{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Venipuncture&page=4",
    "query": {
      "intervention": "Venipuncture",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 1532,
    "total_pages": 154,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Venipuncture&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Venipuncture&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T00:39:16.066Z",
  "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": "NCT00630721",
      "title": "Characterization of Interferon Beta -1b-Induced Tolerizing Effect in Dendritic Cells",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "IFNbeta-1b",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 56,
      "start_date": "2007-09",
      "completion_date": "2011-03-15",
      "has_results": false,
      "last_update_posted_date": "2018-10-18",
      "last_synced_at": "2026-10-21T00:39:16.066Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00630721"
    },
    {
      "nct_id": "NCT03897478",
      "title": "Biomarkers of Acute Stroke in Clinic",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ischemic Stroke",
        "Ischemia",
        "Atrial Fibrillation",
        "Transient Ischemic Attack",
        "Transient Cerebrovascular Events",
        "Thrombotic Stroke",
        "Stroke",
        "Stroke, Acute",
        "Stroke, Ischemic",
        "Stroke, Complication",
        "Stroke of Basilar Artery",
        "Atherosclerosis",
        "Atheroma",
        "Cardioembolic Stroke",
        "Cardiomyopathies",
        "Cardiovascular Stroke",
        "Thromboembolism"
      ],
      "interventions": [
        {
          "name": "ISCDX blood test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Ischemia Care LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 500,
      "start_date": "2019-04-01",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-09-28",
      "last_synced_at": "2026-10-21T00:39:16.066Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03897478"
    },
    {
      "nct_id": "NCT04198753",
      "title": "Skin Characteristics of Parents of Food Allergic Pediatric Patients",
      "overall_status": "SUSPENDED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Food Allergy in Children"
      ],
      "interventions": [
        {
          "name": "Skin tape stripping",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Skin barrier assessment",
          "type": "DEVICE"
        },
        {
          "name": "Blood draw",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DEVICE"
      ],
      "sponsor": "National Jewish Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 160,
      "start_date": "2020-01-23",
      "completion_date": "2020-10-06",
      "has_results": false,
      "last_update_posted_date": "2020-04-13",
      "last_synced_at": "2026-10-21T00:39:16.066Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04198753"
    },
    {
      "nct_id": "NCT06274164",
      "title": "Clinical and Molecular Biomarker Studies in RAI1 (Retinoic Acid-Induced 1) -Related Disorders",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "RAI1 Gene 17P11.2 Deletion+Duplication"
      ],
      "interventions": [
        {
          "name": "Electroencephalography/Polysomnography (EEG/PSG)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Skin Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood draw",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "PROCEDURE"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "1 Month to 80 Years"
      },
      "enrollment_count": 90,
      "start_date": "2024-03-13",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-06-03",
      "last_synced_at": "2026-10-21T00:39:16.066Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06274164"
    },
    {
      "nct_id": "NCT05880914",
      "title": "Precision Medicine Approaches to Renal Osteodystrophy",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Renal Osteodystrophy",
        "Chronic Kidney Diseases",
        "CKD-MBD",
        "Bone Turnover Rate Disorder",
        "Secondary Hyperparathyroidism"
      ],
      "interventions": [
        {
          "name": "miRNAseq analysis",
          "type": "PROCEDURE"
        },
        {
          "name": "Standard treatment for bone disorder",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Thomas Nickolas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2022-12-21",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-12",
      "last_synced_at": "2026-10-21T00:39:16.066Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05880914"
    },
    {
      "nct_id": "NCT03126370",
      "title": "Effects of Ledipasvir/Sofosbuvir on the Pharmacokinetics and Renal Safety of Tenofovir Alafenamide (TAF)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hepatitis C",
        "HIV Coinfection"
      ],
      "interventions": [
        {
          "name": "TDF with a boosted protease inhibitor",
          "type": "DRUG"
        },
        {
          "name": "TAF with a boosted protease inhibitor",
          "type": "DRUG"
        },
        {
          "name": "TAF with a boosted protease inhibitor and LDV/SOF",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "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": 10,
      "start_date": "2018-01-08",
      "completion_date": "2019-10-01",
      "has_results": true,
      "last_update_posted_date": "2021-02-11",
      "last_synced_at": "2026-10-21T00:39:16.066Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03126370"
    },
    {
      "nct_id": "NCT01765803",
      "title": "Feasibility of Thioridazine as a Mobilizing Agent for CD34+ Hematopoietic Progenitor Cells",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Healthy Subjects"
      ],
      "interventions": [
        {
          "name": "Mellaril",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New Mexico Cancer Research Alliance",
      "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": 6,
      "start_date": "2013-06",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2016-04-14",
      "last_synced_at": "2026-10-21T00:39:16.066Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01765803"
    },
    {
      "nct_id": "NCT00032357",
      "title": "Does the Reduction of Total Body Iron Storage (TBIS) Alter Mortality in a Population of Patients With Advanced PVD?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Atherosclerosis",
        "Intermittent Claudication",
        "Peripheral Vascular Diseases"
      ],
      "interventions": [
        {
          "name": "Ferritin reduction to 25 ng/ml by phlebotomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 1277,
      "start_date": "1999-05",
      "completion_date": "2005-09",
      "has_results": false,
      "last_update_posted_date": "2013-01-21",
      "last_synced_at": "2026-10-21T00:39:16.066Z",
      "location_count": 23,
      "location_summary": "Birmingham, Alabama • No. Little Rock, Arkansas • Long Beach, California + 20 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "No. Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "West Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00032357"
    },
    {
      "nct_id": "NCT03579862",
      "title": "Identification of Heritable CTEPH",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Thromboembolic Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Intermountain Health Care, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 260,
      "start_date": "2013-12-25",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-10-18",
      "last_synced_at": "2026-10-21T00:39:16.066Z",
      "location_count": 1,
      "location_summary": "Murray, Utah",
      "locations": [
        {
          "city": "Murray",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03579862"
    },
    {
      "nct_id": "NCT02344160",
      "title": "REDAPT Revision System Study to Assess 5 Year Revision Rate & up to 10 Year Revision Rate and Safety and Effectiveness",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Total Hip Arthroplasty (THA)"
      ],
      "interventions": [
        {
          "name": "Phlebotomy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Smith & Nephew, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2014-12",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2016-12-16",
      "last_synced_at": "2026-10-21T00:39:16.066Z",
      "location_count": 1,
      "location_summary": "Irvine, California",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02344160"
    }
  ]
}