa",
          "type": "BIOLOGICAL"
        },
        {
          "name": "chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "AVAX Technologies",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 425,
      "start_date": "1998-12",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2015-12-03",
      "last_synced_at": "2026-10-26T21:51:45.024Z",
      "location_count": 17,
      "location_summary": "Rancho Mirage, California • New Haven, Connecticut • North Miami Beach, Florida + 13 more",
      "locations": [
        {
          "city": "Rancho Mirage",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "North Miami Beach",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Decatur",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003715"
    },
    {
      "nct_id": "NCT04074226",
      "title": "ESP vs QL for Total Abdominal Hysterectomy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Erector Spinae Plane block",
          "type": "PROCEDURE"
        },
        {
          "name": "Quadratus Lumborum Block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 80 Years · Female only"
      },
      "enrollment_count": 17,
      "start_date": "2021-03-20",
      "completion_date": "2023-03-21",
      "has_results": false,
      "last_update_posted_date": "2023-04-04",
      "last_synced_at": "2026-10-26T21:51:45.024Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04074226"
    },
    {
      "nct_id": "NCT02892474",
      "title": "HCR vs. CABG Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "Hybrid Coronary Revascularization (HCR)",
          "type": "PROCEDURE"
        },
        {
          "name": "Coronary Artery Bypass Grafting (CABG)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 75,
      "start_date": "2016-08",
      "completion_date": "2018-07-27",
      "has_results": false,
      "last_update_posted_date": "2019-10-02",
      "last_synced_at": "2026-10-26T21:51:45.024Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02892474"
    },
    {
      "nct_id": "NCT03222076",
      "title": "Nivolumab With or Without Ipilimumab in Treating Patients With Resectable Liver Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatocellular Carcinoma",
        "Resectable Hepatocellular Carcinoma"
      ],
      "interventions": [
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2017-09-28",
      "completion_date": "2022-09-14",
      "has_results": true,
      "last_update_posted_date": "2023-07-10",
      "last_synced_at": "2026-10-26T21:51:45.024Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03222076"
    },
    {
      "nct_id": "NCT05241340",
      "title": "Neoadjuvant Sasanlimab With Radiation as an in Situ Vaccine for Cisplatin-ineligible Muscle Invasive Bladder Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Urothelial Carcinoma Bladder"
      ],
      "interventions": [
        {
          "name": "Sasanlimab",
          "type": "DRUG"
        },
        {
          "name": "Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Radical Cystectomy + pelvic lymph node dissection + urinary diversion",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "The Methodist Hospital Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 33,
      "start_date": "2022-02-15",
      "completion_date": "2027-04-01",
      "has_results": false,
      "last_update_posted_date": "2025-10-24",
      "last_synced_at": "2026-10-26T21:51:45.024Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05241340"
    },
    {
      "nct_id": "NCT00448708",
      "title": "Safety and Efficacy of Angiotech Vascular Wrap Paclitaxel-Eluting Mesh for Hemodialysis Vascular Access",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Diseases",
        "ESRD"
      ],
      "interventions": [
        {
          "name": "Vascular Wrap Paclitaxel-Eluting Mesh",
          "type": "DEVICE"
        },
        {
          "name": "Lifespan® ePTFE Vascular Graft",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Angiotech Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 222,
      "start_date": "2007-03",
      "completion_date": "2009-04",
      "has_results": true,
      "last_update_posted_date": "2011-11-17",
      "last_synced_at": "2026-10-26T21:51:45.024Z",
      "location_count": 33,
      "location_summary": "Birmingham, Alabama • Fresno, California • Inglewood, California + 27 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Inglewood",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00448708"
    },
    {
      "nct_id": "NCT02060526",
      "title": "Randomized, Controlled, Open-label, Multicenter, Safety and Efficacy Study of rhHNS Administration Via an IDDD in Pediatric Patients With Early Stage MPS IIIA Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sanfilippo Syndrome"
      ],
      "interventions": [
        {
          "name": "Recombinant human heparan N-sulfatase [rhHNS]",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "48 Months",
        "sex": "ALL",
        "summary": "12 Months to 48 Months"
      },
      "enrollment_count": 21,
      "start_date": "2014-02-26",
      "completion_date": "2016-06-01",
      "has_results": true,
      "last_update_posted_date": "2021-06-08",
      "last_synced_at": "2026-10-26T21:51:45.024Z",
      "location_count": 3,
      "location_summary": "Torrance, California • Minneapolis, Minnesota • Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02060526"
    },
    {
      "nct_id": "NCT03107520",
      "title": "Intraoperative Contrast-Enhanced Ultrasound Evaluation of Blood Flow at the Time of Surgical Hip Reduction for DDH",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Developmental Dysplasia of the Hip"
      ],
      "interventions": [
        {
          "name": "Intraoperative contrast-enhanced ultrasound (CEUS)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Lumason",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DRUG"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Months",
        "maximum_age": "24 Months",
        "sex": "ALL",
        "summary": "4 Months to 24 Months"
      },
      "enrollment_count": 125,
      "start_date": "2017-05-22",
      "completion_date": "2030-04",
      "has_results": false,
      "last_update_posted_date": "2026-04-15",
      "last_synced_at": "2026-10-26T21:51:45.024Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03107520"
    },
    {
      "nct_id": "NCT00576420",
      "title": "Fibrin Sealant Vascular Surgery Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Adjunct to Hemostasis in Vascular Surgery (Synthetic Vascular Grafts)"
      ],
      "interventions": [
        {
          "name": "FS VH S/D 500 s-apr, 60-seconds polymerization time",
          "type": "BIOLOGICAL"
        },
        {
          "name": "FS VH S/D 500 s-apr, 120-seconds polymerization time",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Manual compression with surgical gauze pads",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Baxter Healthcare Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 101,
      "start_date": "2007-12",
      "completion_date": "2008-12",
      "has_results": true,
      "last_update_posted_date": "2012-11-27",
      "last_synced_at": "2026-10-26T21:51:45.024Z",
      "location_count": 11,
      "location_summary": "Birmingham, Alabama • Tucson, Arizona • Long Beach, California + 8 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00576420"
    }
  ]
}