{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Venipuncture&page=46",
    "query": {
      "intervention": "Venipuncture",
      "page": 46
    },
    "page_size": 10
  },
  "pagination": {
    "page": 46,
    "page_size": 10,
    "total_count": 1532,
    "total_pages": 154,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Venipuncture&page=47&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Venipuncture&page=45&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-27T12:32:40.775Z",
  "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": "NCT04445025",
      "title": "Comparison Elagolix vs Depot Leuprolide Prior to Frozen Embryo Transfers in Patients With Endometriosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Infertility",
        "Endometriosis"
      ],
      "interventions": [
        {
          "name": "Elagolix 200 MG",
          "type": "DRUG"
        },
        {
          "name": "Leuprolide Acetate 3.75 MG/ML",
          "type": "DRUG"
        },
        {
          "name": "Lab work",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Colorado Center for Reproductive Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "42 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 42 Years · Female only"
      },
      "enrollment_count": 30,
      "start_date": "2020-09-01",
      "completion_date": "2024-12-30",
      "has_results": false,
      "last_update_posted_date": "2025-02-20",
      "last_synced_at": "2026-10-27T12:32:40.775Z",
      "location_count": 1,
      "location_summary": "Lone Tree, Colorado",
      "locations": [
        {
          "city": "Lone Tree",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04445025"
    },
    {
      "nct_id": "NCT06567860",
      "title": "Characterizing Late-season Influenza Vaccine Responses to Compare the 2023 and 2024 Vaccine Formulations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza A"
      ],
      "interventions": [
        {
          "name": "Influenza Fluzone vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "La Jolla Institute for Immunology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 23,
      "start_date": "2024-05-21",
      "completion_date": "2025-02-06",
      "has_results": true,
      "last_update_posted_date": "2026-02-12",
      "last_synced_at": "2026-10-27T12:32:40.775Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06567860"
    },
    {
      "nct_id": "NCT03471182",
      "title": "Investigation of Cocaine Addiction Using mGluR5 PET and fMRI",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cocaine Dependence"
      ],
      "interventions": [
        {
          "name": "Psychiatric and Cognitive Testing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cocaine Self-adminstration",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "RADIATION"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "Yale University",
      "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": 32,
      "start_date": "2018-02-26",
      "completion_date": "2022-08-18",
      "has_results": true,
      "last_update_posted_date": "2024-02-29",
      "last_synced_at": "2026-10-27T12:32:40.775Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03471182"
    },
    {
      "nct_id": "NCT03522779",
      "title": "Antioxidant Responses to Exercise and Cherry Consumption",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dietary Modification"
      ],
      "interventions": [
        {
          "name": "Tart cherry Juice",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "High-fat meal",
          "type": "OTHER"
        },
        {
          "name": "Exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of Georgia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "MALE",
        "summary": "18 Years to 30 Years · Male only"
      },
      "enrollment_count": 13,
      "start_date": "2016-11",
      "completion_date": "2017-07-01",
      "has_results": false,
      "last_update_posted_date": "2018-05-11",
      "last_synced_at": "2026-10-27T12:32:40.775Z",
      "location_count": 1,
      "location_summary": "Athens, Georgia",
      "locations": [
        {
          "city": "Athens",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03522779"
    },
    {
      "nct_id": "NCT04969913",
      "title": "Community Dynamics of Malaria Transmission in Humans and Mosquitoes at Maferinyah Sub-Prefecture, Guinea",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Malaria"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Months and older"
      },
      "enrollment_count": 400,
      "start_date": "2022-03-07",
      "completion_date": "2024-10-23",
      "has_results": false,
      "last_update_posted_date": "2024-10-24",
      "last_synced_at": "2026-10-27T12:32:40.775Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04969913"
    },
    {
      "nct_id": "NCT02690285",
      "title": "A Pilot Study of Rapid Haplotyping Procedure for Personalized Dosing of Dichloroacetate (DCA) in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Dichloroacetate (DCA)",
          "type": "DRUG"
        },
        {
          "name": "GSTZ1 haplotyping",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "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": 45,
      "start_date": "2016-03-01",
      "completion_date": "2017-11-01",
      "has_results": false,
      "last_update_posted_date": "2018-12-31",
      "last_synced_at": "2026-10-27T12:32:40.775Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02690285"
    },
    {
      "nct_id": "NCT01794676",
      "title": "Genetic Evaluation of Families With Endocrine Cancers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreatic Cancer",
        "Thymic Cancer",
        "Parathyroid Disease",
        "MEN1 Syndrome"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Jersey Shore University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2013-03",
      "completion_date": "2015-10",
      "has_results": false,
      "last_update_posted_date": "2017-06-16",
      "last_synced_at": "2026-10-27T12:32:40.775Z",
      "location_count": 1,
      "location_summary": "Neptune City, New Jersey",
      "locations": [
        {
          "city": "Neptune City",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01794676"
    },
    {
      "nct_id": "NCT04146376",
      "title": "Von Willebrand Factor in Pregnancy (VIP) Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Von Willebrand Diseases"
      ],
      "interventions": [
        {
          "name": "Use of a postpartum diary and additional blood draws.",
          "type": "OTHER"
        },
        {
          "name": "VWF replacement therapy with Wilate",
          "type": "DRUG"
        },
        {
          "name": "Tranexamic acid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "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": 110,
      "start_date": "2019-10-12",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-12-18",
      "last_synced_at": "2026-10-27T12:32:40.775Z",
      "location_count": 11,
      "location_summary": "Aurora, Colorado • New Haven, Connecticut • Miami, Florida + 8 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04146376"
    },
    {
      "nct_id": "NCT00806650",
      "title": "Anti-IMP3 Autoantibody and MicroRNA Signature Blood Tests in Finding Metastasis in Patients With Localized or Metastatic Kidney Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Kidney Cancer"
      ],
      "interventions": [
        {
          "name": "gene expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "protein expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "diagnostic laboratory biomarker analysis",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "immunoenzyme technique",
          "type": "OTHER"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 155,
      "start_date": "2008-07",
      "completion_date": "2017-11-15",
      "has_results": false,
      "last_update_posted_date": "2017-12-08",
      "last_synced_at": "2026-10-27T12:32:40.775Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00806650"
    },
    {
      "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": "2026-10-27T12:32:40.775Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02150746"
    }
  ]
}