{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=21",
    "query": {
      "intervention": "biospecimen Collection",
      "page": 21
    },
    "page_size": 10
  },
  "pagination": {
    "page": 21,
    "page_size": 10,
    "total_count": 3528,
    "total_pages": 353,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=22&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=20&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-10T15:45:55.575Z",
  "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": "NCT05595577",
      "title": "Improving Exercise Capacity With a Tailored Physical Activity Intervention",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Non Hodgkin Lymphoma",
        "Heart; Functional Disturbance",
        "Hodgkin Lymphoma",
        "Quality of Life",
        "Stage I Breast Cancer",
        "Stage II Breast Cancer",
        "Stage III Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Exercise with Trainerize application",
          "type": "OTHER"
        },
        {
          "name": "Cardiopulmonary exercise testing",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "MRI scan",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Quality of Life Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cognitive and Brain Function Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Blood draws",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIAGNOSTIC_TEST",
        "BEHAVIORAL"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 105,
      "start_date": "2023-03-01",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-11-10T15:45:55.575Z",
      "location_count": 2,
      "location_summary": "Winston-Salem, North Carolina • Richmond, Virginia",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        },
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05595577"
    },
    {
      "nct_id": "NCT04226131",
      "title": "MusculRA: The Effects of Rheumatoid Arthritis on Skeletal Muscle Biomechanics",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Rheumatoid Arthritis",
        "Healthy Controls"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "OTHER"
        },
        {
          "name": "Disease Activity (DAS-28) Assessment",
          "type": "OTHER"
        },
        {
          "name": "Skeletal Muscle Mitochondrial Respiratory Capacity",
          "type": "OTHER"
        },
        {
          "name": "Muscle Biopsy",
          "type": "OTHER"
        },
        {
          "name": "Body Composition",
          "type": "OTHER"
        },
        {
          "name": "Cardiopulmonary Exercise Test (CPET)",
          "type": "OTHER"
        },
        {
          "name": "Strength Testing",
          "type": "OTHER"
        },
        {
          "name": "Questionnaires",
          "type": "OTHER"
        },
        {
          "name": "Skeletal Muscle Biomechanical Property Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "25 Years to 75 Years"
      },
      "enrollment_count": 21,
      "start_date": "2020-09-09",
      "completion_date": "2023-07-07",
      "has_results": false,
      "last_update_posted_date": "2023-07-13",
      "last_synced_at": "2026-11-10T15:45:55.575Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04226131"
    },
    {
      "nct_id": "NCT01087307",
      "title": "Sample Collection Registry for Quality Control of Biological and Environmental Specimens and Assay Development and Testing",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Exposure"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Environmental Health Sciences (NIEHS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5326,
      "start_date": "2010-03-02",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-11-09",
      "last_synced_at": "2026-11-10T15:45:55.575Z",
      "location_count": 1,
      "location_summary": "Research Triangle Park, North Carolina",
      "locations": [
        {
          "city": "Research Triangle Park",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01087307"
    },
    {
      "nct_id": "NCT05163730",
      "title": "Clinical Evaluation of the Panbio™ COVID-19/ Flu A&B Rapid Panel",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19",
        "Influenza A",
        "Influenza Type B"
      ],
      "interventions": [
        {
          "name": "COVID-19/ Flu A&B Rapid Panel",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Abbott Rapid Diagnostics Jena GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 2472,
      "start_date": "2021-11-01",
      "completion_date": "2022-02-11",
      "has_results": false,
      "last_update_posted_date": "2022-07-20",
      "last_synced_at": "2026-11-10T15:45:55.575Z",
      "location_count": 1,
      "location_summary": "Easley, South Carolina",
      "locations": [
        {
          "city": "Easley",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05163730"
    },
    {
      "nct_id": "NCT04851119",
      "title": "Tegavivint for the Treatment of Recurrent or Refractory Solid Tumors, Including Lymphomas and Desmoid Tumors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Colorectal Carcinoma",
        "Endometrial Carcinoma",
        "Melanoma",
        "Neuroblastoma",
        "Ovarian Carcinoma",
        "Pancreatic Ductal Adenocarcinoma",
        "Recurrent Desmoid Fibromatosis",
        "Recurrent Ewing Sarcoma",
        "Recurrent Hepatoblastoma",
        "Recurrent Hepatocellular Carcinoma",
        "Recurrent Malignant Solid Neoplasm",
        "Recurrent Non-Hodgkin Lymphoma",
        "Recurrent Osteosarcoma",
        "Refractory Desmoid Fibromatosis",
        "Refractory Ewing Sarcoma",
        "Refractory Hepatoblastoma",
        "Refractory Hepatocellular Carcinoma",
        "Refractory Malignant Solid Neoplasm",
        "Refractory Non-Hodgkin Lymphoma",
        "Refractory Osteosarcoma",
        "Solid Pseudopapillary Neoplasm of the Pancreas",
        "Wilms Tumor"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Dual X-ray Absorptiometry",
          "type": "PROCEDURE"
        },
        {
          "name": "Tegavivint",
          "type": "DRUG"
        },
        {
          "name": "X-Ray Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "12 Months to 30 Years"
      },
      "enrollment_count": 147,
      "start_date": "2021-11-08",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-11-10T15:45:55.575Z",
      "location_count": 21,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Orange, California + 18 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04851119"
    },
    {
      "nct_id": "NCT06608511",
      "title": "Liquid Biomarker Study in Melanoma and Non-Melanoma Skin Cancers",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Skin Cancer",
        "Melanoma (Skin Cancer)",
        "Basal Cell Carcinoma of Skin",
        "Basal Cell Carcinoma of Skin, Site Unspecified",
        "Cutaneous Squamous Cell Carcinoma (CSCC)",
        "Merkel Cell Carcinoma of Skin"
      ],
      "interventions": [
        {
          "name": "Blood draw for the laboratory assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2024-12-11",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-29",
      "last_synced_at": "2026-11-10T15:45:55.575Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06608511"
    },
    {
      "nct_id": "NCT00637481",
      "title": "A Phase I Prevention Study of Atorvastatin in Women at Increased Risk for Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Atypical Ductal Breast Hyperplasia",
        "Breast Cancer",
        "Ductal Breast Carcinoma in Situ",
        "Lobular Breast Carcinoma in Situ"
      ],
      "interventions": [
        {
          "name": "atorvastatin calcium",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "72 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 72 Years · Female only"
      },
      "enrollment_count": 66,
      "start_date": "2008-03",
      "completion_date": "2012-10",
      "has_results": false,
      "last_update_posted_date": "2016-12-29",
      "last_synced_at": "2026-11-10T15:45:55.575Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00637481"
    },
    {
      "nct_id": "NCT03865901",
      "title": "Protocol to Validate the Performance of the Mellitus Glycated CD59 ELISA for Gestational Diabetes Screening",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Gestational Diabetes"
      ],
      "interventions": [
        {
          "name": "Mellitus GCD59 Test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Mellitus, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2019-05",
      "completion_date": "2020-09",
      "has_results": false,
      "last_update_posted_date": "2019-09-17",
      "last_synced_at": "2026-11-10T15:45:55.575Z",
      "location_count": 19,
      "location_summary": "Birmingham, Alabama • Orange, California • Aurora, Colorado + 16 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Newark",
          "state": "Delaware"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03865901"
    },
    {
      "nct_id": "NCT01414712",
      "title": "Circulating Tumor Cells in Prostate Cancer Patients",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Blood Drawing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "MALE",
        "summary": "18 Years to 99 Years · Male only"
      },
      "enrollment_count": 2,
      "start_date": "2011-07",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2020-08-20",
      "last_synced_at": "2026-11-10T15:45:55.575Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01414712"
    },
    {
      "nct_id": "NCT06730100",
      "title": "CBX-12 for the Treatment of Metastatic Chemotherapy-Refractory Microsatellite Stable Colorectal Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Mismatch Repair Proficient Colorectal Carcinoma",
        "Refractory Mismatch Repair Proficient Colorectal Carcinoma",
        "Stage IV Colorectal Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "pH Low Insertion Peptide-exatecan Conjugate CBX-12",
          "type": "DRUG"
        },
        {
          "name": "X-Ray Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "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": 35,
      "start_date": "2025-09-11",
      "completion_date": "2026-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-11-03",
      "last_synced_at": "2026-11-10T15:45:55.575Z",
      "location_count": 15,
      "location_summary": "Irvine, California • Los Angeles, California • Orange, California + 11 more",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06730100"
    }
  ]
}