{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Initial+Surgery&page=71",
    "query": {
      "intervention": "Initial Surgery",
      "page": 71
    },
    "page_size": 10
  },
  "pagination": {
    "page": 71,
    "page_size": 10,
    "total_count": 2021,
    "total_pages": 203,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Initial+Surgery&page=72&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Initial+Surgery&page=70&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-03T08:58:19.244Z",
  "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": "NCT03248765",
      "title": "Human Brain Adaptation to Chronic Pain and Its Effects on Opioid Use",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pain, Chronic",
        "Opioid Use"
      ],
      "interventions": [
        {
          "name": "post-surgical opioid use measured at 1 day and 1 week.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 10,
      "start_date": "2017-08-30",
      "completion_date": "2020-09-11",
      "has_results": false,
      "last_update_posted_date": "2020-10-14",
      "last_synced_at": "2026-11-03T08:58:19.244Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03248765"
    },
    {
      "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": "2026-11-03T08:58:19.244Z",
      "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": "NCT03821064",
      "title": "Single-arm Phase II Study of NDURE for Patients With HNC",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer of Head and Neck"
      ],
      "interventions": [
        {
          "name": "Patient Navigation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2019-06-03",
      "completion_date": "2019-11-21",
      "has_results": true,
      "last_update_posted_date": "2021-02-01",
      "last_synced_at": "2026-11-03T08:58:19.244Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03821064"
    },
    {
      "nct_id": "NCT07881393",
      "title": "Prothrombin Complex Concentrate (PCC)",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cardiopulmonary Bypass"
      ],
      "interventions": [
        {
          "name": "Four Factor Prothrombin Complex Concentrate",
          "type": "DRUG"
        },
        {
          "name": "ROTEM (Rotational Thromboelastometry) analyzer (TEM International GmbH)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2026-12-01",
      "completion_date": "2027-11",
      "has_results": false,
      "last_update_posted_date": "2026-10-19",
      "last_synced_at": "2026-11-03T08:58:19.244Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07881393"
    },
    {
      "nct_id": "NCT07612007",
      "title": "HRX215, A First Generation MKK4 Inhibitor Drug, for the Treatment of Patients With Colorectal Liver Metastasis After Undergoing a Portal Vein Embolization",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Colorectal Carcinoma",
        "Metastatic Malignant Neoplasm in the Liver",
        "Resectable Colorectal Carcinoma",
        "Stage IV Colorectal Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Darizmetinib",
          "type": "DRUG"
        },
        {
          "name": "Embolization Therapy",
          "type": "DRUG"
        },
        {
          "name": "Hepatectomy",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Placebo Administration",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 80,
      "start_date": "2026-12-01",
      "completion_date": "2028-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-05",
      "last_synced_at": "2026-11-03T08:58:19.244Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07612007"
    },
    {
      "nct_id": "NCT01680692",
      "title": "Continuous Femoral and Tibial Nerve Blocks in TKA Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Analgesia in Total Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Ropivicaine",
          "type": "DRUG"
        },
        {
          "name": "Continuous Femoral Nerve Catheter",
          "type": "DEVICE"
        },
        {
          "name": "Continuous Tibial Nerve Catheter",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Texas Tech University Health Sciences Center, El Paso",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 2,
      "start_date": "2012-08",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2018-04-25",
      "last_synced_at": "2026-11-03T08:58:19.244Z",
      "location_count": 1,
      "location_summary": "El Paso, Texas",
      "locations": [
        {
          "city": "El Paso",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01680692"
    },
    {
      "nct_id": "NCT03260400",
      "title": "Short-term Implanted Electrodes Following Regenerative Peripheral Nerve Surgery for Improving Prosthetic Limb Control Signals",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amputation Neuroma",
        "Amputation"
      ],
      "interventions": [
        {
          "name": "a bipolar percutaneous intramuscular electromyography electrode",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "22 Years to 75 Years"
      },
      "enrollment_count": 10,
      "start_date": "2017-12-11",
      "completion_date": "2029-05-05",
      "has_results": false,
      "last_update_posted_date": "2026-08-18",
      "last_synced_at": "2026-11-03T08:58:19.244Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03260400"
    },
    {
      "nct_id": "NCT03503344",
      "title": "Apalutamide With or Without Stereotactic Body Radiation in Treating Castration-Resistant Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Castration Levels of Testosterone",
        "Castration-Resistant Prostate Carcinoma",
        "PSA Progression",
        "Stage IV Prostate Adenocarcinoma AJCC v7"
      ],
      "interventions": [
        {
          "name": "Apalutamide",
          "type": "DRUG"
        },
        {
          "name": "Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "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": 26,
      "start_date": "2019-12-17",
      "completion_date": "2025-10-31",
      "has_results": true,
      "last_update_posted_date": "2026-01-21",
      "last_synced_at": "2026-11-03T08:58:19.244Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03503344"
    },
    {
      "nct_id": "NCT04756063",
      "title": "Parenteral Ascorbic Acid Repletion in TransplantatIon",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Liver Transplant Failure and Rejection"
      ],
      "interventions": [
        {
          "name": "Ascorbic acid",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "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": 0,
      "start_date": "2026-09",
      "completion_date": "2032-03",
      "has_results": false,
      "last_update_posted_date": "2026-09-18",
      "last_synced_at": "2026-11-03T08:58:19.244Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04756063"
    },
    {
      "nct_id": "NCT04591249",
      "title": "Physical Activity Intervention for Patients Following Lumbar Spine Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Spinal Degenerative Disorder",
        "Spinal Stenosis",
        "Spondylosis"
      ],
      "interventions": [
        {
          "name": "Physical activity intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2020-10-07",
      "completion_date": "2021-12-01",
      "has_results": false,
      "last_update_posted_date": "2022-03-31",
      "last_synced_at": "2026-11-03T08:58:19.244Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04591249"
    }
  ]
}