{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=103",
    "query": {
      "intervention": "biospecimen Collection",
      "page": 103
    },
    "page_size": 10
  },
  "pagination": {
    "page": 103,
    "page_size": 10,
    "total_count": 3528,
    "total_pages": 353,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=104&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=102&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-12T03:37:44.228Z",
  "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": "NCT00071045",
      "title": "Collection of Tissue Specimens From Patients With Solid Tumors or Blood Disorders and Their HLA-Compatible Family Members",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neoplasms",
        "Hematologic Neoplasms",
        "Healthy Volunteers"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "2 Years to 100 Years"
      },
      "enrollment_count": 6000,
      "start_date": "2003-10-08",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-11-05",
      "last_synced_at": "2026-11-12T03:37:44.228Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00071045"
    },
    {
      "nct_id": "NCT00855556",
      "title": "Parkinson's Disease Genetics Database",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "blood draw",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2008-02",
      "completion_date": "2013-02",
      "has_results": false,
      "last_update_posted_date": "2015-09-16",
      "last_synced_at": "2026-11-12T03:37:44.228Z",
      "location_count": 1,
      "location_summary": "Manhasset, New York",
      "locations": [
        {
          "city": "Manhasset",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00855556"
    },
    {
      "nct_id": "NCT06496451",
      "title": "Measurement of Frataxin mRNA in Biofluids",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Friedreich Ataxia"
      ],
      "interventions": [
        {
          "name": "Spinal tap for CSF collection",
          "type": "OTHER"
        },
        {
          "name": "Venipuncture for blood sample",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 10,
      "start_date": "2024-08-08",
      "completion_date": "2026-01-14",
      "has_results": false,
      "last_update_posted_date": "2026-01-16",
      "last_synced_at": "2026-11-12T03:37:44.228Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06496451"
    },
    {
      "nct_id": "NCT05947500",
      "title": "Testing the Combination of Two Anticancer Drugs M1774 (Tuvusertib) and Avelumab to Evaluate Their Safety and Effectiveness in Treating Merkel Cell Skin Cancer, MATRiX Trial",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Clinical Stage III Cutaneous Merkel Cell Carcinoma AJCC v8",
        "Clinical Stage IV Cutaneous Merkel Cell Carcinoma AJCC v8",
        "Locally Advanced Merkel Cell Carcinoma",
        "Metastatic Merkel Cell Carcinoma",
        "Refractory Merkel Cell Carcinoma",
        "Unresectable Merkel Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Avelumab",
          "type": "DRUG"
        },
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Tuvusertib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2024-05-21",
      "completion_date": "2028-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-31",
      "last_synced_at": "2026-11-12T03:37:44.228Z",
      "location_count": 50,
      "location_summary": "Irvine, California • La Jolla, California • Los Angeles, California + 39 more",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05947500"
    },
    {
      "nct_id": "NCT04880044",
      "title": "Detection of Barrett s Esophagus in Patients Without GERD Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Barrett's Esophagus"
      ],
      "interventions": [
        {
          "name": "EsoCheck/EsoGuard (EC/EG)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Esophago-gastro-duodenoscopy (EGD)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 132,
      "start_date": "2022-01-05",
      "completion_date": "2025-02-25",
      "has_results": true,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-11-12T03:37:44.228Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04880044"
    },
    {
      "nct_id": "NCT03567044",
      "title": "Immune Effects in Patients Treated With Whole Breast Irradiation",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "45 Years and older · Female only"
      },
      "enrollment_count": 50,
      "start_date": "2018-10-01",
      "completion_date": "2020-03",
      "has_results": false,
      "last_update_posted_date": "2018-06-25",
      "last_synced_at": "2026-11-12T03:37:44.228Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03567044"
    },
    {
      "nct_id": "NCT02414100",
      "title": "Patient Derived Cancer Cell Lines in Identifying Molecular Changes in Patients With Previously Untreated Pancreatic Cancer Receiving Gemcitabine Hydrochloride-Based Chemotherapy",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreatic Ductal Adenocarcinoma",
        "Stage IA Pancreatic Cancer",
        "Stage IB Pancreatic Cancer",
        "Stage IIA Pancreatic Cancer",
        "Stage IIB Pancreatic Cancer",
        "Stage III Pancreatic Cancer",
        "Stage IV Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2013-12-12",
      "completion_date": "2016-12-15",
      "has_results": false,
      "last_update_posted_date": "2025-05-02",
      "last_synced_at": "2026-11-12T03:37:44.228Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02414100"
    },
    {
      "nct_id": "NCT06761612",
      "title": "Retail COVID-19 Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID - 19"
      ],
      "interventions": [
        {
          "name": "FDA approved mRNA vaccines",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Biomedical Advanced Research and Development Authority",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "3 Years and older"
      },
      "enrollment_count": 2519,
      "start_date": "2024-10-19",
      "completion_date": "2026-05-14",
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-11-12T03:37:44.228Z",
      "location_count": 20,
      "location_summary": "Kissimmee, Florida • Chicago, Illinois • Oak Park, Illinois + 15 more",
      "locations": [
        {
          "city": "Kissimmee",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Oak Park",
          "state": "Illinois"
        },
        {
          "city": "River Forest",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06761612"
    },
    {
      "nct_id": "NCT02243267",
      "title": "GI SPORE Colon Biosample Protocol",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colon Cancer",
        "Rectal Cancer"
      ],
      "interventions": [
        {
          "name": "sample collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 115,
      "start_date": "2014-09",
      "completion_date": "2017-08-31",
      "has_results": false,
      "last_update_posted_date": "2017-11-08",
      "last_synced_at": "2026-11-12T03:37:44.228Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02243267"
    },
    {
      "nct_id": "NCT05936229",
      "title": "Interferon-Beta-1a (FP-1201) to Prevent Toxicities After CD19-Directed CAR T-Cell Therapy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Recurrent B Acute Lymphoblastic Leukemia",
        "Recurrent B-Cell Non-Hodgkin Lymphoma",
        "Refractory B Acute Lymphoblastic Leukemia",
        "Refractory B-Cell Non-Hodgkin Lymphoma",
        "Recurrent Mantle Cell Lymphoma",
        "Refractory Mantle Cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "Interferon Beta-1A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "X-Ray Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography",
          "type": "PROCEDURE"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Lumbar Puncture",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Fred Hutchinson 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": 0,
      "start_date": "2025-04-01",
      "completion_date": "2027-10-30",
      "has_results": false,
      "last_update_posted_date": "2024-07-12",
      "last_synced_at": "2026-11-12T03:37:44.228Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05936229"
    }
  ]
}