{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biological+Samples&page=10",
    "query": {
      "intervention": "Biological Samples",
      "page": 10
    },
    "page_size": 10
  },
  "pagination": {
    "page": 10,
    "page_size": 10,
    "total_count": 540,
    "total_pages": 54,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biological+Samples&page=11&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biological+Samples&page=9&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-02T09:25:21.469Z",
  "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": "NCT04530552",
      "title": "Testing the Effects of Low Dose Apalutamide on Prostate-Specific Antigen (PSA) Levels in Men Scheduled for Removal of the Prostate Gland",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Localized Prostate Carcinoma",
        "Prostate Adenocarcinoma",
        "Stage I Prostate Cancer AJCC v8",
        "Stage II Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Apalutamide",
          "type": "DRUG"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 34,
      "start_date": "2021-07-23",
      "completion_date": "2026-05-28",
      "has_results": true,
      "last_update_posted_date": "2026-06-25",
      "last_synced_at": "2026-11-02T09:25:21.469Z",
      "location_count": 5,
      "location_summary": "Tucson, Arizona • Los Angeles, California • Washington D.C., District of Columbia + 2 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04530552"
    },
    {
      "nct_id": "NCT03250832",
      "title": "Study of TSR-033 With an Anti-programmed Cell Death-1 Receptor (PD-1) in Participants With Advanced Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Neoplasms"
      ],
      "interventions": [
        {
          "name": "TSR-033",
          "type": "DRUG"
        },
        {
          "name": "Dostarlimab",
          "type": "DRUG"
        },
        {
          "name": "mFOLFOX6",
          "type": "DRUG"
        },
        {
          "name": "FOLFIRI",
          "type": "DRUG"
        },
        {
          "name": "Bevacizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tesaro, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 111,
      "start_date": "2017-08-08",
      "completion_date": "2023-02-13",
      "has_results": true,
      "last_update_posted_date": "2024-04-11",
      "last_synced_at": "2026-11-02T09:25:21.469Z",
      "location_count": 11,
      "location_summary": "Los Angeles, California • Whittier, California • Sarasota, Florida + 8 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Whittier",
          "state": "California"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03250832"
    },
    {
      "nct_id": "NCT06569316",
      "title": "Genetic Testing for the Prevention of Cancer in American Indian Communities (JUNIPER Trial)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hematopoietic and Lymphatic System Neoplasm",
        "Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Communication Intervention",
          "type": "OTHER"
        },
        {
          "name": "Genetic Testing",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "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": 300,
      "start_date": "2024-09-27",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-29",
      "last_synced_at": "2026-11-02T09:25:21.469Z",
      "location_count": 1,
      "location_summary": "Scottsdale, Arizona",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06569316"
    },
    {
      "nct_id": "NCT05092958",
      "title": "Testing the Addition of the Anti-cancer Drug, Cabozantinib, to the Usual Immunotherapy Treatment, Avelumab, in Patients With Metastatic Urothelial Cancer, MAIN-CAV Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Advanced Bladder Urothelial Carcinoma",
        "Advanced Renal Pelvis Urothelial Carcinoma",
        "Advanced Ureter Urothelial Carcinoma",
        "Advanced Urethral Urothelial Carcinoma",
        "Metastatic Bladder Urothelial Carcinoma",
        "Metastatic Renal Pelvis Urothelial Carcinoma",
        "Metastatic Ureter Urothelial Carcinoma",
        "Metastatic Urethral Urothelial Carcinoma",
        "Stage III Bladder Cancer AJCC v8",
        "Stage III Renal Pelvis and Ureter Cancer AJCC v8",
        "Stage III Renal Pelvis Cancer AJCC v8",
        "Stage III Ureter Cancer AJCC v8",
        "Stage III Urethral Cancer AJCC v8",
        "Stage IV Bladder Cancer AJCC v8",
        "Stage IV Renal Pelvis and Ureter Cancer AJCC v8",
        "Stage IV Renal Pelvis Cancer AJCC v8",
        "Stage IV Ureter Cancer AJCC v8",
        "Stage IV Urethral Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Avelumab",
          "type": "DRUG"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Cabozantinib S-malate",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "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": 654,
      "start_date": "2022-06-03",
      "completion_date": "2029-07-15",
      "has_results": false,
      "last_update_posted_date": "2026-10-26",
      "last_synced_at": "2026-11-02T09:25:21.469Z",
      "location_count": 271,
      "location_summary": "Phoenix, Arizona • Auburn, California • Berkeley, California + 214 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Auburn",
          "state": "California"
        },
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Fremont",
          "state": "California"
        },
        {
          "city": "Modesto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05092958"
    },
    {
      "nct_id": "NCT00900484",
      "title": "SWOG-8819 Collecting, Analyzing, and Storing Tissue Samples From Patients With Non-Hodgkin's Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "biologic sample preservation procedure",
          "type": "OTHER"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "SWOG Cancer Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 458,
      "start_date": "1989-02",
      "completion_date": "2011-10",
      "has_results": false,
      "last_update_posted_date": "2013-05-20",
      "last_synced_at": "2026-11-02T09:25:21.469Z",
      "location_count": 191,
      "location_summary": "Anchorage, Alaska • Berkeley, California • Burlingame, California + 127 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Burlingame",
          "state": "California"
        },
        {
          "city": "Fairfield",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00900484"
    },
    {
      "nct_id": "NCT05169658",
      "title": "Mosunetuzumab With or Without Polatuzumab Vedotin and Obinutuzumab for the Treatment of Untreated Indolent B-Cell Non-Hodgkin Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Non-Hodgkin Lymphoma",
        "Grade 1 Follicular Lymphoma",
        "Grade 2 Follicular Lymphoma",
        "Grade 3a Follicular Lymphoma",
        "Indolent B-Cell Non-Hodgkin Lymphoma",
        "Marginal Zone Lymphoma",
        "Recurrent Extranodal Marginal Zone Lymphoma of Mucosa-Associated Lymphoid Tissue",
        "Refractory Extranodal Marginal Zone Lymphoma of Mucosa-Associated Lymphoid Tissue"
      ],
      "interventions": [
        {
          "name": "Mosunetuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Obinutuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Polatuzumab Vedotin",
          "type": "DRUG"
        },
        {
          "name": "FDG-Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 42,
      "start_date": "2022-03-23",
      "completion_date": "2025-04-02",
      "has_results": true,
      "last_update_posted_date": "2026-05-13",
      "last_synced_at": "2026-11-02T09:25:21.469Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05169658"
    },
    {
      "nct_id": "NCT06067269",
      "title": "Hormone Therapy (Apalutamide) and Image-guided Stereotactic Body Radiation Therapy for the Treatment of Patients With Prostate Cancer, HEATWAVE Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Adenocarcinoma",
        "Stage II Prostate Cancer AJCC v8",
        "Stage IIIA Prostate Cancer AJCC v8",
        "Stage IIIB Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Apalutamide",
          "type": "DRUG"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Gallium Ga 68 Gozetotide",
          "type": "OTHER"
        },
        {
          "name": "Guided Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Multiparametric Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "Jonsson Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 95,
      "start_date": "2024-03-28",
      "completion_date": "2027-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-17",
      "last_synced_at": "2026-11-02T09:25:21.469Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06067269"
    },
    {
      "nct_id": "NCT05112601",
      "title": "Testing Nivolumab With or Without Ipilimumab in Deficient Mismatch Repair System (dMMR) Recurrent Endometrial Carcinoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Endometrial Adenocarcinoma",
        "Endometrial Clear Cell Adenocarcinoma",
        "Endometrial Dedifferentiated Carcinoma",
        "Endometrial Endometrioid Adenocarcinoma",
        "Endometrial Mixed Cell Adenocarcinoma",
        "Endometrial Mucinous Adenocarcinoma",
        "Endometrial Undifferentiated Carcinoma",
        "Endometrioid Adenocarcinoma",
        "Recurrent Endometrial Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 81,
      "start_date": "2022-06-02",
      "completion_date": "2032-07-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-28",
      "last_synced_at": "2026-11-02T09:25:21.469Z",
      "location_count": 138,
      "location_summary": "Birmingham, Alabama • Athens, Georgia • Augusta, Georgia + 107 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Athens",
          "state": "Georgia"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Boise",
          "state": "Idaho"
        },
        {
          "city": "Boise",
          "state": "Idaho"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05112601"
    },
    {
      "nct_id": "NCT02415842",
      "title": "A Laboratory Evaluation of the Humoral Immune Response in Adults and Children to the H1 Hemagglutinin (HA) Stalk Domain and Other Influenza A Virus Protein Epitopes, After Administration of GlaxoSmithKline (GSK) Biologicals' Pandemic Influenza Vaccines",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Immunologic Tests"
      ],
      "interventions": [
        {
          "name": "Serum samples",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "6 Months to 64 Years"
      },
      "enrollment_count": 414,
      "start_date": "2015-10-26",
      "completion_date": "2018-02-16",
      "has_results": true,
      "last_update_posted_date": "2019-07-23",
      "last_synced_at": "2026-11-02T09:25:21.469Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02415842"
    },
    {
      "nct_id": "NCT00898872",
      "title": "SWOG-9245 Collecting and Storing Tissue Samples From Patients With Relapsed or Recurrent Non-Hodgkin Lymphoma After Treatment on a Southwest Oncology Group Clinical Trial",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "cryopreservation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "SWOG Cancer Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "1993-03",
      "completion_date": "2011-07",
      "has_results": false,
      "last_update_posted_date": "2013-05-20",
      "last_synced_at": "2026-11-02T09:25:21.469Z",
      "location_count": 82,
      "location_summary": "Anchorage, Alaska • Atlanta, Georgia • Austell, Georgia + 51 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00898872"
    }
  ]
}