{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=73",
    "query": {
      "intervention": "Blood samples collected",
      "page": 73
    },
    "page_size": 10
  },
  "pagination": {
    "page": 73,
    "page_size": 10,
    "total_count": 4266,
    "total_pages": 427,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=74&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=72&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T13:22:34.808Z",
  "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": "NCT00300053",
      "title": "ACT34-CMI -- Adult Autologous CD34+ Cells",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Myocardial Ischemia"
      ],
      "interventions": [
        {
          "name": "CLBS14 (low-dose)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CLBS14 (high-dose)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "placebo injection",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Lisata Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 321,
      "start_date": "2006-04",
      "completion_date": "2009-03",
      "has_results": true,
      "last_update_posted_date": "2021-01-26",
      "last_synced_at": "2026-10-22T13:22:34.808Z",
      "location_count": 26,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • La Jolla, California + 18 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00300053"
    },
    {
      "nct_id": "NCT07217431",
      "title": "Access BNP Clinical Performance Evaluation: Testing and Clinical Concordance Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "BNP",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Beckman Coulter, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 1361,
      "start_date": "2024-10-10",
      "completion_date": "2025-03-25",
      "has_results": false,
      "last_update_posted_date": "2026-10-06",
      "last_synced_at": "2026-10-22T13:22:34.808Z",
      "location_count": 3,
      "location_summary": "Baltimore, Maryland • Eden Prairie, Minnesota • Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Eden Prairie",
          "state": "Minnesota"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07217431"
    },
    {
      "nct_id": "NCT02449837",
      "title": "Investigation of Circulating Tumor Cells From Cancer Patients Undergoing Radiation Therapy",
      "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": 162,
      "start_date": "2014-05",
      "completion_date": "2022-02-20",
      "has_results": false,
      "last_update_posted_date": "2022-09-28",
      "last_synced_at": "2026-10-22T13:22:34.808Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02449837"
    },
    {
      "nct_id": "NCT04036045",
      "title": "Approaches to Identify Early Biomarkers and Pathogenesis of Anthracycline Cardiotoxicity",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Childhood Cancer"
      ],
      "interventions": [
        {
          "name": "Cardiac MRI",
          "type": "OTHER"
        },
        {
          "name": "Echocardiogram",
          "type": "OTHER"
        },
        {
          "name": "Blood Draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Connecticut Children's Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "9 Years to 18 Years"
      },
      "enrollment_count": 0,
      "start_date": "2018-11-12",
      "completion_date": "2025-03-31",
      "has_results": false,
      "last_update_posted_date": "2025-10-06",
      "last_synced_at": "2026-10-22T13:22:34.808Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04036045"
    },
    {
      "nct_id": "NCT04464070",
      "title": "Pathways of Eicosanoid Metabolism",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Metabolism of Prostaglandin D2"
      ],
      "interventions": [
        {
          "name": "niacin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "aspirin",
          "type": "DRUG"
        },
        {
          "name": "PGD2",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 10,
      "start_date": "2020-08-15",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-10-22T13:22:34.808Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04464070"
    },
    {
      "nct_id": "NCT03526666",
      "title": "Ascorbic Acid Levels in MDS, AML, and CMML Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Myelodysplastic Syndromes",
        "Acute Myeloid Leukemia",
        "Chronic Myelomonocytic Leukemia",
        "MDS",
        "AML",
        "CMML"
      ],
      "interventions": [
        {
          "name": "Peripheral blood collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Van Andel Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2017-11-01",
      "completion_date": "2018-10-31",
      "has_results": false,
      "last_update_posted_date": "2019-10-03",
      "last_synced_at": "2026-10-22T13:22:34.808Z",
      "location_count": 2,
      "location_summary": "Grand Rapids, Michigan • Wyoming, Michigan",
      "locations": [
        {
          "city": "Grand Rapids",
          "state": "Michigan"
        },
        {
          "city": "Wyoming",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03526666"
    },
    {
      "nct_id": "NCT06420219",
      "title": "An Integrative Multi-Omic Characterization of Head and Neck Carcinogenesis, Progression and Recurrence",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Head and Neck Carcinoma"
      ],
      "interventions": [
        {
          "name": "Non-Interventional Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2024-03-25",
      "completion_date": "2029-03-25",
      "has_results": false,
      "last_update_posted_date": "2026-04-28",
      "last_synced_at": "2026-10-22T13:22:34.808Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06420219"
    },
    {
      "nct_id": "NCT05554328",
      "title": "Testing the Use of the Combination of Selumetinib and Olaparib or Selumetinib Alone Targeted Treatment for RAS Pathway Mutant Recurrent or Persistent Ovarian and Endometrial Cancers, A ComboMATCH Treatment Trial",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Endometrial Carcinoma",
        "Recurrent Fallopian Tube Carcinoma",
        "Recurrent Ovarian Carcinoma",
        "Recurrent Primary Peritoneal Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration and Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Olaparib",
          "type": "DRUG"
        },
        {
          "name": "Selumetinib Sulfate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 165,
      "start_date": "2023-04-25",
      "completion_date": "2027-10-09",
      "has_results": false,
      "last_update_posted_date": "2026-10-13",
      "last_synced_at": "2026-10-22T13:22:34.808Z",
      "location_count": 292,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 229 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Goodyear",
          "state": "Arizona"
        },
        {
          "city": "Kingman",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05554328"
    },
    {
      "nct_id": "NCT04397900",
      "title": "Blood Collection Study From COVID-19 Convalescents Previously Hospitalized to Identify Immunogenic Viral Epitopes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Identify the Viral Epitopes of Memory CD8 T Cells From Individuals That Have Recovered From SARS-CoV-2 Infection",
        "Determine Which SARS-CoV-2 Proteins Are Frequently Recognized by T Cells in Patients With Varying HLA Types"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "TScan Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 80,
      "start_date": "2020-04-09",
      "completion_date": "2021-04-12",
      "has_results": false,
      "last_update_posted_date": "2021-04-14",
      "last_synced_at": "2026-10-22T13:22:34.808Z",
      "location_count": 2,
      "location_summary": "New Orleans, Louisiana • Morristown, New Jersey",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Morristown",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04397900"
    },
    {
      "nct_id": "NCT01180075",
      "title": "Tenofovir, Emtricitabine, Efavirenz and Atazanavir Pharmacokinetics in the Aging HIV-Infected Population",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Human Immunodeficiency Virus"
      ],
      "interventions": [
        {
          "name": "tenofovir/emtricitabine/efavirenz (TDF/FTC/EFV)",
          "type": "DRUG"
        },
        {
          "name": "tenofovir/emtricitabine (TDF/FTC)",
          "type": "DRUG"
        },
        {
          "name": "Atazanavir (ATV)",
          "type": "DRUG"
        },
        {
          "name": "Ritonavir",
          "type": "DRUG"
        },
        {
          "name": "Phlebotomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 85,
      "start_date": "2010-05",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2014-12-02",
      "last_synced_at": "2026-10-22T13:22:34.808Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01180075"
    }
  ]
}