{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tumor+markers&page=15",
    "query": {
      "intervention": "Tumor markers",
      "page": 15
    },
    "page_size": 10
  },
  "pagination": {
    "page": 15,
    "page_size": 10,
    "total_count": 361,
    "total_pages": 37,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tumor+markers&page=16&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tumor+markers&page=14&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T19:01:51.549Z",
  "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": "NCT03568630",
      "title": "Blood Markers of Early Pancreas Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetes Mellitus, Type 2",
        "PreDiabetes",
        "Pancreas Cyst",
        "Chronic Pancreatitis",
        "Genetic Predisposition to Disease",
        "Inherited Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 1250,
      "start_date": "2018-07-26",
      "completion_date": "2028-07",
      "has_results": false,
      "last_update_posted_date": "2026-02-02",
      "last_synced_at": "2026-11-15T19:01:51.549Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03568630"
    },
    {
      "nct_id": "NCT06717243",
      "title": "Genomic and Methylation Markers in SCLC and LCNEC for Chemo-Immunotherapy Resistance Prediction (STRATUS)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Small Cell Lung Cancer",
        "Large Cell Neuroendocrine (NE) Tumors",
        "Treatment Failure",
        "Biomarkers / Blood",
        "Biomarkers",
        "Immunotherapy"
      ],
      "interventions": [
        {
          "name": "Carboplatin/Cisplatin -Etoposide - Atezolizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Oncology Center of Biochemical Education And Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 111,
      "start_date": "2025-02-20",
      "completion_date": "2028-12-01",
      "has_results": false,
      "last_update_posted_date": "2025-03-19",
      "last_synced_at": "2026-11-15T19:01:51.549Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06717243"
    },
    {
      "nct_id": "NCT00014079",
      "title": "Genetic Markers in Patients With Colorectal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "DNA stability analysis",
          "type": "GENETIC"
        },
        {
          "name": "loss of heterozygosity analysis",
          "type": "GENETIC"
        },
        {
          "name": "microsatellite instability analysis",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "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": 675,
      "start_date": "1997-09",
      "completion_date": "2005-05",
      "has_results": false,
      "last_update_posted_date": "2016-07-13",
      "last_synced_at": "2026-11-15T19:01:51.549Z",
      "location_count": 3,
      "location_summary": "Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00014079"
    },
    {
      "nct_id": "NCT01568723",
      "title": "Betrnet Stem Cells and the Origins of Barrett's Esophagus Project 3 RF Ablation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Barrett's Esophagus"
      ],
      "interventions": [
        {
          "name": "response to therapy",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 125,
      "start_date": "2012-01",
      "completion_date": "2018-08-16",
      "has_results": false,
      "last_update_posted_date": "2021-12-15",
      "last_synced_at": "2026-11-15T19:01:51.549Z",
      "location_count": 2,
      "location_summary": "New York, New York • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01568723"
    },
    {
      "nct_id": "NCT00899158",
      "title": "Biological Markers in Patients With Pancreatic Cancer Experiencing Weight Loss",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cachexia",
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "immunologic technique",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Case Comprehensive 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": 44,
      "start_date": "2005-06",
      "completion_date": "2008-12",
      "has_results": false,
      "last_update_posted_date": "2015-09-30",
      "last_synced_at": "2026-11-15T19:01:51.549Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00899158"
    },
    {
      "nct_id": "NCT00340847",
      "title": "Construction and Use of Lung Tumor Microarray for the Analysis of Gene Expression in Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 500,
      "start_date": "2001-08-09",
      "completion_date": "2010-05-19",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-11-15T19:01:51.549Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00340847"
    },
    {
      "nct_id": "NCT00112749",
      "title": "Infliximab in Treating Cancer-Related Fatigue in Postmenopausal Women Who Have Undergone Treatment for Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Fatigue"
      ],
      "interventions": [
        {
          "name": "infliximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Clinical Assessment",
          "type": "OTHER"
        },
        {
          "name": "Self-report questionnaires",
          "type": "OTHER"
        },
        {
          "name": "Immune Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Jonsson Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 65 Years · Female only"
      },
      "enrollment_count": 7,
      "start_date": "2005-02",
      "completion_date": "2012-11",
      "has_results": false,
      "last_update_posted_date": "2020-07-31",
      "last_synced_at": "2026-11-15T19:01:51.549Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00112749"
    },
    {
      "nct_id": "NCT04423679",
      "title": "The Selfie Study- Assessing Novel Markers for Cervical Cancer Screening From Self-collected Samples",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Human Papilloma Virus",
        "Cervical Cancer",
        "CIN 2/3"
      ],
      "interventions": [
        {
          "name": "Evalyn Brush",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "George Washington University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "69 Years",
        "sex": "FEMALE",
        "summary": "30 Years to 69 Years · Female only"
      },
      "enrollment_count": 294,
      "start_date": "2020-08-15",
      "completion_date": "2025-06-19",
      "has_results": false,
      "last_update_posted_date": "2026-03-06",
      "last_synced_at": "2026-11-15T19:01:51.549Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04423679"
    },
    {
      "nct_id": "NCT06304168",
      "title": "Validation of DNA Methylation Markers for Universal and Site-specific Guided Cancer Detection, VANGUARD Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hematopoietic and Lymphatic System Neoplasm",
        "Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Non-Interventional Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6150,
      "start_date": "2019-05-13",
      "completion_date": "2028-05-15",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-11-15T19:01:51.549Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06304168"
    },
    {
      "nct_id": "NCT00340717",
      "title": "Markers for Early Detection of Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "40 Years to 75 Years · Male only"
      },
      "enrollment_count": 100,
      "start_date": "2003-05",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-11-15T19:01:51.549Z",
      "location_count": 1,
      "location_summary": "Tacoma, Washington",
      "locations": [
        {
          "city": "Tacoma",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00340717"
    }
  ]
}