{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tissue+Sample+collection&page=2",
    "query": {
      "intervention": "Tissue Sample collection",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tissue+Sample+collection&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-13T14:15:43.893Z",
  "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": "NCT00897702",
      "title": "Molecular Mechanisms of Clinical Resistance to Targeted Therapy Among Patients With Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "OTHER"
        },
        {
          "name": "immunoenzyme technique",
          "type": "OTHER"
        },
        {
          "name": "biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "histopathologic examination",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 269,
      "start_date": "2007-01-09",
      "completion_date": "2026-01-23",
      "has_results": false,
      "last_update_posted_date": "2026-01-28",
      "last_synced_at": "2026-09-13T14:15:43.893Z",
      "location_count": 7,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00897702"
    },
    {
      "nct_id": "NCT02574351",
      "title": "Study of T-Regulatory Cells in Asthma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "blood draw, breathing test",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 66,
      "start_date": "2011-05",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2016-01-29",
      "last_synced_at": "2026-09-13T14:15:43.893Z",
      "location_count": 1,
      "location_summary": "New Hyde Park, New York",
      "locations": [
        {
          "city": "New Hyde Park",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02574351"
    },
    {
      "nct_id": "NCT01937039",
      "title": "Johns Hopkins Breast Cancer Program Longitudinal Repository",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Benign Breast Disease"
      ],
      "interventions": [
        {
          "name": "Sample collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 810,
      "start_date": "2009-04",
      "completion_date": "2030-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-09-13T14:15:43.893Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01937039"
    },
    {
      "nct_id": "NCT07612007",
      "title": "HRX215, A First Generation MKK4 Inhibitor Drug, for the Treatment of Patients With Colorectal Liver Metastasis After Undergoing a Portal Vein Embolization",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Colorectal Carcinoma",
        "Metastatic Malignant Neoplasm in the Liver",
        "Resectable Colorectal Carcinoma",
        "Stage IV Colorectal Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Darizmetinib",
          "type": "DRUG"
        },
        {
          "name": "Embolization Therapy",
          "type": "DRUG"
        },
        {
          "name": "Hepatectomy",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Placebo Administration",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 80,
      "start_date": "2026-09-01",
      "completion_date": "2028-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-12",
      "last_synced_at": "2026-09-13T14:15:43.893Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07612007"
    },
    {
      "nct_id": "NCT01951664",
      "title": "Feasibility and Preliminary Efficacy of Hatha Yoga in Head and Neck Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Head Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Baseline Study Measures",
          "type": "OTHER"
        },
        {
          "name": "Yoga Evaluation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Yoga Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Yoga Practice Plan",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Study Assessments",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "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": 40,
      "start_date": "2013-08",
      "completion_date": "2015-10",
      "has_results": false,
      "last_update_posted_date": "2016-04-27",
      "last_synced_at": "2026-09-13T14:15:43.893Z",
      "location_count": 2,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01951664"
    },
    {
      "nct_id": "NCT04454528",
      "title": "BreastVAX: Radiation Boost to Enhance Immune Checkpoint Blockade Therapy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Hypofractionated radiotherapy",
          "type": "RADIATION"
        },
        {
          "name": "Pembrolizumab infusion",
          "type": "DRUG"
        },
        {
          "name": "Blood and tissue sampling",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "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": "2020-12-07",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-09-13T14:15:43.893Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04454528"
    },
    {
      "nct_id": "NCT04295811",
      "title": "Efficacy of EsoGuard Assay on Esophageal Surface Cells Collected With EsoCheck vs EGD for the Diagnosis of BE or EAC",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Barrett Esophagus",
        "Esophageal Adenocarcinoma",
        "Barretts Esophagus With Dysplasia",
        "Barrett's Esophagus Without Dysplasia"
      ],
      "interventions": [
        {
          "name": "EsoGuard (lab assay)",
          "type": "DEVICE"
        },
        {
          "name": "Esophagogastroduodenoscopy",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Lucid Diagnostics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "50 Years and older · Male only"
      },
      "enrollment_count": 470,
      "start_date": "2020-06-18",
      "completion_date": "2023-12",
      "has_results": false,
      "last_update_posted_date": "2023-01-25",
      "last_synced_at": "2026-09-13T14:15:43.893Z",
      "location_count": 32,
      "location_summary": "Birmingham, Alabama • Orange, California • Aurora, Colorado + 27 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04295811"
    },
    {
      "nct_id": "NCT05049538",
      "title": "Determine the Utility of Liquid Biopsies and Tumor Molecular Profiling in Predicting Recurrence in Endometrial Cancers",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Endometrial Clear Cell Adenocarcinoma",
        "Endometrial Dedifferentiated Carcinoma",
        "Endometrial Mucinous Adenocarcinoma",
        "Endometrial Serous Adenocarcinoma",
        "Malignant Uterine Neoplasm",
        "Uterine Corpus Carcinosarcoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Liquid Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Pap Smear",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "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": 1000,
      "start_date": "2019-06-18",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-09-13T14:15:43.893Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05049538"
    },
    {
      "nct_id": "NCT02978118",
      "title": "Exploring Relevant Immune-based Biomarkers and Circulating Tumor Cells During Treatment With Immunotherapy in Genitourinary Malignancies (CTC Immune Based Biomarkers)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Carcinoma, Renal Cell",
        "Carcinoma, Urothelial"
      ],
      "interventions": [
        {
          "name": "Immune cell and CTC detection procedures",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 67,
      "start_date": "2017-03-07",
      "completion_date": "2028-10",
      "has_results": false,
      "last_update_posted_date": "2026-09-03",
      "last_synced_at": "2026-09-13T14:15:43.893Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02978118"
    },
    {
      "nct_id": "NCT00260585",
      "title": "Esophageal Cancer Risk Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Esophageal Cancer",
        "Gastroesophageal Reflux Disease (GERD)",
        "Esophageal Diseases",
        "Hiatal Hernia",
        "Esophageal Achalasia"
      ],
      "interventions": [
        {
          "name": "Survey of client health, personal habits, family history",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood specimen for non-DNA and DNA parts",
          "type": "PROCEDURE"
        },
        {
          "name": "Biopsy of esophageal/stomach tissue, lymph nodes, tumor",
          "type": "PROCEDURE"
        },
        {
          "name": "Biopsies, oral (saliva) and/or secretions, washings or mucosal scrapings/brushing from routine clinical surveillance endoscopies",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7000,
      "start_date": "1999-06",
      "completion_date": "2050-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-14",
      "last_synced_at": "2026-09-13T14:15:43.893Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00260585"
    }
  ]
}