{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biospecimen+Collection&page=44",
    "query": {
      "intervention": "Biospecimen Collection",
      "page": 44
    },
    "page_size": 10
  },
  "pagination": {
    "page": 44,
    "page_size": 10,
    "total_count": 3512,
    "total_pages": 352,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biospecimen+Collection&page=45&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biospecimen+Collection&page=43&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T07:39:05.667Z",
  "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": "NCT04036045",
      "title": "Approaches to Identify Early Biomarkers and Pathogenesis of Anthracycline Cardiotoxicity",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Childhood Cancer"
      ],
      "interventions": [
        {
          "name": "Cardiac MRI",
          "type": "OTHER"
        },
        {
          "name": "Echocardiogram",
          "type": "OTHER"
        },
        {
          "name": "Blood Draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Connecticut Children's Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "9 Years to 18 Years"
      },
      "enrollment_count": 0,
      "start_date": "2018-11-12",
      "completion_date": "2025-03-31",
      "has_results": false,
      "last_update_posted_date": "2025-10-06",
      "last_synced_at": "2026-10-19T07:39:05.667Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04036045"
    },
    {
      "nct_id": "NCT01995175",
      "title": "A Prospective, Epidemiological Study to Assess the Disease Burden of Respiratory Syncytial Virus Associated, Suspected Lower Respiratory Tract Infections in Newborns, From 0 to 2 Years of Age and Risk of Development of Wheeze and Asthma From 0 to 6 Years of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Respiratory Syncytial Virus"
      ],
      "interventions": [
        {
          "name": "Nasal swab sampling",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood sampling",
          "type": "PROCEDURE"
        },
        {
          "name": "Diary cards",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "Up to 6 Years"
      },
      "enrollment_count": 2409,
      "start_date": "2013-12-12",
      "completion_date": "2021-11-03",
      "has_results": true,
      "last_update_posted_date": "2022-11-29",
      "last_synced_at": "2026-10-19T07:39:05.667Z",
      "location_count": 9,
      "location_summary": "Oakland, California • Sacramento, California • Santa Clara, California + 5 more",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Santa Clara",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01995175"
    },
    {
      "nct_id": "NCT00342511",
      "title": "Pilots of Self-Collection for HPV DNA Detection",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HPV"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "21 Years and older · Female only"
      },
      "enrollment_count": 300,
      "start_date": "2006-01-09",
      "completion_date": "2011-12-13",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-10-19T07:39:05.667Z",
      "location_count": 2,
      "location_summary": "Tucson, Arizona • East Cleveland, Ohio",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "East Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00342511"
    },
    {
      "nct_id": "NCT04870944",
      "title": "CBL0137 for the Treatment of Relapsed or Refractory Solid Tumors, Including CNS Tumors and Lymphoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Diffuse Midline Glioma, H3 K27-Altered",
        "Metastatic Malignant Neoplasm in the Central Nervous System",
        "Recurrent Diffuse Intrinsic Pontine Glioma",
        "Recurrent Diffuse Midline Glioma, H3 K27-Altered",
        "Recurrent Lymphoma",
        "Recurrent Malignant Solid Neoplasm",
        "Recurrent Primary Malignant Central Nervous System Neoplasm",
        "Refractory Lymphoma",
        "Refractory Malignant Solid Neoplasm",
        "Refractory Primary Malignant Central Nervous System Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspirate",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "FACT Complex-targeting Curaxin CBL0137",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "12 Months to 21 Years"
      },
      "enrollment_count": 63,
      "start_date": "2022-01-28",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-11",
      "last_synced_at": "2026-10-19T07:39:05.667Z",
      "location_count": 34,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 29 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04870944"
    },
    {
      "nct_id": "NCT05672173",
      "title": "Lisocabtagene Maraleucel, Nivolumab and Ibrutinib for the Treatment of Richter's Transformation",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Transformed Chronic Lymphocytic Leukemia",
        "Refractory Transformed Chronic Lymphocytic Leukemia",
        "Richter Syndrome"
      ],
      "interventions": [
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Ibrutinib",
          "type": "DRUG"
        },
        {
          "name": "Lisocabtagene Maraleucel",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pheresis",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        }
      ],
      "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": 9,
      "start_date": "2023-06-02",
      "completion_date": "2027-08-24",
      "has_results": false,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-10-19T07:39:05.667Z",
      "location_count": 2,
      "location_summary": "Duarte, California • New York, New York",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05672173"
    },
    {
      "nct_id": "NCT04379583",
      "title": "HairDx Analytical Validation Study",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hair Loss",
        "Hair Loss/Baldness",
        "Female Pattern Baldness",
        "Androgenetic Alopecia"
      ],
      "interventions": [
        {
          "name": "HairDx Sample Collection Kit",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Applied Biology, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2020-06-15",
      "completion_date": "2021-12-06",
      "has_results": false,
      "last_update_posted_date": "2021-07-21",
      "last_synced_at": "2026-10-19T07:39:05.667Z",
      "location_count": 1,
      "location_summary": "Irvine, California",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04379583"
    },
    {
      "nct_id": "NCT04799275",
      "title": "Testing CC-486 (Oral Azacitidine) Plus the Standard Drug Therapy in Patients 75 Years or Older With Newly Diagnosed Diffuse Large B Cell Lymphoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Ann Arbor Stage III Diffuse Large B-Cell Lymphoma",
        "Ann Arbor Stage IIX (Bulky) Diffuse Large B-Cell Lymphoma",
        "Ann Arbor Stage IV Diffuse Large B-Cell Lymphoma",
        "Diffuse Large B-Cell Lymphoma Activated B-Cell Type",
        "Diffuse Large B-Cell Lymphoma Associated With Chronic Inflammation",
        "Diffuse Large B-Cell Lymphoma Germinal Center B-Cell Type",
        "Diffuse Large B-Cell Lymphoma, Not Otherwise Specified",
        "EBV-Positive Diffuse Large B-Cell Lymphoma, Not Otherwise Specified",
        "Grade 3b Follicular Lymphoma",
        "HHV8-Positive Diffuse Large B-Cell Lymphoma, Not Otherwise Specified",
        "High Grade B-Cell Lymphoma With MYC and BCL2 and/or BCL6 Rearrangements",
        "High Grade B-Cell Lymphoma With MYC and BCL2 or BCL6 Rearrangements",
        "High Grade B-Cell Lymphoma With MYC, BCL2, and BCL6 Rearrangements",
        "High Grade B-Cell Lymphoma, Not Otherwise Specified",
        "Intravascular Large B-Cell Lymphoma",
        "Lymphoplasmacytic Lymphoma",
        "Nodular Lymphocyte Predominant B-Cell Lymphoma",
        "Primary Cutaneous Diffuse Large B-Cell Lymphoma, Leg Type",
        "T-Cell/Histiocyte-Rich Large B-Cell Lymphoma",
        "Transformed Follicular Lymphoma to Diffuse Large B-Cell Lymphoma",
        "Transformed Marginal Zone Lymphoma to Diffuse Large B-Cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Oral Azacitidine",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Rituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Rituximab and Hyaluronidase Human",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Vincristine Sulfate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "75 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "75 Years and older"
      },
      "enrollment_count": 422,
      "start_date": "2021-05-20",
      "completion_date": "2027-03-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-10-19T07:39:05.667Z",
      "location_count": 176,
      "location_summary": "Tucson, Arizona • Little Rock, Arkansas • Anaheim, California + 136 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Baldwin Park",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04799275"
    },
    {
      "nct_id": "NCT04950712",
      "title": "An Epidemiological Study to Assess Performance of Using Healthcare Tools to Understand Genital Herpes Simplex Virus-2 (HSV-2) in Patients ≥ 18 Years of Age in the United States and Europe.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Herpes Genitalis"
      ],
      "interventions": [
        {
          "name": "Blood sampling",
          "type": "PROCEDURE"
        },
        {
          "name": "Anogenital lesion swab collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 537,
      "start_date": "2021-06-09",
      "completion_date": "2024-03-14",
      "has_results": false,
      "last_update_posted_date": "2025-03-07",
      "last_synced_at": "2026-10-19T07:39:05.667Z",
      "location_count": 22,
      "location_summary": "Long Beach, California • Los Angeles, California • San Francisco, California + 16 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04950712"
    },
    {
      "nct_id": "NCT03067181",
      "title": "Active Surveillance, Bleomycin, Etoposide, Carboplatin or Cisplatin in Treating Pediatric and Adult Patients With Germ Cell Tumors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Childhood Extracranial Germ Cell Tumor",
        "Extragonadal Embryonal Carcinoma",
        "Germ Cell Tumor",
        "Malignant Germ Cell Tumor",
        "Malignant Ovarian Teratoma",
        "Stage I Ovarian Choriocarcinoma",
        "Stage I Ovarian Embryonal Carcinoma AJCC v6 and v7",
        "Stage I Ovarian Yolk Sac Tumor AJCC v6 and v7",
        "Stage I Testicular Choriocarcinoma AJCC v6 and v7",
        "Stage I Testicular Embryonal Carcinoma AJCC v6 and v7",
        "Stage I Testicular Seminoma AJCC v6 and v7",
        "Stage I Testicular Yolk Sac Tumor AJCC v6 and v7",
        "Stage II Ovarian Choriocarcinoma",
        "Stage II Ovarian Embryonal Carcinoma AJCC v6 and v7",
        "Stage II Ovarian Yolk Sac Tumor AJCC v6 and v7",
        "Stage II Testicular Choriocarcinoma AJCC v6 and v7",
        "Stage II Testicular Embryonal Carcinoma AJCC v6 and v7",
        "Stage II Testicular Yolk Sac Tumor AJCC v6 and v7",
        "Stage III Ovarian Choriocarcinoma",
        "Stage III Ovarian Embryonal Carcinoma AJCC v6 and v7",
        "Stage III Ovarian Yolk Sac Tumor AJCC v6 and v7",
        "Stage III Testicular Choriocarcinoma AJCC v6 and v7",
        "Stage III Testicular Embryonal Carcinoma AJCC v6 and v7",
        "Stage III Testicular Yolk Sac Tumor AJCC v6 and v7",
        "Stage IV Ovarian Choriocarcinoma",
        "Stage IV Ovarian Embryonal Carcinoma AJCC v6 and v7",
        "Stage IV Ovarian Yolk Sac Tumor AJCC v6 and v7",
        "Testicular Mixed Choriocarcinoma and Embryonal Carcinoma",
        "Testicular Mixed Choriocarcinoma and Teratoma",
        "Testicular Mixed Choriocarcinoma and Yolk Sac Tumor"
      ],
      "interventions": [
        {
          "name": "Best Practice",
          "type": "OTHER"
        },
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bleomycin Sulfate",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Pulmonary Function Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE",
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1780,
      "start_date": "2017-05-25",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-10-19T07:39:05.667Z",
      "location_count": 566,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 338 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03067181"
    },
    {
      "nct_id": "NCT05564299",
      "title": "Rapid Diagnostic Assay for Gonorrhea and Chlamydia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Urethritis",
        "Cervicitis",
        "Sexually Transmitted Infections"
      ],
      "interventions": [
        {
          "name": "Rapid 30-minute Desktop Assay",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 98,
      "start_date": "2023-03-22",
      "completion_date": "2024-06-30",
      "has_results": true,
      "last_update_posted_date": "2025-09-23",
      "last_synced_at": "2026-10-19T07:39:05.667Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05564299"
    }
  ]
}