{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Venipuncture&page=58",
    "query": {
      "intervention": "Venipuncture",
      "page": 58
    },
    "page_size": 10
  },
  "pagination": {
    "page": 58,
    "page_size": 10,
    "total_count": 1533,
    "total_pages": 154,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Venipuncture&page=59&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Venipuncture&page=57&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-31T06:50:55.767Z",
  "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": "NCT00987831",
      "title": "Biomarkers of Lupus Disease: Serial Biomarker Sampling in Patients With Active Systemic Lupus Erythematosus (SLE)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Systemic Lupus Erythematosus"
      ],
      "interventions": [
        {
          "name": "Group B SLE one blood donation",
          "type": "OTHER"
        },
        {
          "name": "Blood drawing only Group C",
          "type": "OTHER"
        },
        {
          "name": "Group A SLE prospective study",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Oklahoma Medical Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "14 Years to 70 Years"
      },
      "enrollment_count": 158,
      "start_date": "2009-05",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2014-10-20",
      "last_synced_at": "2026-10-31T06:50:55.767Z",
      "location_count": 2,
      "location_summary": "Oklahoma City, Oklahoma • Collegeville, Pennsylvania",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        },
        {
          "city": "Collegeville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00987831"
    },
    {
      "nct_id": "NCT00151385",
      "title": "Study Evaluating Inhibitor Specificity in Hemophilia A",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hemophilia A"
      ],
      "interventions": [
        {
          "name": "single blood draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Wyeth is now a wholly owned subsidiary of Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 0,
      "start_date": "2005-11",
      "completion_date": "2007-10",
      "has_results": false,
      "last_update_posted_date": "2012-06-28",
      "last_synced_at": "2026-10-31T06:50:55.767Z",
      "location_count": 7,
      "location_summary": "Atlanta, Georgia • Detroit, Michigan • New Hyde Park, New York + 4 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "New Hyde Park",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00151385"
    },
    {
      "nct_id": "NCT01958515",
      "title": "Immunologic Responses in HPV-Associated Carcinoma for Patients Receiving Chemoradiation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Head and Neck Cancer",
        "HPV (Human Papillomavirus)-Associated Carcinoma",
        "Oropharyngeal"
      ],
      "interventions": [
        {
          "name": "research blood draw and tissue biopsy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 20,
      "start_date": "2015-01-07",
      "completion_date": "2017-03-15",
      "has_results": false,
      "last_update_posted_date": "2018-11-06",
      "last_synced_at": "2026-10-31T06:50:55.767Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01958515"
    },
    {
      "nct_id": "NCT02630615",
      "title": "Circulating Tumor Cells (CTC) in Lung Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Neoplasms"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Shadia Jalal",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 71,
      "start_date": "2017-10-19",
      "completion_date": "2027-07",
      "has_results": false,
      "last_update_posted_date": "2026-10-27",
      "last_synced_at": "2026-10-31T06:50:55.767Z",
      "location_count": 2,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02630615"
    },
    {
      "nct_id": "NCT07270666",
      "title": "ctDNA Testing to Inform Standard-of-Care Treatment Decisions in People With Endometrial Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Endometrial Cancer"
      ],
      "interventions": [
        {
          "name": "ctDNA Testing",
          "type": "GENETIC"
        },
        {
          "name": "Blood draw",
          "type": "OTHER"
        },
        {
          "name": "Surveys",
          "type": "OTHER"
        },
        {
          "name": "Semi-structured interviews",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "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": 30,
      "start_date": "2025-11-25",
      "completion_date": "2027-11",
      "has_results": false,
      "last_update_posted_date": "2026-09-25",
      "last_synced_at": "2026-10-31T06:50:55.767Z",
      "location_count": 7,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07270666"
    },
    {
      "nct_id": "NCT05635266",
      "title": "Tissue Repository Providing Annotated Biospecimens for Approved Investigator-directed Biomedical Research Initiatives",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Age-Related Macular Degeneration",
        "Allergies",
        "Alpha-Gal Syndrome",
        "Alzheimer Disease",
        "Amyloidosis",
        "Ankylosing Spondylitis",
        "Arthritis",
        "Alopecia Areata",
        "Asthma",
        "Atopic Dermatitis",
        "Autism",
        "Autoimmune Hepatitis",
        "Behcet's Disease",
        "Beta-Thalassemia",
        "Cancer",
        "Celiac Disease",
        "Kidney Diseases",
        "COPD",
        "Crohn Disease",
        "Cystic Fibrosis",
        "Diabetes",
        "Dravet Syndrome",
        "DMD",
        "Fibromyalgia",
        "Graves Disease",
        "Thyroid Diseases",
        "Hepatitis",
        "Hidradenitis Suppurativa",
        "ITP",
        "Leukemia",
        "ALS",
        "Lupus or SLE",
        "Lymphoma",
        "Multiple Sclerosis",
        "Myasthenia Gravis",
        "Heart Diseases",
        "Parkinson Disease",
        "Pemphigus Vulgaris",
        "Cirrhosis",
        "Psoriasis",
        "Schizophrenia",
        "Scleroderma",
        "Sickle Cell Disease",
        "Stroke",
        "Ulcerative Colitis",
        "Vasculitis",
        "Vitiligo"
      ],
      "interventions": [
        {
          "name": "Specimen sample",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Sanguine Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 20000,
      "start_date": "2021-10-26",
      "completion_date": "2025-10",
      "has_results": false,
      "last_update_posted_date": "2024-05-07",
      "last_synced_at": "2026-10-31T06:50:55.767Z",
      "location_count": 1,
      "location_summary": "Waltham, Massachusetts",
      "locations": [
        {
          "city": "Waltham",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05635266"
    },
    {
      "nct_id": "NCT04955366",
      "title": "Abatacept Conversion in Kidney Transplantation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Renal Transplant Recipient"
      ],
      "interventions": [
        {
          "name": "Belatacept",
          "type": "DRUG"
        },
        {
          "name": "Abatacept",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 87,
      "start_date": "2021-09-22",
      "completion_date": "2026-06-10",
      "has_results": false,
      "last_update_posted_date": "2026-09-16",
      "last_synced_at": "2026-10-31T06:50:55.767Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04955366"
    },
    {
      "nct_id": "NCT03991637",
      "title": "Non-Invasive Blood Test Cross-Validation Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Reproducibility of Results",
        "Safety Issues"
      ],
      "interventions": [
        {
          "name": "Non-Invasive Comprehensive Metabolic Panel",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Joseph Allen Jr.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2018-07-18",
      "completion_date": "2019-03-01",
      "has_results": false,
      "last_update_posted_date": "2019-06-24",
      "last_synced_at": "2026-10-31T06:50:55.767Z",
      "location_count": 1,
      "location_summary": "Grand Forks, North Dakota",
      "locations": [
        {
          "city": "Grand Forks",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03991637"
    },
    {
      "nct_id": "NCT00718042",
      "title": "Evaluation of Chagas Blood Screening and Confirmatory Assays",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "ABBOTT PRISM Chagas Assay and Chagas Confirmatory Assay",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Abbott Diagnostics Division",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 41862,
      "start_date": "2008-06",
      "completion_date": "2009-09",
      "has_results": true,
      "last_update_posted_date": "2012-03-07",
      "last_synced_at": "2026-10-31T06:50:55.767Z",
      "location_count": 7,
      "location_summary": "Lakeland, Florida • St. Petersburg, Florida • Glenview, Illinois + 4 more",
      "locations": [
        {
          "city": "Lakeland",
          "state": "Florida"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        },
        {
          "city": "Glenview",
          "state": "Illinois"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00718042"
    },
    {
      "nct_id": "NCT01546324",
      "title": "Collection of Maternal Blood Samples for Development of Non-invasive Prenatal Diagnostic Testing",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pregnancy Following IVF With PGS/PGD"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Natera, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 16,
      "start_date": "2012-02",
      "completion_date": "2013-08",
      "has_results": false,
      "last_update_posted_date": "2013-08-12",
      "last_synced_at": "2026-10-31T06:50:55.767Z",
      "location_count": 1,
      "location_summary": "Redwood City, California",
      "locations": [
        {
          "city": "Redwood City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01546324"
    }
  ]
}