{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=120",
    "query": {
      "intervention": "Blood samples collected",
      "page": 120
    },
    "page_size": 10
  },
  "pagination": {
    "page": 120,
    "page_size": 10,
    "total_count": 4280,
    "total_pages": 428,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=121&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=119&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T07:56:42.265Z",
  "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": "NCT04888923",
      "title": "Natural History of the Human Biological Response to Environmental Exposure and Injury",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Inflammation",
        "Normal Controls",
        "Metabolic Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Environmental Health Sciences (NIEHS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 2000,
      "start_date": "2021-11-16",
      "completion_date": "2031-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-29",
      "last_synced_at": "2026-11-15T07:56:42.265Z",
      "location_count": 1,
      "location_summary": "Research Triangle Park, North Carolina",
      "locations": [
        {
          "city": "Research Triangle Park",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04888923"
    },
    {
      "nct_id": "NCT04224558",
      "title": "Stem Cell Transplantation in Crohn's Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Crohn Disease"
      ],
      "interventions": [
        {
          "name": "Mesna",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Filgrastim",
          "type": "DRUG"
        },
        {
          "name": "Apheresis catheter placement",
          "type": "PROCEDURE"
        },
        {
          "name": "Leukapheresis",
          "type": "PROCEDURE"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "Diphenhydramine",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "anti-thymocyte globulin (rabbit)",
          "type": "DRUG"
        },
        {
          "name": "lymphocyte immune globulin",
          "type": "DRUG"
        },
        {
          "name": "Peripheral Blood Stem Cell Infusion",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cytoxan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "28 Years",
        "sex": "ALL",
        "summary": "13 Years to 28 Years"
      },
      "enrollment_count": 15,
      "start_date": "2019-11-15",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-02-20",
      "last_synced_at": "2026-11-15T07:56:42.265Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04224558"
    },
    {
      "nct_id": "NCT03170297",
      "title": "SC2i VIPER: EnVenomation Investigation Pilot to Evaluate Recovery",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Critical Illness"
      ],
      "interventions": [
        {
          "name": "Research interventions of blood sampling and data collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Henry M. Jackson Foundation for the Advancement of Military Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 15,
      "start_date": "2017-05-05",
      "completion_date": "2019-12-15",
      "has_results": false,
      "last_update_posted_date": "2025-08-12",
      "last_synced_at": "2026-11-15T07:56:42.265Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03170297"
    },
    {
      "nct_id": "NCT03367546",
      "title": "Haploidentical Allogeneic Hematopoietic Stem Cell Transplantation (HaploHCT) Following Reduced Intensity Conditioning (RIC) for Selected High Risk Non-Malignant Diseases",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sickle Cell Disease",
        "Thalassemia",
        "High Risk Hematologic Disorders",
        "Cerebral Adrenoleukodystrophy",
        "Inherited Metabolic Disorders"
      ],
      "interventions": [
        {
          "name": "Blood and Marrow Transplant",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "0 Years to 25 Years"
      },
      "enrollment_count": 5,
      "start_date": "2018-07-02",
      "completion_date": "2022-12-19",
      "has_results": false,
      "last_update_posted_date": "2024-07-12",
      "last_synced_at": "2026-11-15T07:56:42.265Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03367546"
    },
    {
      "nct_id": "NCT05306288",
      "title": "CASCADE-LUNG: Cancer Screening Assay Using DELFI; A Clinical Validation Study in Lung",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Blood Sample Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Delfi Diagnostics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 11935,
      "start_date": "2022-04-07",
      "completion_date": "2026-10-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-19",
      "last_synced_at": "2026-11-15T07:56:42.265Z",
      "location_count": 66,
      "location_summary": "Cullman, Alabama • Culver City, California • Mission Hills, California + 55 more",
      "locations": [
        {
          "city": "Cullman",
          "state": "Alabama"
        },
        {
          "city": "Culver City",
          "state": "California"
        },
        {
          "city": "Mission Hills",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Redding",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05306288"
    },
    {
      "nct_id": "NCT00002762",
      "title": "Correlation of Menstrual Cycle Phase at Time of Primary Surgery With 5-Year Disease-Free Survival in Women With Stage I or Stage II Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Perioperative/Postoperative Complications"
      ],
      "interventions": [
        {
          "name": "patient interviewing to obtain menstrual history",
          "type": "BEHAVIORAL"
        },
        {
          "name": "blood sampling",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "PROCEDURE"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 55 Years · Female only"
      },
      "enrollment_count": 1118,
      "start_date": "1996-06",
      "completion_date": "2009-10",
      "has_results": false,
      "last_update_posted_date": "2016-07-12",
      "last_synced_at": "2026-11-15T07:56:42.265Z",
      "location_count": 52,
      "location_summary": "Mobile, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 44 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002762"
    },
    {
      "nct_id": "NCT02402803",
      "title": "Dried Blood Spot- Statin Pilot Study",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hyperlipidemias",
        "Cardiovascular Diseases"
      ],
      "interventions": [
        {
          "name": "Dried blood spot testing and phlebotomy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "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": "2015-10",
      "completion_date": "2020-10",
      "has_results": false,
      "last_update_posted_date": "2020-10-08",
      "last_synced_at": "2026-11-15T07:56:42.265Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02402803"
    },
    {
      "nct_id": "NCT02781025",
      "title": "Culture of Circulating Tumor Cells Isolated From Cancer Patients With Metastatic Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Circulating Tumor Cells"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "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": 42,
      "start_date": "2016-04",
      "completion_date": "2020-12-30",
      "has_results": false,
      "last_update_posted_date": "2021-12-22",
      "last_synced_at": "2026-11-15T07:56:42.265Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02781025"
    },
    {
      "nct_id": "NCT04840589",
      "title": "Testing the Combination of ZEN003694 and Nivolumab With or Without Ipilimumab in Solid Tumors",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Metastatic Malignant Solid Neoplasm",
        "Recurrent Malignant Solid Neoplasm",
        "Recurrent Platinum-Resistant Ovarian Carcinoma",
        "Refractory Ovarian Carcinoma"
      ],
      "interventions": [
        {
          "name": "BET Bromodomain Inhibitor ZEN-3694",
          "type": "DRUG"
        },
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "X-Ray Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 66,
      "start_date": "2022-02-02",
      "completion_date": "2028-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-11-12",
      "last_synced_at": "2026-11-15T07:56:42.265Z",
      "location_count": 9,
      "location_summary": "Bethesda, Maryland • New York, New York • The Bronx, New York + 3 more",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04840589"
    },
    {
      "nct_id": "NCT02806310",
      "title": "Podocan and Wnt Pathway in the Development of Aortopathy in Bicuspid Valve Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Aortic Valve Disease"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Bassett Healthcare",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 29,
      "start_date": "2016-06",
      "completion_date": "2020-12",
      "has_results": false,
      "last_update_posted_date": "2022-03-02",
      "last_synced_at": "2026-11-15T07:56:42.265Z",
      "location_count": 1,
      "location_summary": "Cooperstown, New York",
      "locations": [
        {
          "city": "Cooperstown",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02806310"
    }
  ]
}