{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Prospective+Blood+Draw&page=2",
    "query": {
      "intervention": "Prospective Blood Draw",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Prospective+Blood+Draw&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-22T04:39:17.026Z",
  "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": "NCT04193046",
      "title": "A Study for the Identification of Biomarker Signatures for Early Detection of Pulmonary Hypertension (PH)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Hypertension, Pulmonary"
      ],
      "interventions": [
        {
          "name": "Blood Sample",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 907,
      "start_date": "2019-12-16",
      "completion_date": "2022-02-18",
      "has_results": false,
      "last_update_posted_date": "2025-09-12",
      "last_synced_at": "2026-09-22T04:39:17.026Z",
      "location_count": 16,
      "location_summary": "Los Angeles, California • Aurora, Colorado • Jacksonville, Florida + 12 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04193046"
    },
    {
      "nct_id": "NCT05773196",
      "title": "Prospective Single-Timepoint Huntington's Disease Biospecimen Collection Study",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Huntington Disease",
        "Huntington's Dementia",
        "Huntington Disease, Late Onset",
        "Huntington; Dementia (Etiology)"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Sanguine Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "25 Years to 65 Years"
      },
      "enrollment_count": 5,
      "start_date": "2023-03-14",
      "completion_date": "2025-02-28",
      "has_results": false,
      "last_update_posted_date": "2024-04-18",
      "last_synced_at": "2026-09-22T04:39:17.026Z",
      "location_count": 1,
      "location_summary": "Woburn, Massachusetts",
      "locations": [
        {
          "city": "Woburn",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05773196"
    },
    {
      "nct_id": "NCT02086773",
      "title": "Red Cell Transfusion Goals in Patients With Acute Leukemias",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acute Lymphoblastic Leukemia",
        "Acute Lymphocytic Leukemia (ALL)",
        "Acute Myelogenous Leukemia (AML)",
        "Acute Promyelocytic Leukemia (APL)"
      ],
      "interventions": [
        {
          "name": "Red blood cell transfusion",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2014-04",
      "completion_date": "2015-09",
      "has_results": false,
      "last_update_posted_date": "2019-01-24",
      "last_synced_at": "2026-09-22T04:39:17.026Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02086773"
    },
    {
      "nct_id": "NCT02014402",
      "title": "Safety and Efficacy of Topical Thrombin (Human) Grifols as an Adjunct to Hemostasis During Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hemostasis"
      ],
      "interventions": [
        {
          "name": "Human thrombin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Bovine thrombin",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Instituto Grifols, S.A.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 181,
      "start_date": "2013-12",
      "completion_date": "2015-11",
      "has_results": true,
      "last_update_posted_date": "2017-06-14",
      "last_synced_at": "2026-09-22T04:39:17.026Z",
      "location_count": 20,
      "location_summary": "Tucson, Arizona • Los Angeles, California • Pasadena, California + 17 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Boulder",
          "state": "Colorado"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02014402"
    },
    {
      "nct_id": "NCT05380557",
      "title": "ARTEMIS: Study of Patients With Early Stage Pancreatic Cancer Who Have Undergone Genetic Testing",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreatic Adenocarcinoma",
        "Pancreatic Cancer",
        "Resectable Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "Germline genetic testing",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Invitae Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2021-08-23",
      "completion_date": "2022-09-06",
      "has_results": false,
      "last_update_posted_date": "2022-12-07",
      "last_synced_at": "2026-09-22T04:39:17.026Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05380557"
    },
    {
      "nct_id": "NCT00302731",
      "title": "Bioidentical 'Natural' Hormone Evaluation in Early Menopause",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Menopause"
      ],
      "interventions": [
        {
          "name": "Estradiol , estriol , progesterone",
          "type": "DRUG"
        },
        {
          "name": "estradiol, progesterone",
          "type": "DRUG"
        },
        {
          "name": "estriol, progesterone",
          "type": "DRUG"
        },
        {
          "name": "equine estrogens m-progesteroneacetate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Jeanne Drisko, MD, CNS, FACN",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 65 Years · Female only"
      },
      "enrollment_count": 21,
      "start_date": "2006-02",
      "completion_date": "2014-09",
      "has_results": true,
      "last_update_posted_date": "2018-07-06",
      "last_synced_at": "2026-09-22T04:39:17.026Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00302731"
    },
    {
      "nct_id": "NCT00400192",
      "title": "Transfusion-Associated Microchimerism in Individuals Receiving a Blood Transfusion After a Traumatic Injury",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chimerism",
        "Blood Transfusion",
        "Wounds and Injuries"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Vitalant Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 451,
      "start_date": "2006-11",
      "completion_date": "2012-07",
      "has_results": false,
      "last_update_posted_date": "2013-04-15",
      "last_synced_at": "2026-09-22T04:39:17.026Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00400192"
    },
    {
      "nct_id": "NCT07358208",
      "title": "Prospective Familial Registry for Pancreas Research",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Family History of Pancreas Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3000,
      "start_date": "2026-01-05",
      "completion_date": "2040-11",
      "has_results": false,
      "last_update_posted_date": "2026-01-22",
      "last_synced_at": "2026-09-22T04:39:17.026Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07358208"
    },
    {
      "nct_id": "NCT02295085",
      "title": "Fernald Community Cohort -18 Year Observational Study",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer",
        "Renal Failure",
        "Diabetes",
        "Cardiovascular Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "8 Years and older"
      },
      "enrollment_count": 9782,
      "start_date": "1990-09",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2024-10-26",
      "last_synced_at": "2026-09-22T04:39:17.026Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02295085"
    },
    {
      "nct_id": "NCT01203033",
      "title": "Prospective Pilot Study of Bone Marrow and Peripheral Blood Samples From AML Patients to Characterize the Biologic Heterogeneity of the Disease Using Single Cell Network Profiling (SCNP)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Myeloid Leukemia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "West Virginia University",
      "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": 68,
      "start_date": "2010-09",
      "completion_date": "2012-10",
      "has_results": false,
      "last_update_posted_date": "2017-02-07",
      "last_synced_at": "2026-09-22T04:39:17.026Z",
      "location_count": 1,
      "location_summary": "Morgantown, West Virginia",
      "locations": [
        {
          "city": "Morgantown",
          "state": "West Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01203033"
    }
  ]
}