{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=50",
    "query": {
      "intervention": "biospecimen Collection",
      "page": 50
    },
    "page_size": 10
  },
  "pagination": {
    "page": 50,
    "page_size": 10,
    "total_count": 3528,
    "total_pages": 353,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=51&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=49&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-11T06:45:53.330Z",
  "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": "NCT01881074",
      "title": "Periodontal Treatment Response in Type II Diabetic Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Type II Diabetes",
        "Periodontal Disease"
      ],
      "interventions": [
        {
          "name": "Triclosan containing toothpaste",
          "type": "DRUG"
        },
        {
          "name": "Non-triclosan containing toothpaste",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Florida",
      "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": 74,
      "start_date": "2012-06",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2018-09-17",
      "last_synced_at": "2026-11-11T06:45:53.330Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01881074"
    },
    {
      "nct_id": "NCT00919750",
      "title": "Collecting and Storing Blood and Brain Tumor Tissue Samples From Children With Brain Tumors",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Childhood Atypical Teratoid/Rhabdoid Tumor",
        "Childhood Central Nervous System Germ Cell Tumor",
        "Childhood Cerebral Anaplastic Astrocytoma",
        "Childhood Cerebral Astrocytoma",
        "Childhood Choroid Plexus Neoplasm",
        "Childhood Craniopharyngioma",
        "Childhood Grade I Meningioma",
        "Childhood Grade II Meningioma",
        "Childhood Grade III Meningioma",
        "Childhood Infratentorial Ependymoma",
        "Childhood Oligodendroglioma",
        "Childhood Supratentorial Ependymoma",
        "Ependymoma",
        "Newly Diagnosed Childhood Ependymoma",
        "Recurrent Childhood Cerebellar Astrocytoma",
        "Recurrent Childhood Cerebral Astrocytoma",
        "Recurrent Childhood Ependymoma",
        "Recurrent Childhood Medulloblastoma",
        "Recurrent Childhood Supratentorial Embryonal Tumor, Not Otherwise Specified",
        "Recurrent Childhood Visual Pathway Glioma"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "Up to 18 Years"
      },
      "enrollment_count": 1258,
      "start_date": "2004-02-16",
      "completion_date": "2018-06-30",
      "has_results": false,
      "last_update_posted_date": "2018-07-16",
      "last_synced_at": "2026-11-11T06:45:53.330Z",
      "location_count": 163,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 123 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00919750"
    },
    {
      "nct_id": "NCT02115282",
      "title": "Exemestane With or Without Entinostat in Treating Patients With Recurrent Hormone Receptor-Positive Breast Cancer That is Locally Advanced or Metastatic",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anatomic Stage III Breast Cancer AJCC v8",
        "Anatomic Stage IV Breast Cancer AJCC v8",
        "Breast Adenocarcinoma",
        "HER2/Neu Negative",
        "Locally Advanced Breast Carcinoma",
        "Metastatic Breast Carcinoma",
        "Recurrent Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Entinostat",
          "type": "DRUG"
        },
        {
          "name": "Exemestane",
          "type": "DRUG"
        },
        {
          "name": "Goserelin",
          "type": "DRUG"
        },
        {
          "name": "Goserelin Acetate",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Placebo Administration",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "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": 608,
      "start_date": "2014-03-29",
      "completion_date": "2027-06-02",
      "has_results": true,
      "last_update_posted_date": "2026-10-22",
      "last_synced_at": "2026-11-11T06:45:53.330Z",
      "location_count": 652,
      "location_summary": "Birmingham, Alabama • Jonesboro, Arkansas • Carmichael, California + 460 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Carmichael",
          "state": "California"
        },
        {
          "city": "Chico",
          "state": "California"
        },
        {
          "city": "Chico",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02115282"
    },
    {
      "nct_id": "NCT00903591",
      "title": "Study of Radiation Exposure and Bilateral Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "questionaire, blood or saliva sample",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "54 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 54 Years · Female only"
      },
      "enrollment_count": 1699,
      "start_date": "2009-05",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-06-03",
      "last_synced_at": "2026-11-11T06:45:53.330Z",
      "location_count": 4,
      "location_summary": "Stanford, California • Iowa City, Iowa • New York, New York + 1 more",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00903591"
    },
    {
      "nct_id": "NCT04160390",
      "title": "Blood Samples to Identify Biomarkers in Patients Treated With Cyclophosphamide After Donor Stem Cell Transplant",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Allogeneic Hematopoietic Stem Cell Transplant Recipient",
        "Donor",
        "Malignant Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection-Blood",
          "type": "OTHER"
        },
        {
          "name": "Biospecimen Collection-Stool",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2018-11-13",
      "completion_date": "2027-04-24",
      "has_results": false,
      "last_update_posted_date": "2026-07-28",
      "last_synced_at": "2026-11-11T06:45:53.330Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04160390"
    },
    {
      "nct_id": "NCT05216627",
      "title": "COVID-19 Screening Program",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Self-administered saliva-based viral testing",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 61,
      "start_date": "2022-02-07",
      "completion_date": "2022-07-01",
      "has_results": true,
      "last_update_posted_date": "2024-07-31",
      "last_synced_at": "2026-11-11T06:45:53.330Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05216627"
    },
    {
      "nct_id": "NCT00843882",
      "title": "Lenalidomide With or Without Epoetin Alfa in Treating Patients With Myelodysplastic Syndrome and Anemia",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anemia",
        "Chronic Myelomonocytic Leukemia",
        "De Novo Myelodysplastic Syndrome",
        "Myelodysplastic Syndrome"
      ],
      "interventions": [
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Epoetin Alfa",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Lenalidomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "OTHER",
        "DRUG"
      ],
      "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": 247,
      "start_date": "2009-04-20",
      "completion_date": "2027-05-28",
      "has_results": true,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-11-11T06:45:53.330Z",
      "location_count": 507,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 345 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00843882"
    },
    {
      "nct_id": "NCT05799118",
      "title": "Study of the Role of Genetic Modifiers in Hemoglobinopathies",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sickle Cell Disease",
        "Thalassemia, Beta",
        "Thalassemia Alpha",
        "Hemoglobinopathies"
      ],
      "interventions": [
        {
          "name": "GWAS",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Cyprus Institute of Neurology and Genetics",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 30000,
      "start_date": "2022-10-01",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2024-03-20",
      "last_synced_at": "2026-11-11T06:45:53.330Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05799118"
    },
    {
      "nct_id": "NCT04894669",
      "title": "Convenience Sample Data Collection for INVSENSOR00045",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [],
      "conditions": [
        "Oxygen Saturation"
      ],
      "interventions": [
        {
          "name": "INVSENSOR00045",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Masimo Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "1 Month",
        "sex": "ALL",
        "summary": "Up to 1 Month"
      },
      "enrollment_count": 7,
      "start_date": "2021-06-11",
      "completion_date": "2023-05-21",
      "has_results": true,
      "last_update_posted_date": "2025-04-10",
      "last_synced_at": "2026-11-11T06:45:53.330Z",
      "location_count": 1,
      "location_summary": "Orange, California",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04894669"
    },
    {
      "nct_id": "NCT03862066",
      "title": "Memory Phenotype and PD-1 Inhibition Response in Oral Cancer",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Squamous Cell Carcinoma of the Head and Neck"
      ],
      "interventions": [
        {
          "name": "Blood collection",
          "type": "OTHER"
        },
        {
          "name": "Tissue collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2019-02-08",
      "completion_date": "2021-11-22",
      "has_results": false,
      "last_update_posted_date": "2022-08-11",
      "last_synced_at": "2026-11-11T06:45:53.330Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03862066"
    }
  ]
}