{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Research+Blood+Collection&page=4",
    "query": {
      "intervention": "Research Blood Collection",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 457,
    "total_pages": 46,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Research+Blood+Collection&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Research+Blood+Collection&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T23:43:07.213Z",
  "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": "NCT00581958",
      "title": "Radiation Biodosimetry in Patients Treated With Total Body Irradiation (TBI)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Blood Samples",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "4 Years to 100 Years"
      },
      "enrollment_count": 198,
      "start_date": "2007-11",
      "completion_date": "2018-10-31",
      "has_results": false,
      "last_update_posted_date": "2018-11-05",
      "last_synced_at": "2026-10-19T23:43:07.213Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00581958"
    },
    {
      "nct_id": "NCT04377997",
      "title": "Safety and Efficacy of Therapeutic Anticoagulation on Clinical Outcomes in Hospitalized Patients With COVID-19",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cardiovascular Diseases",
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Enoxaparin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2020-05-15",
      "completion_date": "2022-06-01",
      "has_results": false,
      "last_update_posted_date": "2022-02-22",
      "last_synced_at": "2026-10-19T23:43:07.213Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04377997"
    },
    {
      "nct_id": "NCT03109197",
      "title": "Sudden Unexplained Death in Childhood (SUDC) Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sudden Unexplained Death Syndrome",
        "Sudden Unexplained Death in Childhood"
      ],
      "interventions": [
        {
          "name": "Biospecimin Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "11 Months",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "11 Months to 100 Years"
      },
      "enrollment_count": 1600,
      "start_date": "2014-10-01",
      "completion_date": "2028-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-28",
      "last_synced_at": "2026-10-19T23:43:07.213Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03109197"
    },
    {
      "nct_id": "NCT06323876",
      "title": "The Role of Quantitative CT and Radiomic Biomarkers for Precision Medicine in Pulmonary Fibrosis",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Idiopathic Pulmonary Fibrosis"
      ],
      "interventions": [
        {
          "name": "HRCT",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood Draw",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "101 Years",
        "sex": "ALL",
        "summary": "40 Years to 101 Years"
      },
      "enrollment_count": 160,
      "start_date": "2024-06-20",
      "completion_date": "2029-05",
      "has_results": false,
      "last_update_posted_date": "2024-08-16",
      "last_synced_at": "2026-10-19T23:43:07.213Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06323876"
    },
    {
      "nct_id": "NCT02875314",
      "title": "HeadStart4: Newly Diagnosed Children (<10 y/o) With Medulloblastoma and Other CNS Embryonal Tumors",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Medulloblastoma",
        "Central Nervous System Embryonal Tumors"
      ],
      "interventions": [
        {
          "name": "Induction",
          "type": "DRUG"
        },
        {
          "name": "Single Cycle Intensive Chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "Tandem 3 Cycle Intensive Chemotherapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Parth Patel",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "10 Years",
        "sex": "ALL",
        "summary": "Up to 10 Years"
      },
      "enrollment_count": 250,
      "start_date": "2015-09",
      "completion_date": "2030-12",
      "has_results": false,
      "last_update_posted_date": "2026-06-03",
      "last_synced_at": "2026-10-19T23:43:07.213Z",
      "location_count": 55,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 47 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02875314"
    },
    {
      "nct_id": "NCT03464396",
      "title": "Prematurity-Related Ventilatory Control",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Respiratory Control in Premature Infants"
      ],
      "interventions": [
        {
          "name": "Bedside Physiology study",
          "type": "OTHER"
        },
        {
          "name": "Carotid Body Function Test",
          "type": "OTHER"
        },
        {
          "name": "Room Air Challenge",
          "type": "OTHER"
        },
        {
          "name": "Hypoxia Challenge Test",
          "type": "OTHER"
        },
        {
          "name": "Effects of Nasal Cannula Flow",
          "type": "OTHER"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Echocardiogram",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood Sample",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "28 Days",
        "sex": "ALL",
        "summary": "1 Day to 28 Days"
      },
      "enrollment_count": 177,
      "start_date": "2018-05-14",
      "completion_date": "2022-03-09",
      "has_results": false,
      "last_update_posted_date": "2023-01-31",
      "last_synced_at": "2026-10-19T23:43:07.213Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03464396"
    },
    {
      "nct_id": "NCT03741023",
      "title": "Disorders of the Acute Phase Response Following Trauma and Invasive Surgery",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Phase Response"
      ],
      "interventions": [
        {
          "name": "Blood draw (venipuncture or fingerstick)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Months and older"
      },
      "enrollment_count": 320,
      "start_date": "2019-12-12",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-10-19T23:43:07.213Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03741023"
    },
    {
      "nct_id": "NCT07218978",
      "title": "Ripe for Revival: Outcomes Evaluation of a Mobile Produce Market With Vouchers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diet Interventions",
        "Food Security",
        "Nutrition Security",
        "Fruit and Vegetable Intake"
      ],
      "interventions": [
        {
          "name": "Mobile Market Voucher Outcomes Study",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "North Carolina State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2026-05-01",
      "completion_date": "2028-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-10-19T23:43:07.213Z",
      "location_count": 1,
      "location_summary": "Raleigh, North Carolina",
      "locations": [
        {
          "city": "Raleigh",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07218978"
    },
    {
      "nct_id": "NCT06747364",
      "title": "Phosphatidylethanol and Other Ethanol Consumption Markers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Volunteer",
        "Alcohol Consumption"
      ],
      "interventions": [
        {
          "name": "Alcohol (Ethanol)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2025-01-07",
      "completion_date": "2029-06",
      "has_results": false,
      "last_update_posted_date": "2025-05-13",
      "last_synced_at": "2026-10-19T23:43:07.213Z",
      "location_count": 2,
      "location_summary": "Denton, Texas • San Antonio, Texas",
      "locations": [
        {
          "city": "Denton",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06747364"
    },
    {
      "nct_id": "NCT01602016",
      "title": "A Folinic Acid Intervention for Autism Spectrum Disorders",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Autism Spectrum Disorder",
        "Autistic Disorder",
        "Autism",
        "Asperger's Syndrome",
        "Pervasive Development Disorders"
      ],
      "interventions": [
        {
          "name": "Folinic Acid and placebo",
          "type": "DRUG"
        },
        {
          "name": "Folinic Acid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "3 Years to 14 Years"
      },
      "enrollment_count": 99,
      "start_date": "2012-05",
      "completion_date": "2015-11",
      "has_results": true,
      "last_update_posted_date": "2017-10-17",
      "last_synced_at": "2026-10-19T23:43:07.213Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01602016"
    }
  ]
}