{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tumor+markers&page=8",
    "query": {
      "intervention": "Tumor markers",
      "page": 8
    },
    "page_size": 10
  },
  "pagination": {
    "page": 8,
    "page_size": 10,
    "total_count": 361,
    "total_pages": 37,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tumor+markers&page=9&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tumor+markers&page=7&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T13:42:22.644Z",
  "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": "NCT00892866",
      "title": "CA-IX, p16, Proliferative Markers, and HPV in Diagnosing Cervical Lesions in Patients With Abnormal Cervical Cells",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atypical Endometrial Hyperplasia",
        "Human Papillomavirus Infection",
        "Stage 0 Cervical Cancer AJCC v7"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "GOG Foundation",
      "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": 877,
      "start_date": "2009-04-13",
      "completion_date": "2025-05-31",
      "has_results": false,
      "last_update_posted_date": "2024-05-03",
      "last_synced_at": "2026-11-15T13:42:22.644Z",
      "location_count": 135,
      "location_summary": "Tucson, Arizona • La Jolla, California • Los Angeles, California + 100 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00892866"
    },
    {
      "nct_id": "NCT02078570",
      "title": "Breast Cancer Biomarker Sample Collection for the dtectDx v2 Assay Proof of Concept Protocol",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Provista Diagnostics, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "25 Years to 75 Years · Female only"
      },
      "enrollment_count": 500,
      "start_date": "2014-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-09-30",
      "last_synced_at": "2026-11-15T13:42:22.644Z",
      "location_count": 12,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Sacramento, California + 8 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02078570"
    },
    {
      "nct_id": "NCT00749437",
      "title": "Radiation Therapy Using Gold Markers in Treating Women With Early-Stage Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "3-dimensional conformal accelerated partial breast irradiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "University of Medicine and Dentistry of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "45 Years and older · Female only"
      },
      "enrollment_count": 34,
      "start_date": "2008-10",
      "completion_date": "2010-07",
      "has_results": false,
      "last_update_posted_date": "2012-06-14",
      "last_synced_at": "2026-11-15T13:42:22.644Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00749437"
    },
    {
      "nct_id": "NCT00688246",
      "title": "Bone Mineral Density in Postmenopausal Women at Increased Risk of Breast Cancer And Who Are Receiving Exemestane on MAP3",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "biologic sample preservation procedure",
          "type": "OTHER"
        },
        {
          "name": "dual x-ray absorptometry",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "NCIC Clinical Trials Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "35 Years and older · Female only"
      },
      "enrollment_count": 238,
      "start_date": "2008-07-10",
      "completion_date": "2013-01-10",
      "has_results": false,
      "last_update_posted_date": "2023-08-04",
      "last_synced_at": "2026-11-15T13:42:22.644Z",
      "location_count": 13,
      "location_summary": "Torrance, California • Washington D.C., District of Columbia • Scarborough, Maine + 9 more",
      "locations": [
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Scarborough",
          "state": "Maine"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00688246"
    },
    {
      "nct_id": "NCT03270670",
      "title": "Olympus - 19-gauge Needle",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "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": 50,
      "start_date": "2017-08-21",
      "completion_date": "2019-01-30",
      "has_results": false,
      "last_update_posted_date": "2019-09-10",
      "last_synced_at": "2026-11-15T13:42:22.644Z",
      "location_count": 2,
      "location_summary": "St Louis, Missouri • Durham, North Carolina",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03270670"
    },
    {
      "nct_id": "NCT04157322",
      "title": "Plasma 5hmC Signatures as a Marker of Colorectal / Appendiceal Peritoneal Metastasis",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colorectal Cancer Stage IV",
        "Colorectal Cancer Metastatic",
        "Colorectal Cancer, Genetics of",
        "Appendix Cancer"
      ],
      "interventions": [
        {
          "name": "prospective single arm biomarker (plasma cell-free DNA hydroxymethylation) study",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 55,
      "start_date": "2019-08-26",
      "completion_date": "2027-10-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-03",
      "last_synced_at": "2026-11-15T13:42:22.644Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04157322"
    },
    {
      "nct_id": "NCT02734823",
      "title": "Long Term Effects of Tyrosine Kinase Inhibitor Therapy on Ovarian Reserve and Fertility in Patients With Chronic Myeloid Leukemia or Gastrointestinal Stromal Tumor",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Myelogenous Leukemia, BCR-ABL1 Positive",
        "Gastrointestinal Stromal Tumor",
        "Premenopausal"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Ultrasonography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2016-03-01",
      "completion_date": "2024-03-14",
      "has_results": false,
      "last_update_posted_date": "2024-03-18",
      "last_synced_at": "2026-11-15T13:42:22.644Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02734823"
    },
    {
      "nct_id": "NCT01440283",
      "title": "A Phase II Study of Intensity Modulated Radiation Therapy (IMRT) in High Risk Abdominal Neuroblastoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Abdominal Neuroblastoma"
      ],
      "interventions": [
        {
          "name": "Intensity Modulated Radiation Therapy (IMRT)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "6 Months to 18 Years"
      },
      "enrollment_count": 14,
      "start_date": "2011-09",
      "completion_date": "2015-03",
      "has_results": true,
      "last_update_posted_date": "2016-03-03",
      "last_synced_at": "2026-11-15T13:42:22.644Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01440283"
    },
    {
      "nct_id": "NCT00904423",
      "title": "Ph I/II of Vitamin D on Bone Mineral Density & Markers of Bone Resorption",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Bone Diseases"
      ],
      "interventions": [
        {
          "name": "Vitamin D",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mark Pegram",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 85 Years · Female only"
      },
      "enrollment_count": 8,
      "start_date": "2009-04",
      "completion_date": "2011-04",
      "has_results": true,
      "last_update_posted_date": "2017-02-14",
      "last_synced_at": "2026-11-15T13:42:22.644Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00904423"
    },
    {
      "nct_id": "NCT00994370",
      "title": "Measurement of Pro-angiogenic Markers in Patients With Hepatic Metastases Undergoing SIRT",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Liver Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Rutgers, The State University of New Jersey",
      "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": 36,
      "start_date": "2009-04",
      "completion_date": "2013-01",
      "has_results": false,
      "last_update_posted_date": "2014-03-20",
      "last_synced_at": "2026-11-15T13:42:22.644Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00994370"
    }
  ]
}