{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=85",
    "query": {
      "intervention": "biospecimen Collection",
      "page": 85
    },
    "page_size": 10
  },
  "pagination": {
    "page": 85,
    "page_size": 10,
    "total_count": 3528,
    "total_pages": 353,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=86&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=84&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-11T14:58:13.095Z",
  "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": "NCT00866879",
      "title": "Randomized Conversion of Calcineurin-Inhibitors in Renal Allograft Recipients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Renal Transplant Rejection"
      ],
      "interventions": [
        {
          "name": "Sirolimus",
          "type": "DRUG"
        },
        {
          "name": "Demographic Data, Medical History, and Donor Data",
          "type": "OTHER"
        },
        {
          "name": "Blood Draws for Control Group",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood Draws for Experimental Group",
          "type": "PROCEDURE"
        },
        {
          "name": "Donor Blood Draws",
          "type": "PROCEDURE"
        },
        {
          "name": "Donor Information",
          "type": "OTHER"
        },
        {
          "name": "Kidney Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 275,
      "start_date": "2007-06",
      "completion_date": "2019-03",
      "has_results": true,
      "last_update_posted_date": "2019-06-28",
      "last_synced_at": "2026-11-11T14:58:13.095Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00866879"
    },
    {
      "nct_id": "NCT04513990",
      "title": "Novel Point-of-Care Diagnostic Test for SARS-CoV-2 (COVID-19)",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19 Infection"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 257,
      "start_date": "2020-04-09",
      "completion_date": "2023-04-30",
      "has_results": false,
      "last_update_posted_date": "2021-12-22",
      "last_synced_at": "2026-11-11T14:58:13.095Z",
      "location_count": 2,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04513990"
    },
    {
      "nct_id": "NCT01631903",
      "title": "Extension of Study ZPV-200",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Uterine Fibroids"
      ],
      "interventions": [
        {
          "name": "telepristone acetate 12 mg",
          "type": "DRUG"
        },
        {
          "name": "telepristone acetate 3 mg",
          "type": "DRUG"
        },
        {
          "name": "telepristone acetate 6 mg",
          "type": "DRUG"
        },
        {
          "name": "telepristone acetate 24 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Repros Therapeutics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "47 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 47 Years · Female only"
      },
      "enrollment_count": 48,
      "start_date": "2012-09",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2014-04-16",
      "last_synced_at": "2026-11-11T14:58:13.095Z",
      "location_count": 2,
      "location_summary": "Miami Gardens, Florida • Houston, Texas",
      "locations": [
        {
          "city": "Miami Gardens",
          "state": "Florida"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01631903"
    },
    {
      "nct_id": "NCT02551718",
      "title": "High Throughput Drug Sensitivity Assay and Genomics- Guided Treatment of Patients With Relapsed or Refractory Acute Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Recurrent Acute Leukemia of Ambiguous Lineage",
        "Recurrent Acute Lymphoblastic Leukemia",
        "Recurrent Acute Myeloid Leukemia",
        "Refractory Acute Lymphoblastic Leukemia",
        "Refractory Acute Myeloid Leukemia",
        "Refractory Acute Leukemia of Ambiguous Lineage"
      ],
      "interventions": [
        {
          "name": "Chemosensitivity Assay",
          "type": "OTHER"
        },
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        },
        {
          "name": "Gene Expression Analysis",
          "type": "GENETIC"
        },
        {
          "name": "Genetic Variation Analysis",
          "type": "GENETIC"
        },
        {
          "name": "In Vitro Sensitivity-Directed Chemotherapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "GENETIC",
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "3 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2015-09-11",
      "completion_date": "2021-05-13",
      "has_results": true,
      "last_update_posted_date": "2022-06-30",
      "last_synced_at": "2026-11-11T14:58:13.095Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02551718"
    },
    {
      "nct_id": "NCT05327010",
      "title": "Testing the Combination of the Anti-cancer Drugs ZEN003694 (ZEN-3694) and Talazoparib in Patients With Advanced Solid Tumors, The ComBET Trial",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Advanced Malignant Solid Neoplasm",
        "Metastatic Malignant Solid Neoplasm",
        "Unresectable Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "BET Bromodomain Inhibitor ZEN-3694",
          "type": "DRUG"
        },
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Diagnostic Imaging Testing",
          "type": "PROCEDURE"
        },
        {
          "name": "Talazoparib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "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": 88,
      "start_date": "2022-11-14",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-25",
      "last_synced_at": "2026-11-11T14:58:13.095Z",
      "location_count": 35,
      "location_summary": "Duarte, California • Irvine, California • La Jolla, California + 28 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05327010"
    },
    {
      "nct_id": "NCT04291950",
      "title": "Epigenetics of TNBC in Overweight and Obese Hispanic & Non-Hispanic White Women",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Triple Negative Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Needle core biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2022-08-30",
      "completion_date": "2025-08-30",
      "has_results": false,
      "last_update_posted_date": "2022-12-20",
      "last_synced_at": "2026-11-11T14:58:13.095Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04291950"
    },
    {
      "nct_id": "NCT03877250",
      "title": "Analysis of Biopsy Specimens to Study Responses to PD-1 or PD-L1 Therapies",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Non Small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Pre-Treatment Biopsy",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "On-Treatment Biopsy",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Biopsy at Disease Progression",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Peripheral Blood-Based Studies",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Memorial Sloan Kettering 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": 0,
      "start_date": "2019-03-08",
      "completion_date": "2020-08-26",
      "has_results": false,
      "last_update_posted_date": "2025-05-15",
      "last_synced_at": "2026-11-11T14:58:13.095Z",
      "location_count": 6,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 3 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03877250"
    },
    {
      "nct_id": "NCT02889978",
      "title": "The Circulating Cell-free Genome Atlas Study",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neoplasms",
        "Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "GRAIL, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "20 Years and older"
      },
      "enrollment_count": 15254,
      "start_date": "2016-08-04",
      "completion_date": "2024-03",
      "has_results": false,
      "last_update_posted_date": "2023-09-13",
      "last_synced_at": "2026-11-11T14:58:13.095Z",
      "location_count": 139,
      "location_summary": "Daphne, Alabama • Mobile, Alabama • Phoenix, Arizona + 105 more",
      "locations": [
        {
          "city": "Daphne",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02889978"
    },
    {
      "nct_id": "NCT06368817",
      "title": "A Study of Lower Radiotherapy Dose to Treat Children With CNS Germinoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Basal Ganglia Germinoma",
        "Diabetes Insipidus",
        "Germinoma",
        "Pineal Region Germinoma",
        "Suprasellar Germinoma",
        "Thalamic Germinoma"
      ],
      "interventions": [
        {
          "name": "3-Dimensional Conformal Proton Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "3-Dimensional Conformal Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Intensity-Modulated Proton Therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Lumbar Puncture",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Surgical Procedure",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "3 Years to 29 Years"
      },
      "enrollment_count": 240,
      "start_date": "2024-10-22",
      "completion_date": "2033-11-04",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-11-11T14:58:13.095Z",
      "location_count": 97,
      "location_summary": "Mobile, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 76 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06368817"
    },
    {
      "nct_id": "NCT04171960",
      "title": "Clinical Evaluation of the i-STAT TBI Test",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Traumatic Brain Injury"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Outcome assessments",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "Abbott Point of Care",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1106,
      "start_date": "2020-07-31",
      "completion_date": "2023-11-29",
      "has_results": false,
      "last_update_posted_date": "2026-10-29",
      "last_synced_at": "2026-11-11T14:58:13.095Z",
      "location_count": 21,
      "location_summary": "San Francisco, California • Denver, Colorado • Englewood, Colorado + 17 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Carmel",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04171960"
    }
  ]
}