{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+draw+pre-operatively&page=2",
    "query": {
      "intervention": "Blood draw pre-operatively",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+draw+pre-operatively&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-28T04:07:22.671Z",
  "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": "NCT00141037",
      "title": "Steroid-Free Versus Steroid-Based Immunosuppression in Pediatric Renal (Kidney) Transplantation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Kidney Diseases",
        "Kidney Transplantation",
        "Kidney Transplant",
        "Renal Transplantation",
        "Renal Transplant"
      ],
      "interventions": [
        {
          "name": "Daclizumab",
          "type": "DRUG"
        },
        {
          "name": "Mycophenolate mofetil (MMF)",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "Ganciclovir",
          "type": "DRUG"
        },
        {
          "name": "Valganciclovir",
          "type": "DRUG"
        },
        {
          "name": "Trimethoprim and sulfamethoxazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 130,
      "start_date": "2004-03",
      "completion_date": "2010-11",
      "has_results": true,
      "last_update_posted_date": "2016-11-29",
      "last_synced_at": "2026-09-28T04:07:22.671Z",
      "location_count": 12,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 8 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00141037"
    },
    {
      "nct_id": "NCT02743858",
      "title": "Lymphedema Surveillance Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Lymphedema"
      ],
      "interventions": [
        {
          "name": "Bilateral arm measurements",
          "type": "OTHER"
        },
        {
          "name": "Body mass index (BMI)",
          "type": "OTHER"
        },
        {
          "name": "Quality of Life Questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Blood draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "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": 1250,
      "start_date": "2016-04",
      "completion_date": "2027-04",
      "has_results": false,
      "last_update_posted_date": "2026-05-07",
      "last_synced_at": "2026-09-28T04:07:22.671Z",
      "location_count": 7,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02743858"
    },
    {
      "nct_id": "NCT04586452",
      "title": "NIH CCR2 AAA Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Abdominal Aortic Aneurysm (AAA)",
        "No Abdominal Aortic Aneurysm (Non-AAA)"
      ],
      "interventions": [
        {
          "name": "AAA Group (Aim 3A)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Non-AAA Group",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Ex Vivo Human AAA Specimens (Aim 2A)",
          "type": "OTHER"
        },
        {
          "name": "Relationship between radiotracer and CCR2 (Aim 2B)",
          "type": "OTHER"
        },
        {
          "name": "AAA Group (Aim 3B-Reproducibility)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2021-02-17",
      "completion_date": "2022-04-04",
      "has_results": false,
      "last_update_posted_date": "2025-07-15",
      "last_synced_at": "2026-09-28T04:07:22.671Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04586452"
    },
    {
      "nct_id": "NCT03547999",
      "title": "A Trial of Perioperative CV301 Vaccination in Combination With Nivolumab and Systemic Chemotherapy for Metastatic CRC",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "mFOLFOX6",
          "type": "DRUG"
        },
        {
          "name": "MVA-BN-CV301",
          "type": "BIOLOGICAL"
        },
        {
          "name": "FPV-CV301",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Nivolumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Patrick Boland",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2018-06-26",
      "completion_date": "2024-03-13",
      "has_results": true,
      "last_update_posted_date": "2025-07-22",
      "last_synced_at": "2026-09-28T04:07:22.671Z",
      "location_count": 7,
      "location_summary": "Duarte, California • Miami, Florida • Westwood, Kansas + 4 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Westwood",
          "state": "Kansas"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03547999"
    },
    {
      "nct_id": "NCT00887302",
      "title": "Metabolomics of Roux-en-Y Gastric Bypass (RYGB) With Gastrostomy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Type II Diabetes Mellitus",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Gastric Band",
          "type": "PROCEDURE"
        },
        {
          "name": "Gastric Sleeve",
          "type": "PROCEDURE"
        },
        {
          "name": "Gastrostomy Tube",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "East Carolina University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 60 Years · Female only"
      },
      "enrollment_count": 13,
      "start_date": "2009-03-25",
      "completion_date": "2012-10-12",
      "has_results": false,
      "last_update_posted_date": "2023-10-06",
      "last_synced_at": "2026-09-28T04:07:22.671Z",
      "location_count": 1,
      "location_summary": "Greenville, North Carolina",
      "locations": [
        {
          "city": "Greenville",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00887302"
    },
    {
      "nct_id": "NCT02743910",
      "title": "Monitoring Plasma Tumor DNA in Early-Stage Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "ptDNA",
          "type": "OTHER"
        },
        {
          "name": "Tissue sample",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 228,
      "start_date": "2016-07",
      "completion_date": "2026-03-02",
      "has_results": false,
      "last_update_posted_date": "2026-07-09",
      "last_synced_at": "2026-09-28T04:07:22.671Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02743910"
    },
    {
      "nct_id": "NCT01886963",
      "title": "A Clinical Trial Using Spy Elite System in Planning Tissue Advancement Flaps After Ventral Hernia Repair",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ventral Hernia"
      ],
      "interventions": [
        {
          "name": "SPY - Unblinded use of SPY Elite",
          "type": "DEVICE"
        },
        {
          "name": "Control - Blinded use of SPY Elite",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 115,
      "start_date": "2011-11",
      "completion_date": "2015-10",
      "has_results": true,
      "last_update_posted_date": "2022-04-21",
      "last_synced_at": "2026-09-28T04:07:22.671Z",
      "location_count": 1,
      "location_summary": "Charlotte, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01886963"
    },
    {
      "nct_id": "NCT01208402",
      "title": "Esmolol for Treatment of Perioperative Tachycardia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "High-risk, Non-cardiovascular Surgeries"
      ],
      "interventions": [
        {
          "name": "Esmolol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "41 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "41 Years and older"
      },
      "enrollment_count": 76,
      "start_date": "2010-09",
      "completion_date": "2013-07",
      "has_results": true,
      "last_update_posted_date": "2014-12-12",
      "last_synced_at": "2026-09-28T04:07:22.671Z",
      "location_count": 3,
      "location_summary": "Durham, North Carolina • Columbus, Ohio",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01208402"
    },
    {
      "nct_id": "NCT02742974",
      "title": "Fluid Resuscitation Optimization in Surgical Trauma Patients (FROST)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Critical Illness",
        "Trauma"
      ],
      "interventions": [
        {
          "name": "Device: FloTrac™ and EV1000™",
          "type": "DEVICE"
        },
        {
          "name": "Volume Challenge",
          "type": "OTHER"
        },
        {
          "name": "Vasopressor Therapy",
          "type": "DRUG"
        },
        {
          "name": "Inotropic Therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "CAMC Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2015-10",
      "completion_date": "2017-11",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-09-28T04:07:22.671Z",
      "location_count": 1,
      "location_summary": "Charleston, West Virginia",
      "locations": [
        {
          "city": "Charleston",
          "state": "West Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02742974"
    },
    {
      "nct_id": "NCT04938960",
      "title": "Identification of Non-gal, Non-HLA Antigens in Patients Implanted With Xenogenic Material",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Valve Heart Disease"
      ],
      "interventions": [
        {
          "name": "blood draw",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Mayo Clinic",
      "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": 197,
      "start_date": "2021-07-01",
      "completion_date": "2024-09-05",
      "has_results": false,
      "last_update_posted_date": "2025-05-06",
      "last_synced_at": "2026-09-28T04:07:22.671Z",
      "location_count": 3,
      "location_summary": "Phoenix, Arizona • Jacksonville, Florida • Rochester, Minnesota",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04938960"
    }
  ]
}