{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sample+Collection+Blood&page=11",
    "query": {
      "intervention": "Sample Collection Blood",
      "page": 11
    },
    "page_size": 10
  },
  "pagination": {
    "page": 11,
    "page_size": 10,
    "total_count": 2810,
    "total_pages": 281,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sample+Collection+Blood&page=12&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sample+Collection+Blood&page=10&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T23:38:42.771Z",
  "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": "NCT06207864",
      "title": "Engagement of American Indians of Southwestern Tribal Nations in Cancer Genome Sequencing",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Malignant Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Return of Results",
          "type": "PROCEDURE"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "New Mexico Cancer Research Alliance",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1001,
      "start_date": "2022-03-22",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-11-13",
      "last_synced_at": "2026-10-19T23:38:42.771Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06207864"
    },
    {
      "nct_id": "NCT00835133",
      "title": "Collecting Blood and Tissue Samples From Family Members of Patients With Pancreatic Diseases, Pancreatic Cancer, and Melanoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Familial Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "biologic sample preservation procedure",
          "type": "OTHER"
        },
        {
          "name": "medical chart review",
          "type": "OTHER"
        },
        {
          "name": "survey administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 1122,
      "start_date": "2002-08-01",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-06",
      "last_synced_at": "2026-10-19T23:38:42.771Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00835133"
    },
    {
      "nct_id": "NCT06128525",
      "title": "Prostate Resection After Microwave Ablation (PRAMA)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Microwave Ablation",
          "type": "DEVICE"
        },
        {
          "name": "Multiparametric Magnetic Resonance Imaging",
          "type": "DEVICE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Radical Prostatectomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 1,
      "start_date": "2023-11-10",
      "completion_date": "2025-08-27",
      "has_results": true,
      "last_update_posted_date": "2025-11-28",
      "last_synced_at": "2026-10-19T23:38:42.771Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06128525"
    },
    {
      "nct_id": "NCT03921047",
      "title": "Characterization of T-cell Repertoire in Patients With Acute Myeloid Leukemia Undergoing Donor Stem Cell Transplant",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "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": 250,
      "start_date": "2018-04-12",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-03",
      "last_synced_at": "2026-10-19T23:38:42.771Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03921047"
    },
    {
      "nct_id": "NCT01025336",
      "title": "Study Evaluating Persistence Of Antibody Response Elicited By 13vPnC In Healthy Adults Previously Vaccinated",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 962,
      "start_date": "2009-12",
      "completion_date": "2010-10",
      "has_results": true,
      "last_update_posted_date": "2012-06-20",
      "last_synced_at": "2026-10-19T23:38:42.771Z",
      "location_count": 29,
      "location_summary": "Chandler, Arizona • Phoenix, Arizona • Denver, Colorado + 25 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Pinellas Park",
          "state": "Florida"
        },
        {
          "city": "Meridian",
          "state": "Idaho"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01025336"
    },
    {
      "nct_id": "NCT01264471",
      "title": "Mechanisms of Mitochondrial Defects in Gulf War Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Gulf War Syndrome",
        "Mitochondrial Disease"
      ],
      "interventions": [
        {
          "name": "Skin biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Medical Neurogenetics, LLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2009-05",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2015-04-13",
      "last_synced_at": "2026-10-19T23:38:42.771Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01264471"
    },
    {
      "nct_id": "NCT02889978",
      "title": "The Circulating Cell-free Genome Atlas Study",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neoplasms",
        "Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "GRAIL, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "20 Years and older"
      },
      "enrollment_count": 15254,
      "start_date": "2016-08-04",
      "completion_date": "2024-03",
      "has_results": false,
      "last_update_posted_date": "2023-09-13",
      "last_synced_at": "2026-10-19T23:38:42.771Z",
      "location_count": 139,
      "location_summary": "Daphne, Alabama • Mobile, Alabama • Phoenix, Arizona + 105 more",
      "locations": [
        {
          "city": "Daphne",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02889978"
    },
    {
      "nct_id": "NCT00516698",
      "title": "Changes in Breast Density and Blood Hormone Levels in Postmenopausal Women Receiving Anastrozole or Exemestane for Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "polymorphism analysis",
          "type": "GENETIC"
        },
        {
          "name": "high performance liquid chromatography",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "radiomammography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 140,
      "start_date": "2007-09",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2016-07-13",
      "last_synced_at": "2026-10-19T23:38:42.771Z",
      "location_count": 180,
      "location_summary": "Augusta, Georgia • Aurora, Illinois • Bloomington, Illinois + 111 more",
      "locations": [
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Aurora",
          "state": "Illinois"
        },
        {
          "city": "Bloomington",
          "state": "Illinois"
        },
        {
          "city": "Canton",
          "state": "Illinois"
        },
        {
          "city": "Carthage",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00516698"
    },
    {
      "nct_id": "NCT01364571",
      "title": "Evaluation of a Single Vaccination With One of Three Ascending Dose Levels of a 4-Antigen Staphylococcus Aureus Vaccine (SA4Ag) in Healthy Adults Aged 18 to <65 Years",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Staphylococcal Infections"
      ],
      "interventions": [
        {
          "name": "SA4Ag vaccine low dose",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Colonization swab sample",
          "type": "PROCEDURE"
        },
        {
          "name": "SA4Ag vaccine mid dose",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Blood sample",
          "type": "PROCEDURE"
        },
        {
          "name": "SA4Ag vaccine high dose",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 456,
      "start_date": "2011-08",
      "completion_date": "2013-01",
      "has_results": false,
      "last_update_posted_date": "2019-03-04",
      "last_synced_at": "2026-10-19T23:38:42.771Z",
      "location_count": 16,
      "location_summary": "Hollywood, Florida • South Miami, Florida • Overland Park, Kansas + 10 more",
      "locations": [
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "South Miami",
          "state": "Florida"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Bardstown",
          "state": "Kentucky"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01364571"
    },
    {
      "nct_id": "NCT07166406",
      "title": "Testing Immunotherapy With or Without Stereotactic Body Radiation Therapy in Patients With Advanced Liver Cancer, HELIO-RT Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Advanced Hepatocellular Carcinoma",
        "Stage III Hepatocellular Carcinoma AJCC v8",
        "Stage IV Hepatocellular Carcinoma AJCC v8"
      ],
      "interventions": [
        {
          "name": "Atezolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Bevacizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Durvalumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Tremelimumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "NRG Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 226,
      "start_date": "2026-02-26",
      "completion_date": "2034-03-10",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-10-19T23:38:42.771Z",
      "location_count": 138,
      "location_summary": "Berkeley, California • Cameron Park, California • Fremont, California + 108 more",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Cameron Park",
          "state": "California"
        },
        {
          "city": "Fremont",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Mountain View",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07166406"
    }
  ]
}