{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Research+Blood+Collection&page=6",
    "query": {
      "intervention": "Research Blood Collection",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "page_size": 10,
    "total_count": 457,
    "total_pages": 46,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Research+Blood+Collection&page=7&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Research+Blood+Collection&page=5&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T03:08:14.598Z",
  "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": "NCT05536388",
      "title": "Drug Discovery for Parkinson's With Mutations in the GBA Gene",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson Disease",
        "Gaucher Disease",
        "Healthy",
        "GBA Gene Mutation"
      ],
      "interventions": [
        {
          "name": "Biological Sample Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "New York Stem Cell Foundation Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2022-07-15",
      "completion_date": "2025-07-15",
      "has_results": false,
      "last_update_posted_date": "2025-03-03",
      "last_synced_at": "2026-10-20T03:08:14.598Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05536388"
    },
    {
      "nct_id": "NCT01334801",
      "title": "Biomarkers in Aortic Stenosis - B.A.S.S.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Aortic Stenosis",
        "Disorder of Prosthetic Cardiac Valve",
        "Aortic Valve Insufficiency",
        "Mitral Valve Insufficiency",
        "Hypertrophic Cardiomyopathy",
        "Tricuspid Valve Insufficiency"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 378,
      "start_date": "2010-07",
      "completion_date": "2020-01-31",
      "has_results": false,
      "last_update_posted_date": "2022-05-05",
      "last_synced_at": "2026-10-20T03:08:14.598Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01334801"
    },
    {
      "nct_id": "NCT00453219",
      "title": "FHA: Characterization of Metabolic Status, Brain Circuitry, and Stress-Reactivity",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Anovulation",
        "FHA",
        "Eumenorrhea",
        "Polycystic Ovary Syndrome"
      ],
      "interventions": [
        {
          "name": "Screening evaluation",
          "type": "PROCEDURE"
        },
        {
          "name": "Meal Response",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood Collection",
          "type": "GENETIC"
        },
        {
          "name": "Functional MRI",
          "type": "PROCEDURE"
        },
        {
          "name": "Endocrine Assessment",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "GENETIC"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2011-07",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-10-30",
      "last_synced_at": "2026-10-20T03:08:14.598Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00453219"
    },
    {
      "nct_id": "NCT06300697",
      "title": "Michigan Food and Atopic Dermatitis (M-FAD) Program - Molecular Analytics Project",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atopic Dermatitis",
        "Food Allergy",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Data and biospecimen collection",
          "type": "OTHER"
        },
        {
          "name": "Skin biopsies",
          "type": "OTHER"
        },
        {
          "name": "Oral Food Challenge (OFC) procedures",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "10 Years to 55 Years"
      },
      "enrollment_count": 200,
      "start_date": "2024-02-15",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2025-11-25",
      "last_synced_at": "2026-10-20T03:08:14.598Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06300697"
    },
    {
      "nct_id": "NCT01223248",
      "title": "Randomized Study Comparing Two Dosing Schedules for Hypofractionated Image-Guided Radiation Therapy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Melanoma",
        "Ovarian Cancer",
        "Sarcoma",
        "Bone",
        "CNS-Spinal CD/MEMBR, NOS",
        "Lymph Nodes",
        "Soft Tissue"
      ],
      "interventions": [
        {
          "name": "IGIMRT using a single dose of 24 Gy",
          "type": "RADIATION"
        },
        {
          "name": "IGIMRT 27 Gy in 3 fractions",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "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": 220,
      "start_date": "2010-10",
      "completion_date": "2026-10",
      "has_results": false,
      "last_update_posted_date": "2025-11-04",
      "last_synced_at": "2026-10-20T03:08:14.598Z",
      "location_count": 2,
      "location_summary": "San Francisco, California • New York, New York",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01223248"
    },
    {
      "nct_id": "NCT01295489",
      "title": "Biomarkers in Patients With Previously Untreated Invasive Ovarian Epithelial, Fallopian Tube, or Primary Peritoneal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Fallopian Tube Carcinoma",
        "Ovarian Carcinoma",
        "Primary Peritoneal Carcinoma"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Gynecologic Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 39,
      "start_date": "2011-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2018-05-22",
      "last_synced_at": "2026-10-20T03:08:14.598Z",
      "location_count": 9,
      "location_summary": "Hinsdale, Illinois • Springfield, Illinois • Ames, Iowa + 6 more",
      "locations": [
        {
          "city": "Hinsdale",
          "state": "Illinois"
        },
        {
          "city": "Springfield",
          "state": "Illinois"
        },
        {
          "city": "Ames",
          "state": "Iowa"
        },
        {
          "city": "Billings",
          "state": "Montana"
        },
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01295489"
    },
    {
      "nct_id": "NCT06033417",
      "title": "Walking and Blood Pressure in Older Adults With Respiratory Impairment.",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Respiratory Impairment",
        "Elevated Blood Pressure",
        "Physical Inactivity"
      ],
      "interventions": [
        {
          "name": "Increased lifestyle walking (intervention)",
          "type": "OTHER"
        },
        {
          "name": "Health education only (control)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Iowa State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2023-09",
      "completion_date": "2024-05",
      "has_results": false,
      "last_update_posted_date": "2023-09-13",
      "last_synced_at": "2026-10-20T03:08:14.598Z",
      "location_count": 1,
      "location_summary": "Ames, Iowa",
      "locations": [
        {
          "city": "Ames",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06033417"
    },
    {
      "nct_id": "NCT06926855",
      "title": "Community Health Workers Reduce Social Barriers That Affect the Health of Patients With High Blood Pressure and Diabetes.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Uncontrolled Diabetes",
        "Uncontrolled Hypertension"
      ],
      "interventions": [
        {
          "name": "CHC-level cluster randomized control trial",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Morehouse 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": 72726,
      "start_date": "2025-05-01",
      "completion_date": "2026-05-29",
      "has_results": false,
      "last_update_posted_date": "2026-07-09",
      "last_synced_at": "2026-10-20T03:08:14.598Z",
      "location_count": 3,
      "location_summary": "Miami, Florida • Atlanta, Georgia • Portland, Oregon",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06926855"
    },
    {
      "nct_id": "NCT04818060",
      "title": "Preparing for Prevention of Huntington's Disease (PREVENT-HD)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Huntington Disease"
      ],
      "interventions": [
        {
          "name": "Clinical Assessments",
          "type": "OTHER"
        },
        {
          "name": "MRI Scan",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Lumber Puncture (LP)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 258,
      "start_date": "2021-09-13",
      "completion_date": "2025-01-31",
      "has_results": false,
      "last_update_posted_date": "2025-03-18",
      "last_synced_at": "2026-10-20T03:08:14.598Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04818060"
    },
    {
      "nct_id": "NCT03862222",
      "title": "Atlas of Retinal Imaging in Alzheimer's Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alzheimer Disease",
        "Mild Cognitive Impairment",
        "Mild Dementia",
        "Aging",
        "Cognitive Change"
      ],
      "interventions": [
        {
          "name": "Retinal Imaging",
          "type": "OTHER"
        },
        {
          "name": "Pupillometry",
          "type": "OTHER"
        },
        {
          "name": "Contrast Sensitivity",
          "type": "OTHER"
        },
        {
          "name": "Neuropsychological Evaluation",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "APOE genotyping",
          "type": "GENETIC"
        },
        {
          "name": "blood draw",
          "type": "OTHER"
        },
        {
          "name": "Gait Assessment",
          "type": "OTHER"
        },
        {
          "name": "Actigraphy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIAGNOSTIC_TEST",
        "GENETIC"
      ],
      "sponsor": "University of Rhode Island",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "55 Years to 80 Years"
      },
      "enrollment_count": 165,
      "start_date": "2019-12-16",
      "completion_date": "2025-05-31",
      "has_results": false,
      "last_update_posted_date": "2025-06-05",
      "last_synced_at": "2026-10-20T03:08:14.598Z",
      "location_count": 4,
      "location_summary": "Clearwater, Florida • St. Petersburg, Florida • Kingston, Rhode Island + 1 more",
      "locations": [
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        },
        {
          "city": "Kingston",
          "state": "Rhode Island"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03862222"
    }
  ]
}