{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Specimen+Collection&page=27",
    "query": {
      "intervention": "Specimen Collection",
      "page": 27
    },
    "page_size": 10
  },
  "pagination": {
    "page": 27,
    "page_size": 10,
    "total_count": 3660,
    "total_pages": 366,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Specimen+Collection&page=28&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Specimen+Collection&page=26&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T08:19:37.338Z",
  "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": "NCT07318051",
      "title": "Sample Collection for Ongoing Research and Product Evaluation Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Lung Cancer",
        "Muscle Invasive Bladder Cancer",
        "Rectal Cancer",
        "Pancreatic Cancer",
        "Ovarian Cancer",
        "Gastroesophageal Cancer",
        "Prostate Cancer",
        "Melanoma",
        "Head and Neck Cancer",
        "Uterine Cancer",
        "Liver Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Natera, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9600,
      "start_date": "2025-07-21",
      "completion_date": "2035-01",
      "has_results": false,
      "last_update_posted_date": "2026-01-15",
      "last_synced_at": "2026-10-19T08:19:37.338Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07318051"
    },
    {
      "nct_id": "NCT01087307",
      "title": "Sample Collection Registry for Quality Control of Biological and Environmental Specimens and Assay Development and Testing",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Exposure"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Environmental Health Sciences (NIEHS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5326,
      "start_date": "2010-03-02",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-08-31",
      "last_synced_at": "2026-10-19T08:19:37.338Z",
      "location_count": 1,
      "location_summary": "Research Triangle Park, North Carolina",
      "locations": [
        {
          "city": "Research Triangle Park",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01087307"
    },
    {
      "nct_id": "NCT04588246",
      "title": "Comparing Whole Brain Radiotherapy Using a Technique That Avoids the Hippocampus to Stereotactic Radiosurgery in Patients With Cancer That Has Spread to the Brain and Come Back in Other Areas of the Brain After Earlier Stereotactic Radiosurgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anatomic Stage IV Breast Cancer AJCC v8",
        "Metastatic Lung Non-Small Cell Carcinoma",
        "Metastatic Lung Small Cell Carcinoma",
        "Metastatic Malignant Breast Neoplasm",
        "Metastatic Malignant Digestive System Neoplasm",
        "Metastatic Malignant Neoplasm in the Brain",
        "Metastatic Malignant Solid Neoplasm",
        "Metastatic Melanoma",
        "Metastatic Renal Cell Carcinoma",
        "Recurrent Brain Neoplasm",
        "Stage IV Lung Cancer AJCC v8",
        "Stage IV Renal Cell Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Memantine",
          "type": "DRUG"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Stereotactic Radiosurgery",
          "type": "RADIATION"
        },
        {
          "name": "Whole-Brain Radiotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "NRG Oncology",
      "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": "2021-08-05",
      "completion_date": "2024-08-06",
      "has_results": true,
      "last_update_posted_date": "2026-05-20",
      "last_synced_at": "2026-10-19T08:19:37.338Z",
      "location_count": 79,
      "location_summary": "Tucson, Arizona • Corona, California • Duarte, California + 63 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Corona",
          "state": "California"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04588246"
    },
    {
      "nct_id": "NCT05919342",
      "title": "Screening for earlY Heart Failure Diagnosis and Management in Primary Care or at HOme Using Natriuretic Peptides and echocardiographY \"SYMPHONY-HF\"",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure",
        "Cardiovascular Diseases"
      ],
      "interventions": [
        {
          "name": "NT-proBNP",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "NHS Greater Glasgow and Clyde",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 3904,
      "start_date": "2022-12-22",
      "completion_date": "2032-12-21",
      "has_results": false,
      "last_update_posted_date": "2023-08-04",
      "last_synced_at": "2026-10-19T08:19:37.338Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05919342"
    },
    {
      "nct_id": "NCT02045186",
      "title": "Monitoring of Oral Human Papillomavirus Infection (HPV) in HPV-positive Oropharyngeal Squamous Cell Carcinoma (OPSCC)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Carcinoma, Squamous Cell",
        "Head and Neck Neoplasms",
        "Oropharyngeal Neoplasms"
      ],
      "interventions": [
        {
          "name": "Assessment of Oral HPV Infection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 1,
      "start_date": "2013-12",
      "completion_date": "2014-11",
      "has_results": false,
      "last_update_posted_date": "2017-05-04",
      "last_synced_at": "2026-10-19T08:19:37.338Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02045186"
    },
    {
      "nct_id": "NCT00336960",
      "title": "Celecoxib, Fluorouracil, and Radiation Therapy in Treating Patients With Stage II or Stage III Rectal Cancer That Can Be Removed By Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "celecoxib",
          "type": "DRUG"
        },
        {
          "name": "fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "conventional surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "tumor biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "Vanderbilt-Ingram 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": 24,
      "start_date": "2002-07",
      "completion_date": "2008-03",
      "has_results": false,
      "last_update_posted_date": "2013-03-05",
      "last_synced_at": "2026-10-19T08:19:37.338Z",
      "location_count": 2,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00336960"
    },
    {
      "nct_id": "NCT06719583",
      "title": "Black and African Americans Connections to Parkinson's Disease (BLAAC PD)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Michael J. Fox Foundation for Parkinson's Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2000,
      "start_date": "2020-11-16",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-10-19T08:19:37.338Z",
      "location_count": 12,
      "location_summary": "Birmingham, Alabama • Gainesville, Florida • Chicago, Illinois + 8 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06719583"
    },
    {
      "nct_id": "NCT04145141",
      "title": "National Translational Science Network of Precision-based Immunotherapy for Primary Liver Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hepatocellular Carcinoma",
        "Liver Cancer",
        "Cholangiocarcinoma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 132,
      "start_date": "2021-07-28",
      "completion_date": "2026-08-06",
      "has_results": false,
      "last_update_posted_date": "2026-10-16",
      "last_synced_at": "2026-10-19T08:19:37.338Z",
      "location_count": 4,
      "location_summary": "Bethesda, Maryland • New York, New York • Philadelphia, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04145141"
    },
    {
      "nct_id": "NCT07733141",
      "title": "Mindfulness Intervention to Reduce Patient Reported Symptoms in Patients With Chronic Graft-Versus-Host Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Graft Versus Host Disease",
        "Hematopoietic and Lymphatic System Neoplasm",
        "Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Mindfulness Relaxation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BEHAVIORAL",
        "OTHER"
      ],
      "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": 17,
      "start_date": "2027-03-01",
      "completion_date": "2028-04-08",
      "has_results": false,
      "last_update_posted_date": "2026-10-16",
      "last_synced_at": "2026-10-19T08:19:37.338Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07733141"
    },
    {
      "nct_id": "NCT07543159",
      "title": "Clinical Biospecimen Collection",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer Risk"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "North Shore Hematology Oncology Associates P.C dba New York Cancer and Blood Specialists",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 900000,
      "start_date": "2025-12-23",
      "completion_date": "2035-10-06",
      "has_results": false,
      "last_update_posted_date": "2026-04-24",
      "last_synced_at": "2026-10-19T08:19:37.338Z",
      "location_count": 1,
      "location_summary": "Shirley, New York",
      "locations": [
        {
          "city": "Shirley",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07543159"
    }
  ]
}