{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tissue+specimen+collection",
    "query": {
      "intervention": "Tissue specimen collection"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 1103,
    "total_pages": 111,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tissue+specimen+collection&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T00:47:28.258Z",
  "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": "NCT07136493",
      "title": "Circulating Tumor DNA Based Minimal Residual Disease Detection for Patients With Early-Stage Breast Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anatomic Stage I Breast Cancer AJCC v8",
        "Anatomic Stage II Breast Cancer AJCC v8",
        "Anatomic Stage III Breast Cancer AJCC v8",
        "Estrogen Receptor-Positive Breast Carcinoma",
        "HER2-Negative Breast Carcinoma",
        "HER2-Positive Breast Carcinoma",
        "Triple-Negative Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "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": 0,
      "start_date": "2026-05-12",
      "completion_date": "2026-06-16",
      "has_results": false,
      "last_update_posted_date": "2026-06-25",
      "last_synced_at": "2026-09-05T00:47:28.258Z",
      "location_count": 5,
      "location_summary": "Goodyear, Arizona • Duarte, California • Irvine, California + 2 more",
      "locations": [
        {
          "city": "Goodyear",
          "state": "Arizona"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Newnan",
          "state": "Georgia"
        },
        {
          "city": "Zion",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07136493"
    },
    {
      "nct_id": "NCT02741648",
      "title": "RBC Irradiation, Anemia and Gut Injury",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Anemia",
        "Necrotizing Enterocolitis"
      ],
      "interventions": [
        {
          "name": "Near Infrared Spectroscopy",
          "type": "DEVICE"
        },
        {
          "name": "Non-invasive Image-based Anemia Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "5 Days",
        "sex": "ALL",
        "summary": "1 Day to 5 Days"
      },
      "enrollment_count": 324,
      "start_date": "2016-07",
      "completion_date": "2026-02-19",
      "has_results": false,
      "last_update_posted_date": "2026-06-02",
      "last_synced_at": "2026-09-05T00:47:28.258Z",
      "location_count": 3,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02741648"
    },
    {
      "nct_id": "NCT03676647",
      "title": "Diagnostic DNA Methylation Signature in Diagnosing Thyroid Cancer After Fine-Needle Aspiration in Patients With Thyroid Nodules",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Thyroid Gland Nodule"
      ],
      "interventions": [
        {
          "name": "Diagnostic DNA Methylation Signature",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2027-01-01",
      "completion_date": "2028-09-25",
      "has_results": false,
      "last_update_posted_date": "2026-06-02",
      "last_synced_at": "2026-09-05T00:47:28.258Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03676647"
    },
    {
      "nct_id": "NCT00675714",
      "title": "Assessment of the Treatment of Severely Burned With Anabolic Agents on Clinical Outcomes, Recovery and Rehabilitation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Burns"
      ],
      "interventions": [
        {
          "name": "Stable Isotope Infusion Study",
          "type": "PROCEDURE"
        },
        {
          "name": "Collection of blood and tissues",
          "type": "PROCEDURE"
        },
        {
          "name": "Radiology testing: Dual-energy X-ray absorptiometry (DEXA), ultrasound, MRI",
          "type": "PROCEDURE"
        },
        {
          "name": "Humatrope",
          "type": "DRUG"
        },
        {
          "name": "Ketoconazole",
          "type": "DRUG"
        },
        {
          "name": "Oxandrolone",
          "type": "DRUG"
        },
        {
          "name": "Propranolol",
          "type": "DRUG"
        },
        {
          "name": "Oxandrolone and propranolol combined",
          "type": "DRUG"
        },
        {
          "name": "Humatrope and propranolol combined",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Exercise--Hospital supervised intensive exercise program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Home exercise program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Texas Medical Branch, Galveston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "Up to 80 Years"
      },
      "enrollment_count": 1126,
      "start_date": "2004-01",
      "completion_date": "2019-07-15",
      "has_results": false,
      "last_update_posted_date": "2019-11-29",
      "last_synced_at": "2026-09-05T00:47:28.258Z",
      "location_count": 1,
      "location_summary": "Galveston, Texas",
      "locations": [
        {
          "city": "Galveston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00675714"
    },
    {
      "nct_id": "NCT03116633",
      "title": "Concordance of Inivata Liquid Biopsy With Standard Tissue Biopsy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Non-Small Cell Lung Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Inivata",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2017-06-30",
      "completion_date": "2018-12-31",
      "has_results": false,
      "last_update_posted_date": "2019-05-16",
      "last_synced_at": "2026-09-05T00:47:28.258Z",
      "location_count": 6,
      "location_summary": "Fort Smith, Arkansas • Joplin, Missouri • Springfield, Missouri + 3 more",
      "locations": [
        {
          "city": "Fort Smith",
          "state": "Arkansas"
        },
        {
          "city": "Joplin",
          "state": "Missouri"
        },
        {
          "city": "Springfield",
          "state": "Missouri"
        },
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        },
        {
          "city": "Allentown",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03116633"
    },
    {
      "nct_id": "NCT01099410",
      "title": "Apoptotic Cell (AC) Uptake by Human Alveolar Macrophages (AM)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "Fiberoptic bronchoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "blood draw",
          "type": "PROCEDURE"
        },
        {
          "name": "intravenous catheter",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 17,
      "start_date": "2010-02",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2016-01-06",
      "last_synced_at": "2026-09-05T00:47:28.258Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01099410"
    },
    {
      "nct_id": "NCT01078350",
      "title": "Consent for Obtaining Additional Tissue at the Time of a Diagnostic Biopsy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lymphoma",
        "Hodgkin Disease"
      ],
      "interventions": [
        {
          "name": "tumor tissue aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "phlebotomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 93,
      "start_date": "2004-05",
      "completion_date": "2015-12-04",
      "has_results": false,
      "last_update_posted_date": "2017-11-20",
      "last_synced_at": "2026-09-05T00:47:28.258Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01078350"
    },
    {
      "nct_id": "NCT02658279",
      "title": "Pembrolizumab (MK-3475) in Patients With Recurrent Malignant Glioma With a Hypermutator Phenotype",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glioma",
        "Recurrent Malignant Glioma"
      ],
      "interventions": [
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 27,
      "start_date": "2016-01-22",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-09-05T00:47:28.258Z",
      "location_count": 16,
      "location_summary": "Los Angeles, California • San Francisco, California • Miami, Florida + 11 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02658279"
    },
    {
      "nct_id": "NCT00919750",
      "title": "Collecting and Storing Blood and Brain Tumor Tissue Samples From Children With Brain Tumors",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Childhood Atypical Teratoid/Rhabdoid Tumor",
        "Childhood Central Nervous System Germ Cell Tumor",
        "Childhood Cerebral Anaplastic Astrocytoma",
        "Childhood Cerebral Astrocytoma",
        "Childhood Choroid Plexus Neoplasm",
        "Childhood Craniopharyngioma",
        "Childhood Grade I Meningioma",
        "Childhood Grade II Meningioma",
        "Childhood Grade III Meningioma",
        "Childhood Infratentorial Ependymoma",
        "Childhood Oligodendroglioma",
        "Childhood Supratentorial Ependymoma",
        "Ependymoma",
        "Newly Diagnosed Childhood Ependymoma",
        "Recurrent Childhood Cerebellar Astrocytoma",
        "Recurrent Childhood Cerebral Astrocytoma",
        "Recurrent Childhood Ependymoma",
        "Recurrent Childhood Medulloblastoma",
        "Recurrent Childhood Supratentorial Embryonal Tumor, Not Otherwise Specified",
        "Recurrent Childhood Visual Pathway Glioma"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "Up to 18 Years"
      },
      "enrollment_count": 1258,
      "start_date": "2004-02-16",
      "completion_date": "2018-06-30",
      "has_results": false,
      "last_update_posted_date": "2018-07-16",
      "last_synced_at": "2026-09-05T00:47:28.258Z",
      "location_count": 163,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 123 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00919750"
    },
    {
      "nct_id": "NCT04925089",
      "title": "Localized Leiomyosarcoma Biomarker Protocol",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Leiomyosarcoma"
      ],
      "interventions": [
        {
          "name": "Blood and Tissue collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Michigan Rogel Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 40,
      "start_date": "2023-04-26",
      "completion_date": "2026-11",
      "has_results": false,
      "last_update_posted_date": "2026-07-02",
      "last_synced_at": "2026-09-05T00:47:28.258Z",
      "location_count": 3,
      "location_summary": "Ann Arbor, Michigan • Rochester, Minnesota • Nashville, Tennessee",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04925089"
    }
  ]
}