{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biological+Sample+Collection&page=5",
    "query": {
      "intervention": "Biological Sample Collection",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 2432,
    "total_pages": 244,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biological+Sample+Collection&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biological+Sample+Collection&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T14:59:59.761Z",
  "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": "NCT04766164",
      "title": "Health Beliefs, Behaviors, and Healthcare Experiences Among United States Young and Mid-Age Adults",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HPV Vaccine Knowledge"
      ],
      "interventions": [
        {
          "name": "Survey",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 4000,
      "start_date": "2021-02-17",
      "completion_date": "2022-07-06",
      "has_results": false,
      "last_update_posted_date": "2022-11-03",
      "last_synced_at": "2026-10-17T14:59:59.761Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04766164"
    },
    {
      "nct_id": "NCT06049355",
      "title": "EMBRACE: Exercising Together",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Carcinoma",
        "Prostate Carcinoma"
      ],
      "interventions": [
        {
          "name": "Exercise Intervention",
          "type": "OTHER"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Educational Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "OHSU Knight Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2024-04-18",
      "completion_date": "2028-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-13",
      "last_synced_at": "2026-10-17T14:59:59.761Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06049355"
    },
    {
      "nct_id": "NCT05614011",
      "title": "Q-POC SARS-CoV-2 Assay COVID-19 Clinical Evaluation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "RT-PCR Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Real-time PCR Test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "QuantuMDx Group Ltd",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 877,
      "start_date": "2022-11-28",
      "completion_date": "2023-05-17",
      "has_results": true,
      "last_update_posted_date": "2024-02-28",
      "last_synced_at": "2026-10-17T14:59:59.761Z",
      "location_count": 3,
      "location_summary": "Miami, Florida • Knoxville, Tennessee • Memphis, Tennessee",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Knoxville",
          "state": "Tennessee"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05614011"
    },
    {
      "nct_id": "NCT06013423",
      "title": "Cord Blood Transplant, Cyclophosphamide, Fludarabine, and Total-Body Irradiation in Treating Patients With High-Risk Hematologic Diseases",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Leukemia of Ambiguous Lineage",
        "Acute Lymphoblastic Leukemia",
        "Acute Myeloid Leukemia",
        "Blastic Plasmacytoid Dendritic Cell Neoplasm",
        "Hematopoietic and Lymphatic System Neoplasm",
        "Mixed Phenotype Acute Leukemia",
        "Myelodysplastic Syndrome",
        "Myeloproliferative Neoplasm",
        "Non-Hodgkin Lymphoma",
        "Chronic Myeloid Leukemia, BCR-ABL1 Positive"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspirate",
          "type": "PROCEDURE"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "Diagnostic Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography",
          "type": "PROCEDURE"
        },
        {
          "name": "Fludarabine Phosphate",
          "type": "DRUG"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Mycophenolate Mofetil",
          "type": "DRUG"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Thiotepa",
          "type": "DRUG"
        },
        {
          "name": "Total-Body Irradiation",
          "type": "RADIATION"
        },
        {
          "name": "Umbilical Cord Blood Transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "6 Months to 65 Years"
      },
      "enrollment_count": 54,
      "start_date": "2024-07-23",
      "completion_date": "2032-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-22",
      "last_synced_at": "2026-10-17T14:59:59.761Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06013423"
    },
    {
      "nct_id": "NCT04074720",
      "title": "Prospective Breast Cancer Biospecimen Collection",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Invasive Breast Cancer",
        "Carcinoma in Situ of the Breast"
      ],
      "interventions": [
        {
          "name": "Tissue Sample collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood Sample Collection",
          "type": "OTHER"
        },
        {
          "name": "Rectal Swab",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2018-05-10",
      "completion_date": "2028-07-01",
      "has_results": false,
      "last_update_posted_date": "2025-12-03",
      "last_synced_at": "2026-10-17T14:59:59.761Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04074720"
    },
    {
      "nct_id": "NCT02453620",
      "title": "Entinostat, Nivolumab, and Ipilimumab in Treating Patients With Solid Tumors That Are Metastatic or Cannot Be Removed by Surgery or Locally Advanced or Metastatic HER2-Negative Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Anatomic Stage III Breast Cancer AJCC v8",
        "Anatomic Stage IV Breast Cancer AJCC v8",
        "Breast Adenocarcinoma",
        "Invasive Breast Carcinoma",
        "Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood Sample",
          "type": "OTHER"
        },
        {
          "name": "Bone Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Entinostat",
          "type": "DRUG"
        },
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pharmacogenomic Study",
          "type": "OTHER"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DRUG",
        "BIOLOGICAL"
      ],
      "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": 57,
      "start_date": "2016-02-12",
      "completion_date": "2027-09-11",
      "has_results": false,
      "last_update_posted_date": "2026-09-15",
      "last_synced_at": "2026-10-17T14:59:59.761Z",
      "location_count": 5,
      "location_summary": "Duarte, California • New Haven, Connecticut • Baltimore, Maryland + 1 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02453620"
    },
    {
      "nct_id": "NCT06330805",
      "title": "Effects of Relugolix vs Leuprolide on Cardiac Function in Patients With Prostate Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Adenocarcinoma",
        "Stage IIB Prostate Cancer AJCC v8",
        "Stage IIC Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Contrast Agent",
          "type": "OTHER"
        },
        {
          "name": "Leuprolide",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Physical Performance Testing",
          "type": "OTHER"
        },
        {
          "name": "Relugolix",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 70,
      "start_date": "2024-08-12",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-10-17T14:59:59.761Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06330805"
    },
    {
      "nct_id": "NCT06741072",
      "title": "BZLF1 Peptide Vaccine (OSU-2131) With QS-21 for the Prevention of Epstein-Barr Virus Related Cancer in Patients Awaiting Solid Organ Transplants",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chronic Kidney Disease, Stage 4",
        "Chronic Kidney Disease, Stage 5",
        "EBV-Related Lymphoproliferative Disorder",
        "EBV-Related Malignant Neoplasm",
        "Post-Transplant Lymphoproliferative Disorder"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Dulbecco''s Phosphate-Buffered Saline",
          "type": "DRUG"
        },
        {
          "name": "Peptide Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "QS21",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 55,
      "start_date": "2026-06-28",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-02",
      "last_synced_at": "2026-10-17T14:59:59.761Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06741072"
    },
    {
      "nct_id": "NCT04751383",
      "title": "Testing the Combination of Two Immunotherapy Drugs (Magrolimab and Dinutuximab) in Patients With Relapsed or Refractory Neuroblastoma or Relapsed Osteosarcoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "High Risk Neuroblastoma",
        "Recurrent Neuroblastoma",
        "Recurrent Osteosarcoma",
        "Refractory Neuroblastoma",
        "Resectable Osteosarcoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Dinutuximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Magrolimab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Resection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "2 Years to 35 Years"
      },
      "enrollment_count": 12,
      "start_date": "2021-08-31",
      "completion_date": "2024-09-30",
      "has_results": true,
      "last_update_posted_date": "2026-06-30",
      "last_synced_at": "2026-10-17T14:59:59.761Z",
      "location_count": 9,
      "location_summary": "Los Angeles, California • Palo Alto, California • San Francisco, California + 6 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04751383"
    },
    {
      "nct_id": "NCT04340141",
      "title": "Testing the Use of the Usual Chemotherapy Before and After Surgery for Removable Pancreatic Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pancreatic Adenosquamous Carcinoma",
        "Resectable Pancreatic Adenocarcinoma",
        "Stage I Pancreatic Cancer AJCC v8",
        "Stage II Pancreatic Cancer AJCC v8",
        "Stage III Pancreatic Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "Irinotecan Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Leucovorin Calcium",
          "type": "DRUG"
        },
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Resection",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 358,
      "start_date": "2020-10-13",
      "completion_date": "2030-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-10-17T14:59:59.761Z",
      "location_count": 441,
      "location_summary": "Birmingham, Alabama • Fairhope, Alabama • Mobile, Alabama + 325 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fairhope",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04340141"
    }
  ]
}