{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+draw+or+cheek+swab",
    "query": {
      "intervention": "blood draw or cheek swab"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 16,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+draw+or+cheek+swab&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-05T16:02:19.367Z",
  "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": "NCT04869930",
      "title": "Establishing a Diagnostic and Therapeutic Index in Autism Spectrum Disorder (ASD) and Fragile X Syndrome",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Autism Spectrum Disorder",
        "Fra(X) Syndrome"
      ],
      "interventions": [
        {
          "name": "specimen collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Nova Mentis Life Science Corp",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "6 Months to 21 Years"
      },
      "enrollment_count": 300,
      "start_date": "2021-11-01",
      "completion_date": "2023-05",
      "has_results": false,
      "last_update_posted_date": "2021-10-13",
      "last_synced_at": "2026-10-05T16:02:19.367Z",
      "location_count": 1,
      "location_summary": "Fort Lauderdale, Florida",
      "locations": [
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04869930"
    },
    {
      "nct_id": "NCT04473183",
      "title": "Epidemiologic Assessment of SARS-CoV-2 (COVID-19) Prevalence in Minnesota",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Covid19",
        "SARS-CoV Infection",
        "SARS-CoV-2",
        "Corona Virus Infection"
      ],
      "interventions": [
        {
          "name": "Specimen Collection",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Surveys",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2020-07-21",
      "completion_date": "2022-01",
      "has_results": false,
      "last_update_posted_date": "2022-08-15",
      "last_synced_at": "2026-10-05T16:02:19.367Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04473183"
    },
    {
      "nct_id": "NCT04306939",
      "title": "Genomic Resources for Enhancing Available Therapies (GREAT1.0) Study",
      "overall_status": "SUSPENDED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Pancreatitis",
        "Inflammatory Bowel Diseases",
        "Hepatitis",
        "NASH - Nonalcoholic Steatohepatitis",
        "Acute Pancreatitis",
        "Rheumatoid Arthritis",
        "Diabetes Mellitus",
        "Dyslipidemias",
        "Multiple Sclerosis",
        "Irritable Bowel Syndrome",
        "Chronic Pain",
        "Chronic Disease",
        "Chronic Kidney Diseases",
        "Crohn Disease",
        "Celiac Disease",
        "Biliary Cirrhosis",
        "Bile Acid Synthesis Defect",
        "Gastritis",
        "Cholecystitis",
        "Cholelithiases",
        "IPMN",
        "Cyst Pancreas",
        "Cystic Fibrosis",
        "Pancreatic Exocrine Insufficiency",
        "Diarrhea Chronic",
        "Constipation - Functional",
        "Constipation Chronic Idiopathic"
      ],
      "interventions": [
        {
          "name": "venipuncture",
          "type": "OTHER"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Additional Sample Collections",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 120000,
      "start_date": "2014-11-01",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-10-05T16:02:19.367Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04306939"
    },
    {
      "nct_id": "NCT06860516",
      "title": "HLA Demographics Study in Adults With Type 1 Diabetes",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetes Mellitus, Type I"
      ],
      "interventions": [
        {
          "name": "blood draw or cheek swab",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "GentiBio, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 200,
      "start_date": "2025-06-06",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2026-08-28",
      "last_synced_at": "2026-10-05T16:02:19.367Z",
      "location_count": 5,
      "location_summary": "San Francisco, California • Gainesville, Florida • Boston, Massachusetts + 2 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06860516"
    },
    {
      "nct_id": "NCT03849716",
      "title": "Evaluation of Biomarkers of Atopic Dermatitis in Pediatric Patients (PEDISTAD BIOMARKER STUDY)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Dermatitis Atopic"
      ],
      "interventions": [
        {
          "name": "Blood sample",
          "type": "OTHER"
        },
        {
          "name": "Cheek swab",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "0 Years to 11 Years"
      },
      "enrollment_count": 266,
      "start_date": "2019-04-05",
      "completion_date": "2026-04-20",
      "has_results": false,
      "last_update_posted_date": "2026-07-06",
      "last_synced_at": "2026-10-05T16:02:19.367Z",
      "location_count": 22,
      "location_summary": "Birmingham, Alabama • Montgomery, Alabama • Los Angeles, California + 16 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Madera",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03849716"
    },
    {
      "nct_id": "NCT02604563",
      "title": "Aging, Geriatric Syndromes and Clonal Hematopoiesis",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Geriatrics",
        "Aged",
        "Geriatric Syndromes",
        "Cardiovascular Diseases"
      ],
      "interventions": [
        {
          "name": "Cognitive Assessment",
          "type": "OTHER"
        },
        {
          "name": "Activities of Daily Living Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Instrumental Activities of Daily Living, subscale of the OARS",
          "type": "OTHER"
        },
        {
          "name": "Karnofsky Self-reported Performance Rating Scale",
          "type": "OTHER"
        },
        {
          "name": "Number of Falls",
          "type": "OTHER"
        },
        {
          "name": "Physical Health Section, subscale of the OARS",
          "type": "OTHER"
        },
        {
          "name": "MOS Social Activity Survey",
          "type": "OTHER"
        },
        {
          "name": "Unintentional Weight Loss",
          "type": "OTHER"
        },
        {
          "name": "Peripheral Blood Draw",
          "type": "GENETIC"
        },
        {
          "name": "Buccal Swab",
          "type": "GENETIC"
        },
        {
          "name": "Heart Health and Smoking History from BRFSS questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Gait Speed",
          "type": "OTHER"
        },
        {
          "name": "Grip Strength",
          "type": "OTHER"
        },
        {
          "name": "Height and Weight measurements",
          "type": "OTHER"
        },
        {
          "name": "Blood pressure measurement",
          "type": "OTHER"
        },
        {
          "name": "Optional bone marrow biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood draw for trauma measurements",
          "type": "PROCEDURE"
        },
        {
          "name": "Femur head donation",
          "type": "OTHER"
        },
        {
          "name": "Knee bone fragments",
          "type": "OTHER"
        },
        {
          "name": "Bone marrow aspirate",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "GENETIC",
        "PROCEDURE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 2000,
      "start_date": "2016-03-10",
      "completion_date": "2030-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-10-05T16:02:19.367Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02604563"
    },
    {
      "nct_id": "NCT02474199",
      "title": "Donor Alloantigen Reactive Tregs (darTregs) for Calcineurin Inhibitor (CNI) Reduction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Liver Transplant Recipient",
        "Living Donor (of the Respective Liver Transplant Recipient)"
      ],
      "interventions": [
        {
          "name": "darTregs",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Diphenhydramine",
          "type": "DRUG"
        },
        {
          "name": "Immunosuppression (IS) Withdrawal",
          "type": "DRUG"
        },
        {
          "name": "Study Mandated Procedures",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 15,
      "start_date": "2016-06-06",
      "completion_date": "2019-12-16",
      "has_results": true,
      "last_update_posted_date": "2021-02-09",
      "last_synced_at": "2026-10-05T16:02:19.367Z",
      "location_count": 3,
      "location_summary": "San Francisco, California • Chicago, Illinois • Rochester, Minnesota",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02474199"
    },
    {
      "nct_id": "NCT04450212",
      "title": "Vitamin K Supplementation Study in Healthy Volunteers (Aim 2B)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vitamin K Status"
      ],
      "interventions": [
        {
          "name": "Phase I, Buccal Swab Collection for DNA Isolation",
          "type": "GENETIC"
        },
        {
          "name": "Phase II, Vitamin K (Vitacost) Supplementation",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 106,
      "start_date": "2017-08-25",
      "completion_date": "2023-07-31",
      "has_results": false,
      "last_update_posted_date": "2023-12-19",
      "last_synced_at": "2026-10-05T16:02:19.367Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04450212"
    },
    {
      "nct_id": "NCT06397677",
      "title": "Defining the Molecular and Radiologic Phenotype of Progressive RA Interstitial Lung Disease",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Rheumatoid Arthritis",
        "Interstitial Lung Disease"
      ],
      "interventions": [
        {
          "name": "Research Testing Performed (Laboratory)",
          "type": "GENETIC"
        },
        {
          "name": "Information Collected as Standard of Care",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Research Testing Performed",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 450,
      "start_date": "2024-01-22",
      "completion_date": "2034-01",
      "has_results": false,
      "last_update_posted_date": "2024-05-03",
      "last_synced_at": "2026-10-05T16:02:19.367Z",
      "location_count": 4,
      "location_summary": "San Francisco, California • Aurora, Colorado • Kansas City, Kansas + 1 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06397677"
    },
    {
      "nct_id": "NCT01574781",
      "title": "Non-invasive Prenatal Diagnostic Validation Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chromosome 13 Aneuploidy",
        "Chromosome 18 Aneuploidy",
        "Chromosome 21 Aneuploidy",
        "Sex Chromosome Aberrations",
        "Other Microdeletions"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Cheek swab/Saliva Sampling",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Natera, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1781,
      "start_date": "2011-09",
      "completion_date": "2013-04",
      "has_results": false,
      "last_update_posted_date": "2013-07-02",
      "last_synced_at": "2026-10-05T16:02:19.367Z",
      "location_count": 1,
      "location_summary": "Redwood City, California",
      "locations": [
        {
          "city": "Redwood City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01574781"
    }
  ]
}