{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biospecimen+Collection&page=4",
    "query": {
      "intervention": "Biospecimen Collection",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 3512,
    "total_pages": 352,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biospecimen+Collection&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biospecimen+Collection&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-16T17:28:30.653Z",
  "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": "NCT04603326",
      "title": "FoxBioNet: ECV (Extracellular Vesicle) 004",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Lumbar Puncture",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Michael J. Fox Foundation for Parkinson's Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 140,
      "start_date": "2021-05-06",
      "completion_date": "2023-07-01",
      "has_results": false,
      "last_update_posted_date": "2023-10-16",
      "last_synced_at": "2026-10-16T17:28:30.653Z",
      "location_count": 4,
      "location_summary": "Chicago, Illinois • New York, New York • Portland, Oregon + 1 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04603326"
    },
    {
      "nct_id": "NCT06859008",
      "title": "Zanubrutinib in Combination With Sonrotoclax for the Treatment of Underrepresented Ethnic and Racial Minorities With Relapsed or Refractory B-cell Non-Hodgkin Lymphoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma",
        "Recurrent Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma",
        "Recurrent Diffuse Large B-Cell Lymphoma",
        "Recurrent Extranodal Marginal Zone Lymphoma of Mucosa-Associated Lymphoid Tissue",
        "Recurrent Grade 1 Follicular Lymphoma",
        "Recurrent Grade 2 Follicular Lymphoma",
        "Recurrent Grade 3a Follicular Lymphoma",
        "Recurrent Mantle Cell Lymphoma",
        "Recurrent Nodal Marginal Zone Lymphoma",
        "Recurrent Splenic Marginal Zone Lymphoma",
        "Refractory Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma",
        "Refractory Diffuse Large B-Cell Lymphoma",
        "Refractory Extranodal Marginal Zone Lymphoma of Mucosa-Associated Lymphoid Tissue",
        "Refractory Grade 1 Follicular Lymphoma",
        "Refractory Grade 2 Follicular Lymphoma",
        "Refractory Grade 3a Follicular Lymphoma",
        "Refractory Mantle Cell Lymphoma",
        "Refractory Nodal Marginal Zone Lymphoma",
        "Refractory Splenic Marginal Zone 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": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Sonrotoclax",
          "type": "DRUG"
        },
        {
          "name": "Zanubrutinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DRUG"
      ],
      "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": 37,
      "start_date": "2025-08-25",
      "completion_date": "2029-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-20",
      "last_synced_at": "2026-10-16T17:28:30.653Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06859008"
    },
    {
      "nct_id": "NCT04785391",
      "title": "A Sample Collection Study to Validate the NEPHROCLEAR™ CCL14 Test",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Kidney Injury"
      ],
      "interventions": [
        {
          "name": "Urine collection for NEPHROCLEAR CCL14 Test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Astute Medical, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2021-06-08",
      "completion_date": "2022-12",
      "has_results": false,
      "last_update_posted_date": "2022-07-20",
      "last_synced_at": "2026-10-16T17:28:30.653Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04785391"
    },
    {
      "nct_id": "NCT01462448",
      "title": "Study to Identify the Genetic Variations Associated With Phantom Limb Pain",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Phantom Limb"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Henry M. Jackson Foundation for the Advancement of Military Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 726,
      "start_date": "2012-03",
      "completion_date": "2023-08-06",
      "has_results": false,
      "last_update_posted_date": "2025-08-12",
      "last_synced_at": "2026-10-16T17:28:30.653Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01462448"
    },
    {
      "nct_id": "NCT00152659",
      "title": "Developing Criteria for Cortical Resections",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Epilepsy",
        "Tumor"
      ],
      "interventions": [
        {
          "name": "Tissue sample (procedure/screening)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 87,
      "start_date": "1998-09-01",
      "completion_date": "2022-11-14",
      "has_results": false,
      "last_update_posted_date": "2023-04-26",
      "last_synced_at": "2026-10-16T17:28:30.653Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00152659"
    },
    {
      "nct_id": "NCT04427761",
      "title": "A Study of the Life Changes Experienced by Patients With Pancreatic Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "Measurement of Transitions in Cancer Scale (MOT-CA) Survey",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Distress Thermometer Survey",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering 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": 55,
      "start_date": "2020-06-05",
      "completion_date": "2027-06-05",
      "has_results": false,
      "last_update_posted_date": "2026-07-02",
      "last_synced_at": "2026-10-16T17:28:30.653Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04427761"
    },
    {
      "nct_id": "NCT01813695",
      "title": "Preemptive Genotyping and Pain Management",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Preemptive genotyping in medical record",
          "type": "PROCEDURE"
        },
        {
          "name": "Genotyping not included in electronic medical record",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "6 Years to 21 Years"
      },
      "enrollment_count": 576,
      "start_date": "2013-03",
      "completion_date": "2022-12-30",
      "has_results": false,
      "last_update_posted_date": "2024-02-22",
      "last_synced_at": "2026-10-16T17:28:30.653Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01813695"
    },
    {
      "nct_id": "NCT05930496",
      "title": "Evaluating the Effects of an Exercise Intervention on the Gut Microbiota in Stage II-III Colorectal Cancer Survivors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stage II Colorectal Cancer AJCC v8",
        "Stage III Colorectal Cancer AJCC v8",
        "Colorectal Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Exercise Intervention",
          "type": "OTHER"
        },
        {
          "name": "Health Education",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "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": 10,
      "start_date": "2025-07-08",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-10-16T17:28:30.653Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05930496"
    },
    {
      "nct_id": "NCT00539370",
      "title": "Human Samples and Data Repository",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Uveitis",
        "Scleritis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Eye Institute (NEI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1862,
      "start_date": "2007-08-29",
      "completion_date": "2022-08-19",
      "has_results": false,
      "last_update_posted_date": "2022-08-26",
      "last_synced_at": "2026-10-16T17:28:30.653Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00539370"
    },
    {
      "nct_id": "NCT06813872",
      "title": "Effectiveness of ABRYSVO® Maternal Respiratory Syncytial Virus (RSV) Vaccine Against RSV in Infants in Western Pennsylvania",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Respiratory Syncytial Viruses"
      ],
      "interventions": [
        {
          "name": "ABRYSVO Vaccination",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Months",
        "maximum_age": "6 Months",
        "sex": "ALL",
        "summary": "0 Months to 6 Months"
      },
      "enrollment_count": 1,
      "start_date": "2025-02-24",
      "completion_date": "2027-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-03",
      "last_synced_at": "2026-10-16T17:28:30.653Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06813872"
    }
  ]
}