{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biospecimen+Collection&page=27",
    "query": {
      "intervention": "Biospecimen Collection",
      "page": 27
    },
    "page_size": 10
  },
  "pagination": {
    "page": 27,
    "page_size": 10,
    "total_count": 3512,
    "total_pages": 352,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biospecimen+Collection&page=28&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biospecimen+Collection&page=26&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-18T04:27:56.525Z",
  "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": "NCT07532525",
      "title": "Pomalidomide After CAR T-cell Therapy for the Treatment of Relapsed or Refractory CD19+ B-cell Leukemia or Lymphoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Recurrent B Acute Lymphoblastic Leukemia",
        "Recurrent B-Cell Non-Hodgkin Lymphoma",
        "Refractory B Acute Lymphoblastic Leukemia",
        "Refractory B-Cell Non-Hodgkin Lymphoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Pomalidomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "University of Michigan Rogel 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": 12,
      "start_date": "2026-08-26",
      "completion_date": "2028-08",
      "has_results": false,
      "last_update_posted_date": "2026-10-15",
      "last_synced_at": "2026-10-18T04:27:56.525Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07532525"
    },
    {
      "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": "2026-10-18T04:27:56.525Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02551718"
    },
    {
      "nct_id": "NCT01119560",
      "title": "Genetic Susceptibility Biomarkers in Children With Neuroblastoma (Also Known as Neuroblastoma Epidemiology in North America [NENA])",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neuroblastoma"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 576,
      "start_date": "2009-02-03",
      "completion_date": "2018-12-31",
      "has_results": false,
      "last_update_posted_date": "2019-01-08",
      "last_synced_at": "2026-10-18T04:27:56.525Z",
      "location_count": 141,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 119 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Downey",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01119560"
    },
    {
      "nct_id": "NCT05080907",
      "title": "Collection and Distribution of Biospecimens for Novel Research",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer",
        "Healthy",
        "Gastrointestinal Complication",
        "Autoimmune Diseases",
        "Infectious Disease",
        "Women's Health: High-Risk Pregnancy",
        "Dermatologic Disease",
        "Blood Disease"
      ],
      "interventions": [
        {
          "name": "Observational",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "iSpecimen Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "1 Year to 99 Years"
      },
      "enrollment_count": 100000,
      "start_date": "2016-07-15",
      "completion_date": "2025-01",
      "has_results": false,
      "last_update_posted_date": "2022-11-09",
      "last_synced_at": "2026-10-18T04:27:56.525Z",
      "location_count": 7,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 4 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05080907"
    },
    {
      "nct_id": "NCT00930007",
      "title": "Sleep-wake Changes of Luteinizing Hormone Frequency in Pubertal Girls With and Without High Testosterone",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hyperandrogenism"
      ],
      "interventions": [
        {
          "name": "Blood sampling",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "15 Years",
        "sex": "FEMALE",
        "summary": "8 Years to 15 Years · Female only"
      },
      "enrollment_count": 90,
      "start_date": "2008-10",
      "completion_date": "2023-08",
      "has_results": false,
      "last_update_posted_date": "2022-05-18",
      "last_synced_at": "2026-10-18T04:27:56.525Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00930007"
    },
    {
      "nct_id": "NCT04156126",
      "title": "Measuring Immune Tolerance to Predict Miscarriage or Failed Embryo Transfer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Infertility",
        "Pregnancy Loss",
        "Spontaneous Abortion"
      ],
      "interventions": [
        {
          "name": "Blood Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "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": 56,
      "start_date": "2019-08-23",
      "completion_date": "2024-06-01",
      "has_results": false,
      "last_update_posted_date": "2024-09-25",
      "last_synced_at": "2026-10-18T04:27:56.525Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04156126"
    },
    {
      "nct_id": "NCT06343376",
      "title": "Genetically Engineered Cells (EGFRt/19-28z/IL-12 CAR T Cells) for the Treatment of Relapsed or Refractory CD19+ Hematologic Malignancies",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Recurrent Chronic Lymphocytic Leukemia",
        "Recurrent Diffuse Large B-Cell Lymphoma",
        "Recurrent Follicular Lymphoma",
        "Recurrent High Grade B-Cell Lymphoma",
        "Recurrent Mantle Cell Lymphoma",
        "Recurrent Transformed Chronic Lymphocytic Leukemia",
        "Recurrent Transformed Follicular Lymphoma to Diffuse Large B-Cell Lymphoma",
        "Refractory Chronic Lymphocytic Leukemia",
        "Refractory Diffuse Large B-Cell Lymphoma",
        "Refractory Follicular Lymphoma",
        "Refractory High Grade B-Cell Lymphoma",
        "Refractory Mantle Cell Lymphoma",
        "Refractory Transformed Chronic Lymphocytic Leukemia",
        "Refractory Transformed Follicular Lymphoma to Diffuse Large B-Cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Echocardiography",
          "type": "PROCEDURE"
        },
        {
          "name": "EGFRt/19-28z/IL-12 CAR T-lymphocytes",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fludarabine Phosphate",
          "type": "DRUG"
        },
        {
          "name": "Leukapheresis",
          "type": "PROCEDURE"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2024-11-26",
      "completion_date": "2025-01-03",
      "has_results": false,
      "last_update_posted_date": "2025-08-03",
      "last_synced_at": "2026-10-18T04:27:56.525Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06343376"
    },
    {
      "nct_id": "NCT00281190",
      "title": "Comparison of Alveolar Macrophages in Individuals With COPD Versus Smokers With Normal Pulmonary Function",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive",
        "Lung Diseases, Obstructive"
      ],
      "interventions": [
        {
          "name": "Blood drawing",
          "type": "PROCEDURE"
        },
        {
          "name": "Bronchoalveolar lavage during indicated bronchoscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2005-09",
      "completion_date": "2014-10",
      "has_results": false,
      "last_update_posted_date": "2014-12-16",
      "last_synced_at": "2026-10-18T04:27:56.525Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00281190"
    },
    {
      "nct_id": "NCT00436189",
      "title": "Assess Cancer in Ovarian Tumors With Biomarkers.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ovarian Tumor"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Ciphergen Biosystems",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 1000,
      "start_date": "2007-02",
      "completion_date": "2008-04",
      "has_results": false,
      "last_update_posted_date": "2008-04-30",
      "last_synced_at": "2026-10-18T04:27:56.525Z",
      "location_count": 18,
      "location_summary": "Hoover, Alabama • Phoenix, Arizona • Newport Beach, California + 14 more",
      "locations": [
        {
          "city": "Hoover",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Vista",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00436189"
    },
    {
      "nct_id": "NCT04593550",
      "title": "Electroencephalographic Changes Under General Anesthesia in Patients With Gynecologic Cancers With and Without History of Chemotherapy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Malignant Female Reproductive System Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "BrainCheck Cognitive Assessment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cognitive Assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "Electroencephalography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 60 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2020-07-31",
      "completion_date": "2023-11-17",
      "has_results": false,
      "last_update_posted_date": "2023-11-21",
      "last_synced_at": "2026-10-18T04:27:56.525Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04593550"
    }
  ]
}