{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+draw+%28venipuncture%29&page=3",
    "query": {
      "intervention": "Blood draw (venipuncture)",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 1528,
    "total_pages": 153,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+draw+%28venipuncture%29&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+draw+%28venipuncture%29&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T06:39:14.283Z",
  "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": "NCT02895087",
      "title": "Study to Explore Natural Daily Variation and Impact of Stress in HIV Levels",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HIV"
      ],
      "interventions": [
        {
          "name": "Diurnal Variation Group",
          "type": "OTHER"
        },
        {
          "name": "External Stress Group",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Melbourne",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "25 Years to 55 Years · Male only"
      },
      "enrollment_count": 40,
      "start_date": "2015-03",
      "completion_date": "2018-01",
      "has_results": false,
      "last_update_posted_date": "2021-11-04",
      "last_synced_at": "2026-10-07T06:39:14.283Z",
      "location_count": 2,
      "location_summary": "San Francisco, California • Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02895087"
    },
    {
      "nct_id": "NCT05737693",
      "title": "Enhancing Week-long Psychological Treatment for PTSD With Ketamine",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Posttraumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "Ketamine",
          "type": "DRUG"
        },
        {
          "name": "Midazolam",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "21 Years to 70 Years"
      },
      "enrollment_count": 350,
      "start_date": "2023-08-21",
      "completion_date": "2031-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-24",
      "last_synced_at": "2026-10-07T06:39:14.283Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05737693"
    },
    {
      "nct_id": "NCT04991142",
      "title": "Models of Nutrition From Continuous Glucose Monitors",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetes Mellitus, Type 2",
        "Pre-diabetes",
        "Diet Habit",
        "Diet, Healthy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Texas A&M University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2021-09-17",
      "completion_date": "2024-08-01",
      "has_results": false,
      "last_update_posted_date": "2024-08-21",
      "last_synced_at": "2026-10-07T06:39:14.283Z",
      "location_count": 2,
      "location_summary": "Santa Barbara, California • College Station, Texas",
      "locations": [
        {
          "city": "Santa Barbara",
          "state": "California"
        },
        {
          "city": "College Station",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04991142"
    },
    {
      "nct_id": "NCT05505669",
      "title": "Circulating Biomarkers in the Development of Type 1 Diabetes",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetes"
      ],
      "interventions": [
        {
          "name": "One-time blood (up to 100 ml) will be drawn and the amount of blood drawn is based on weight. Saliva and urine will be collected during the blood draw visit.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 165,
      "start_date": "2022-03-29",
      "completion_date": "2029-06-21",
      "has_results": false,
      "last_update_posted_date": "2026-06-24",
      "last_synced_at": "2026-10-07T06:39:14.283Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05505669"
    },
    {
      "nct_id": "NCT06932237",
      "title": "Immune-mediated Pathogenic Mechanisms of Neuro-PASC in Veterans",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neuro-PASC",
        "Long COVID"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 200,
      "start_date": "2025-02-20",
      "completion_date": "2028-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-31",
      "last_synced_at": "2026-10-07T06:39:14.283Z",
      "location_count": 2,
      "location_summary": "Portland, Oregon • Mountain Home, Tennessee",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Mountain Home",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06932237"
    },
    {
      "nct_id": "NCT06409169",
      "title": "DBS TaT in Peer-assisted Telemedicine for Hepatitis C",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "DBS TaT",
          "type": "OTHER"
        },
        {
          "name": "Usual Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 141,
      "start_date": "2025-01-22",
      "completion_date": "2026-11-08",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-10-07T06:39:14.283Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06409169"
    },
    {
      "nct_id": "NCT00737321",
      "title": "Mechanisms Regulating Wound Vascularization",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Wounds and Injuries"
      ],
      "interventions": [
        {
          "name": "Samples will be collected",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Gayle Gordillo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "69 Years",
        "sex": "ALL",
        "summary": "18 Years to 69 Years"
      },
      "enrollment_count": 36,
      "start_date": "2008-08",
      "completion_date": "2018-12",
      "has_results": false,
      "last_update_posted_date": "2021-12-01",
      "last_synced_at": "2026-10-07T06:39:14.283Z",
      "location_count": 2,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00737321"
    },
    {
      "nct_id": "NCT04796584",
      "title": "Efficacy of COVID-19 Vaccination in Patients With Multiple Sclerosis Treated With Immune Modulating Medication",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Analysis of cell-mediated and antibody-mediated immunity to SARS-CoV-2 virus",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Providence Health & Services",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 20,
      "start_date": "2022-07-11",
      "completion_date": "2022-10-25",
      "has_results": false,
      "last_update_posted_date": "2023-04-03",
      "last_synced_at": "2026-10-07T06:39:14.283Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04796584"
    },
    {
      "nct_id": "NCT03689855",
      "title": "Ramucirumab and Atezolizumab After Progression on Any Immune Checkpoint Blocker in NSCLC",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Non-small Cell Lung Cancer",
        "Non Small Cell Lung Cancer",
        "NSCLC"
      ],
      "interventions": [
        {
          "name": "Ramucirumab",
          "type": "DRUG"
        },
        {
          "name": "Atezolizumab",
          "type": "DRUG"
        },
        {
          "name": "Peripheral blood draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "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": 21,
      "start_date": "2019-06-05",
      "completion_date": "2024-04-22",
      "has_results": true,
      "last_update_posted_date": "2024-07-30",
      "last_synced_at": "2026-10-07T06:39:14.283Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03689855"
    },
    {
      "nct_id": "NCT00909363",
      "title": "Thrombocytopenia and Bleeding in Wiskott-Aldrich Syndrome (WAS) Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Wiskott-Aldrich Syndrome",
        "Thrombocytopenia",
        "Bleeding"
      ],
      "interventions": [
        {
          "name": "Promacta",
          "type": "DRUG"
        },
        {
          "name": "blood drawing in patients with WAS",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "blood drawing in healthy controls",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Months",
        "maximum_age": "80 Years",
        "sex": "MALE",
        "summary": "3 Months to 80 Years · Male only"
      },
      "enrollment_count": 24,
      "start_date": "2009-06",
      "completion_date": "2017-06-30",
      "has_results": true,
      "last_update_posted_date": "2019-03-18",
      "last_synced_at": "2026-10-07T06:39:14.283Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00909363"
    }
  ]
}