{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tissue+Samples&page=9",
    "query": {
      "intervention": "Tissue Samples",
      "page": 9
    },
    "page_size": 10
  },
  "pagination": {
    "page": 9,
    "page_size": 10,
    "total_count": 739,
    "total_pages": 74,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tissue+Samples&page=10&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tissue+Samples&page=8&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-25T02:37:53.256Z",
  "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": "NCT05023967",
      "title": "Metformin and Nightly Fasting in Women With Early Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anatomic Stage I Breast Cancer AJCC v8",
        "Anatomic Stage II Breast Cancer AJCC v8",
        "Breast Ductal Carcinoma In Situ",
        "Invasive Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Extended Release Metformin Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Monitoring",
          "type": "OTHER"
        },
        {
          "name": "Nutritional Assessment",
          "type": "OTHER"
        },
        {
          "name": "Short-Term Fasting",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 120,
      "start_date": "2023-04-04",
      "completion_date": "2026-12-16",
      "has_results": false,
      "last_update_posted_date": "2026-01-05",
      "last_synced_at": "2026-10-25T02:37:53.256Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05023967"
    },
    {
      "nct_id": "NCT06747806",
      "title": "Biobank Cardiac Surgery",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiovascular Diseases"
      ],
      "interventions": [
        {
          "name": "Cardiac Surgery and Procedures",
          "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": 500,
      "start_date": "2023-12-18",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2025-12-19",
      "last_synced_at": "2026-10-25T02:37:53.256Z",
      "location_count": 1,
      "location_summary": "Hyde Park, Illinois",
      "locations": [
        {
          "city": "Hyde Park",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06747806"
    },
    {
      "nct_id": "NCT00899834",
      "title": "DNA Analysis of Tumor Tissue Samples From Patients With Diffuse Brain Stem Glioma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Brain Tumors",
        "Central Nervous System Tumors"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "Up to 18 Years"
      },
      "enrollment_count": 81,
      "start_date": "2006-06",
      "completion_date": "2015-08",
      "has_results": false,
      "last_update_posted_date": "2016-07-26",
      "last_synced_at": "2026-10-25T02:37:53.256Z",
      "location_count": 3,
      "location_summary": "Palo Alto, California • Memphis, Tennessee • Seattle, Washington",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00899834"
    },
    {
      "nct_id": "NCT02685098",
      "title": "A Clinical and Histological Analysis of Mesenchymal Stem Cells in Amputation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Ischemia",
        "Peripheral Arterial Disease",
        "Peripheral Vascular Disease",
        "Vascular Disease",
        "Arterial Occlusive Disease",
        "Arteriosclerosis",
        "Atherosclerosis",
        "Cardiovascular Disease",
        "Pathologic Processes",
        "Orthopedic Procedures",
        "Amputation"
      ],
      "interventions": [
        {
          "name": "Allogeneic bone marrow derived mesenchymal stem cells",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "40 Years to 90 Years"
      },
      "enrollment_count": 81,
      "start_date": "2017-01-23",
      "completion_date": "2023-10-03",
      "has_results": false,
      "last_update_posted_date": "2025-09-23",
      "last_synced_at": "2026-10-25T02:37:53.256Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02685098"
    },
    {
      "nct_id": "NCT07675967",
      "title": "Clonal Hematopoiesis Chemotherapy and Radiation Effects Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer (Diagnosis)",
        "Osteochondroma",
        "Spitz Nevus",
        "Solid Cancers",
        "Breast Cancer",
        "Gastric (Stomach) Cancer",
        "Colorectal (Colon or Rectal) Cancer",
        "Sarcoma",
        "Ovarian Adenocarcinoma",
        "Uterine Adenocarcinoma",
        "Endometrial Adenocarcinoma",
        "Esophageal Adenocarcinoma",
        "Head and Neck Cancer",
        "Therapy-Related Acute Myeloid Leukemia",
        "Therapy-Related MDS",
        "Clonal Hematopoiesis of Indeterminate Potential (CHIP)",
        "Clonal Cytopenia of Undetermined Significance"
      ],
      "interventions": [
        {
          "name": "Samples",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5000,
      "start_date": "2025-04-04",
      "completion_date": "2035-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-30",
      "last_synced_at": "2026-10-25T02:37:53.256Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07675967"
    },
    {
      "nct_id": "NCT00897507",
      "title": "DNA Analysis of Tumor Tissue Samples From Young Patients With Acute Lymphoblastic Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Childhood Acute Lymphoblastic Leukemia in Remission",
        "Recurrent Childhood Acute Lymphoblastic Leukemia"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "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": 520,
      "start_date": "2004-05-13",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2022-08-15",
      "last_synced_at": "2026-10-25T02:37:53.256Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00897507"
    },
    {
      "nct_id": "NCT06960798",
      "title": "Characterizing the Genomic Landscape of Cancer in Native American Populations (NAT-Geno)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer",
        "Renal Cell Carcinoma (RCC)"
      ],
      "interventions": [
        {
          "name": "Bio-specimen Collection",
          "type": "OTHER"
        },
        {
          "name": "Blood Draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "MALE",
        "summary": "18 Years to 100 Years · Male only"
      },
      "enrollment_count": 300,
      "start_date": "2026-11-02",
      "completion_date": "2029-10-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-13",
      "last_synced_at": "2026-10-25T02:37:53.256Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06960798"
    },
    {
      "nct_id": "NCT03051126",
      "title": "Establishment of a Parathyroid Tissue Bank",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parathyroid Disease"
      ],
      "interventions": [
        {
          "name": "Tissue Samples",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 10000,
      "start_date": "2009-07-09",
      "completion_date": "2025-07-01",
      "has_results": false,
      "last_update_posted_date": "2020-01-27",
      "last_synced_at": "2026-10-25T02:37:53.256Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03051126"
    },
    {
      "nct_id": "NCT02520115",
      "title": "Folate Receptor in Diagnosing Ovarian Cancer Using Serum Samples From Patients With Newly Diagnosed Pelvic Mass or Previously Diagnosed Ovarian Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Adnexal Mass",
        "Borderline Ovarian Epithelial Tumor",
        "Ovarian Clear Cell Tumor",
        "Ovarian Endometrioid Tumor",
        "Ovarian Neoplasm",
        "Ovarian Serous Tumor",
        "Recurrent Ovarian Carcinoma"
      ],
      "interventions": [
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Valproic Acid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Barbara Ann Karmanos Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 50,
      "start_date": "2015-08",
      "completion_date": "2018-11",
      "has_results": false,
      "last_update_posted_date": "2019-08-14",
      "last_synced_at": "2026-10-25T02:37:53.256Z",
      "location_count": 2,
      "location_summary": "Bay City, Michigan • Detroit, Michigan",
      "locations": [
        {
          "city": "Bay City",
          "state": "Michigan"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02520115"
    },
    {
      "nct_id": "NCT05777174",
      "title": "Study of MB-102 (Relmapirazin) and the Use of the MediBeacon® Transdermal GFR Measurement System Using the TGFR Reusable Sensor With Disposable Adhesive Ring",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Kidney Diseases",
        "Kidney Injury",
        "Kidney Failure"
      ],
      "interventions": [
        {
          "name": "MB-102",
          "type": "DRUG"
        },
        {
          "name": "MediBeacon Transdermal Glomerular Filtration Rate Measurement System (TGFR)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "MediBeacon",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 149,
      "start_date": "2023-03-20",
      "completion_date": "2024-04-15",
      "has_results": true,
      "last_update_posted_date": "2025-03-28",
      "last_synced_at": "2026-10-25T02:37:53.256Z",
      "location_count": 5,
      "location_summary": "Chicago, Illinois • Columbus, Ohio • Austin, Texas + 1 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05777174"
    }
  ]
}