{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=sample+collection&page=29",
    "query": {
      "intervention": "sample collection",
      "page": 29
    },
    "page_size": 10
  },
  "pagination": {
    "page": 29,
    "page_size": 10,
    "total_count": 3665,
    "total_pages": 367,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=sample+collection&page=30&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=sample+collection&page=28&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-25T03:01:27.925Z",
  "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": "NCT04514484",
      "title": "Testing the Combination of the Anti-cancer Drugs XL184 (Cabozantinib) and Nivolumab in Patients With Advanced Cancer and HIV",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Advanced Differentiated Thyroid Gland Carcinoma",
        "Advanced Head and Neck Carcinoma",
        "Advanced Hepatocellular Carcinoma",
        "Advanced Kaposi Sarcoma",
        "Advanced Lung Non-Small Cell Carcinoma",
        "Advanced Lung Small Cell Carcinoma",
        "Advanced Malignant Solid Neoplasm",
        "Advanced Melanoma",
        "Advanced Ovarian Carcinoma",
        "Advanced Prostate Carcinoma",
        "Advanced Renal Cell Carcinoma",
        "Advanced Thyroid Gland Medullary Carcinoma",
        "Advanced Triple-Negative Breast Carcinoma",
        "Advanced Urothelial Carcinoma",
        "Anatomic Stage III Breast Cancer AJCC v8",
        "Anatomic Stage IV Breast Cancer AJCC v8",
        "Castration-Resistant Prostate Carcinoma",
        "Clinical Stage III Cutaneous Melanoma AJCC v8",
        "Clinical Stage IV Cutaneous Melanoma AJCC v8",
        "HIV Infection",
        "Metastatic Differentiated Thyroid Gland Carcinoma",
        "Metastatic Head and Neck Carcinoma",
        "Metastatic Hepatocellular Carcinoma",
        "Metastatic Kaposi Sarcoma",
        "Metastatic Lung Non-Small Cell Carcinoma",
        "Metastatic Lung Small Cell Carcinoma",
        "Metastatic Malignant Solid Neoplasm",
        "Metastatic Melanoma",
        "Metastatic Ovarian Carcinoma",
        "Metastatic Prostate Carcinoma",
        "Metastatic Renal Cell Carcinoma",
        "Metastatic Thyroid Gland Medullary Carcinoma",
        "Metastatic Triple-Negative Breast Carcinoma",
        "Metastatic Urothelial Carcinoma",
        "Recurrent Differentiated Thyroid Gland Carcinoma",
        "Recurrent Head and Neck Carcinoma",
        "Recurrent Hepatocellular Carcinoma",
        "Recurrent Kaposi Sarcoma",
        "Recurrent Lung Non-Small Cell Carcinoma",
        "Recurrent Lung Small Cell Carcinoma",
        "Recurrent Malignant Solid Neoplasm",
        "Recurrent Melanoma",
        "Recurrent Ovarian Carcinoma",
        "Recurrent Prostate Carcinoma",
        "Recurrent Renal Cell Carcinoma",
        "Recurrent Thyroid Gland Medullary Carcinoma",
        "Recurrent Triple-Negative Breast Carcinoma",
        "Recurrent Urothelial Carcinoma",
        "Refractory Differentiated Thyroid Gland Carcinoma",
        "Stage III Differentiated Thyroid Gland Carcinoma AJCC v8",
        "Stage III Hepatocellular Carcinoma AJCC v8",
        "Stage III Lung Cancer AJCC v8",
        "Stage III Ovarian Cancer AJCC v8",
        "Stage III Prostate Cancer AJCC v8",
        "Stage III Renal Cell Cancer AJCC v8",
        "Stage III Thyroid Gland Medullary Carcinoma AJCC v8",
        "Stage IV Differentiated Thyroid Gland Carcinoma AJCC v8",
        "Stage IV Hepatocellular Carcinoma AJCC v8",
        "Stage IV Lung Cancer AJCC v8",
        "Stage IV Ovarian Cancer AJCC v8",
        "Stage IV Prostate Cancer AJCC v8",
        "Stage IV Renal Cell Cancer AJCC v8",
        "Stage IV Thyroid Gland Medullary Carcinoma AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Cabozantinib S-malate",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Nivolumab",
          "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": 8,
      "start_date": "2021-11-22",
      "completion_date": "2027-02-06",
      "has_results": true,
      "last_update_posted_date": "2026-05-28",
      "last_synced_at": "2026-10-25T03:01:27.925Z",
      "location_count": 3,
      "location_summary": "Chicago, Illinois • The Bronx, New York • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04514484"
    },
    {
      "nct_id": "NCT01912547",
      "title": "Thromboelastography During Surgery for Malignant Pleural Mesothelioma",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Coagulopathy",
        "Mesothelioma"
      ],
      "interventions": [
        {
          "name": "Blood draw for TEG analysis",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2013-09",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2015-01-30",
      "last_synced_at": "2026-10-25T03:01:27.925Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01912547"
    },
    {
      "nct_id": "NCT03676647",
      "title": "Diagnostic DNA Methylation Signature in Diagnosing Thyroid Cancer After Fine-Needle Aspiration in Patients With Thyroid Nodules",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Thyroid Gland Nodule"
      ],
      "interventions": [
        {
          "name": "Diagnostic DNA Methylation Signature",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2027-01-01",
      "completion_date": "2028-09-25",
      "has_results": false,
      "last_update_posted_date": "2026-06-02",
      "last_synced_at": "2026-10-25T03:01:27.925Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03676647"
    },
    {
      "nct_id": "NCT03973840",
      "title": "Assessment of Blood From Men Receiving Oral TU in Various Collection Tubes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hypogonadism, Male"
      ],
      "interventions": [
        {
          "name": "Testosterone Undecanoate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Clarus Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "18 Years to 65 Years · Male only"
      },
      "enrollment_count": 13,
      "start_date": "2018-07-15",
      "completion_date": "2018-07-31",
      "has_results": false,
      "last_update_posted_date": "2019-07-09",
      "last_synced_at": "2026-10-25T03:01:27.925Z",
      "location_count": 1,
      "location_summary": "Northbrook, Illinois",
      "locations": [
        {
          "city": "Northbrook",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03973840"
    },
    {
      "nct_id": "NCT00937950",
      "title": "Gynaecological Follow-up of a Subset of 580299/008 (NCT00122681) Study Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Infections, Papillomavirus"
      ],
      "interventions": [
        {
          "name": "Gynaecological follow-up",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "GlaxoSmithKline",
      "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": 2022,
      "start_date": "2009-08-05",
      "completion_date": "2014-01-20",
      "has_results": true,
      "last_update_posted_date": "2019-10-29",
      "last_synced_at": "2026-10-25T03:01:27.925Z",
      "location_count": 18,
      "location_summary": "Clearwater, Florida • Miami, Florida • Honolulu, Hawaii + 14 more",
      "locations": [
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Wichita",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00937950"
    },
    {
      "nct_id": "NCT06696768",
      "title": "Clinical Trial of an Anti-cancer Drug, CA-4948 (Emavusertib), in Combination With Chemotherapy Treatment (FOLFOX Plus Bevacizumab) in Metastatic Colorectal Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Metastatic Colorectal Adenocarcinoma",
        "Stage III Colorectal Cancer AJCC v8",
        "Stage IV Colorectal Cancer AJCC v8",
        "Unresectable Colorectal Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Bevacizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Emavusertib",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Leucovorin Calcium",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "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": 24,
      "start_date": "2025-06-23",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-10-25T03:01:27.925Z",
      "location_count": 13,
      "location_summary": "Gainesville, Florida • Shiloh, Illinois • Fairway, Kansas + 8 more",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Shiloh",
          "state": "Illinois"
        },
        {
          "city": "Fairway",
          "state": "Kansas"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06696768"
    },
    {
      "nct_id": "NCT03027076",
      "title": "Microbiome of Urologic Chronic Pelvic Pain Syndrome",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostatitis",
        "Chronic Prostatitis",
        "Interstitial Cystitis",
        "Painful Bladder Syndrome",
        "Bladder Pain Syndrome"
      ],
      "interventions": [
        {
          "name": "Genitourinary Specimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Collect midstream urine samples",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 0,
      "start_date": "2013-11",
      "completion_date": "2015-01",
      "has_results": false,
      "last_update_posted_date": "2017-08-30",
      "last_synced_at": "2026-10-25T03:01:27.925Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03027076"
    },
    {
      "nct_id": "NCT04395391",
      "title": "Home Usability Study of the SARS-CoV-2 (COVID-19) Test",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "SARS-CoV-2",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Exact Sciences Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2020-05-18",
      "completion_date": "2020-06-16",
      "has_results": true,
      "last_update_posted_date": "2023-12-13",
      "last_synced_at": "2026-10-25T03:01:27.925Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04395391"
    },
    {
      "nct_id": "NCT03854474",
      "title": "Testing the Addition of Tazemetostat to the Immunotherapy Drug, Pembrolizumab (MK-3475), in Advanced Urothelial Carcinoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Locally Advanced Urothelial Carcinoma",
        "Metastatic Urothelial Carcinoma",
        "Stage III Bladder Cancer AJCC v8",
        "Stage IV Bladder Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Tazemetostat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "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": 30,
      "start_date": "2019-11-18",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-31",
      "last_synced_at": "2026-10-25T03:01:27.925Z",
      "location_count": 33,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Derby, Connecticut + 28 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Derby",
          "state": "Connecticut"
        },
        {
          "city": "Fairfield",
          "state": "Connecticut"
        },
        {
          "city": "Guilford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03854474"
    },
    {
      "nct_id": "NCT05455697",
      "title": "Tafasitamab, Retifanlimab, and Rituximab in Combination With Standard Therapy for the Treatment of Diffuse Large B-cell Lymphoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Diffuse Large B-Cell Lymphoma",
        "Grade 3b Follicular Lymphoma",
        "High Grade B-Cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Retifanlimab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Rituximab and Hyaluronidase Human",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Tafasitamab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Vincristine",
          "type": "DRUG"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Fludeoxyglucose F-18",
          "type": "OTHER"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Polatuzumab Vedotin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL",
        "OTHER"
      ],
      "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": 33,
      "start_date": "2023-01-26",
      "completion_date": "2027-01-07",
      "has_results": false,
      "last_update_posted_date": "2026-06-22",
      "last_synced_at": "2026-10-25T03:01:27.925Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05455697"
    }
  ]
}