{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+drawn",
    "query": {
      "intervention": "Blood drawn"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 627,
    "total_pages": 63,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+drawn&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-11T16:18:08.456Z",
  "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": "NCT00179868",
      "title": "C-Reactive Protein as a Predictor of Stem Cell Transplant Complications",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer",
        "Leukemia",
        "Stem Cell Transplantation"
      ],
      "interventions": [
        {
          "name": "C-Reactive Protein levels",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Ann & Robert H Lurie Children's Hospital of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "6 Months to 20 Years"
      },
      "enrollment_count": 70,
      "start_date": "2003-01",
      "completion_date": "2008-02",
      "has_results": false,
      "last_update_posted_date": "2025-02-06",
      "last_synced_at": "2026-09-11T16:18:08.456Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00179868"
    },
    {
      "nct_id": "NCT01701050",
      "title": "Characterization of Circulating Tumor Cells (CTC) From Patients With Metastatic Breast Cancer Using the CTC-Endocrine Therapy Index",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Blood collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Janssen Diagnostics, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 121,
      "start_date": "2013-04-01",
      "completion_date": "2016-11-10",
      "has_results": false,
      "last_update_posted_date": "2017-03-08",
      "last_synced_at": "2026-09-11T16:18:08.456Z",
      "location_count": 18,
      "location_summary": "Phoenix, Arizona • Fort Myers, Florida • St. Petersburg, Florida + 14 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Fort Myers",
          "state": "Florida"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01701050"
    },
    {
      "nct_id": "NCT06471374",
      "title": "Pathophysiology of Circadian Rhythm Delayed Sleep Wake Phase Disorder",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Delayed Sleep Phase Syndrome",
        "Delayed Sleep Phase"
      ],
      "interventions": [
        {
          "name": "Circadian rhythm assessment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Light sensitivity assessment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Boulder",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "16 Years to 40 Years"
      },
      "enrollment_count": 66,
      "start_date": "2024-04-02",
      "completion_date": "2028-07",
      "has_results": false,
      "last_update_posted_date": "2026-06-17",
      "last_synced_at": "2026-09-11T16:18:08.456Z",
      "location_count": 2,
      "location_summary": "Boulder, Colorado • Chicago, Illinois",
      "locations": [
        {
          "city": "Boulder",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06471374"
    },
    {
      "nct_id": "NCT02929745",
      "title": "Single Cell Genomics of Psoriatic Skin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Psoriasis"
      ],
      "interventions": [
        {
          "name": "Skin biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2016-07-01",
      "completion_date": "2020-12-09",
      "has_results": false,
      "last_update_posted_date": "2021-09-23",
      "last_synced_at": "2026-09-11T16:18:08.456Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02929745"
    },
    {
      "nct_id": "NCT00818961",
      "title": "Donor Stem Cell Transplant in Treating Patients With High-Risk Hematologic Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia",
        "Lymphoma",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Diseases"
      ],
      "interventions": [
        {
          "name": "alemtuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "graft-versus-tumor induction therapy",
          "type": "BIOLOGICAL"
        },
        {
          "name": "rituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "busulfan",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "fludarabine phosphate",
          "type": "DRUG"
        },
        {
          "name": "methotrexate",
          "type": "DRUG"
        },
        {
          "name": "tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "allogeneic bone marrow transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Northside Hospital, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "72 Years",
        "sex": "ALL",
        "summary": "40 Years to 72 Years"
      },
      "enrollment_count": 36,
      "start_date": "2005-05",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2013-12-18",
      "last_synced_at": "2026-09-11T16:18:08.456Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00818961"
    },
    {
      "nct_id": "NCT06693960",
      "title": "Evaluating the Pharmacokinetics of Oregano and Potential Oregano-drug Interactions Using a Drug Cocktail Approach",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Interaction"
      ],
      "interventions": [
        {
          "name": "Oregano",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Drug cocktail",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG"
      ],
      "sponsor": "Washington State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 16,
      "start_date": "2024-09-26",
      "completion_date": "2027-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-09-11T16:18:08.456Z",
      "location_count": 1,
      "location_summary": "Spokane, Washington",
      "locations": [
        {
          "city": "Spokane",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06693960"
    },
    {
      "nct_id": "NCT04116619",
      "title": "Investigating Stress-related Mechanisms in the Laboratory and Real World in Individuals With Cannabis Use Disorder",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cannabis Use Disorder"
      ],
      "interventions": [
        {
          "name": "Guided Imagery Laboratory Session",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 39,
      "start_date": "2021-02-01",
      "completion_date": "2022-02-01",
      "has_results": false,
      "last_update_posted_date": "2023-02-21",
      "last_synced_at": "2026-09-11T16:18:08.456Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04116619"
    },
    {
      "nct_id": "NCT06804291",
      "title": "The Effect of Cycling, Running, and Playing Rugby on Three Biomarkers That May Indicate Brain Injury",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Male and Female Subjects"
      ],
      "interventions": [
        {
          "name": "Running",
          "type": "OTHER"
        },
        {
          "name": "Cycling",
          "type": "OTHER"
        },
        {
          "name": "Rugby",
          "type": "OTHER"
        },
        {
          "name": "control group",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Appalachian State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2021-10-16",
      "completion_date": "2022-02-15",
      "has_results": false,
      "last_update_posted_date": "2025-02-03",
      "last_synced_at": "2026-09-11T16:18:08.456Z",
      "location_count": 1,
      "location_summary": "Boone, North Carolina",
      "locations": [
        {
          "city": "Boone",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06804291"
    },
    {
      "nct_id": "NCT03510689",
      "title": "Genetics and Heart Health After Cancer Therapy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Hereditary Breast/Ovarian Cancer (brca1, Brca2)",
        "Heart Diseases",
        "Drug-Induced Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "echocardiography",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Cardiopulmonary Exercise Testing",
          "type": "OTHER"
        },
        {
          "name": "Blood Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 79,
      "start_date": "2017-12-05",
      "completion_date": "2022-05-31",
      "has_results": false,
      "last_update_posted_date": "2024-10-16",
      "last_synced_at": "2026-09-11T16:18:08.456Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03510689"
    },
    {
      "nct_id": "NCT01099917",
      "title": "Does Maitake Mushroom Extract Enhance Hematopoiesis in Myelodysplastic Patients?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Myelodysplastic Syndrome"
      ],
      "interventions": [
        {
          "name": "Maitake",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2010-04",
      "completion_date": "2014-09",
      "has_results": true,
      "last_update_posted_date": "2016-05-19",
      "last_synced_at": "2026-09-11T16:18:08.456Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01099917"
    }
  ]
}