{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+draw+%28before+surgery%29&page=3",
    "query": {
      "intervention": "Blood draw (before surgery)",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 1143,
    "total_pages": 115,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+draw+%28before+surgery%29&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+draw+%28before+surgery%29&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T21:33:17.588Z",
  "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": "NCT03990623",
      "title": "CT Perfusion Scans in Detecting Changes in Blood Flow to the Liver After Portal Vein Embolization",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Liver and Intrahepatic Bile Duct Carcinoma"
      ],
      "interventions": [
        {
          "name": "Computed Tomography Perfusion Imaging",
          "type": "RADIATION"
        },
        {
          "name": "Liver Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "PROCEDURE"
      ],
      "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": 22,
      "start_date": "2018-07-21",
      "completion_date": "2024-04-30",
      "has_results": false,
      "last_update_posted_date": "2023-04-07",
      "last_synced_at": "2026-10-07T21:33:17.588Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03990623"
    },
    {
      "nct_id": "NCT05319873",
      "title": "Ribociclib, Tucatinib, and Trastuzumab for the Treatment of HER2 Positive Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Anatomic Stage II Breast Cancer AJCC v8",
        "Anatomic Stage IIA Breast Cancer AJCC v8",
        "Anatomic Stage IIB Breast Cancer AJCC v8",
        "Anatomic Stage III Breast Cancer AJCC v8",
        "Anatomic Stage IIIA Breast Cancer AJCC v8",
        "Anatomic Stage IIIB Breast Cancer AJCC v8",
        "Anatomic Stage IIIC Breast Cancer AJCC v8",
        "Anatomic Stage IV Breast Cancer AJCC v8",
        "Invasive Breast Carcinoma",
        "Locally Advanced HER2-Positive Breast Carcinoma",
        "Metastatic HER2-Positive Breast Carcinoma",
        "Prognostic Stage IB Breast Cancer AJCC v8",
        "Prognostic Stage II Breast Cancer AJCC v8",
        "Prognostic Stage IIA Breast Cancer AJCC v8",
        "Prognostic Stage IIB Breast Cancer AJCC v8",
        "Prognostic Stage III Breast Cancer AJCC v8",
        "Prognostic Stage IIIA Breast Cancer AJCC v8",
        "Prognostic Stage IIIB Breast Cancer AJCC v8",
        "Prognostic Stage IIIC Breast Cancer AJCC v8",
        "Prognostic Stage IV Breast Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Docetaxel",
          "type": "DRUG"
        },
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        },
        {
          "name": "Pertuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Ribociclib",
          "type": "DRUG"
        },
        {
          "name": "Trastuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Tucatinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Jonsson Comprehensive 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": 18,
      "start_date": "2022-04-07",
      "completion_date": "2028-04-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-10-07T21:33:17.588Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05319873"
    },
    {
      "nct_id": "NCT01182610",
      "title": "Panitumumab, Paclitaxel, Carboplatin and 5FU in the Treatment of Potentially Resectable Gastroesophageal Adenocarcinoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Gastroesophageal Adenocarcinoma",
        "Adenocarcinoma of the Distal Esophagus",
        "Adenocarcinomas of the Gastroesophageal Junction",
        "Adenocarcinoma of the Proximal Stomach"
      ],
      "interventions": [
        {
          "name": "Panitumumab",
          "type": "DRUG"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "5FU",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Accelerated Community Oncology Research Network",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2011-04",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2012-12-03",
      "last_synced_at": "2026-10-07T21:33:17.588Z",
      "location_count": 1,
      "location_summary": "Jonesboro, Arkansas",
      "locations": [
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01182610"
    },
    {
      "nct_id": "NCT00835679",
      "title": "Cetuximab and/or Dasatinib in Patients With Colorectal Cancer and Liver Metastases That Can Be Removed by Surgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Liver Metastases",
        "Mucinous Adenocarcinoma of the Colon",
        "Mucinous Adenocarcinoma of the Rectum",
        "Recurrent Colon Cancer",
        "Recurrent Rectal Cancer",
        "Signet Ring Adenocarcinoma of the Colon",
        "Signet Ring Adenocarcinoma of the Rectum",
        "Stage IV Colon Cancer",
        "Stage IV Rectal Cancer"
      ],
      "interventions": [
        {
          "name": "cetuximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "dasatinib",
          "type": "DRUG"
        },
        {
          "name": "therapeutic conventional surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2009-12",
      "completion_date": "2011-08",
      "has_results": true,
      "last_update_posted_date": "2014-05-23",
      "last_synced_at": "2026-10-07T21:33:17.588Z",
      "location_count": 2,
      "location_summary": "Tampa, Florida • Nashville, Tennessee",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00835679"
    },
    {
      "nct_id": "NCT06151223",
      "title": "A Prospective Registry for Patients at High-Risk for Pancreatic Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreatic Cancer",
        "Pancreatic Ductal Adenocarcinoma",
        "PDAC",
        "PDAC - Pancreatic Ductal Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Bio-specimen Collection: Blood",
          "type": "OTHER"
        },
        {
          "name": "Bio-specimen Collection: Pancreatic Juice",
          "type": "OTHER"
        },
        {
          "name": "MRI",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5000,
      "start_date": "2021-07-13",
      "completion_date": "2031-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-10-07T21:33:17.588Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06151223"
    },
    {
      "nct_id": "NCT01260259",
      "title": "Seattle Cardiorenal Remote Ischemic Preconditioning Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congenital Heart Disease",
        "Cardiopulmonary Bypass",
        "Myocardial Injury",
        "Acute Kidney Injury",
        "Acute Lung Injury"
      ],
      "interventions": [
        {
          "name": "RIPC",
          "type": "PROCEDURE"
        },
        {
          "name": "Control",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Seattle Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "Up to 18 Years"
      },
      "enrollment_count": 90,
      "start_date": "2010-12",
      "completion_date": "2013-08",
      "has_results": false,
      "last_update_posted_date": "2013-09-18",
      "last_synced_at": "2026-10-07T21:33:17.588Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01260259"
    },
    {
      "nct_id": "NCT04813627",
      "title": "Epidemiological Study to Monitor Study Participants With Resected Stage II (High Risk) or Stage III Colorectal Cancer for Circulating Tumor DNA Before, During and After Their Treatment With Adjuvant Chemotherapy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colorectal Cancer Stage II",
        "Colorectal Cancer Stage III"
      ],
      "interventions": [
        {
          "name": "Regular blood sample collection for ctDNA assessment",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "BioNTech SE",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2079,
      "start_date": "2021-07-02",
      "completion_date": "2026-04-23",
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-10-07T21:33:17.588Z",
      "location_count": 17,
      "location_summary": "California City, California • Concord, California • Greenbrae, California + 14 more",
      "locations": [
        {
          "city": "California City",
          "state": "California"
        },
        {
          "city": "Concord",
          "state": "California"
        },
        {
          "city": "Greenbrae",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04813627"
    },
    {
      "nct_id": "NCT04301661",
      "title": "Cellular Pharmacology and Platelet Effects of Abacavir and Lamivudine Anabolites",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HIV-1-infection"
      ],
      "interventions": [
        {
          "name": "Blood collection",
          "type": "OTHER"
        },
        {
          "name": "Abacavir/lamivudine",
          "type": "DRUG"
        },
        {
          "name": "Tenofovir alafenamide/emtricitabine",
          "type": "DRUG"
        },
        {
          "name": "Switch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 25,
      "start_date": "2020-03-06",
      "completion_date": "2021-12-17",
      "has_results": false,
      "last_update_posted_date": "2023-01-09",
      "last_synced_at": "2026-10-07T21:33:17.588Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04301661"
    },
    {
      "nct_id": "NCT01270542",
      "title": "Avastin for PDR (Proliferative Diabetic Retinopathy)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Retinal Detachment",
        "Diabetic Retinopathy"
      ],
      "interventions": [
        {
          "name": "Avastin (bevacizumab)",
          "type": "DRUG"
        },
        {
          "name": "Sham injection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2009-06",
      "completion_date": "2012-07",
      "has_results": true,
      "last_update_posted_date": "2017-08-17",
      "last_synced_at": "2026-10-07T21:33:17.588Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01270542"
    },
    {
      "nct_id": "NCT00169741",
      "title": "Renogram Study With Percutaneous Nephrolithotomy (PERC): Alterations in Renal Blood Flow as a Consequence of PERC",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Renal Calculi"
      ],
      "interventions": [
        {
          "name": "Renogram",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Indiana Kidney Stone Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2005-05",
      "completion_date": "2016-02",
      "has_results": false,
      "last_update_posted_date": "2016-02-23",
      "last_synced_at": "2026-10-07T21:33:17.588Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00169741"
    }
  ]
}