{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tissue+Samples&page=5",
    "query": {
      "intervention": "Tissue Samples",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 739,
    "total_pages": 74,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tissue+Samples&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tissue+Samples&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T05:36:43.155Z",
  "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": "NCT04807595",
      "title": "Estimation of the Prevalence of HER2 Low and Describe the SoC, Treatment Patterns, and Outcome in Real-world Practice Among Unresectable and/or Metastatic Breast Cancer Patients With HER2 Low Status",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "None (Observational study)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "130 Years",
        "sex": "ALL",
        "summary": "18 Years to 130 Years"
      },
      "enrollment_count": 798,
      "start_date": "2021-05-28",
      "completion_date": "2022-04-26",
      "has_results": false,
      "last_update_posted_date": "2023-03-06",
      "last_synced_at": "2026-10-24T05:36:43.155Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04807595"
    },
    {
      "nct_id": "NCT06976502",
      "title": "Health eHeart BioBank",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Diseases",
        "Cardiac Diseases",
        "Vascular Diseases",
        "Cardiovascular Diseases"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Tissue Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "DNA Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Medical Chart Review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500000,
      "start_date": "2025-04-01",
      "completion_date": "2035-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-14",
      "last_synced_at": "2026-10-24T05:36:43.155Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06976502"
    },
    {
      "nct_id": "NCT05663502",
      "title": "Collecting Blood and Tissue Sample Donations for Research for HIV/AIDS-Related Cancers",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Anal Carcinoma",
        "Hematopoietic and Lymphoid Cell Neoplasm",
        "HIV Infection",
        "Kaposi Sarcoma",
        "Lymphoma",
        "Malignant Solid Neoplasm",
        "Multicentric Castleman Disease",
        "Plasmablastic Lymphoma",
        "Recurrent Kaposi Sarcoma",
        "Recurrent Lymphoma",
        "Recurrent Plasmablastic Lymphoma",
        "Transplant-Related Kaposi Sarcoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "AIDS Malignancy Consortium",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2023-05-10",
      "completion_date": "2035-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-01",
      "last_synced_at": "2026-10-24T05:36:43.155Z",
      "location_count": 8,
      "location_summary": "La Jolla, California • San Francisco, California • Washington D.C., District of Columbia + 4 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05663502"
    },
    {
      "nct_id": "NCT02238327",
      "title": "Longitudinal Evaluation of HIV-associated Lung Disease Phenotypes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease",
        "HIV",
        "Emphysema"
      ],
      "interventions": [
        {
          "name": "blood draw",
          "type": "PROCEDURE"
        },
        {
          "name": "questionnaires",
          "type": "PROCEDURE"
        },
        {
          "name": "Lung function testing",
          "type": "PROCEDURE"
        },
        {
          "name": "Six-Minute walk test",
          "type": "PROCEDURE"
        },
        {
          "name": "Quantitative CT scans",
          "type": "RADIATION"
        },
        {
          "name": "Nasal secretion and cell collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiogram",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 232,
      "start_date": "2014-09",
      "completion_date": "2020-03-02",
      "has_results": false,
      "last_update_posted_date": "2020-10-08",
      "last_synced_at": "2026-10-24T05:36:43.155Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02238327"
    },
    {
      "nct_id": "NCT02877056",
      "title": "Molecular Determinants of Response to Preoperative Therapy in Patients With Locally Advanced Colorectal Cancer",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Endoscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "M.D. Anderson 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": 250,
      "start_date": "2005-08",
      "completion_date": "2023-08",
      "has_results": false,
      "last_update_posted_date": "2019-05-29",
      "last_synced_at": "2026-10-24T05:36:43.155Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02877056"
    },
    {
      "nct_id": "NCT01563874",
      "title": "Proteomic-Based Profiling of Lymphomas: Chromatin Proteomics; Composition and Modification of Histone and Non-Histone Chromosomal Proteins",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lymphoma",
        "Lymphoid Hyperplasia"
      ],
      "interventions": [],
      "intervention_types": [],
      "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": 130,
      "start_date": "2009-06-02",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-10-13",
      "last_synced_at": "2026-10-24T05:36:43.155Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01563874"
    },
    {
      "nct_id": "NCT03877796",
      "title": "Clinical Pre-screening Protocol for Ovarian Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ovarian Cancer"
      ],
      "interventions": [
        {
          "name": "Drug Response Predictor® (DRP)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Allarity Therapeutics",
      "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": 60,
      "start_date": "2019-04-11",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-10-24T05:36:43.155Z",
      "location_count": 7,
      "location_summary": "Tampa, Florida • Atlanta, Georgia • Albuquerque, New Mexico + 4 more",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03877796"
    },
    {
      "nct_id": "NCT01807052",
      "title": "Biomarker Expression in Tissue Samples From Patients With Bone Sarcomas",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Localized Osteosarcoma",
        "Metastatic Osteosarcoma",
        "Recurrent Osteosarcoma"
      ],
      "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": "39 Years",
        "sex": "ALL",
        "summary": "Up to 39 Years"
      },
      "enrollment_count": 34,
      "start_date": "2009-11",
      "completion_date": "2016-05",
      "has_results": false,
      "last_update_posted_date": "2016-05-19",
      "last_synced_at": "2026-10-24T05:36:43.155Z",
      "location_count": 1,
      "location_summary": "Monrovia, California",
      "locations": [
        {
          "city": "Monrovia",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01807052"
    },
    {
      "nct_id": "NCT00900224",
      "title": "Studying Tissue and Blood Samples From Patients With Acute Myeloid Leukemia",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Leukemia"
      ],
      "interventions": [
        {
          "name": "DNA analysis",
          "type": "GENETIC"
        },
        {
          "name": "DNA methylation analysis",
          "type": "GENETIC"
        },
        {
          "name": "gene expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "mutation analysis",
          "type": "GENETIC"
        },
        {
          "name": "polymerase chain reaction",
          "type": "GENETIC"
        },
        {
          "name": "reverse transcriptase-polymerase chain reaction",
          "type": "GENETIC"
        },
        {
          "name": "high performance liquid chromatography",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 529,
      "start_date": "2008-06",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2023-08-31",
      "last_synced_at": "2026-10-24T05:36:43.155Z",
      "location_count": 77,
      "location_summary": "Mountain View, California • Lewes, Delaware • Newark, Delaware + 55 more",
      "locations": [
        {
          "city": "Mountain View",
          "state": "California"
        },
        {
          "city": "Lewes",
          "state": "Delaware"
        },
        {
          "city": "Newark",
          "state": "Delaware"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00900224"
    },
    {
      "nct_id": "NCT02425800",
      "title": "Human Prostate Tissue Model to Maintain and Study Prostate Cancer Stem Cells",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Benign Prostatic Hyperplasia",
        "Prostate Carcinoma"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 43,
      "start_date": "2015-07-28",
      "completion_date": "2021-08-03",
      "has_results": false,
      "last_update_posted_date": "2021-09-01",
      "last_synced_at": "2026-10-24T05:36:43.155Z",
      "location_count": 2,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02425800"
    }
  ]
}