{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=37",
    "query": {
      "intervention": "biospecimen Collection",
      "page": 37
    },
    "page_size": 10
  },
  "pagination": {
    "page": 37,
    "page_size": 10,
    "total_count": 3530,
    "total_pages": 353,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=38&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=36&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-12T17:25:39.406Z",
  "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": "NCT07363408",
      "title": "Ivonescimab and ADG126, Alone, and in Combination With Leucovorin and Fluorouracil or FOLFIRI Regimen for the Treatment of Microsatellite Stable Advanced/Metastatic Colorectal Cancer",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Advanced Microsatellite Stable Colorectal Carcinoma",
        "Metastatic Microsatellite Stable Colorectal Carcinoma",
        "Stage III Colorectal Cancer AJCC v8",
        "Stage IV Colorectal Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Irinotecan",
          "type": "DRUG"
        },
        {
          "name": "Ivonescimab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Leucovorin Calcium",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Muzastotug",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2026-12-01",
      "completion_date": "2027-07-21",
      "has_results": false,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-11-12T17:25:39.406Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07363408"
    },
    {
      "nct_id": "NCT04815018",
      "title": "Shifts in the Respiratory Microbiome and Clinical Outcomes of SARS-CoV-2",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "SARS-CoV-2 Infection",
        "Bacterial Respiratory Tract Infection",
        "Viral Respiratory Tract Infection"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Pathnostics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 185,
      "start_date": "2020-10-07",
      "completion_date": "2021-05-30",
      "has_results": false,
      "last_update_posted_date": "2021-06-30",
      "last_synced_at": "2026-11-12T17:25:39.406Z",
      "location_count": 4,
      "location_summary": "Delaware, Ohio • Granville, Ohio • Westerville, Ohio",
      "locations": [
        {
          "city": "Delaware",
          "state": "Ohio"
        },
        {
          "city": "Delaware",
          "state": "Ohio"
        },
        {
          "city": "Granville",
          "state": "Ohio"
        },
        {
          "city": "Westerville",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04815018"
    },
    {
      "nct_id": "NCT00152659",
      "title": "Developing Criteria for Cortical Resections",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Epilepsy",
        "Tumor"
      ],
      "interventions": [
        {
          "name": "Tissue sample (procedure/screening)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 87,
      "start_date": "1998-09-01",
      "completion_date": "2022-11-14",
      "has_results": false,
      "last_update_posted_date": "2023-04-26",
      "last_synced_at": "2026-11-12T17:25:39.406Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00152659"
    },
    {
      "nct_id": "NCT06127979",
      "title": "A Study of Changes in Ki67 Expression in People With Breast Cancer Receiving Endocrine Therapy Before Surgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "blood draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 42,
      "start_date": "2024-08-30",
      "completion_date": "2028-11",
      "has_results": false,
      "last_update_posted_date": "2026-10-13",
      "last_synced_at": "2026-11-12T17:25:39.406Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06127979"
    },
    {
      "nct_id": "NCT07910435",
      "title": "Polatuzumab Vedotin, Mosunetuzumab, and Acalabrutinib for the Treatment of Mantle Cell Lymphoma, PAcMan Trial",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Mantle Cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "Polatuzumab Vedotin",
          "type": "DRUG"
        },
        {
          "name": "Acalabrutinib",
          "type": "DRUG"
        },
        {
          "name": "Mosunetuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Core Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "FDG-Positron Emission Tomography and Computed Tomography Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Neurologic Examination",
          "type": "PROCEDURE"
        },
        {
          "name": "Patient Observation",
          "type": "OTHER"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "PROCEDURE",
        "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": 27,
      "start_date": "2027-03-01",
      "completion_date": "2038-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-11-02",
      "last_synced_at": "2026-11-12T17:25:39.406Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07910435"
    },
    {
      "nct_id": "NCT04576117",
      "title": "A Study to Compare Treatment With the Drug Selumetinib Alone Versus Selumetinib and Vinblastine in Patients With Recurrent or Progressive Low-Grade Glioma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Recurrent Low Grade Astrocytoma",
        "Recurrent WHO Grade 2 Glioma",
        "Refractory Low Grade Astrocytoma",
        "Refractory Low Grade Glioma",
        "Refractory WHO Grade 1 Glioma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Selumetinib Sulfate",
          "type": "DRUG"
        },
        {
          "name": "Vinblastine Sulfate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "2 Years to 25 Years"
      },
      "enrollment_count": 300,
      "start_date": "2021-02-16",
      "completion_date": "2026-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-11-12",
      "last_synced_at": "2026-11-12T17:25:39.406Z",
      "location_count": 91,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Loma Linda, California + 77 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04576117"
    },
    {
      "nct_id": "NCT07228624",
      "title": "Ruxolitinib Before, During and After Hematopoietic Cell Transplant in Older Patients With Myelofibrosis and Myelodysplastic Syndrome/Myeloproliferative Neoplasm Overlap Syndromes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Myelodysplastic/Myeloproliferative Neoplasm",
        "Primary Myelofibrosis",
        "Secondary Myelofibrosis"
      ],
      "interventions": [
        {
          "name": "Ruxolitinib",
          "type": "DRUG"
        },
        {
          "name": "Allogeneic Hematopoietic Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Busulfan",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "JAK Inhibitor",
          "type": "DRUG"
        },
        {
          "name": "Melphalan",
          "type": "DRUG"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 50,
      "start_date": "2026-02-04",
      "completion_date": "2030-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-19",
      "last_synced_at": "2026-11-12T17:25:39.406Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07228624"
    },
    {
      "nct_id": "NCT04967196",
      "title": "Ipilimumab and Nivolumab for the Treatment of Stage III-IV Unresectable Metastatic Melanoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Clinical Stage III Cutaneous Melanoma AJCC v8",
        "Clinical Stage IV Cutaneous Melanoma AJCC v8",
        "Metastatic Melanoma",
        "Unresectable Melanoma"
      ],
      "interventions": [
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Lymph Node Assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "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": 6,
      "start_date": "2021-09-16",
      "completion_date": "2024-04-17",
      "has_results": false,
      "last_update_posted_date": "2024-12-10",
      "last_synced_at": "2026-11-12T17:25:39.406Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04967196"
    },
    {
      "nct_id": "NCT07284563",
      "title": "Ultralow Dose PET Imaging for 18F-NaF Uptake",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Healthy Volunteer",
        "Bone Alteration",
        "Bone and Joint Cancer",
        "Bone and Joint Infection",
        "Arthritis"
      ],
      "interventions": [
        {
          "name": "18F-NaF",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Akiva Mintz",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 200,
      "start_date": "2025-09-01",
      "completion_date": "2030-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-16",
      "last_synced_at": "2026-11-12T17:25:39.406Z",
      "location_count": 1,
      "location_summary": "Englewood, New Jersey",
      "locations": [
        {
          "city": "Englewood",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07284563"
    },
    {
      "nct_id": "NCT05874726",
      "title": "Biological Sample Repository for Gastrointestinal Disorders",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity",
        "Obesity, Morbid",
        "Obesity, Primary",
        "Gastro-Intestinal Disorder",
        "Overweight and Obesity",
        "Overweight",
        "Overweight or Obesity",
        "Diabetes Type 2",
        "Diabetes Mellitus",
        "Diabetes Mellitus, Type 2",
        "Hypertension",
        "Hyperlipidemias",
        "Sleep Apnea",
        "GERD",
        "Gastroesophageal Reflux",
        "Musculoskeletal Pain Disorder",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Blood Collection",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Urine Collection",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Tissue Sample Collection",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Pichamol Jirapinyo, MD, MPH",
      "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": "2023-07-19",
      "completion_date": "2029-04",
      "has_results": false,
      "last_update_posted_date": "2025-12-02",
      "last_synced_at": "2026-11-12T17:25:39.406Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05874726"
    }
  ]
}