{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Peripheral+blood+draws&page=16",
    "query": {
      "intervention": "Peripheral blood draws",
      "page": 16
    },
    "page_size": 10
  },
  "pagination": {
    "page": 16,
    "page_size": 10,
    "total_count": 439,
    "total_pages": 44,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Peripheral+blood+draws&page=17&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Peripheral+blood+draws&page=15&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-14T09:36:46.184Z",
  "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": "NCT04273893",
      "title": "Lymphocyte Depletion and Change in Lymphocyte Functionality",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lymphocyte Depletion"
      ],
      "interventions": [
        {
          "name": "SBRT with additional treatment planning dose optimization",
          "type": "RADIATION"
        },
        {
          "name": "SBRT with standard of care planning only",
          "type": "RADIATION"
        },
        {
          "name": "Blood Draws",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 55,
      "start_date": "2020-02-12",
      "completion_date": "2025-06-01",
      "has_results": true,
      "last_update_posted_date": "2024-12-10",
      "last_synced_at": "2026-10-14T09:36:46.184Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04273893"
    },
    {
      "nct_id": "NCT06524674",
      "title": "Clinical Study to Compare the Effect of an Oral Rehydration Solution on the Rate of Absorption of Functional Ingredients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Absorption",
        "Pharmacokinetic"
      ],
      "interventions": [
        {
          "name": "Hydration Multiplier + Energy",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Hydration Multiplier + Sleep",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Energy Comp",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Sleep Comp",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Liquid I.V.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 37,
      "start_date": "2023-10-01",
      "completion_date": "2024-05-31",
      "has_results": false,
      "last_update_posted_date": "2024-07-29",
      "last_synced_at": "2026-10-14T09:36:46.184Z",
      "location_count": 1,
      "location_summary": "Raritan, New Jersey",
      "locations": [
        {
          "city": "Raritan",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06524674"
    },
    {
      "nct_id": "NCT04036500",
      "title": "Transgender Estradiol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Transgender Persons"
      ],
      "interventions": [
        {
          "name": "Estradiol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Medical College of Wisconsin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2019-09-23",
      "completion_date": "2020-07-13",
      "has_results": true,
      "last_update_posted_date": "2025-04-11",
      "last_synced_at": "2026-10-14T09:36:46.184Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04036500"
    },
    {
      "nct_id": "NCT00133900",
      "title": "Circulating Tumor Cells and Survival in Hormone Refractory Prostate Cancer (HRPC) Patients Receiving Chemotherapy",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hormone Refractory Prostate Cancer",
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Phlebotomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Immunicon",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 276,
      "start_date": "2004-12",
      "completion_date": "2009-02",
      "has_results": false,
      "last_update_posted_date": "2009-07-28",
      "last_synced_at": "2026-10-14T09:36:46.184Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00133900"
    },
    {
      "nct_id": "NCT03432806",
      "title": "A Study of Imaging, Blood, and Tissue Samples to Guide Treatment of Colon Cancer and Related Liver Tumors",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colon Cancer",
        "Liver Tumors"
      ],
      "interventions": [
        {
          "name": "blood draws",
          "type": "OTHER"
        },
        {
          "name": "colectomy or hepatectomy",
          "type": "PROCEDURE"
        },
        {
          "name": "Fibroscan test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Memorial Sloan Kettering 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": 80,
      "start_date": "2017-11-28",
      "completion_date": "2028-11",
      "has_results": false,
      "last_update_posted_date": "2026-10-13",
      "last_synced_at": "2026-10-14T09:36:46.184Z",
      "location_count": 4,
      "location_summary": "Basking Ridge, New Jersey • Commack, New York • Harrison, New York + 1 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03432806"
    },
    {
      "nct_id": "NCT06009276",
      "title": "Associations Between the Microbiome, Skeletal Muscle Perfusion, and Fitness Status",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure, Systolic",
        "Heart Failure, Diastolic",
        "Peripheral Arterial Disease",
        "Overweight and Obesity"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2023-08-30",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-12-24",
      "last_synced_at": "2026-10-14T09:36:46.184Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06009276"
    },
    {
      "nct_id": "NCT03665155",
      "title": "First-in- Human Imaging of Multiple Myeloma Using 89Zr-DFO-daratumumab, a CD38-targeting Monoclonal Antibody",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "89Zr-daratumumab",
          "type": "DRUG"
        },
        {
          "name": "PET/CT scans",
          "type": "DEVICE"
        },
        {
          "name": "Blood draws",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2018-09-05",
      "completion_date": "2020-04-20",
      "has_results": true,
      "last_update_posted_date": "2021-07-30",
      "last_synced_at": "2026-10-14T09:36:46.184Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03665155"
    },
    {
      "nct_id": "NCT01688323",
      "title": "Finding Predictors of Side Effects to Chemoradiation Treatment in Elderly Patients With Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Collect Blood and Survey Instruments",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2012-07",
      "completion_date": "2016-05",
      "has_results": false,
      "last_update_posted_date": "2017-09-12",
      "last_synced_at": "2026-10-14T09:36:46.184Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01688323"
    },
    {
      "nct_id": "NCT02853448",
      "title": "Evaluation of a Device That Separates Blood Cells From Serum/Plasma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Plasma Extraction"
      ],
      "interventions": [
        {
          "name": "Novel Blood Drawing Apparatus",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston University",
      "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": 18,
      "start_date": "2016-01",
      "completion_date": "2022-06-20",
      "has_results": false,
      "last_update_posted_date": "2023-01-09",
      "last_synced_at": "2026-10-14T09:36:46.184Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02853448"
    },
    {
      "nct_id": "NCT03132168",
      "title": "Postoperative Delirium in Patients Undergoing Radical Cystectomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-operative Delirium"
      ],
      "interventions": [
        {
          "name": "Assessments",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Blood Draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Standardized Anesthetic Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Ohio State University",
      "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": "2018-01-10",
      "completion_date": "2021-01-31",
      "has_results": false,
      "last_update_posted_date": "2021-08-27",
      "last_synced_at": "2026-10-14T09:36:46.184Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03132168"
    }
  ]
}