{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Perioperative+blood+samples+collection",
    "query": {
      "intervention": "Perioperative blood samples collection"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 15,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Perioperative+blood+samples+collection&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T21:43:51.857Z",
  "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": "NCT03316183",
      "title": "Cerebral Monitor Guided Therapy on Cerebral Outcomes After Cardiac Surgery",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiac Surgery",
        "Protein Metabolomics",
        "Cerebral Function",
        "Cardiopulmonary Bypass"
      ],
      "interventions": [
        {
          "name": "Perioperative and postoperative management",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "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": "2021-12-01",
      "completion_date": "2025-12-01",
      "has_results": false,
      "last_update_posted_date": "2021-02-23",
      "last_synced_at": "2026-09-25T21:43:51.857Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03316183"
    },
    {
      "nct_id": "NCT06864819",
      "title": "Role of Phosphatidylethanol in Predicting Perioperative Outcomes of Admitted Patients at UHCMC",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Postoperative Complications",
        "Alcohol Use Disorder"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University Hospitals Cleveland Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "21 Years to 79 Years"
      },
      "enrollment_count": 170,
      "start_date": "2025-05-05",
      "completion_date": "2026-11-15",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-09-25T21:43:51.857Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06864819"
    },
    {
      "nct_id": "NCT03380273",
      "title": "AO Multicenter Intervention Trial for Prevention of Surgical Site Infection",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Surgical Site Infection"
      ],
      "interventions": [
        {
          "name": "Implementation of the AO Trauma SSI Prevention Bundle",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "AO Clinical Investigation and Publishing Documentation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 222,
      "start_date": "2019-12-06",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-01-18",
      "last_synced_at": "2026-09-25T21:43:51.857Z",
      "location_count": 8,
      "location_summary": "Los Angeles, California • Lexington, Kentucky • Worcester, Massachusetts + 5 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Worcester",
          "state": "Massachusetts"
        },
        {
          "city": "Columbia",
          "state": "Missouri"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03380273"
    },
    {
      "nct_id": "NCT01825369",
      "title": "Aberrations in Carnitine Homeostasis in Congenital Heart Disease With Increased Pulmonary Blood Flow",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Heart Septal Defects, Ventricular",
        "Atrioventricular Septal Defect"
      ],
      "interventions": [
        {
          "name": "IV L-carnitine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": "12 Months",
        "sex": "ALL",
        "summary": "2 Months to 12 Months"
      },
      "enrollment_count": 0,
      "start_date": "2014-12",
      "completion_date": "2020-07",
      "has_results": false,
      "last_update_posted_date": "2020-05-06",
      "last_synced_at": "2026-09-25T21:43:51.857Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01825369"
    },
    {
      "nct_id": "NCT05367609",
      "title": "Personalized Perioperative Analgesia Platform (PPAP) for Pediatric Spine Fusion Surgery (sIRB)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "PPAP",
        "Spine Fusion"
      ],
      "interventions": [
        {
          "name": "Preoperative Genotyping",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Senthil Sadhasivam",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "10 Years to 21 Years"
      },
      "enrollment_count": 300,
      "start_date": "2022-09-20",
      "completion_date": "2027-10-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-10",
      "last_synced_at": "2026-09-25T21:43:51.857Z",
      "location_count": 5,
      "location_summary": "San Francisco, California • St. Petersburg, Florida • Indianapolis, Indiana + 1 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05367609"
    },
    {
      "nct_id": "NCT02352662",
      "title": "Peri-operative Assessment of Coagulopathy in Neonates and Infants Undergoing Cardiac Surgery",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Heart Disease"
      ],
      "interventions": [
        {
          "name": "Perioperative blood samples collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "12 Months",
        "sex": "ALL",
        "summary": "Up to 12 Months"
      },
      "enrollment_count": 0,
      "start_date": "2015-04",
      "completion_date": "2017-04",
      "has_results": false,
      "last_update_posted_date": "2017-04-10",
      "last_synced_at": "2026-09-25T21:43:51.857Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02352662"
    },
    {
      "nct_id": "NCT01442051",
      "title": "Acute Normovolemic Hemodilution in Patients Undergoing Cytoreductive Surgery for Advanced Ovarian Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Epithelial Ovarian Cancer",
        "Fallopian Tube Cancer",
        "Primary Peritoneal Carcinoma"
      ],
      "interventions": [
        {
          "name": "Acute Normovolemic Hemodilution",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "69 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 69 Years · Female only"
      },
      "enrollment_count": 52,
      "start_date": "2011-09-23",
      "completion_date": "2019-07-01",
      "has_results": false,
      "last_update_posted_date": "2019-07-05",
      "last_synced_at": "2026-09-25T21:43:51.857Z",
      "location_count": 4,
      "location_summary": "Basking Ridge, New Jersey • Commack, New York • Harrison, New York + 1 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01442051"
    },
    {
      "nct_id": "NCT04592302",
      "title": "The Impact of Smoking on Outcomes and Complications in Total Joint Arthroplasty: A Prospective Crossover Study",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Smoking",
        "Total Joint Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Rothman Institute Orthopaedics",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 1200,
      "start_date": "2016-12-01",
      "completion_date": "2021-07-31",
      "has_results": false,
      "last_update_posted_date": "2020-10-19",
      "last_synced_at": "2026-09-25T21:43:51.857Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04592302"
    },
    {
      "nct_id": "NCT04340141",
      "title": "Testing the Use of the Usual Chemotherapy Before and After Surgery for Removable Pancreatic Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pancreatic Adenosquamous Carcinoma",
        "Resectable Pancreatic Adenocarcinoma",
        "Stage I Pancreatic Cancer AJCC v8",
        "Stage II Pancreatic Cancer AJCC v8",
        "Stage III Pancreatic Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "Irinotecan Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Leucovorin Calcium",
          "type": "DRUG"
        },
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Resection",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 358,
      "start_date": "2020-10-13",
      "completion_date": "2030-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-09-25T21:43:51.857Z",
      "location_count": 441,
      "location_summary": "Birmingham, Alabama • Fairhope, Alabama • Mobile, Alabama + 325 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fairhope",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04340141"
    },
    {
      "nct_id": "NCT07287371",
      "title": "Sucrosomial Vs Intravenous Iron for Preoperative Anemia",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Anemia",
        "Iron Deficiency Anemia"
      ],
      "interventions": [
        {
          "name": "Treatment with oral sucrosomial iron",
          "type": "DRUG"
        },
        {
          "name": "Treatment with intravenous iron",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Rochester",
      "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": "2025-12-31",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-17",
      "last_synced_at": "2026-09-25T21:43:51.857Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07287371"
    }
  ]
}