{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=13",
    "query": {
      "intervention": "Blood samples collected",
      "page": 13
    },
    "page_size": 10
  },
  "pagination": {
    "page": 13,
    "page_size": 10,
    "total_count": 4249,
    "total_pages": 425,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=14&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=12&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-08T12:03:40.067Z",
  "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": "NCT01459315",
      "title": "GSK1349572 Exposure in Blood, Seminal Fluid, and Rectal Fluid and Tissue in Healthy Male Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "dolutegravir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "MALE",
        "summary": "18 Years to 49 Years · Male only"
      },
      "enrollment_count": 14,
      "start_date": "2011-11",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2013-07-04",
      "last_synced_at": "2026-10-08T12:03:40.067Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01459315"
    },
    {
      "nct_id": "NCT03517917",
      "title": "Prospective Tissue Collection Research Protocol",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Solid Tumor"
      ],
      "interventions": [
        {
          "name": "Tumour tissue collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 221,
      "start_date": "2018-02-08",
      "completion_date": "2024-10-08",
      "has_results": false,
      "last_update_posted_date": "2025-05-23",
      "last_synced_at": "2026-10-08T12:03:40.067Z",
      "location_count": 3,
      "location_summary": "New York, New York • Durham, North Carolina • Georgetown, Washington",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Georgetown",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03517917"
    },
    {
      "nct_id": "NCT07437950",
      "title": "Comparing Different Treatment Lengths for Venetoclax in Older People With Newly Diagnosed Acute Myeloid Leukemia (A MyeloMATCH Treatment Trial)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Decitabine and Cedazuridine",
          "type": "DRUG"
        },
        {
          "name": "Venetoclax",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 126,
      "start_date": "2026-09-25",
      "completion_date": "2034-09-22",
      "has_results": false,
      "last_update_posted_date": "2026-10-07",
      "last_synced_at": "2026-10-08T12:03:40.067Z",
      "location_count": 36,
      "location_summary": "Coeur d'Alene, Idaho • Post Falls, Idaho • Sandpoint, Idaho + 29 more",
      "locations": [
        {
          "city": "Coeur d'Alene",
          "state": "Idaho"
        },
        {
          "city": "Post Falls",
          "state": "Idaho"
        },
        {
          "city": "Sandpoint",
          "state": "Idaho"
        },
        {
          "city": "Bloomington",
          "state": "Illinois"
        },
        {
          "city": "Canton",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07437950"
    },
    {
      "nct_id": "NCT02978118",
      "title": "Exploring Relevant Immune-based Biomarkers and Circulating Tumor Cells During Treatment With Immunotherapy in Genitourinary Malignancies (CTC Immune Based Biomarkers)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Carcinoma, Renal Cell",
        "Carcinoma, Urothelial"
      ],
      "interventions": [
        {
          "name": "Immune cell and CTC detection procedures",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 67,
      "start_date": "2017-03-07",
      "completion_date": "2028-10",
      "has_results": false,
      "last_update_posted_date": "2026-09-03",
      "last_synced_at": "2026-10-08T12:03:40.067Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02978118"
    },
    {
      "nct_id": "NCT06015490",
      "title": "The Impact of the Physiological Response to Sugar on Brain Activity and Behavior",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Food Preferences",
        "Appetitive Behavior"
      ],
      "interventions": [
        {
          "name": "Sucrose drink",
          "type": "OTHER"
        },
        {
          "name": "Glucose drink",
          "type": "OTHER"
        },
        {
          "name": "Fructose drink",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Virginia Polytechnic Institute and State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 7,
      "start_date": "2023-09-01",
      "completion_date": "2024-07-22",
      "has_results": true,
      "last_update_posted_date": "2025-09-11",
      "last_synced_at": "2026-10-08T12:03:40.067Z",
      "location_count": 1,
      "location_summary": "Roanoke, Virginia",
      "locations": [
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06015490"
    },
    {
      "nct_id": "NCT07543159",
      "title": "Clinical Biospecimen Collection",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer Risk"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "North Shore Hematology Oncology Associates P.C dba New York Cancer and Blood Specialists",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 900000,
      "start_date": "2025-12-23",
      "completion_date": "2035-10-06",
      "has_results": false,
      "last_update_posted_date": "2026-04-24",
      "last_synced_at": "2026-10-08T12:03:40.067Z",
      "location_count": 1,
      "location_summary": "Shirley, New York",
      "locations": [
        {
          "city": "Shirley",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07543159"
    },
    {
      "nct_id": "NCT05138991",
      "title": "Reproducibility and Accuracy of a Portable System for Early Detection of Cardiac Dysfunction in Childhood Cancer Survivors",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hematopoietic and Lymphoid Cell Neoplasm",
        "Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Echocardiogram Recording",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Stress Cardiac Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Wireless Synchronized Cardiac Function Monitoring Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 149,
      "start_date": "2022-06-22",
      "completion_date": "2026-07-16",
      "has_results": false,
      "last_update_posted_date": "2025-09-23",
      "last_synced_at": "2026-10-08T12:03:40.067Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05138991"
    },
    {
      "nct_id": "NCT00005796",
      "title": "Combination Chemotherapy Plus Gene Therapy in Treating Patients With CNS Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Bone Marrow Suppression",
        "Brain and Central Nervous System Tumors",
        "Drug/Agent Toxicity by Tissue/Organ"
      ],
      "interventions": [
        {
          "name": "filgrastim",
          "type": "PROCEDURE"
        },
        {
          "name": "gene therapy",
          "type": "BIOLOGICAL"
        },
        {
          "name": "lomustine",
          "type": "DRUG"
        },
        {
          "name": "procarbazine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "vincristine sulfate",
          "type": "DRUG"
        },
        {
          "name": "in vitro-treated peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "5 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2000-02",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2015-03-25",
      "last_synced_at": "2026-10-08T12:03:40.067Z",
      "location_count": 2,
      "location_summary": "Indianapolis, Indiana • Boston, Massachusetts",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00005796"
    },
    {
      "nct_id": "NCT05311046",
      "title": "Biomarker-enhanced Artificial Intelligence Based Pediatric Sepsis Screening Tool",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sepsis"
      ],
      "interventions": [
        {
          "name": "Pediatric sepsis screening tool (either algorithmic or manual)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Computer Technology Associates, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Months",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "3 Months to 45 Years"
      },
      "enrollment_count": 12961,
      "start_date": "2026-04-01",
      "completion_date": "2029-03-31",
      "has_results": false,
      "last_update_posted_date": "2025-09-08",
      "last_synced_at": "2026-10-08T12:03:40.067Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05311046"
    },
    {
      "nct_id": "NCT04755140",
      "title": "Endoprosthesis Metal Toxicity Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bone Tumor",
        "Cancer of Bone",
        "Heart Diseases",
        "Cognitive Impairment",
        "Cognitive Decline",
        "Chemotherapy Effect",
        "Memory Problem"
      ],
      "interventions": [
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Interviews",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Blood Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Echocardiogram",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 20,
      "start_date": "2021-03-19",
      "completion_date": "2024-05-01",
      "has_results": false,
      "last_update_posted_date": "2024-12-16",
      "last_synced_at": "2026-10-08T12:03:40.067Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04755140"
    }
  ]
}