{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tumor+markers&page=13",
    "query": {
      "intervention": "Tumor markers",
      "page": 13
    },
    "page_size": 10
  },
  "pagination": {
    "page": 13,
    "page_size": 10,
    "total_count": 361,
    "total_pages": 37,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tumor+markers&page=14&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tumor+markers&page=12&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T15:02:41.765Z",
  "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": "NCT05590949",
      "title": "Observational Study of Bone Complications in People With Post-menopausal Breast Cancer Who Have Stopped Treatment With Denosumab and Aromatase Inhibitors",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Physical Evaluation",
          "type": "OTHER"
        },
        {
          "name": "Dual-energy X-ray absorptiometry scans",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Trabecular Bone Score",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Memorial Sloan Kettering 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": 100,
      "start_date": "2022-10-18",
      "completion_date": "2027-10-18",
      "has_results": false,
      "last_update_posted_date": "2026-11-04",
      "last_synced_at": "2026-11-15T15:02:41.765Z",
      "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/NCT05590949"
    },
    {
      "nct_id": "NCT02008994",
      "title": "Phase II Study Using Genomic & Proteomic Profiling to Influence Treatments for Patients With Metastatic Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Genomic and Proteomic Profiling",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Sanford Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2013-09",
      "completion_date": "2014-01",
      "has_results": false,
      "last_update_posted_date": "2015-03-24",
      "last_synced_at": "2026-11-15T15:02:41.765Z",
      "location_count": 1,
      "location_summary": "Sioux Falls, South Dakota",
      "locations": [
        {
          "city": "Sioux Falls",
          "state": "South Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02008994"
    },
    {
      "nct_id": "NCT04604613",
      "title": "Prediction of Recurrence Among Low Risk Endometrial Cancer Patients",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "FIGO Grade 1 Endometrial Endometrioid Adenocarcinoma",
        "FIGO Grade 2 Endometrial Endometrioid Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Bilateral Salpingectomy with Oophorectomy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Hysterectomy",
          "type": "PROCEDURE"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Lymph Node Mapping",
          "type": "PROCEDURE"
        },
        {
          "name": "Sentinel Lymph Node Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 518,
      "start_date": "2012-11-08",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-16",
      "last_synced_at": "2026-11-15T15:02:41.765Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04604613"
    },
    {
      "nct_id": "NCT06870253",
      "title": "Evaluating Bladder CARE™, a New Non-Invasive Urine Test, for Bladder Cancer Detection in Inconclusive Cases",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bladder Cancer",
        "Urothelial Carcinoma Bladder"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Pangea Laboratory LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 80,
      "start_date": "2025-06-03",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2026-01-06",
      "last_synced_at": "2026-11-15T15:02:41.765Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06870253"
    },
    {
      "nct_id": "NCT02482532",
      "title": "Vaccine Enriched, Autologous, Activated T-Cells Directed to Tumor in Patients With Relapsed/Refractory Melanoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Melanoma"
      ],
      "interventions": [
        {
          "name": "tvs-CTL Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Gary Doolittle",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "66 Years",
        "sex": "ALL",
        "summary": "18 Years to 66 Years"
      },
      "enrollment_count": 7,
      "start_date": "2016-10-06",
      "completion_date": "2021-09-13",
      "has_results": false,
      "last_update_posted_date": "2022-02-04",
      "last_synced_at": "2026-11-15T15:02:41.765Z",
      "location_count": 1,
      "location_summary": "Fairway, Kansas",
      "locations": [
        {
          "city": "Fairway",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02482532"
    },
    {
      "nct_id": "NCT05736523",
      "title": "Improving Early Detection of Melanoma Recurrence With Circulating Tumor DNA (ctDNA)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Melanoma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2020-09-23",
      "completion_date": "2025-06",
      "has_results": false,
      "last_update_posted_date": "2025-03-07",
      "last_synced_at": "2026-11-15T15:02:41.765Z",
      "location_count": 2,
      "location_summary": "Murray, Utah • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Murray",
          "state": "Utah"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05736523"
    },
    {
      "nct_id": "NCT00598143",
      "title": "Biomarkers of Molecular Risk in Smokers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Vignette, questionnaires and Saliva Samples",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Urine Collection, Smoking cessation treatment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2005-02",
      "completion_date": "2015-05",
      "has_results": false,
      "last_update_posted_date": "2015-05-28",
      "last_synced_at": "2026-11-15T15:02:41.765Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00598143"
    },
    {
      "nct_id": "NCT00880321",
      "title": "A Phase I Study to Investigate the Safety, Pharmacokinetics, and Pharmacodynamics of GSK2118436 in Subjects With Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "GSK2118436",
          "type": "DRUG"
        },
        {
          "name": "Midazolam",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 170,
      "start_date": "2009-06-04",
      "completion_date": "2012-03-20",
      "has_results": false,
      "last_update_posted_date": "2017-11-13",
      "last_synced_at": "2026-11-15T15:02:41.765Z",
      "location_count": 4,
      "location_summary": "Los Angeles, California • New York, New York • Nashville, Tennessee + 1 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00880321"
    },
    {
      "nct_id": "NCT05387876",
      "title": "Vitamin D Intervention and Associated Changes in the Gut Microbiome and Vitamin D Levels in Healthy Adults",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Vitamin D intervention",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo intervention",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Baylor University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 43,
      "start_date": "2022-02-14",
      "completion_date": "2023-02-28",
      "has_results": false,
      "last_update_posted_date": "2022-05-24",
      "last_synced_at": "2026-11-15T15:02:41.765Z",
      "location_count": 1,
      "location_summary": "Waco, Texas",
      "locations": [
        {
          "city": "Waco",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05387876"
    },
    {
      "nct_id": "NCT00899626",
      "title": "Gastrointestinal Biomarkers in Tissue and Biological Fluid Samples From Colorectal Cancer Patients",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colorectal Cancer",
        "Esophageal Cancer",
        "Gastric Cancer",
        "Pancreatic Cancer",
        "Precancerous Condition"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5000,
      "start_date": "2002-06",
      "completion_date": "2045-10",
      "has_results": false,
      "last_update_posted_date": "2026-03-05",
      "last_synced_at": "2026-11-15T15:02:41.765Z",
      "location_count": 2,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00899626"
    }
  ]
}