{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Peripheral+blood+draws&page=4",
    "query": {
      "intervention": "Peripheral blood draws",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 438,
    "total_pages": 44,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Peripheral+blood+draws&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Peripheral+blood+draws&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T22:43:26.017Z",
  "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": "NCT03081390",
      "title": "Migraine and CVD Risk in Women",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Migraine"
      ],
      "interventions": [
        {
          "name": "Mixed meal tolerance testing",
          "type": "OTHER"
        },
        {
          "name": "Skin conductance & cold pressor test",
          "type": "OTHER"
        },
        {
          "name": "Flow-mediated dilation testing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 30,
      "start_date": "2017-04-01",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-09-08",
      "last_synced_at": "2026-10-04T22:43:26.017Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03081390"
    },
    {
      "nct_id": "NCT02497534",
      "title": "Biomarkers in Friedreich's Ataxia",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Friedreich's Ataxia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "6 Years to 70 Years"
      },
      "enrollment_count": 203,
      "start_date": "2015-09",
      "completion_date": "2030-06-03",
      "has_results": false,
      "last_update_posted_date": "2025-09-23",
      "last_synced_at": "2026-10-04T22:43:26.017Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02497534"
    },
    {
      "nct_id": "NCT07249775",
      "title": "A First-in-Human Study of FID-022 in Solid Tumor Patients",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreatic Cancer",
        "Cancer Cachexia"
      ],
      "interventions": [
        {
          "name": "Baseline Lifestyle and Symptom Assessment",
          "type": "OTHER"
        },
        {
          "name": "Extended Lifestyle Monitoring",
          "type": "OTHER"
        },
        {
          "name": "Feasibility Survey",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2025-10-08",
      "completion_date": "2026-10",
      "has_results": false,
      "last_update_posted_date": "2026-01-28",
      "last_synced_at": "2026-10-04T22:43:26.017Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07249775"
    },
    {
      "nct_id": "NCT07296107",
      "title": "In Vitro Fertilization (IVF) and Prenatal Effects Independent of Genetics",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Maternal Distress",
        "Child Development"
      ],
      "interventions": [
        {
          "name": "Prenatal maternal psychosocial and biological assessment protocol",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 360,
      "start_date": "2026-05-08",
      "completion_date": "2030-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-07",
      "last_synced_at": "2026-10-04T22:43:26.017Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07296107"
    },
    {
      "nct_id": "NCT02150746",
      "title": "Circulating Tumor Cells in Operative Blood",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Carcinoma, Pancreatic Ductal"
      ],
      "interventions": [
        {
          "name": "Peripheral/Central Venous Blood Draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Peritoneal Wash",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 3,
      "start_date": "2015-02",
      "completion_date": "2016-02",
      "has_results": false,
      "last_update_posted_date": "2016-02-23",
      "last_synced_at": "2026-10-04T22:43:26.017Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02150746"
    },
    {
      "nct_id": "NCT01269593",
      "title": "PET Imaging of Cancer Patients Using 124I-PUH71: A Pilot Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Non-Hodgkin's Lymphoma",
        "Myeloma",
        "Active Solid Malignancy"
      ],
      "interventions": [
        {
          "name": "PET Imaging using 124 IPUH71",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 63,
      "start_date": "2010-12",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-01-15",
      "last_synced_at": "2026-10-04T22:43:26.017Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01269593"
    },
    {
      "nct_id": "NCT06674811",
      "title": "Biomarkers of Resiliency In Childhood Cancer Surgery",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pediatric Cancer",
        "Neuroblastoma",
        "Sarcoma",
        "Wilms Tumor and Other Childhood Kidney Tumors",
        "Childhood Soft Tissue Sarcoma",
        "Childhood Bone Sarcoma",
        "Childhood Malignant Intestinal Neoplasm",
        "Childhood Malignant Liver Neoplasm",
        "Childhood Malignant Lung Neoplasm",
        "Childhood Malignant Ovarian Neoplasm",
        "Childhood Malignant Pleural Neoplasm",
        "Childhood Neuroblastic Tumor",
        "Childhood Sarcoma"
      ],
      "interventions": [
        {
          "name": "Wearing Smartwatch",
          "type": "OTHER"
        },
        {
          "name": "Patient Report Outcomes",
          "type": "OTHER"
        },
        {
          "name": "Blood Draw",
          "type": "OTHER"
        },
        {
          "name": "Clinical Data Review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "3 Years to 25 Years"
      },
      "enrollment_count": 40,
      "start_date": "2025-01-15",
      "completion_date": "2030-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-10-04T22:43:26.017Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06674811"
    },
    {
      "nct_id": "NCT04463030",
      "title": "Antioxidant Bioavailability",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pharmacokinetics"
      ],
      "interventions": [
        {
          "name": "Liposomal vitamin C, 1 gram",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Liposomal vitamin C, 2 grams",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Liposomal vitamin C, 5 grams",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Natural Immune Systems Inc",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 24,
      "start_date": "2020-07-01",
      "completion_date": "2023-06-25",
      "has_results": false,
      "last_update_posted_date": "2022-09-27",
      "last_synced_at": "2026-10-04T22:43:26.017Z",
      "location_count": 1,
      "location_summary": "Klamath Falls, Oregon",
      "locations": [
        {
          "city": "Klamath Falls",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04463030"
    },
    {
      "nct_id": "NCT00484172",
      "title": "Genomic Search for Childhood Obesity Genes-A Pilot Study",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "blood draws",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Children's Mercy Hospital Kansas City",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "8 Years",
        "sex": "ALL",
        "summary": "2 Years to 8 Years"
      },
      "enrollment_count": 0,
      "start_date": "2007-06",
      "completion_date": "2008-06",
      "has_results": false,
      "last_update_posted_date": "2021-01-06",
      "last_synced_at": "2026-10-04T22:43:26.017Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00484172"
    },
    {
      "nct_id": "NCT00734136",
      "title": "Role Of Angiogenic Factors In The Development Of Hepatorenal Syndrome",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hepatorenal Syndrome",
        "Renal Failure",
        "Liver Diseases"
      ],
      "interventions": [
        {
          "name": "Blood Draws and a hepatectomy specimen",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood draw - pre operative standard of care",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Lahey Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2005-05",
      "completion_date": "2009-02",
      "has_results": false,
      "last_update_posted_date": "2009-02-18",
      "last_synced_at": "2026-10-04T22:43:26.017Z",
      "location_count": 1,
      "location_summary": "Burlington, Massachusetts",
      "locations": [
        {
          "city": "Burlington",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00734136"
    }
  ]
}