{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=80",
    "query": {
      "intervention": "biospecimen Collection",
      "page": 80
    },
    "page_size": 10
  },
  "pagination": {
    "page": 80,
    "page_size": 10,
    "total_count": 3528,
    "total_pages": 353,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=81&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=79&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-11T21:04:42.658Z",
  "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": "NCT03533582",
      "title": "Cisplatin and Combination Chemotherapy in Treating Children and Young Adults With Hepatoblastoma or Liver Cancer After Surgery",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Childhood Hepatocellular Carcinoma",
        "Childhood Malignant Liver Neoplasm",
        "Fibrolamellar Carcinoma",
        "Hepatoblastoma",
        "Hepatocellular Malignant Neoplasm, Not Otherwise Specified"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        },
        {
          "name": "Irinotecan",
          "type": "DRUG"
        },
        {
          "name": "Oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "Patient Observation",
          "type": "OTHER"
        },
        {
          "name": "Resection",
          "type": "PROCEDURE"
        },
        {
          "name": "Sorafenib",
          "type": "DRUG"
        },
        {
          "name": "Vincristine Sulfate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "Up to 30 Years"
      },
      "enrollment_count": 537,
      "start_date": "2018-05-24",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-11-11T21:04:42.658Z",
      "location_count": 180,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Mesa, Arizona + 134 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03533582"
    },
    {
      "nct_id": "NCT03688347",
      "title": "Microbiome in Lung Cancer and Other Malignancies",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer",
        "Cancer",
        "Malignancy"
      ],
      "interventions": [
        {
          "name": "Nasal Swab",
          "type": "PROCEDURE"
        },
        {
          "name": "Oral Swab",
          "type": "PROCEDURE"
        },
        {
          "name": "Stool Collection",
          "type": "OTHER"
        },
        {
          "name": "Microbiome analysis",
          "type": "GENETIC"
        },
        {
          "name": "DNA Banking",
          "type": "GENETIC"
        },
        {
          "name": "Skin Swab",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "GENETIC"
      ],
      "sponsor": "Taher Abu Hejleh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 44,
      "start_date": "2018-08-30",
      "completion_date": "2022-05-09",
      "has_results": false,
      "last_update_posted_date": "2022-05-11",
      "last_synced_at": "2026-11-11T21:04:42.658Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03688347"
    },
    {
      "nct_id": "NCT00286026",
      "title": "Azithromycin in Control of Trachoma II",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Trachoma"
      ],
      "interventions": [
        {
          "name": "Azithromycin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 0,
      "start_date": "2005-06",
      "completion_date": "2009-08",
      "has_results": false,
      "last_update_posted_date": "2012-04-16",
      "last_synced_at": "2026-11-11T21:04:42.658Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00286026"
    },
    {
      "nct_id": "NCT05757076",
      "title": "Aldosterone Renin Ratio (ARR) Test to Increase Case-detection of Primary Aldosteronism (PA)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Primary Aldosteronism"
      ],
      "interventions": [
        {
          "name": "Blood test for ARR",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 53,
      "start_date": "2023-05-02",
      "completion_date": "2025-12-29",
      "has_results": false,
      "last_update_posted_date": "2026-02-23",
      "last_synced_at": "2026-11-11T21:04:42.658Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05757076"
    },
    {
      "nct_id": "NCT06210698",
      "title": "Angioedema Biomarker Research Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Angioedema",
        "Angioedemas, Hereditary",
        "Urticaria",
        "Mastocytosis",
        "ACE Inhibitor-Induced Angioedema",
        "C1 Inhibitor Deficiency",
        "Systemic Mastocytoses",
        "Indolent Systemic Mastocytosis"
      ],
      "interventions": [
        {
          "name": "Venipuncture",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Foundation For Rare Disease Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "12 Years to 75 Years"
      },
      "enrollment_count": 600,
      "start_date": "2024-01-15",
      "completion_date": "2027-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-24",
      "last_synced_at": "2026-11-11T21:04:42.658Z",
      "location_count": 1,
      "location_summary": "Wheaton, Maryland",
      "locations": [
        {
          "city": "Wheaton",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06210698"
    },
    {
      "nct_id": "NCT06291493",
      "title": "Precision Study Measuring Potassium (K) in Capillary Specimens",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Precision of Potassium (K) Test in Capillary Whole Blood"
      ],
      "interventions": [
        {
          "name": "Fingerstick blood draw",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Abbott Point of Care",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 161,
      "start_date": "2024-05-07",
      "completion_date": "2024-09-13",
      "has_results": false,
      "last_update_posted_date": "2026-10-29",
      "last_synced_at": "2026-11-11T21:04:42.658Z",
      "location_count": 3,
      "location_summary": "Baltimore, Maryland • Hershey, Pennsylvania • Redmond, Washington",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        },
        {
          "city": "Redmond",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06291493"
    },
    {
      "nct_id": "NCT04902833",
      "title": "Acquired Pyruvate Kinase Deficiency In Clonal Myeloid Neoplasms",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pyruvate Kinase Deficiency",
        "Pyruvate Kinase Deficiency Anemia",
        "Hereditary Hemolytic Anemia",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Neoplasm",
        "Clonal Myeloid Neoplasm",
        "Myeloproliferative Neoplasm",
        "Acute Myeloid Leukemia",
        "Clonal Cytopenia of Undetermined Significance",
        "Other Clonal Myeloid Neoplasm",
        "Unexplained Coombs-negative Non-immune Hemolytic Anemia"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2022-02-01",
      "completion_date": "2026-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-19",
      "last_synced_at": "2026-11-11T21:04:42.658Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04902833"
    },
    {
      "nct_id": "NCT06211335",
      "title": "Losartan, Pembrolizumab and Stereotactic Body Radiation Therapy for the Treatment of Patients With Locally Recurrent, Refractory or Oligometastatic Head and Neck Squamous Cell Carcinoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Locally Recurrent Head and Neck Squamous Cell Carcinoma",
        "Metastatic Head and Neck Squamous Cell Carcinoma",
        "Refractory Head and Neck Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Losartan",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "RADIATION"
      ],
      "sponsor": "University of California, Davis",
      "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": "2023-12-07",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-03-12",
      "last_synced_at": "2026-11-11T21:04:42.658Z",
      "location_count": 2,
      "location_summary": "Sacramento, California • Aurora, Colorado",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06211335"
    },
    {
      "nct_id": "NCT03477968",
      "title": "ThRombosis ExclUsion STudy",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Deep Venous Thromboses",
        "Pulmonary Embolism",
        "Venous Thromboembolism"
      ],
      "interventions": [
        {
          "name": "DDimer test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Diagnostica Stago",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "Up to 79 Years"
      },
      "enrollment_count": 5935,
      "start_date": "2018-06-25",
      "completion_date": "2024-09-05",
      "has_results": true,
      "last_update_posted_date": "2025-02-25",
      "last_synced_at": "2026-11-11T21:04:42.658Z",
      "location_count": 12,
      "location_summary": "New Haven, Connecticut • Chicago, Illinois • Indianapolis, Indiana + 9 more",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Campbellsville",
          "state": "Kentucky"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03477968"
    },
    {
      "nct_id": "NCT04804644",
      "title": "Testing if High Dose Radiation Only to the Sites of Brain Cancer Compared to Whole Brain Radiation That Avoids the Hippocampus is Better at Preventing Loss of Memory and Thinking Ability",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Metastatic Lung Small Cell Carcinoma",
        "Metastatic Malignant Neoplasm in the Brain",
        "Recurrent Lung Small Cell Carcinoma",
        "Stage IV Lung Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Memantine Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Neurocognitive Assessment",
          "type": "OTHER"
        },
        {
          "name": "Stereotactic Radiosurgery",
          "type": "RADIATION"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Whole-Brain Radiotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "NRG Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 152,
      "start_date": "2021-06-08",
      "completion_date": "2031-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-11-11T21:04:42.658Z",
      "location_count": 227,
      "location_summary": "Phoenix, Arizona • Anaheim, California • Bellflower, California + 172 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Bellflower",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04804644"
    }
  ]
}