{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=60",
    "query": {
      "intervention": "Blood samples collected",
      "page": 60
    },
    "page_size": 10
  },
  "pagination": {
    "page": 60,
    "page_size": 10,
    "total_count": 4263,
    "total_pages": 427,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=61&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+samples+collected&page=59&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T12:42:14.217Z",
  "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": "NCT03655444",
      "title": "Abemaciclib + Nivolumab in Patients With Recurrent/Metastatic Head and Neck Squamous Cell Carcinoma That Progressed or Recurred Within Six Months After Platinum-based Chemotherapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Abemaciclib",
          "type": "DRUG"
        },
        {
          "name": "Nivolumab",
          "type": "DRUG"
        },
        {
          "name": "Tumor biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Peripheral blood",
          "type": "PROCEDURE"
        },
        {
          "name": "EORTC QLQ-30",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2019-05-29",
      "completion_date": "2020-08-24",
      "has_results": true,
      "last_update_posted_date": "2020-12-03",
      "last_synced_at": "2026-10-17T12:42:14.217Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03655444"
    },
    {
      "nct_id": "NCT03563651",
      "title": "Collection of Blood, Urine, and Stool to Monitor MetastaticColorectal Cancers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Stage III Colorectal Cancer AJCC v8",
        "Stage IIIA Colorectal Cancer AJCC v8",
        "Stage IIIB Colorectal Cancer AJCC v8",
        "Stage IIIC Colorectal Cancer AJCC v8",
        "Stage IV Colorectal Cancer AJCC v8",
        "Stage IVA Colorectal Cancer AJCC v8",
        "Stage IVB Colorectal Cancer AJCC v8",
        "Stage IVC Colorectal Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "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": 29,
      "start_date": "2014-02-06",
      "completion_date": "2020-05-28",
      "has_results": false,
      "last_update_posted_date": "2021-11-18",
      "last_synced_at": "2026-10-17T12:42:14.217Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03563651"
    },
    {
      "nct_id": "NCT06046651",
      "title": "Blood Specimen Collection For Laboratory Assay Research",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "General; Metabolic Disorder",
        "Sexual Dysfunction",
        "Hair Loss",
        "Pathology"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Roman Health Ventures Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10000,
      "start_date": "2023-08-16",
      "completion_date": "2033-08-15",
      "has_results": false,
      "last_update_posted_date": "2026-08-13",
      "last_synced_at": "2026-10-17T12:42:14.217Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06046651"
    },
    {
      "nct_id": "NCT00225745",
      "title": "Ghrelin Levels in Pancreatic Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Dartmouth-Hitchcock Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2004-04",
      "completion_date": "2015-09",
      "has_results": false,
      "last_update_posted_date": "2015-10-14",
      "last_synced_at": "2026-10-17T12:42:14.217Z",
      "location_count": 1,
      "location_summary": "Lebanon, New Hampshire",
      "locations": [
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00225745"
    },
    {
      "nct_id": "NCT02735512",
      "title": "MDSC Clinical Assay in Finding and Monitoring Cancer Cells in Blood and Urine Samples From Patients With or Without Localized or Metastatic Bladder Cancer",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "No Evidence of Disease",
        "Stage II Bladder Cancer",
        "Stage III Bladder Cancer",
        "Stage IVA Bladder Cancer",
        "Stage IVB Bladder Cancer"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 10,
      "start_date": "2016-03-01",
      "completion_date": "2022-04-13",
      "has_results": false,
      "last_update_posted_date": "2022-08-10",
      "last_synced_at": "2026-10-17T12:42:14.217Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02735512"
    },
    {
      "nct_id": "NCT03951428",
      "title": "Screening of Cancer Through Novel Female Specific Biomarkers",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Menstrual Blood Screening Test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "LifeStory Health Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 60,
      "start_date": "2019-05-15",
      "completion_date": "2019-12-31",
      "has_results": false,
      "last_update_posted_date": "2019-05-15",
      "last_synced_at": "2026-10-17T12:42:14.217Z",
      "location_count": 1,
      "location_summary": "Temple, Texas",
      "locations": [
        {
          "city": "Temple",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03951428"
    },
    {
      "nct_id": "NCT06410248",
      "title": "Triapine in Combination With Temozolomide for the Treatment of Patients With Recurrent Glioblastoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Recurrent Glioblastoma, IDH-Wildtype",
        "Recurrent WHO Grade 2 Glioma",
        "Recurrent WHO Grade 3 Glioma",
        "Recurrent WHO Grade 4 Glioma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Resection",
          "type": "PROCEDURE"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        },
        {
          "name": "Triapine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2024-07-23",
      "completion_date": "2030-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-10-17T12:42:14.217Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06410248"
    },
    {
      "nct_id": "NCT01810458",
      "title": "Liver Fibrosis in Alpha-1 Antitrypsin Deficiency (Liver AATD)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Liver Fibrosis",
        "Alpha-1 Antitrypsin Deficiency",
        "AAT Deficiency",
        "AATD"
      ],
      "interventions": [
        {
          "name": "Abdominal ultrasound",
          "type": "DEVICE"
        },
        {
          "name": "History and physical",
          "type": "PROCEDURE"
        },
        {
          "name": "Intravenous catheter",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Liver questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Liver Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Midazolam",
          "type": "DRUG"
        },
        {
          "name": "Fentanyl",
          "type": "DRUG"
        },
        {
          "name": "Lidocaine",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Lorazepam",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone/Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Ondansetron",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 109,
      "start_date": "2013-10",
      "completion_date": "2019-09",
      "has_results": false,
      "last_update_posted_date": "2023-08-21",
      "last_synced_at": "2026-10-17T12:42:14.217Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01810458"
    },
    {
      "nct_id": "NCT04577755",
      "title": "Pomalidomide Treatment in Patients With Kaposi Sarcoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Skin Kaposi Sarcoma"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Pomalidomide",
          "type": "DRUG"
        },
        {
          "name": "X-Ray Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "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": 45,
      "start_date": "2022-03-18",
      "completion_date": "2027-02-04",
      "has_results": false,
      "last_update_posted_date": "2026-09-28",
      "last_synced_at": "2026-10-17T12:42:14.217Z",
      "location_count": 15,
      "location_summary": "La Jolla, California • Miami, Florida • Chicago, Illinois + 9 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04577755"
    },
    {
      "nct_id": "NCT00151385",
      "title": "Study Evaluating Inhibitor Specificity in Hemophilia A",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hemophilia A"
      ],
      "interventions": [
        {
          "name": "single blood draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Wyeth is now a wholly owned subsidiary of Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 0,
      "start_date": "2005-11",
      "completion_date": "2007-10",
      "has_results": false,
      "last_update_posted_date": "2012-06-28",
      "last_synced_at": "2026-10-17T12:42:14.217Z",
      "location_count": 7,
      "location_summary": "Atlanta, Georgia • Detroit, Michigan • New Hyde Park, New York + 4 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "New Hyde Park",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00151385"
    }
  ]
}