{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Specimen+Collection&page=40",
    "query": {
      "intervention": "Specimen Collection",
      "page": 40
    },
    "page_size": 10
  },
  "pagination": {
    "page": 40,
    "page_size": 10,
    "total_count": 3660,
    "total_pages": 366,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Specimen+Collection&page=41&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Specimen+Collection&page=39&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T01:37:49.987Z",
  "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": "NCT02474160",
      "title": "Collection and Storage of Tissue and Blood Samples From Patients With Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hematopoietic and Lymphatic System Neoplasm",
        "Malignant Solid Neoplasm",
        "Metastatic Malignant Solid Neoplasm",
        "Recurrent Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "National Cancer Institute LAO",
      "sponsor_class": "UNKNOWN",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Months and older"
      },
      "enrollment_count": 5000,
      "start_date": "2015-05-19",
      "completion_date": "2028-05-04",
      "has_results": false,
      "last_update_posted_date": "2026-10-09",
      "last_synced_at": "2026-10-20T01:37:49.987Z",
      "location_count": 139,
      "location_summary": "Birmingham, Alabama • Fort Smith, Arkansas • Arroyo Grande, California + 94 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fort Smith",
          "state": "Arkansas"
        },
        {
          "city": "Arroyo Grande",
          "state": "California"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02474160"
    },
    {
      "nct_id": "NCT01434355",
      "title": "DNA Analysis in Samples From Younger Patients With Germ Cell Tumors and Their Parents or Siblings",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Childhood Malignant Ovarian Germ Cell Tumor",
        "Childhood Malignant Testicular Germ Cell Tumor",
        "Ovarian Choriocarcinoma",
        "Ovarian Embryonal Carcinoma",
        "Ovarian Mixed Germ Cell Tumor",
        "Ovarian Teratoma",
        "Ovarian Yolk Sac Tumor",
        "Testicular Choriocarcinoma",
        "Testicular Embryonal Carcinoma",
        "Testicular Seminoma",
        "Testicular Teratoma",
        "Testicular Yolk Sac Tumor"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "Up to 19 Years"
      },
      "enrollment_count": 932,
      "start_date": "2011-11-01",
      "completion_date": "2016-08-04",
      "has_results": false,
      "last_update_posted_date": "2019-01-07",
      "last_synced_at": "2026-10-20T01:37:49.987Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01434355"
    },
    {
      "nct_id": "NCT04810143",
      "title": "Tacrolimus Microsampling",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Validate Volumetric Absorptive Microsampling (VAMS) Assay"
      ],
      "interventions": [
        {
          "name": "Mitra Microsampler",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "1 Year to 21 Years"
      },
      "enrollment_count": 16,
      "start_date": "2019-10-07",
      "completion_date": "2022-07-28",
      "has_results": false,
      "last_update_posted_date": "2022-12-20",
      "last_synced_at": "2026-10-20T01:37:49.987Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04810143"
    },
    {
      "nct_id": "NCT06368817",
      "title": "A Study of Lower Radiotherapy Dose to Treat Children With CNS Germinoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Basal Ganglia Germinoma",
        "Diabetes Insipidus",
        "Germinoma",
        "Pineal Region Germinoma",
        "Suprasellar Germinoma",
        "Thalamic Germinoma"
      ],
      "interventions": [
        {
          "name": "3-Dimensional Conformal Proton Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "3-Dimensional Conformal Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Intensity-Modulated Proton Therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Lumbar Puncture",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Surgical Procedure",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "3 Years to 29 Years"
      },
      "enrollment_count": 240,
      "start_date": "2024-10-22",
      "completion_date": "2033-11-04",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-10-20T01:37:49.987Z",
      "location_count": 97,
      "location_summary": "Mobile, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 76 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06368817"
    },
    {
      "nct_id": "NCT05919108",
      "title": "Neoadjuvant Neratinib in Stage I-III HER2-Mutated Lobular Breast Cancers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anatomic Stage I Breast Cancer",
        "Anatomic Stage II Breast Cancer",
        "Anatomic Stage III Breast Cancer",
        "Invasive Breast Lobular Carcinoma"
      ],
      "interventions": [
        {
          "name": "Endocrine Therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biopsy of breast",
          "type": "PROCEDURE"
        },
        {
          "name": "Neratinib",
          "type": "DRUG"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Mammogram",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Breast Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Ultrasound",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "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": 30,
      "start_date": "2024-06-11",
      "completion_date": "2031-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-10-20T01:37:49.987Z",
      "location_count": 5,
      "location_summary": "Atlanta, Georgia • Pittsburgh, Pennsylvania • Nashville, Tennessee + 2 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05919108"
    },
    {
      "nct_id": "NCT02496208",
      "title": "Cabozantinib S-malate and Nivolumab With or Without Ipilimumab in Treating Patients With Metastatic Genitourinary Tumors",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Bladder Small Cell Neuroendocrine Carcinoma",
        "Bladder Squamous Cell Carcinoma",
        "Bladder Urothelial Carcinoma",
        "Clear Cell Renal Cell Carcinoma",
        "Invasive Bladder Plasmacytoid Urothelial Carcinoma",
        "Invasive Bladder Sarcomatoid Urothelial Carcinoma",
        "Invasive Sarcomatoid Urothelial Carcinoma",
        "Kidney Medullary Carcinoma",
        "Malignant Genitourinary System Neoplasm",
        "Malignant Solid Neoplasm",
        "Penile Carcinoma",
        "Penile Squamous Cell Carcinoma",
        "Renal Cell Carcinoma",
        "Renal Pelvis Urothelial Carcinoma",
        "Sarcomatoid Renal Cell Carcinoma",
        "Stage III Bladder Cancer AJCC v8",
        "Stage III Penile Cancer AJCC v8",
        "Stage III Renal Cell Cancer AJCC v8",
        "Stage III Renal Pelvis and Ureter Cancer AJCC v8",
        "Stage III Renal Pelvis Cancer AJCC v8",
        "Stage III Ureter Cancer AJCC v8",
        "Stage III Urethral Cancer AJCC v8",
        "Stage IV Bladder Cancer AJCC v8",
        "Stage IV Penile Cancer AJCC v8",
        "Stage IV Renal Cell Cancer AJCC v8",
        "Stage IV Renal Pelvis and Ureter Cancer AJCC v8",
        "Stage IV Ureter Cancer AJCC v8",
        "Stage IV Urethral Cancer AJCC v8",
        "Ureter Urothelial Carcinoma",
        "Urethral Urothelial Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Cabozantinib S-malate",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "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": 152,
      "start_date": "2015-07-22",
      "completion_date": "2027-07-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-15",
      "last_synced_at": "2026-10-20T01:37:49.987Z",
      "location_count": 8,
      "location_summary": "Duarte, California • Los Angeles, California • Sacramento, California + 3 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02496208"
    },
    {
      "nct_id": "NCT06347068",
      "title": "Study of Autologous CAR-T Cells Targeting B7-H3 in TNBC iC9-CAR.B7-H3 T Cells",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Cancer",
        "Relapse",
        "Resistant Cancer",
        "Triple Negative Breast Cancer"
      ],
      "interventions": [
        {
          "name": "iC9-CAR.B7-H3 T Cell Therapy",
          "type": "BIOLOGICAL"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "fludarabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "UNC Lineberger Comprehensive 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": 42,
      "start_date": "2024-06-27",
      "completion_date": "2030-05",
      "has_results": false,
      "last_update_posted_date": "2026-07-28",
      "last_synced_at": "2026-10-20T01:37:49.987Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06347068"
    },
    {
      "nct_id": "NCT03590678",
      "title": "Collection of Whole Blood Specimens in Pregnant Women",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pregnancy Related"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Illumina, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 3000,
      "start_date": "2017-02-13",
      "completion_date": "2019-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-05-05",
      "last_synced_at": "2026-10-20T01:37:49.987Z",
      "location_count": 5,
      "location_summary": "Los Angeles, California • Riverside, California • Las Vegas, Nevada + 2 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03590678"
    },
    {
      "nct_id": "NCT00897650",
      "title": "Protein and RNA Expression Patterns in Predicting Response to Treatment in Patients With Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "DNA/RNA sequencing and expression levels",
          "type": "GENETIC"
        },
        {
          "name": "Protein expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "Lung tumor biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood sample",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt-Ingram Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "Up to 120 Years"
      },
      "enrollment_count": 204,
      "start_date": "2005-12",
      "completion_date": "2017-07",
      "has_results": false,
      "last_update_posted_date": "2017-07-19",
      "last_synced_at": "2026-10-20T01:37:49.987Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00897650"
    },
    {
      "nct_id": "NCT01544868",
      "title": "Total Energy Expenditure, Protein Kinetics, and Body Composition in Recovering Burn Children.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Energy Expenditure in Burn Children",
        "Protein Turnover in Burn Children"
      ],
      "interventions": [
        {
          "name": "Use of Stable Isotope to Measure Energy Expenditure and Protein Turnover",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Shriners Hospitals for Children",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "2 Years to 18 Years"
      },
      "enrollment_count": 12,
      "start_date": "2011-11",
      "completion_date": "2013-01",
      "has_results": false,
      "last_update_posted_date": "2014-08-20",
      "last_synced_at": "2026-10-20T01:37:49.987Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01544868"
    }
  ]
}