{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Bio-Specimen+Collection&page=11",
    "query": {
      "intervention": "Bio-Specimen Collection",
      "page": 11
    },
    "page_size": 10
  },
  "pagination": {
    "page": 11,
    "page_size": 10,
    "total_count": 2325,
    "total_pages": 233,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Bio-Specimen+Collection&page=12&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Bio-Specimen+Collection&page=10&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-06T15:26:08.402Z",
  "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": "NCT00946400",
      "title": "Validating 4Ts for Heparin Induced Thrombocytopenia (HIT)",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heparin-Induced Thrombocytopenia"
      ],
      "interventions": [
        {
          "name": "Scoring 4Ts and Chong scale",
          "type": "OTHER"
        },
        {
          "name": "Blood draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Medstar Health Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2009-08",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2009-07-27",
      "last_synced_at": "2026-11-06T15:26:08.402Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00946400"
    },
    {
      "nct_id": "NCT02457663",
      "title": "Identification and Validation of Biomarkers for Infections in Burns",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Burns Involving 20% or More of Body Surface"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "The University of Texas Medical Branch, Galveston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 19,
      "start_date": "2015-04",
      "completion_date": "2019-07-11",
      "has_results": false,
      "last_update_posted_date": "2019-09-24",
      "last_synced_at": "2026-11-06T15:26:08.402Z",
      "location_count": 3,
      "location_summary": "Dallas, Texas • Fort Sam Houston, Texas • Houston, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Fort Sam Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02457663"
    },
    {
      "nct_id": "NCT06764095",
      "title": "Enfortumab Vedotin and Pembrolizumab With Cystectomy and/or Ureterectomy for Locally Advanced or Metastatic Bladder and Upper Urothelial Tract Cancer, CAST-AI Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Locally Advanced Bladder Urothelial Carcinoma",
        "Locally Advanced Renal Pelvis and Ureter Urothelial Carcinoma",
        "Metastatic Bladder Urothelial Carcinoma",
        "Metastatic Renal Pelvis and Ureter Urothelial Carcinoma",
        "Stage III Bladder Cancer AJCC v8",
        "Stage IV Bladder Cancer AJCC v8",
        "Stage IV Renal Pelvis and Ureter Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Cystectomy",
          "type": "PROCEDURE"
        },
        {
          "name": "Enfortumab Vedotin",
          "type": "DRUG"
        },
        {
          "name": "Local Therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Ureterectomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL",
        "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": 75,
      "start_date": "2025-01-08",
      "completion_date": "2032-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-11-06T15:26:08.402Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06764095"
    },
    {
      "nct_id": "NCT06575296",
      "title": "Revumenib for the Treatment of Acute Leukemia in Patients Post-Allogeneic Stem Cell Transplant",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acute Leukemia",
        "Acute Leukemia of Ambiguous Lineage",
        "Acute Lymphoblastic Leukemia",
        "Acute Myeloid Leukemia",
        "Childhood Acute Leukemia",
        "Childhood Acute Leukemia of Ambiguous Lineage",
        "Childhood Acute Lymphoblastic Leukemia",
        "Childhood Acute Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography",
          "type": "PROCEDURE"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Revumenib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 27,
      "start_date": "2024-12-31",
      "completion_date": "2028-04-29",
      "has_results": false,
      "last_update_posted_date": "2026-10-19",
      "last_synced_at": "2026-11-06T15:26:08.402Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06575296"
    },
    {
      "nct_id": "NCT06173362",
      "title": "Abiraterone and Prednisone or Darolutamide for the Treatment of Advanced Prostate Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Advanced Prostate Adenocarcinoma",
        "Stage III Prostate Cancer AJCC v8",
        "Stage IV Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Abiraterone",
          "type": "DRUG"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Darolutamide",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of California, Davis",
      "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": 75,
      "start_date": "2023-11-09",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-03-13",
      "last_synced_at": "2026-11-06T15:26:08.402Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06173362"
    },
    {
      "nct_id": "NCT01719146",
      "title": "Prospective Observational Study of Erythropoietin-Iron Interaction in Anemia of Renal Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Anemia of End Stage Renal Disease"
      ],
      "interventions": [
        {
          "name": "Specimen collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Louisville",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 134,
      "start_date": "2013-01",
      "completion_date": "2021-06-05",
      "has_results": false,
      "last_update_posted_date": "2022-10-27",
      "last_synced_at": "2026-11-06T15:26:08.402Z",
      "location_count": 3,
      "location_summary": "Louisville, Kentucky • Springfield, Massachusetts • Durham, North Carolina",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Springfield",
          "state": "Massachusetts"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01719146"
    },
    {
      "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": "2026-11-06T15:26:08.402Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03027076"
    },
    {
      "nct_id": "NCT01545674",
      "title": "Prenatal Non-invasive Aneuploidy Test Utilizing SNPs Trial",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Trisomy 13",
        "Trisomy 18",
        "Trisomy 21",
        "Aneuploidy"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Natera, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 937,
      "start_date": "2012-01",
      "completion_date": "2023-03",
      "has_results": false,
      "last_update_posted_date": "2023-03-23",
      "last_synced_at": "2026-11-06T15:26:08.402Z",
      "location_count": 24,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Francisco, California + 16 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01545674"
    },
    {
      "nct_id": "NCT04216290",
      "title": "A Study of Chemotherapy and Radiation Therapy Compared to Chemotherapy and Radiation Therapy Plus MEDI4736 (Durvalumab) Immunotherapy for Bladder Cancer Which Has Spread to the Lymph Nodes, INSPIRE Trial",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Bladder Urothelial Carcinoma",
        "Stage III Bladder Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biopsy of Bladder",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Cystoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Durvalumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Gemcitabine Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Mitomycin",
          "type": "DRUG"
        },
        {
          "name": "Patient Observation",
          "type": "OTHER"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL",
        "OTHER",
        "RADIATION"
      ],
      "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": 11,
      "start_date": "2021-03-17",
      "completion_date": "2027-05-19",
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-11-06T15:26:08.402Z",
      "location_count": 216,
      "location_summary": "Anchorage, Alaska • Fort Smith, Arkansas • Hot Springs, Arkansas + 153 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04216290"
    },
    {
      "nct_id": "NCT07776353",
      "title": "Understanding New Cachexia Subtypes Through Observational Epidemiological Research",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Advanced Colorectal Carcinoma",
        "Advanced Lung Non-Small Cell Carcinoma",
        "Advanced Pancreatic Adenocarcinoma",
        "Stage IV Colorectal Cancer AJCC v8",
        "Stage IV Lung Cancer AJCC v8",
        "Stage IV Pancreatic Cancer AJCC v8",
        "Unresectable Colorectal Carcinoma",
        "Unresectable Lung Non-Small Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Electronic health record review",
          "type": "OTHER"
        },
        {
          "name": "Medical Device Usage and Evaluation",
          "type": "OTHER"
        },
        {
          "name": "Physical functions assessments",
          "type": "OTHER"
        },
        {
          "name": "Positron Emission Tomography (PET)",
          "type": "PROCEDURE"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 800,
      "start_date": "2023-04-05",
      "completion_date": "2028-05",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-11-06T15:26:08.402Z",
      "location_count": 1,
      "location_summary": "Pleasanton, California",
      "locations": [
        {
          "city": "Pleasanton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07776353"
    }
  ]
}