{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=18",
    "query": {
      "intervention": "biospecimen Collection",
      "page": 18
    },
    "page_size": 10
  },
  "pagination": {
    "page": 18,
    "page_size": 10,
    "total_count": 3528,
    "total_pages": 353,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=19&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=17&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-10T17:45:53.506Z",
  "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": "NCT02760329",
      "title": "Observational Study of Obstructive Lung Disease (NOVELTY)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma",
        "COPD",
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Urine",
          "type": "PROCEDURE"
        },
        {
          "name": "Lung function measurements",
          "type": "PROCEDURE"
        },
        {
          "name": "Fractional Exhaled Nitric Oxide (FENO)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "130 Years",
        "sex": "ALL",
        "summary": "12 Years to 130 Years"
      },
      "enrollment_count": 12255,
      "start_date": "2016-07-25",
      "completion_date": "2023-05-31",
      "has_results": false,
      "last_update_posted_date": "2024-10-03",
      "last_synced_at": "2026-11-10T17:45:53.506Z",
      "location_count": 40,
      "location_summary": "Loma Linda, California • Long Beach, California • Roseville, California + 33 more",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Roseville",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02760329"
    },
    {
      "nct_id": "NCT04739072",
      "title": "Minimal Residual Disease Assessment in Patients With Colorectal Cancer, the MiRDA-C Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colorectal Adenocarcinoma",
        "Stage I Colorectal Cancer AJCC v8",
        "Stage II Colorectal Cancer AJCC v8",
        "Stage IIA Colorectal Cancer AJCC v8",
        "Stage IIB Colorectal Cancer AJCC v8",
        "Stage IIC Colorectal Cancer AJCC v8",
        "Stage III Colorectal Cancer AJCC v8",
        "Stage IIIA Colorectal Cancer AJCC v8",
        "Stage IIIB Colorectal Cancer AJCC v8",
        "Stage IIIC Colorectal Cancer AJCC v8",
        "Stage IV Colorectal Cancer AJCC v6",
        "Stage IVA Colorectal Cancer AJCC v8",
        "Stage IVB Colorectal Cancer AJCC v8",
        "Stage IVC Colorectal Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "M.D. Anderson 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": 1000,
      "start_date": "2019-11-22",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-29",
      "last_synced_at": "2026-11-10T17:45:53.506Z",
      "location_count": 10,
      "location_summary": "Gilbert, Arizona • Jacksonville, Florida • Honolulu, Hawaii + 6 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        },
        {
          "city": "Boise",
          "state": "Idaho"
        },
        {
          "city": "Camden",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04739072"
    },
    {
      "nct_id": "NCT06380322",
      "title": "Military Health and Nutrition Examination Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypertension",
        "Type 2 Diabetes",
        "Dyslipidemias",
        "Cardiovascular Diseases"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Pennington Biomedical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 648,
      "start_date": "2024-08-24",
      "completion_date": "2026-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-17",
      "last_synced_at": "2026-11-10T17:45:53.506Z",
      "location_count": 6,
      "location_summary": "Fort Carson, Colorado • Hinesville, Georgia • Fort Campbell, Kentucky + 3 more",
      "locations": [
        {
          "city": "Fort Carson",
          "state": "Colorado"
        },
        {
          "city": "Hinesville",
          "state": "Georgia"
        },
        {
          "city": "Fort Campbell",
          "state": "Kentucky"
        },
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        },
        {
          "city": "Leesville",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06380322"
    },
    {
      "nct_id": "NCT05649072",
      "title": "Identifying Underserved Individuals inTexas With Hereditary Cancer Risk Using Mobile Mammography Units and Telegenetics.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ovarian Cancer",
        "Breast Cancer",
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Genetic Testing and Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Screening Form",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 1000,
      "start_date": "2022-11-18",
      "completion_date": "2027-02-02",
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-11-10T17:45:53.506Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05649072"
    },
    {
      "nct_id": "NCT04305366",
      "title": "MicroRNA Markers in Head and Neck Cancers",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Squamous Cell Carcinoma of Head and Neck"
      ],
      "interventions": [
        {
          "name": "Tissue collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 225,
      "start_date": "2012-11-16",
      "completion_date": "2027-02",
      "has_results": false,
      "last_update_posted_date": "2026-02-24",
      "last_synced_at": "2026-11-10T17:45:53.506Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04305366"
    },
    {
      "nct_id": "NCT03657251",
      "title": "MMRF CureCloud Research Initiative",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "liquid biopsy",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Multiple Myeloma Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1105,
      "start_date": "2020-07-14",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-01-05",
      "last_synced_at": "2026-11-10T17:45:53.506Z",
      "location_count": 4,
      "location_summary": "Norwalk, Connecticut • St Louis, Missouri • Hackensack, New Jersey + 1 more",
      "locations": [
        {
          "city": "Norwalk",
          "state": "Connecticut"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Hackensack",
          "state": "New Jersey"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03657251"
    },
    {
      "nct_id": "NCT04318587",
      "title": "Assessment of Donor Derived Cell Free DNA and Utility in Lung Transplantation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Transplant Failure and Rejection"
      ],
      "interventions": [
        {
          "name": "Allosure",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Pablo Sanchez",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2020-06-29",
      "completion_date": "2023-12-30",
      "has_results": true,
      "last_update_posted_date": "2024-03-25",
      "last_synced_at": "2026-11-10T17:45:53.506Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04318587"
    },
    {
      "nct_id": "NCT05028621",
      "title": "Molecular Basis of Langerhans and Non-Langerhans Cell Histiocytic Neoplasms and Castleman Disease",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Castleman's Disease (CD)",
        "Langerhans Cell Histiocytosis (LCH)",
        "Non-Langerhans-Cell Histiocytosis"
      ],
      "interventions": [
        {
          "name": "Genetic testing",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Case Comprehensive 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": 135,
      "start_date": "2021-06-18",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-06",
      "last_synced_at": "2026-11-10T17:45:53.506Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05028621"
    },
    {
      "nct_id": "NCT00900406",
      "title": "Collecting and Storing Tissue and DNA Samples From Patients Undergoing a Donor Stem Cell Transplant",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Chronic Myeloproliferative Disorders",
        "Gestational Trophoblastic Tumor",
        "Graft Versus Host Disease",
        "Leukemia",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Neoplasms",
        "Neuroblastoma",
        "Ovarian Cancer",
        "Testicular Germ Cell Tumor"
      ],
      "interventions": [
        {
          "name": "gene expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "microarray analysis",
          "type": "GENETIC"
        },
        {
          "name": "polymorphism analysis",
          "type": "GENETIC"
        },
        {
          "name": "proteomic profiling",
          "type": "GENETIC"
        },
        {
          "name": "flow cytometry",
          "type": "OTHER"
        },
        {
          "name": "immunologic technique",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt-Ingram 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": 190,
      "start_date": "2007-01",
      "completion_date": "2010-03",
      "has_results": false,
      "last_update_posted_date": "2012-11-06",
      "last_synced_at": "2026-11-10T17:45:53.506Z",
      "location_count": 3,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00900406"
    },
    {
      "nct_id": "NCT05197621",
      "title": "The Impact of COVID-19 on Maternal and Neonatal Outcomes",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19",
        "Pregnancy; Infection"
      ],
      "interventions": [
        {
          "name": "mRNA COVID-19 vaccine (Pfizer or Moderna)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 55 Years · Female only"
      },
      "enrollment_count": 300,
      "start_date": "2020-04-13",
      "completion_date": "2028-05-05",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-11-10T17:45:53.506Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05197621"
    }
  ]
}