{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biospecimen+Collection&page=22",
    "query": {
      "intervention": "Biospecimen Collection",
      "page": 22
    },
    "page_size": 10
  },
  "pagination": {
    "page": 22,
    "page_size": 10,
    "total_count": 3512,
    "total_pages": 352,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biospecimen+Collection&page=23&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biospecimen+Collection&page=21&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T12:42:43.635Z",
  "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": "NCT05602194",
      "title": "Studying the Effect of Levocarnitine in Protecting the Liver From Chemotherapy for Leukemia or Lymphoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "B Acute Lymphoblastic Leukemia",
        "B Acute Lymphoblastic Leukemia With t(9;22)(q34.1;q11.2); BCR-ABL1",
        "B Acute Lymphoblastic Leukemia, BCR-ABL1-Like",
        "Lymphoblastic Lymphoma",
        "Mixed Phenotype Acute Leukemia",
        "T Acute Lymphoblastic Leukemia"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Calaspargase Pegol",
          "type": "DRUG"
        },
        {
          "name": "Levocarnitine",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Pegaspargase",
          "type": "DRUG"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "15 Years to 40 Years"
      },
      "enrollment_count": 440,
      "start_date": "2023-08-24",
      "completion_date": "2028-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-10-17T12:42:43.635Z",
      "location_count": 225,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Kingman, Arizona + 149 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Kingman",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05602194"
    },
    {
      "nct_id": "NCT06689956",
      "title": "Outcomes of Low-Risk Endometrial Cancer With Isolated Tumor Cells in the Sentinel Lymph Nodes: A Prospective, Multicenter, Single-Arm Observational Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "FIGO Grade 1 Endometrial Endometrioid Adenocarcinoma",
        "FIGO Grade 2 Endometrial Endometrioid Adenocarcinoma",
        "Stage IA1 Endometrial Cancer FIGO 2023",
        "Stage IA2 Endometrial Cancer FIGO 2023"
      ],
      "interventions": [
        {
          "name": "Non-Interventional Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 212,
      "start_date": "2024-12-04",
      "completion_date": "2029-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-19",
      "last_synced_at": "2026-10-17T12:42:43.635Z",
      "location_count": 3,
      "location_summary": "Rochester, Minnesota • New York, New York • Houston, Texas",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06689956"
    },
    {
      "nct_id": "NCT01900275",
      "title": "Urinary Heparanase Activity as a Predictor of Acute Kidney Injury in Critically Ill Adults",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sepsis",
        "Trauma",
        "Shock",
        "Acute Kidney Injury"
      ],
      "interventions": [
        {
          "name": "Urine collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Denver Health and Hospital Authority",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 57,
      "start_date": "2013-07",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-11-24",
      "last_synced_at": "2026-10-17T12:42:43.635Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01900275"
    },
    {
      "nct_id": "NCT06804057",
      "title": "CorEvitas Systemic Lupus Erythematosus (SLE) Drug Safety and Effectiveness Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Systemic Lupus Erythematosus"
      ],
      "interventions": [
        {
          "name": "Blood Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "CorEvitas",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2024-09-26",
      "completion_date": "2099-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-06",
      "last_synced_at": "2026-10-17T12:42:43.635Z",
      "location_count": 1,
      "location_summary": "Waltham, Massachusetts",
      "locations": [
        {
          "city": "Waltham",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06804057"
    },
    {
      "nct_id": "NCT05823766",
      "title": "Transforming Research and Clinical Knowledge in Traumatic Brain Injury Epileptogenesis Project (TRACK-TBI EPI)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Traumatic Brain Injury",
        "Post-traumatic Epilepsy"
      ],
      "interventions": [
        {
          "name": "In-Person Outcome Assessment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "3T Magnetic Resonance Imaging (MRI)",
          "type": "PROCEDURE"
        },
        {
          "name": "Clinical Visit",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Blood Draw",
          "type": "PROCEDURE"
        },
        {
          "name": "EEG",
          "type": "PROCEDURE"
        },
        {
          "name": "Telephone Outcome Assessment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "PROCEDURE"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2022-03-01",
      "completion_date": "2027-02",
      "has_results": false,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-10-17T12:42:43.635Z",
      "location_count": 9,
      "location_summary": "San Francisco, California • Charlestown, Massachusetts • Cincinnati, Ohio + 6 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Charlestown",
          "state": "Massachusetts"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05823766"
    },
    {
      "nct_id": "NCT02260271",
      "title": "Florida Neonatal Neurologic Network",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypoxic-Ischemic Encephalopathy"
      ],
      "interventions": [
        {
          "name": "Database Entry/Biospecimen Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "3 Weeks",
        "sex": "ALL",
        "summary": "1 Day to 3 Weeks"
      },
      "enrollment_count": 1000,
      "start_date": "2011-09-09",
      "completion_date": "2045-12",
      "has_results": false,
      "last_update_posted_date": "2026-02-11",
      "last_synced_at": "2026-10-17T12:42:43.635Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02260271"
    },
    {
      "nct_id": "NCT06732414",
      "title": "A Biorepository of Multiple Allergic Diseases (MADREP) With Longitudinal Follow-Up",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Allergy, Sinus Disorders, Atopic Diseases, Asthma, Allergic Rhinitis, Atopic Dermatitis, EoE, Drug a"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "3 Years to 100 Years"
      },
      "enrollment_count": 10000,
      "start_date": "2025-01-28",
      "completion_date": "2045-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-15",
      "last_synced_at": "2026-10-17T12:42:43.635Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06732414"
    },
    {
      "nct_id": "NCT00034216",
      "title": "Collection of Blood From Patients With Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer",
        "Breast Cancer",
        "Colon Cancer",
        "Lung Cancer",
        "Liver Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1750,
      "start_date": "2002-07-16",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-10-16",
      "last_synced_at": "2026-10-17T12:42:43.635Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00034216"
    },
    {
      "nct_id": "NCT06386432",
      "title": "EQQUAL-NM for the Promotion of Smoking Cessation in Sexual and Gender Minority Young Adults in New Mexico",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "Smartphone App-delivered Smoking Cessation Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health Promotion and Education",
          "type": "OTHER"
        },
        {
          "name": "Biospecimen Collection",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 0,
      "start_date": "2025-12-01",
      "completion_date": "2026-04-01",
      "has_results": false,
      "last_update_posted_date": "2025-10-08",
      "last_synced_at": "2026-10-17T12:42:43.635Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06386432"
    },
    {
      "nct_id": "NCT05521698",
      "title": "A Randomized Trial of Bicalutamide in Non-Muscle Invasive Bladder Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Non-Muscle Invasive Bladder Urothelial Carcinoma",
        "Recurrent Non-Muscle Invasive Bladder Urothelial Carcinoma"
      ],
      "interventions": [
        {
          "name": "Bicalutamide",
          "type": "DRUG"
        },
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Transurethral Resection of Bladder Tumor",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "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": 80,
      "start_date": "2026-06-25",
      "completion_date": "2028-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-30",
      "last_synced_at": "2026-10-17T12:42:43.635Z",
      "location_count": 6,
      "location_summary": "Tucson, Arizona • Los Angeles, California • Bethesda, Maryland + 3 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05521698"
    }
  ]
}