{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Specimen+sampling&page=10",
    "query": {
      "intervention": "Specimen sampling",
      "page": 10
    },
    "page_size": 10
  },
  "pagination": {
    "page": 10,
    "page_size": 10,
    "total_count": 317,
    "total_pages": 32,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Specimen+sampling&page=11&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Specimen+sampling&page=9&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-31T10:43:47.032Z",
  "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": "NCT06023940",
      "title": "Variability in Microbial Response to Dietary Fiber",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Microbial Colonization"
      ],
      "interventions": [
        {
          "name": "High fiber",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "45 Years to 65 Years"
      },
      "enrollment_count": 30,
      "start_date": "2022-05-12",
      "completion_date": "2023-10-31",
      "has_results": false,
      "last_update_posted_date": "2024-07-24",
      "last_synced_at": "2026-10-31T10:43:47.032Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06023940"
    },
    {
      "nct_id": "NCT03554629",
      "title": "A Comparison of Capnography Sampling Lines",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Capnography"
      ],
      "interventions": [
        {
          "name": "Capnography CO2 cannula sampling Flexiterline (CCSF) designs with supplemental O2",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic - MITG",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2018-05-01",
      "completion_date": "2020-09-15",
      "has_results": true,
      "last_update_posted_date": "2021-01-06",
      "last_synced_at": "2026-10-31T10:43:47.032Z",
      "location_count": 1,
      "location_summary": "Louisville, Colorado",
      "locations": [
        {
          "city": "Louisville",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03554629"
    },
    {
      "nct_id": "NCT03389373",
      "title": "Microbial Testing for Caries Risk Assessment",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dental Caries"
      ],
      "interventions": [
        {
          "name": "GC Strep Mutans Saliva Sampling",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "24 Months",
        "maximum_age": "96 Months",
        "sex": "ALL",
        "summary": "24 Months to 96 Months"
      },
      "enrollment_count": 0,
      "start_date": "2018-02-01",
      "completion_date": "2018-07-01",
      "has_results": false,
      "last_update_posted_date": "2018-07-16",
      "last_synced_at": "2026-10-31T10:43:47.032Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03389373"
    },
    {
      "nct_id": "NCT02733120",
      "title": "Metabolic Processes in Adults and Adolescents With Autism Spectrum Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Autism Spectrum Disorder"
      ],
      "interventions": [
        {
          "name": "stable isotope infusion",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Texas A&M University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2015-12-03",
      "completion_date": "2017-10-30",
      "has_results": false,
      "last_update_posted_date": "2025-09-30",
      "last_synced_at": "2026-10-31T10:43:47.032Z",
      "location_count": 1,
      "location_summary": "College Station, Texas",
      "locations": [
        {
          "city": "College Station",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02733120"
    },
    {
      "nct_id": "NCT04447495",
      "title": "Self-sampling for the Study of COVID-19",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Coronavirus"
      ],
      "interventions": [
        {
          "name": "iAMP test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Medical College of Wisconsin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 126,
      "start_date": "2020-07-01",
      "completion_date": "2020-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-12-23",
      "last_synced_at": "2026-10-31T10:43:47.032Z",
      "location_count": 1,
      "location_summary": "New Berlin, Wisconsin",
      "locations": [
        {
          "city": "New Berlin",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04447495"
    },
    {
      "nct_id": "NCT05471011",
      "title": "COVID-19 Outcome Prediction Algorithm",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19",
        "Post Acute Sequelae of COVID-19",
        "Long COVID",
        "Organ Dysfunction Syndrome, Multiple",
        "Frailty Syndrome"
      ],
      "interventions": [
        {
          "name": "Blood and nasal swab sampling",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 600,
      "start_date": "2022-08-08",
      "completion_date": "2026-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-24",
      "last_synced_at": "2026-10-31T10:43:47.032Z",
      "location_count": 7,
      "location_summary": "Los Angeles, California • Sylmar, California • Torrance, California + 3 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sylmar",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Decatur",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05471011"
    },
    {
      "nct_id": "NCT04950712",
      "title": "An Epidemiological Study to Assess Performance of Using Healthcare Tools to Understand Genital Herpes Simplex Virus-2 (HSV-2) in Patients ≥ 18 Years of Age in the United States and Europe.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Herpes Genitalis"
      ],
      "interventions": [
        {
          "name": "Blood sampling",
          "type": "PROCEDURE"
        },
        {
          "name": "Anogenital lesion swab collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 537,
      "start_date": "2021-06-09",
      "completion_date": "2024-03-14",
      "has_results": false,
      "last_update_posted_date": "2025-03-07",
      "last_synced_at": "2026-10-31T10:43:47.032Z",
      "location_count": 22,
      "location_summary": "Long Beach, California • Los Angeles, California • San Francisco, California + 16 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04950712"
    },
    {
      "nct_id": "NCT00899275",
      "title": "Collecting and Storing Samples of Blood and Tumor Tissue From Patients With Osteosarcoma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteosarcoma"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 957,
      "start_date": "2008-02-04",
      "completion_date": "2023-09-30",
      "has_results": false,
      "last_update_posted_date": "2023-10-03",
      "last_synced_at": "2026-10-31T10:43:47.032Z",
      "location_count": 160,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 116 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00899275"
    },
    {
      "nct_id": "NCT03887520",
      "title": "Lipoprotein(a) in Patients With Cardiovascular Disease (CVD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Disease and Lipoprotein(a)"
      ],
      "interventions": [
        {
          "name": "Blood draw for Lp(a)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 49001,
      "start_date": "2018-11-27",
      "completion_date": "2021-07-30",
      "has_results": false,
      "last_update_posted_date": "2022-01-28",
      "last_synced_at": "2026-10-31T10:43:47.032Z",
      "location_count": 180,
      "location_summary": "Andalusia, Alabama • Birmingham, Alabama • Huntsville, Alabama + 150 more",
      "locations": [
        {
          "city": "Andalusia",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Cottonwood",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03887520"
    },
    {
      "nct_id": "NCT01394159",
      "title": "22G FNA Needle vs. 22G ProCore Needle",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pancreatic Neoplasm"
      ],
      "interventions": [
        {
          "name": "22G ProCore biopsy needle",
          "type": "PROCEDURE"
        },
        {
          "name": "22G standard FNA needle",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "AdventHealth",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 56,
      "start_date": "2011-07",
      "completion_date": "2011-12",
      "has_results": true,
      "last_update_posted_date": "2018-03-09",
      "last_synced_at": "2026-10-31T10:43:47.032Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01394159"
    }
  ]
}