{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=101",
    "query": {
      "intervention": "Blood samples collected",
      "page": 101
    },
    "page_size": 10
  },
  "pagination": {
    "page": 101,
    "page_size": 10,
    "total_count": 4272,
    "total_pages": 428,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=102&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=100&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-03T01:38:04.345Z",
  "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": "NCT00064337",
      "title": "S0115, High-Dose Melphalan and Autologous Peripheral Stem Cell Transplantation in Treating Patients With Multiple Myeloma or Primary Systemic Amyloidosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multiple Myeloma",
        "Plasma Cell Myeloma"
      ],
      "interventions": [
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "melphalan",
          "type": "DRUG"
        },
        {
          "name": "thalidomide",
          "type": "DRUG"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "SWOG Cancer Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 104,
      "start_date": "2004-01",
      "completion_date": "2015-11",
      "has_results": true,
      "last_update_posted_date": "2018-08-09",
      "last_synced_at": "2026-11-03T01:38:04.345Z",
      "location_count": 35,
      "location_summary": "Little Rock, Arkansas • Sacramento, California • Boise, Idaho + 19 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Boise",
          "state": "Idaho"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Salina",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00064337"
    },
    {
      "nct_id": "NCT03724357",
      "title": "Blood Donor CVD 9000",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cholera Vaccination"
      ],
      "interventions": [
        {
          "name": "Vaxchora",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "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": 3,
      "start_date": "2018-11-04",
      "completion_date": "2021-10-28",
      "has_results": true,
      "last_update_posted_date": "2023-02-02",
      "last_synced_at": "2026-11-03T01:38:04.345Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03724357"
    },
    {
      "nct_id": "NCT02550171",
      "title": "BioGene Bank Cohort Study for Approved Research Requests",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy",
        "Chronic Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "1 Year and older"
      },
      "enrollment_count": 7056,
      "start_date": "2009-03",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2016-09-19",
      "last_synced_at": "2026-11-03T01:38:04.345Z",
      "location_count": 1,
      "location_summary": "Manhasset, New York",
      "locations": [
        {
          "city": "Manhasset",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02550171"
    },
    {
      "nct_id": "NCT06305091",
      "title": "DNA Methylation Markers in Veterans Exposed to Open Burn Pits",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Open Burn Pit Exposure"
      ],
      "interventions": [
        {
          "name": "Health survey for physical and mental health comorbidities, epigenetic marker and heavy metals in blood and urine samples",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Central Arkansas Veterans Healthcare System",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "25 Years to 70 Years"
      },
      "enrollment_count": 330,
      "start_date": "2023-03-13",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2024-03-12",
      "last_synced_at": "2026-11-03T01:38:04.345Z",
      "location_count": 1,
      "location_summary": "North Little Rock, Arkansas",
      "locations": [
        {
          "city": "North Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06305091"
    },
    {
      "nct_id": "NCT07716735",
      "title": "Mercaptopurine for the Treatment of Hereditary Leiomyomatosis and Renal Cell Carcinoma (HLRCC), Uterine/Cutaneous Leiomyomas, and Kidney Cancer",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Advanced Kidney Carcinoma",
        "Advanced Renal Cell Carcinoma",
        "Hereditary Leiomyomatosis and Renal Cell Carcinoma",
        "Metastatic Kidney Carcinoma",
        "Metastatic Renal Cell Carcinoma",
        "Skin Leiomyoma",
        "Stage III Renal Cell Cancer AJCC v8",
        "Stage IV Renal Cell Cancer AJCC v8",
        "Uterine Corpus Leiomyoma"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Mercaptopurine",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Skin Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Jonsson Comprehensive 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": 18,
      "start_date": "2026-12-01",
      "completion_date": "2035-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-06",
      "last_synced_at": "2026-11-03T01:38:04.345Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07716735"
    },
    {
      "nct_id": "NCT02725060",
      "title": "Autoimmune Basis for Postural Tachycardia Syndrome",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postural Orthostatic Tachycardia Syndrome",
        "Postural Tachycardia Syndrome",
        "Tachycardia",
        "Arrhythmias, Cardiac",
        "Autonomic Nervous System Diseases",
        "Orthostatic Intolerance",
        "Cardiovascular Diseases",
        "Primary Dysautonomias"
      ],
      "interventions": [
        {
          "name": "phenylephrine",
          "type": "DRUG"
        },
        {
          "name": "isoproterenol",
          "type": "DRUG"
        },
        {
          "name": "25 micro-Ci of radiation",
          "type": "RADIATION"
        },
        {
          "name": "Posture study with blood samples",
          "type": "PROCEDURE"
        },
        {
          "name": "24-hour heart rhythm and blood pressure monitoring",
          "type": "PROCEDURE"
        },
        {
          "name": "Quantitative Axonal Sudomotor Reflex Testing",
          "type": "PROCEDURE"
        },
        {
          "name": "Autonomic function tests",
          "type": "PROCEDURE"
        },
        {
          "name": "Rebreathing test",
          "type": "OTHER"
        },
        {
          "name": "Assessment of splanchnic capacitance",
          "type": "OTHER"
        },
        {
          "name": "microneurography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 58,
      "start_date": "2016-02",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-11-12",
      "last_synced_at": "2026-11-03T01:38:04.345Z",
      "location_count": 2,
      "location_summary": "Oklahoma City, Oklahoma • Nashville, Tennessee",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02725060"
    },
    {
      "nct_id": "NCT04500548",
      "title": "Testing the Combination of Two Immunotherapy Drugs (Nivolumab and Ipilimumab) in Children, Adolescent, and Young Adult Patients With Relapsed/Refractory Cancers That Have an Increased Number of Genetic Changes, The 3CI Study",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Constitutional Mismatch Repair Deficiency Syndrome",
        "Hematopoietic and Lymphoid Cell Neoplasm",
        "Lynch Syndrome",
        "Recurrent Lymphoma",
        "Recurrent Malignant Solid Neoplasm",
        "Recurrent Neuroblastoma",
        "Recurrent Primary Central Nervous System Neoplasm",
        "Refractory Lymphoma",
        "Refractory Malignant Solid Neoplasm",
        "Refractory Neuroblastoma",
        "Refractory Primary Central Nervous System Neoplasm",
        "Xeroderma Pigmentosum"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "12 Months to 25 Years"
      },
      "enrollment_count": 0,
      "start_date": "2021-05-11",
      "completion_date": "2022-06-21",
      "has_results": false,
      "last_update_posted_date": "2026-06-10",
      "last_synced_at": "2026-11-03T01:38:04.345Z",
      "location_count": 7,
      "location_summary": "Palo Alto, California • Aurora, Colorado • St Louis, Missouri + 4 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04500548"
    },
    {
      "nct_id": "NCT06195306",
      "title": "Low Dose Tamoxifen With or Without Omega-3 Fatty Acids for Breast Cancer Risk Reduction",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Atypical Hyperplasia",
        "Breast Carcinoma",
        "Breast Ductal Carcinoma In Situ",
        "Breast Lobular Carcinoma In Situ"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Mammography",
          "type": "PROCEDURE"
        },
        {
          "name": "Omega-3-Acid Ethyl Esters",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Random Periareolar Fine-Needle Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Tamoxifen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "74 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 74 Years · Female only"
      },
      "enrollment_count": 66,
      "start_date": "2025-07-28",
      "completion_date": "2028-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-04",
      "last_synced_at": "2026-11-03T01:38:04.345Z",
      "location_count": 3,
      "location_summary": "Kansas City, Kansas • Ann Arbor, Michigan • Columbus, Ohio",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06195306"
    },
    {
      "nct_id": "NCT06249984",
      "title": "Effects of Tobacco Cut and Nicotine Form on the Abuse Liability of Moist Snuff",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Carbon Monoxide Measurement",
          "type": "PROCEDURE"
        },
        {
          "name": "Smokeless Tobacco Use",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "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": "2024-12-20",
      "completion_date": "2028-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-11-03T01:38:04.345Z",
      "location_count": 2,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06249984"
    },
    {
      "nct_id": "NCT01277549",
      "title": "Evaluation of the Spectra Optia® Apheresis System Mononuclear Cell (MNC) Collection Procedure in Healthy Blood Donors",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Leukapheresis"
      ],
      "interventions": [
        {
          "name": "Mononuclear cell collection.",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Terumo BCT",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 71,
      "start_date": "2011-01",
      "completion_date": "2011-09",
      "has_results": true,
      "last_update_posted_date": "2013-05-03",
      "last_synced_at": "2026-11-03T01:38:04.345Z",
      "location_count": 3,
      "location_summary": "Emeryville, California • Memphis, Tennessee • Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Emeryville",
          "state": "California"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01277549"
    }
  ]
}