{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biological+Samples&page=11",
    "query": {
      "intervention": "Biological Samples",
      "page": 11
    },
    "page_size": 10
  },
  "pagination": {
    "page": 11,
    "page_size": 10,
    "total_count": 540,
    "total_pages": 54,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biological+Samples&page=12&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biological+Samples&page=10&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-02T06:40:40.583Z",
  "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": "NCT01706432",
      "title": "Hypofractionated Image Guided Radiation Therapy in Treating Patients With Stage IV Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Central Nervous System Metastases",
        "Invasive Ductal Breast Carcinoma",
        "Invasive Ductal Breast Carcinoma With Predominant Intraductal Component",
        "Invasive Lobular Breast Carcinoma",
        "Invasive Lobular Breast Carcinoma With Predominant in Situ Component",
        "Liver Metastases",
        "Lobular Breast Carcinoma in Situ",
        "Lung Metastases",
        "Male Breast Cancer",
        "Medullary Ductal Breast Carcinoma With Lymphocytic Infiltrate",
        "Mucinous Ductal Breast Carcinoma",
        "Papillary Ductal Breast Carcinoma",
        "Recurrent Breast Cancer",
        "Stage IV Breast Cancer",
        "Tubular Ductal Breast Carcinoma",
        "Tumors Metastatic to Brain"
      ],
      "interventions": [
        {
          "name": "hyperfractionated radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "stereotactic radiosurgery",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2009-06-15",
      "completion_date": "2024-01-22",
      "has_results": false,
      "last_update_posted_date": "2024-07-31",
      "last_synced_at": "2026-11-02T06:40:40.583Z",
      "location_count": 1,
      "location_summary": "North Chicago, Illinois",
      "locations": [
        {
          "city": "North Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01706432"
    },
    {
      "nct_id": "NCT05117541",
      "title": "Social-environmental, Psychosocial, Behavioral, Clinical and Biological Drivers of Disparities in Liver Disease Progression Among Korean American With Chronic Hepatitis B Infection",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Viral Hepatitis",
        "Hepatitis B Infection"
      ],
      "interventions": [
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 365,
      "start_date": "2021-08-02",
      "completion_date": "2026-03-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-22",
      "last_synced_at": "2026-11-02T06:40:40.583Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05117541"
    },
    {
      "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": "2026-11-02T06:40:40.583Z",
      "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": "NCT06742944",
      "title": "Draw-10: A Weekly Blood Draw Study to Understand the Biological Variability of Plasma pTau-217",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alzheimer Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Banner Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 100,
      "start_date": "2025-01-27",
      "completion_date": "2025-11-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-09",
      "last_synced_at": "2026-11-02T06:40:40.583Z",
      "location_count": 2,
      "location_summary": "Phoenix, Arizona • Tucson, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06742944"
    },
    {
      "nct_id": "NCT05879250",
      "title": "WP1066 and Radiation Therapy in Treating Patients With Newly Diagnosed Glioblastoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Glioblastoma, IDH-Wildtype",
        "MGMT-Unmethylated Glioblastoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "STAT3 Inhibitor WP1066",
          "type": "DRUG"
        },
        {
          "name": "Surgical Procedure",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION",
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 39,
      "start_date": "2024-05-22",
      "completion_date": "2028-12-27",
      "has_results": false,
      "last_update_posted_date": "2026-07-22",
      "last_synced_at": "2026-11-02T06:40:40.583Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Warrenville, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Warrenville",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05879250"
    },
    {
      "nct_id": "NCT03970096",
      "title": "Graft Versus Host Disease-Reduction Strategies for Donor Blood Stem Cell Transplant Patients With Acute Leukemia or Myelodysplastic Syndrome (MDS)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Leukemia",
        "Acute Lymphoblastic Leukemia",
        "Acute Myeloid Leukemia",
        "Myelodysplastic Syndrome",
        "Myeloproliferative Neoplasm"
      ],
      "interventions": [
        {
          "name": "Total-Body Irradiation",
          "type": "RADIATION"
        },
        {
          "name": "Thiotepa",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "Allogeneic CD34+-enriched and CD45RA-depleted PBSCs",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Peripheral Blood Stem Cell",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "Sirolimus",
          "type": "DRUG"
        },
        {
          "name": "Busulfan",
          "type": "DRUG"
        },
        {
          "name": "Bone Marrow Aspiration and Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography",
          "type": "PROCEDURE"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG",
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "1 Year to 60 Years"
      },
      "enrollment_count": 120,
      "start_date": "2019-11-19",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-20",
      "last_synced_at": "2026-11-02T06:40:40.583Z",
      "location_count": 3,
      "location_summary": "Tampa, Florida • Pittsburgh, Pennsylvania • Seattle, Washington",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03970096"
    },
    {
      "nct_id": "NCT01561924",
      "title": "Prediction of the Efficacy of Activated Recombinant Human Factor VII in Adult Congenital Haemophilia A or B Patients With Inhibitors by Use of Thromboelastography",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Congenital Bleeding Disorder",
        "Haemophilia A With Inhibitors",
        "Haemophilia B With Inhibitors"
      ],
      "interventions": [
        {
          "name": "eptacog alfa (activated)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novo Nordisk A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "16 Years and older · Male only"
      },
      "enrollment_count": 17,
      "start_date": "2005-11",
      "completion_date": "2006-05",
      "has_results": false,
      "last_update_posted_date": "2016-11-23",
      "last_synced_at": "2026-11-02T06:40:40.583Z",
      "location_count": 4,
      "location_summary": "Berkeley, California • Los Angeles, California • Iowa City, Iowa + 1 more",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01561924"
    },
    {
      "nct_id": "NCT07137416",
      "title": "Testing the Safety of the Combination of Anti-Cancer Drugs CX-5461 (Pidnarulex) and Trastuzumab Deruxtecan (T-DXd) for Human Epidermal Growth Factor Receptor 2 (HER2)-Positive Solid Tumors and Breast Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Anatomic Stage III Breast Cancer AJCC v8",
        "Anatomic Stage IV Breast Cancer AJCC v8",
        "Invasive Breast Carcinoma",
        "Locally Advanced Breast Carcinoma",
        "Metastatic Breast Carcinoma",
        "Metastatic HER2-Low Breast Carcinoma",
        "Metastatic HER2-Positive Breast Carcinoma",
        "Metastatic Hormone Receptor-Positive Breast Carcinoma",
        "Metastatic Malignant Solid Neoplasm",
        "Metastatic Triple-Negative Breast Carcinoma",
        "Unresectable Breast Carcinoma",
        "Unresectable HER2-Low Breast Carcinoma",
        "Unresectable HER2-Positive Breast Carcinoma",
        "Unresectable Hormone Receptor-Positive Breast Carcinoma",
        "Unresectable Malignant Solid Neoplasm",
        "Unresectable Triple-Negative Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Pidnarulex",
          "type": "DRUG"
        },
        {
          "name": "Radiologic Imaging Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Trastuzumab Deruxtecan",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL"
      ],
      "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": 36,
      "start_date": "2026-10-06",
      "completion_date": "2028-01-10",
      "has_results": false,
      "last_update_posted_date": "2026-10-16",
      "last_synced_at": "2026-11-02T06:40:40.583Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • St Louis, Missouri",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07137416"
    },
    {
      "nct_id": "NCT00898313",
      "title": "Molecular Predictors of Cancer in Patients at High Risk of Lung Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "comparative genomic hybridization",
          "type": "GENETIC"
        },
        {
          "name": "gene expression microarray analysis",
          "type": "GENETIC"
        },
        {
          "name": "proteomic profiling analysis",
          "type": "GENETIC"
        },
        {
          "name": "biologic sample preservation procedure",
          "type": "OTHER"
        },
        {
          "name": "nasal brushing",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Urine collection",
          "type": "PROCEDURE"
        },
        {
          "name": "sputum sample",
          "type": "PROCEDURE"
        },
        {
          "name": "fluorescence bronchoscopy with airway biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "fine needle aspiration of the lung",
          "type": "PROCEDURE"
        },
        {
          "name": "thoracentesis",
          "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": 4000,
      "start_date": "2003-12",
      "completion_date": "2027-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-27",
      "last_synced_at": "2026-11-02T06:40:40.583Z",
      "location_count": 2,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00898313"
    },
    {
      "nct_id": "NCT07045727",
      "title": "Prehabilitation With Aerobic and Resistance Exercise for Improving Physical Fitness and Quality of Life Outcomes in Older Patients Undergoing CAR-T Therapy for Relapsed or Refractory Multiple Myeloma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Recurrent Multiple Myeloma",
        "Refractory Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "Accelerometry",
          "type": "PROCEDURE"
        },
        {
          "name": "Aerobic Exercise",
          "type": "OTHER"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        },
        {
          "name": "Exercise Counseling",
          "type": "OTHER"
        },
        {
          "name": "Internet-Based Intervention",
          "type": "OTHER"
        },
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Physical Performance Testing",
          "type": "OTHER"
        },
        {
          "name": "Resistance Training",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Tailored Intervention",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2025-08-18",
      "completion_date": "2026-06-16",
      "has_results": false,
      "last_update_posted_date": "2026-07-01",
      "last_synced_at": "2026-11-02T06:40:40.583Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07045727"
    }
  ]
}