{
  "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": "2026-09-02T11:19:51.625Z",
  "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": "NCT05020002",
      "title": "Extracellular RNA Biomarkers of Myotonic Dystrophy",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Myotonic Dystrophy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "5 Years and older"
      },
      "enrollment_count": 215,
      "start_date": "2020-12-08",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2025-11-24",
      "last_synced_at": "2026-09-02T11:19:51.625Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts • Dallas, Texas",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05020002"
    },
    {
      "nct_id": "NCT05051722",
      "title": "Leveraging Methylated DNA Markers (MDMs) in the Detection of Endometrial Cancer, Ovarian Cancer, and Cervical Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Endometrial Cancer",
        "Cervical Cancer",
        "Atypical Endometrial Hyperplasia",
        "Cervical Dysplasia",
        "Adnexal Mass",
        "Ovarian Cancer"
      ],
      "interventions": [
        {
          "name": "Vaginal Fluid Collection",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood Collection",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Mayo Clinic",
      "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": 3110,
      "start_date": "2021-08-03",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-17",
      "last_synced_at": "2026-09-02T11:19:51.625Z",
      "location_count": 24,
      "location_summary": "Phoenix, Arizona • Jacksonville, Florida • Miami, Florida + 20 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05051722"
    },
    {
      "nct_id": "NCT00460356",
      "title": "Glycoprotein and Glycan in Tissue and Blood Samples of Patients With Stage IB-IVA Cervical Cancer Undergoing Surgery to Remove Pelvic and Abdominal Lymph Nodes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cervical Adenocarcinoma",
        "Cervical Adenosquamous Carcinoma",
        "Cervical Small Cell Carcinoma",
        "Cervical Squamous Cell Carcinoma, Not Otherwise Specified",
        "Stage IB Cervical Cancer",
        "Stage IIA Cervical Cancer",
        "Stage IIB Cervical Cancer",
        "Stage III Cervical Cancer",
        "Stage IVA Cervical Cancer"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Lymphadenectomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Gynecologic Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 159,
      "start_date": "2007-04-02",
      "completion_date": "2016-07-16",
      "has_results": false,
      "last_update_posted_date": "2017-08-24",
      "last_synced_at": "2026-09-02T11:19:51.625Z",
      "location_count": 18,
      "location_summary": "Orange, California • Sylmar, California • Augusta, Georgia + 12 more",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Sylmar",
          "state": "California"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00460356"
    },
    {
      "nct_id": "NCT03583931",
      "title": "Treatment of Complicated Parapneumonic Effusion With Fibrinolytic Therapy Versus VATs Decortication",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parapneumonic Effusion",
        "Empyema, Pleural",
        "Coagulopathy"
      ],
      "interventions": [
        {
          "name": "VATS Decortication",
          "type": "PROCEDURE"
        },
        {
          "name": "Fibrinolytic Therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Denver Health and Hospital Authority",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2018-07-26",
      "completion_date": "2020-02-02",
      "has_results": true,
      "last_update_posted_date": "2022-01-27",
      "last_synced_at": "2026-09-02T11:19:51.625Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03583931"
    },
    {
      "nct_id": "NCT02838836",
      "title": "Tumor Cell and DNA Detection in the Blood, Urine and Bone Marrow of Patients With Solid Cancers",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Non-small Cell Lung Cancer",
        "Esophageal Cancer",
        "Gastric Cancer",
        "Pancreatic Cancer",
        "Hepatocellular Cancer",
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Study sample collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 620,
      "start_date": "2016-07-01",
      "completion_date": "2027-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-01",
      "last_synced_at": "2026-09-02T11:19:51.625Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02838836"
    },
    {
      "nct_id": "NCT05852457",
      "title": "Evaluation of the Clinical Utility of Endoscopic Closure Using a Dual Action Tissue (DAT) Clip",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "GI Bleeding",
        "Perforation Colon",
        "Perforation Bowel",
        "Perforation Duodenal",
        "Perforated Bowel",
        "Fistula"
      ],
      "interventions": [
        {
          "name": "DAT Clip",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "AdventHealth",
      "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": "2022-08-31",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2025-10-08",
      "last_synced_at": "2026-09-02T11:19:51.625Z",
      "location_count": 2,
      "location_summary": "Orlando, Florida • Fort Wayne, Indiana",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Fort Wayne",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05852457"
    },
    {
      "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": "2026-09-02T11:19:51.625Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04454528"
    },
    {
      "nct_id": "NCT04203667",
      "title": "EndoRotor® Endoscopic Mucosal Resection System for the Colon",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Polyp of Colon",
        "Endoscopic Mucosal Resection",
        "Recurrent Colon Adenoma"
      ],
      "interventions": [
        {
          "name": "EndoRotor Resection",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Interscope, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 66,
      "start_date": "2018-04-18",
      "completion_date": "2020-04-05",
      "has_results": true,
      "last_update_posted_date": "2022-04-05",
      "last_synced_at": "2026-09-02T11:19:51.625Z",
      "location_count": 1,
      "location_summary": "Danville, Pennsylvania",
      "locations": [
        {
          "city": "Danville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04203667"
    },
    {
      "nct_id": "NCT01364571",
      "title": "Evaluation of a Single Vaccination With One of Three Ascending Dose Levels of a 4-Antigen Staphylococcus Aureus Vaccine (SA4Ag) in Healthy Adults Aged 18 to <65 Years",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Staphylococcal Infections"
      ],
      "interventions": [
        {
          "name": "SA4Ag vaccine low dose",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Colonization swab sample",
          "type": "PROCEDURE"
        },
        {
          "name": "SA4Ag vaccine mid dose",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Blood sample",
          "type": "PROCEDURE"
        },
        {
          "name": "SA4Ag vaccine high dose",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 456,
      "start_date": "2011-08",
      "completion_date": "2013-01",
      "has_results": false,
      "last_update_posted_date": "2019-03-04",
      "last_synced_at": "2026-09-02T11:19:51.625Z",
      "location_count": 16,
      "location_summary": "Hollywood, Florida • South Miami, Florida • Overland Park, Kansas + 10 more",
      "locations": [
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "South Miami",
          "state": "Florida"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Bardstown",
          "state": "Kentucky"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01364571"
    },
    {
      "nct_id": "NCT03269578",
      "title": "Sample Collection and Tracking for the Developmental Therapeutics Clinic",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neoplasms",
        "Lymphoma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 3000,
      "start_date": "2017-08-28",
      "completion_date": "2027-05-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-09-02T11:19:51.625Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03269578"
    }
  ]
}