{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Bio-specimen+samples&page=30",
    "query": {
      "intervention": "Bio-specimen samples",
      "page": 30
    },
    "page_size": 10
  },
  "pagination": {
    "page": 30,
    "page_size": 10,
    "total_count": 764,
    "total_pages": 77,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Bio-specimen+samples&page=31&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Bio-specimen+samples&page=29&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-28T13:39:54.893Z",
  "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": "NCT02743910",
      "title": "Monitoring Plasma Tumor DNA in Early-Stage Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "ptDNA",
          "type": "OTHER"
        },
        {
          "name": "Tissue sample",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 228,
      "start_date": "2016-07",
      "completion_date": "2026-03-02",
      "has_results": false,
      "last_update_posted_date": "2026-07-09",
      "last_synced_at": "2026-10-28T13:39:54.893Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02743910"
    },
    {
      "nct_id": "NCT06207864",
      "title": "Engagement of American Indians of Southwestern Tribal Nations in Cancer Genome Sequencing",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Malignant Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Return of Results",
          "type": "PROCEDURE"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "New Mexico Cancer Research Alliance",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1001,
      "start_date": "2022-03-22",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-20",
      "last_synced_at": "2026-10-28T13:39:54.893Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06207864"
    },
    {
      "nct_id": "NCT02809716",
      "title": "High Definition Single Cell Analysis in Colorectal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Metastatic Carcinoma in the Liver",
        "Stage IV Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2016-08-01",
      "completion_date": "2020-05-29",
      "has_results": false,
      "last_update_posted_date": "2023-08-14",
      "last_synced_at": "2026-10-28T13:39:54.893Z",
      "location_count": 6,
      "location_summary": "La Jolla, California • Los Angeles, California • Newport Beach, California + 1 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02809716"
    },
    {
      "nct_id": "NCT04268693",
      "title": "Bisphenol and Phthalate Exposures in Triple Negative Breast Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Triple Negative Breast Cancer"
      ],
      "interventions": [
        {
          "name": "urine collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "George Washington University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "21 Years and older · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2022-09",
      "completion_date": "2023-08",
      "has_results": false,
      "last_update_posted_date": "2022-11-17",
      "last_synced_at": "2026-10-28T13:39:54.893Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04268693"
    },
    {
      "nct_id": "NCT00830557",
      "title": "Collecting Medical Information and Tissue Samples From Patients With Pancreatic Cancer or Other Pancreatic Disorders",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Islet Cell Tumor",
        "Pancreatic Cancer",
        "Pancreatic Disease",
        "Acute Pancreatitis",
        "Chronic Pancreatitis",
        "Hereditary Pancreatitis",
        "Pancreatic Neuroendocrine Carcinoma",
        "Pancreatic Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "medical chart review",
          "type": "OTHER"
        },
        {
          "name": "survey administration",
          "type": "OTHER"
        },
        {
          "name": "biospecimen collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20000,
      "start_date": "2000-10-01",
      "completion_date": "2027-08-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-10-28T13:39:54.893Z",
      "location_count": 3,
      "location_summary": "Phoenix, Arizona • Jacksonville, Florida • Rochester, Minnesota",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00830557"
    },
    {
      "nct_id": "NCT06960798",
      "title": "Characterizing the Genomic Landscape of Cancer in Native American Populations (NAT-Geno)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer",
        "Renal Cell Carcinoma (RCC)"
      ],
      "interventions": [
        {
          "name": "Bio-specimen Collection",
          "type": "OTHER"
        },
        {
          "name": "Blood Draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "MALE",
        "summary": "18 Years to 100 Years · Male only"
      },
      "enrollment_count": 300,
      "start_date": "2026-11-02",
      "completion_date": "2029-10-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-13",
      "last_synced_at": "2026-10-28T13:39:54.893Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06960798"
    },
    {
      "nct_id": "NCT06606028",
      "title": "Tumor-Informed ctDNA Testing for MRD Following Treatment of Squamous Cell Carcinoma",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Squamous Cell Carcinoma of Head and Neck",
        "Squamous Cell Carcinoma Head and Neck Cancer (HNSCC)",
        "Squamous Cell Carcinoma of Skin",
        "Cutaneous Squamous Cell Carcinoma (CSCC)"
      ],
      "interventions": [
        {
          "name": "Blood Specimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Tumor Tissue Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Medical Record Review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 250,
      "start_date": "2024-10-09",
      "completion_date": "2029-12-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-12",
      "last_synced_at": "2026-10-28T13:39:54.893Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06606028"
    },
    {
      "nct_id": "NCT00898365",
      "title": "Study of Kidney Tumors in Younger Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Adult Cystic Nephroma",
        "Anaplastic Kidney Wilms Tumor",
        "Angiolipoma",
        "Cellular Congenital Mesoblastic Nephroma",
        "Classic Congenital Mesoblastic Nephroma",
        "Clear Cell Sarcoma of the Kidney",
        "Congenital Mesoblastic Nephroma",
        "Cystic Partially Differentiated Kidney Nephroblastoma",
        "Diffuse Hyperplastic Perilobar Nephroblastomatosis",
        "Extrarenal Rhabdoid Tumor",
        "Kidney Medullary Carcinoma",
        "Kidney Neoplasm",
        "Kidney Oncocytoma",
        "Kidney Wilms Tumor",
        "Metanephric Adenofibroma",
        "Metanephric Adenoma",
        "Metanephric Stromal Tumor",
        "Metanephric Tumor",
        "Mixed Congenital Mesoblastic Nephroma",
        "Ossifying Renal Tumor of Infancy",
        "Papillary Renal Cell Carcinoma",
        "Renal Cell Carcinoma",
        "Renal Cell Carcinoma Associated With Xp11.2 Translocations/TFE3 Gene Fusions",
        "Rhabdoid Tumor of the Kidney",
        "Wilms Tumor"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "Up to 29 Years"
      },
      "enrollment_count": 8000,
      "start_date": "2006-02-27",
      "completion_date": "2026-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-18",
      "last_synced_at": "2026-10-28T13:39:54.893Z",
      "location_count": 214,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 153 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00898365"
    },
    {
      "nct_id": "NCT00919269",
      "title": "Collecting and Storing Tissue, Blood, and Bone Marrow Samples From Patients With Rhabdomyosarcoma or Other Soft Tissue Sarcoma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Adult Rhabdomyosarcoma",
        "Childhood Desmoplastic Small Round Cell Tumor",
        "Chordoma",
        "Desmoid-Type Fibromatosis",
        "Metastatic Childhood Soft Tissue Sarcoma",
        "Non-Metastatic Childhood Soft Tissue Sarcoma",
        "Previously Treated Childhood Rhabdomyosarcoma",
        "Recurrent Adult Soft Tissue Sarcoma",
        "Recurrent Childhood Rhabdomyosarcoma",
        "Recurrent Childhood Soft Tissue Sarcoma",
        "Rhabdomyosarcoma",
        "Stage I Adult Soft Tissue Sarcoma AJCC v7",
        "Stage II Adult Soft Tissue Sarcoma AJCC v7",
        "Stage III Adult Soft Tissue Sarcoma AJCC v7",
        "Stage IV Adult Soft Tissue Sarcoma AJCC v7",
        "Untreated Childhood Rhabdomyosarcoma"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "Up to 50 Years"
      },
      "enrollment_count": 150,
      "start_date": "1999-03-15",
      "completion_date": "2023-09-30",
      "has_results": false,
      "last_update_posted_date": "2023-10-03",
      "last_synced_at": "2026-10-28T13:39:54.893Z",
      "location_count": 214,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 149 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00919269"
    },
    {
      "nct_id": "NCT01445327",
      "title": "Predictors of Tumor Response and of Radiation Therapy Side Effects in Patients With Gastrointestinal Cancers",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Esophageal Cancer",
        "Stomach Cancer",
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "Specimen collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 9,
      "start_date": "2007-02-20",
      "completion_date": "2014-05-22",
      "has_results": true,
      "last_update_posted_date": "2022-02-01",
      "last_synced_at": "2026-10-28T13:39:54.893Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01445327"
    }
  ]
}