{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Research+blood+draw&page=30",
    "query": {
      "intervention": "Research blood draw",
      "page": 30
    },
    "page_size": 10
  },
  "pagination": {
    "page": 30,
    "page_size": 10,
    "total_count": 1005,
    "total_pages": 101,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Research+blood+draw&page=31&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Research+blood+draw&page=29&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-15T12:25:41.045Z",
  "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": "NCT04074720",
      "title": "Prospective Breast Cancer Biospecimen Collection",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Invasive Breast Cancer",
        "Carcinoma in Situ of the Breast"
      ],
      "interventions": [
        {
          "name": "Tissue Sample collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood Sample Collection",
          "type": "OTHER"
        },
        {
          "name": "Rectal Swab",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2018-05-10",
      "completion_date": "2028-07-01",
      "has_results": false,
      "last_update_posted_date": "2025-12-03",
      "last_synced_at": "2026-10-15T12:25:41.045Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04074720"
    },
    {
      "nct_id": "NCT00001627",
      "title": "Collection of Blood and Bone Marrow From Healthy Volunteers and Patients for Research Purposes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bone Marrow Diseases",
        "Healthy Volunteers"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "110 Years",
        "sex": "ALL",
        "summary": "2 Years to 110 Years"
      },
      "enrollment_count": 154,
      "start_date": "1997-07-08",
      "completion_date": "2010-12-22",
      "has_results": false,
      "last_update_posted_date": "2020-10-08",
      "last_synced_at": "2026-10-15T12:25:41.045Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001627"
    },
    {
      "nct_id": "NCT03502746",
      "title": "Phase II Nivolumab and Ramucirumab for Patients With Previously-Treated Mesothelioma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Mesothelioma, Malignant"
      ],
      "interventions": [
        {
          "name": "Nivolumab",
          "type": "DRUG"
        },
        {
          "name": "Ramucirumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Arkadiusz Z. Dudek, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2018-06-26",
      "completion_date": "2023-11-09",
      "has_results": true,
      "last_update_posted_date": "2024-05-14",
      "last_synced_at": "2026-10-15T12:25:41.045Z",
      "location_count": 4,
      "location_summary": "Tampa, Florida • Baltimore, Maryland • Detroit, Michigan + 1 more",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03502746"
    },
    {
      "nct_id": "NCT06073054",
      "title": "A Pharmacist Intervention to Improve Mother and Child Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Research Pharmacist",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Iowa",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 55 Years · Female only"
      },
      "enrollment_count": 25,
      "start_date": "2024-01-30",
      "completion_date": "2024-07-10",
      "has_results": true,
      "last_update_posted_date": "2025-08-29",
      "last_synced_at": "2026-10-15T12:25:41.045Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06073054"
    },
    {
      "nct_id": "NCT02398383",
      "title": "Role of Glucagon In Glucose Control in Cystic Fibrosis Related Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Cystic Fibrosis",
        "Cystic Fibrosis Related Diabetes"
      ],
      "interventions": [
        {
          "name": "Oral Glucose Tolerance Test",
          "type": "OTHER"
        },
        {
          "name": "Mixed Meal Tolerance Test",
          "type": "OTHER"
        },
        {
          "name": "Hypoglycemic Clamp",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "12 Years to 45 Years"
      },
      "enrollment_count": 7,
      "start_date": "2015-03",
      "completion_date": "2017-06-22",
      "has_results": false,
      "last_update_posted_date": "2020-06-26",
      "last_synced_at": "2026-10-15T12:25:41.045Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02398383"
    },
    {
      "nct_id": "NCT02919956",
      "title": "Cerebral Anatomy, Hemodynamics and Metabolism",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypoplastic Left Heart Syndrome"
      ],
      "interventions": [
        {
          "name": "Magnetic Resonance Imaging",
          "type": "OTHER"
        },
        {
          "name": "Neurodevelopmental Testing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "3 Years and older"
      },
      "enrollment_count": 121,
      "start_date": "2016-04",
      "completion_date": "2022-12-09",
      "has_results": false,
      "last_update_posted_date": "2024-12-18",
      "last_synced_at": "2026-10-15T12:25:41.045Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02919956"
    },
    {
      "nct_id": "NCT03902431",
      "title": "Translating the ABCS Into HIV Care",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV",
        "Cardiovascular Risk Factor"
      ],
      "interventions": [
        {
          "name": "ABCS training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "40 Years to 79 Years"
      },
      "enrollment_count": 4277,
      "start_date": "2019-09-26",
      "completion_date": "2024-05-31",
      "has_results": false,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-10-15T12:25:41.045Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03902431"
    },
    {
      "nct_id": "NCT05216042",
      "title": "GENESIS: Genotype Guided - Natriuretic Peptides - Cardiometabolic Health Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Diseases",
        "Natriuretic Peptides",
        "Cardiometabolic Diseases",
        "Energy Expenditure",
        "Glucose Metabolism",
        "Exercise",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Study diet",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Exercise capacity VO2 max determination",
          "type": "OTHER"
        },
        {
          "name": "Exercise Challenge",
          "type": "OTHER"
        },
        {
          "name": "Glucose Challenge",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2022-04-01",
      "completion_date": "2027-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-05",
      "last_synced_at": "2026-10-15T12:25:41.045Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05216042"
    },
    {
      "nct_id": "NCT01470105",
      "title": "Improving a Bayesian Model's Survival Estimates in Patients Needing Surgery for Bone Metastases",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bone Metastases"
      ],
      "interventions": [
        {
          "name": "blood sampling, the SF-36 questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 230,
      "start_date": "2011-11",
      "completion_date": "2026-11",
      "has_results": false,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-10-15T12:25:41.045Z",
      "location_count": 2,
      "location_summary": "New York, New York • The Bronx, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01470105"
    },
    {
      "nct_id": "NCT03733483",
      "title": "Sleep Disruption Induced Impairments in Bone Formation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Sleep Deprivation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "20 Years to 65 Years · Male only"
      },
      "enrollment_count": 12,
      "start_date": "2019-01-17",
      "completion_date": "2020-03-16",
      "has_results": true,
      "last_update_posted_date": "2021-07-12",
      "last_synced_at": "2026-10-15T12:25:41.045Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03733483"
    }
  ]
}