{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Bio-Specimen+Collection&page=7",
    "query": {
      "intervention": "Bio-Specimen Collection",
      "page": 7
    },
    "page_size": 10
  },
  "pagination": {
    "page": 7,
    "page_size": 10,
    "total_count": 2325,
    "total_pages": 233,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Bio-Specimen+Collection&page=8&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Bio-Specimen+Collection&page=6&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-06T07:08:06.411Z",
  "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": "NCT04615988",
      "title": "Correlation Vitamin D Level to Endocrine Autoimmune Toxicity Due to Immune Checkpoint Inhibitors",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Thyroid",
        "PD-1",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "blood draw and questionnaire completion",
          "type": "OTHER"
        },
        {
          "name": "questionnaire completion, blood collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2021-06-09",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-11-06T07:08:06.411Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04615988"
    },
    {
      "nct_id": "NCT05117541",
      "title": "Social-environmental, Psychosocial, Behavioral, Clinical and Biological Drivers of Disparities in Liver Disease Progression Among Korean American With Chronic Hepatitis B Infection",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Viral Hepatitis",
        "Hepatitis B Infection"
      ],
      "interventions": [
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 365,
      "start_date": "2021-08-02",
      "completion_date": "2026-03-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-22",
      "last_synced_at": "2026-11-06T07:08:06.411Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05117541"
    },
    {
      "nct_id": "NCT04334941",
      "title": "Testing Maintenance Therapy for Small Cell Lung Cancer in Patients With SLFN11 Positive Biomarker",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Extensive Stage Lung Small Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Atezolizumab",
          "type": "DRUG"
        },
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Talazoparib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "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": 103,
      "start_date": "2020-07-20",
      "completion_date": "2027-01-21",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-11-06T07:08:06.411Z",
      "location_count": 561,
      "location_summary": "Anchorage, Alaska • Kingman, Arizona • Phoenix, Arizona + 362 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04334941"
    },
    {
      "nct_id": "NCT03041688",
      "title": "Testing a New Chemotherapy Drug, KRT-232 (AMG-232) in Combination With Decitabine and Venetoclax in Patients With Acute Myeloid Leukemia",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acute Myeloid Leukemia",
        "Recurrent Acute Myeloid Leukemia",
        "Refractory Acute Myeloid Leukemia",
        "Secondary Acute Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Decitabine",
          "type": "DRUG"
        },
        {
          "name": "Navtemadlin",
          "type": "DRUG"
        },
        {
          "name": "Venetoclax",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "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": 58,
      "start_date": "2018-02-08",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-11-06T07:08:06.411Z",
      "location_count": 13,
      "location_summary": "Duarte, California • Los Angeles, California • Pasadena, California + 6 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03041688"
    },
    {
      "nct_id": "NCT01149083",
      "title": "Veliparib With or Without Carboplatin in Treating Patients With Stage III or IV Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anatomic Stage III Breast Cancer AJCC v8",
        "Anatomic Stage IV Breast Cancer AJCC v8",
        "Locally Advanced Breast Carcinoma",
        "Metastatic Breast Carcinoma",
        "Unresectable Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Veliparib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 77,
      "start_date": "2010-06-30",
      "completion_date": "2024-09-30",
      "has_results": true,
      "last_update_posted_date": "2025-08-15",
      "last_synced_at": "2026-11-06T07:08:06.411Z",
      "location_count": 22,
      "location_summary": "Duarte, California • Los Angeles, California • Sacramento, California + 12 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01149083"
    },
    {
      "nct_id": "NCT01997502",
      "title": "Accuracy of Pulse CO-Oximetry Technology in Characterizing Noninvasive SpHb",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Surgery",
        "Hemoglobin"
      ],
      "interventions": [
        {
          "name": "Pulse CO-Oximetry Technology",
          "type": "DEVICE"
        },
        {
          "name": "Blood draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 621,
      "start_date": "2013-11-26",
      "completion_date": "2024-10-21",
      "has_results": false,
      "last_update_posted_date": "2025-04-09",
      "last_synced_at": "2026-11-06T07:08:06.411Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01997502"
    },
    {
      "nct_id": "NCT04371198",
      "title": "Patient-Derived Organoids for Rectal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Rectum Cancer"
      ],
      "interventions": [
        {
          "name": "Biopsy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2020-09-18",
      "completion_date": "2022-08-17",
      "has_results": true,
      "last_update_posted_date": "2023-08-28",
      "last_synced_at": "2026-11-06T07:08:06.411Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04371198"
    },
    {
      "nct_id": "NCT01334281",
      "title": "An In-vitro Standardization of B Cell Elispot Assays",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Transplant Sensitization",
        "Panel Reactive Antibody",
        "Sensitization to HLA Antigens"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2008-02",
      "completion_date": "2012-10",
      "has_results": false,
      "last_update_posted_date": "2013-04-22",
      "last_synced_at": "2026-11-06T07:08:06.411Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01334281"
    },
    {
      "nct_id": "NCT07098364",
      "title": "ST-067 in Combination With CD19-Directed CAR T-Cell Therapy (Liso-cel) in Relapsed/Refractory Large B-Cell Lymphoma",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Diffuse Large B-Cell Lymphoma",
        "Recurrent Diffuse Large B-Cell Lymphoma, Not Otherwise Specified",
        "Recurrent Grade 3b Follicular Lymphoma",
        "Recurrent High-Grade B-Cell Lymphoma",
        "Recurrent Indolent B-Cell Non-Hodgkin Lymphoma",
        "Recurrent Primary Mediastinal Large B-Cell Lymphoma",
        "Refractory Diffuse Large B-Cell Lymphoma",
        "Refractory Diffuse Large B-Cell Lymphoma, Not Otherwise Specified",
        "Refractory Grade 3b Follicular Lymphoma",
        "Refractory High-Grade B-Cell Lymphoma",
        "Refractory Indolent B-Cell Non-Hodgkin Lymphoma",
        "Refractory Primary Mediastinal Large B-Cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "Vevoctadekin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Leukapheresis",
          "type": "PROCEDURE"
        },
        {
          "name": "Lisocabtagene Maraleucel",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Lumbar Puncture",
          "type": "PROCEDURE"
        },
        {
          "name": "Lymphodepletion Therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "X-Ray Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Fred Hutchinson 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": 33,
      "start_date": "2025-12-27",
      "completion_date": "2043-10-04",
      "has_results": false,
      "last_update_posted_date": "2026-09-11",
      "last_synced_at": "2026-11-06T07:08:06.411Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07098364"
    },
    {
      "nct_id": "NCT00603967",
      "title": "Effect of Aromatase Inhibitors on Bones and Genes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Postmenopausal"
      ],
      "interventions": [
        {
          "name": "Dual x-ray absorptiometry (DXA)",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "40 Years and older · Female only"
      },
      "enrollment_count": 151,
      "start_date": "2006-03",
      "completion_date": "2009-10",
      "has_results": false,
      "last_update_posted_date": "2013-05-24",
      "last_synced_at": "2026-11-06T07:08:06.411Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00603967"
    }
  ]
}