{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Prospective+Blood+Draw&page=28",
    "query": {
      "intervention": "Prospective Blood Draw",
      "page": 28
    },
    "page_size": 10
  },
  "pagination": {
    "page": 28,
    "page_size": 10,
    "total_count": 849,
    "total_pages": 85,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Prospective+Blood+Draw&page=29&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Prospective+Blood+Draw&page=27&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-14T23:51:08.007Z",
  "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": "NCT02758184",
      "title": "Effectiveness of ROTEM-based Coagulation Surveillance on Reducing Blood Product Utilization During Complex Spine Surgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Spine Surgery",
        "Rotational Thrombo-elastometry (ROTEM)"
      ],
      "interventions": [
        {
          "name": "ROTEM-based coagulation monitoring",
          "type": "DEVICE"
        },
        {
          "name": "Spine surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Duke University",
      "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": 21,
      "start_date": "2016-06",
      "completion_date": "2018-05-16",
      "has_results": true,
      "last_update_posted_date": "2022-04-27",
      "last_synced_at": "2026-11-14T23:51:08.007Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02758184"
    },
    {
      "nct_id": "NCT05083338",
      "title": "Psychological, Psychophysical and Epigenetic Determinants of Chronic Pain After Cytoreductive - Hyperthermic Intraoperative Chemotherapy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Appendix Carcinoma",
        "Carcinomatosis",
        "Colorectal Carcinoma",
        "Gastric Carcinoma",
        "Malignant Peritoneal Neoplasm",
        "Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Pain Assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "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": 24,
      "start_date": "2021-08-10",
      "completion_date": "2024-02-09",
      "has_results": false,
      "last_update_posted_date": "2024-02-13",
      "last_synced_at": "2026-11-14T23:51:08.007Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05083338"
    },
    {
      "nct_id": "NCT03351933",
      "title": "Anti-Hepatitis A Virus, Pharmacokinetics, and Safety of Immune Globulin (Human)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Anti-Hepatitis A Antibody Levels in Heathy Subjects"
      ],
      "interventions": [
        {
          "name": "Immune Globulin (Human)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Grifols Therapeutics LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 28,
      "start_date": "2017-10-31",
      "completion_date": "2018-07-19",
      "has_results": true,
      "last_update_posted_date": "2019-07-30",
      "last_synced_at": "2026-11-14T23:51:08.007Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03351933"
    },
    {
      "nct_id": "NCT04251052",
      "title": "A Study to Compare Two Surgical Procedures in Individuals With BRCA1 Mutations to Assess Reduced Risk of Ovarian Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ovarian Carcinoma"
      ],
      "interventions": [
        {
          "name": "Bilateral Salpingectomy",
          "type": "PROCEDURE"
        },
        {
          "name": "Bilateral Salpingectomy with Oophorectomy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Transvaginal Ultrasound",
          "type": "PROCEDURE"
        },
        {
          "name": "Ultrasound Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "NRG Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "35 Years to 50 Years · Female only"
      },
      "enrollment_count": 1956,
      "start_date": "2020-09-01",
      "completion_date": "2047-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-11-06",
      "last_synced_at": "2026-11-14T23:51:08.007Z",
      "location_count": 620,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Goodyear, Arizona + 406 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04251052"
    },
    {
      "nct_id": "NCT01769443",
      "title": "Safety and Efficacy of Desensitization Therapy in Sensitized Participants Awaiting Heart Transplantation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Primary Heart Transplant",
        "Heart Transplantation",
        "Heart Transplant"
      ],
      "interventions": [
        {
          "name": "bortezomib",
          "type": "DRUG"
        },
        {
          "name": "plasmapheresis",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2013-06",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2026-10-15",
      "last_synced_at": "2026-11-14T23:51:08.007Z",
      "location_count": 14,
      "location_summary": "Beverly Hills, California • San Francisco, California • New Haven, Connecticut + 9 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01769443"
    },
    {
      "nct_id": "NCT00274794",
      "title": "VP and G-CSF With or Without Rituximab in Autologous Peripheral Stem Cell Transplant For NHL",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "rituximab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 55,
      "start_date": "2000-02",
      "completion_date": "2006-05",
      "has_results": false,
      "last_update_posted_date": "2011-03-29",
      "last_synced_at": "2026-11-14T23:51:08.007Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00274794"
    },
    {
      "nct_id": "NCT06802029",
      "title": "PUER (\"Previously Unrecognized Emerging Risks\") Life Clinical Study (PUER) in Ages 6 Through 18",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Aging"
      ],
      "interventions": [
        {
          "name": "Whole Genome Sequencing Analysis",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Puer Research, LLC",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "6 Years to 18 Years"
      },
      "enrollment_count": 0,
      "start_date": "2025-09-01",
      "completion_date": "2026-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-23",
      "last_synced_at": "2026-11-14T23:51:08.007Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06802029"
    },
    {
      "nct_id": "NCT02597829",
      "title": "Does Clinical Response Correlate With Serum Certolizumab Levels?",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Crohn's Disease"
      ],
      "interventions": [
        {
          "name": "Certolizumab Pegol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shafran Gastroenterology Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 20,
      "start_date": "2015-11",
      "completion_date": "2018-10",
      "has_results": false,
      "last_update_posted_date": "2015-11-05",
      "last_synced_at": "2026-11-14T23:51:08.007Z",
      "location_count": 1,
      "location_summary": "Winter Park, Florida",
      "locations": [
        {
          "city": "Winter Park",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02597829"
    },
    {
      "nct_id": "NCT06394869",
      "title": "Study to Assess the Impact of the Urine Test Cxbladder Triage Plus on the Number of Cystoscopies Performed on Patients With Invisible Blood in Their Urine.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hematuria - Cause Not Known"
      ],
      "interventions": [
        {
          "name": "Cxbladder Triage Plus",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Pacific Edge Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "88 Years",
        "sex": "ALL",
        "summary": "18 Years to 88 Years"
      },
      "enrollment_count": 1000,
      "start_date": "2025-04-29",
      "completion_date": "2028-04",
      "has_results": false,
      "last_update_posted_date": "2026-07-02",
      "last_synced_at": "2026-11-14T23:51:08.007Z",
      "location_count": 20,
      "location_summary": "Homewood, Alabama • Mobile, Alabama • Fresno, California + 15 more",
      "locations": [
        {
          "city": "Homewood",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06394869"
    },
    {
      "nct_id": "NCT06899711",
      "title": "External Post-Operative Skull Prosthesis to Prevent Sunken Flap Syndrome in Craniectomy Patients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Craniectomy",
        "Trephined Syndrome",
        "Traumatic Brain Injury (TBI) Patients",
        "Ischemic Stroke"
      ],
      "interventions": [
        {
          "name": "External Cranial Prosthesis",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2025-04-26",
      "completion_date": "2028-04",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-11-14T23:51:08.007Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06899711"
    }
  ]
}