{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tumor+markers&page=11",
    "query": {
      "intervention": "Tumor markers",
      "page": 11
    },
    "page_size": 10
  },
  "pagination": {
    "page": 11,
    "page_size": 10,
    "total_count": 361,
    "total_pages": 37,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tumor+markers&page=12&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tumor+markers&page=10&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T14:28:29.438Z",
  "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": "NCT01205646",
      "title": "PET Scanning to Evaluate Zoledronate Efficacy in Metastatic Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "zoledronate therapy",
          "type": "DRUG"
        },
        {
          "name": "PET Scan",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Barbara Ann Karmanos Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 11,
      "start_date": "2010-09",
      "completion_date": "2015-08",
      "has_results": true,
      "last_update_posted_date": "2019-04-12",
      "last_synced_at": "2026-11-15T14:28:29.438Z",
      "location_count": 2,
      "location_summary": "Detroit, Michigan • Farmington Hills, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Farmington Hills",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01205646"
    },
    {
      "nct_id": "NCT02790983",
      "title": "Primary Tumor Research and Outcomes Network",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Spinal Column Tumor"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "AO Innovation Translation Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1350,
      "start_date": "2016-10",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-02-25",
      "last_synced_at": "2026-11-15T14:28:29.438Z",
      "location_count": 9,
      "location_summary": "Los Angeles, California • San Francisco, California • Baltimore, Maryland + 5 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02790983"
    },
    {
      "nct_id": "NCT06878547",
      "title": "VisR Ultrasound for Noninvasively Interrogating Stromal Collagen Organization in Women as a Breast Cancer Biomarker: Evaluation of Anisotropy in Cancer Patients",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Ultrasound",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "90 Years",
        "sex": "FEMALE",
        "summary": "20 Years to 90 Years · Female only"
      },
      "enrollment_count": 250,
      "start_date": "2025-03-07",
      "completion_date": "2028-02-24",
      "has_results": false,
      "last_update_posted_date": "2026-06-02",
      "last_synced_at": "2026-11-15T14:28:29.438Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06878547"
    },
    {
      "nct_id": "NCT07769047",
      "title": "Semaglutide and Structured Lifestyle Support to Improve Heart and Blood Vessel Health in Postmenopausal Obese Breast Cancer Survivors Taking Aromatase Inhibitors",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Anatomic Stage I Breast Cancer AJCC v8",
        "Anatomic Stage II Breast Cancer AJCC v8",
        "Anatomic Stage III Breast Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Dual X-ray Absorptiometry",
          "type": "PROCEDURE"
        },
        {
          "name": "Functional Assessment",
          "type": "OTHER"
        },
        {
          "name": "Lifestyle Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Semaglutide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "46 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "46 Years to 55 Years · Female only"
      },
      "enrollment_count": 50,
      "start_date": "2026-09-01",
      "completion_date": "2035-07-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-11-15T14:28:29.438Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07769047"
    },
    {
      "nct_id": "NCT03262831",
      "title": "Mindful Movement in Women Receiving Adjuvant or Neoadjuvant Therapy for Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Cancer of Breast"
      ],
      "interventions": [
        {
          "name": "Yoga",
          "type": "OTHER"
        },
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        },
        {
          "name": "FACT-G questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Weight measurement",
          "type": "PROCEDURE"
        },
        {
          "name": "Recent Physical Activity Questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "NHANES Food Questionnaire",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": 30,
      "start_date": "2018-01-10",
      "completion_date": "2019-06-26",
      "has_results": false,
      "last_update_posted_date": "2019-09-03",
      "last_synced_at": "2026-11-15T14:28:29.438Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03262831"
    },
    {
      "nct_id": "NCT04739722",
      "title": "Colorectal Cancer and Pre-Cancerous Adenoma Non-Invasive Detection Test Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer",
        "Advanced Adenocarcinoma",
        "Serrated Polyp"
      ],
      "interventions": [
        {
          "name": "ColoSense",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Geneoscopy, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 14263,
      "start_date": "2021-04-12",
      "completion_date": "2024-01-31",
      "has_results": true,
      "last_update_posted_date": "2024-10-01",
      "last_synced_at": "2026-11-15T14:28:29.438Z",
      "location_count": 2,
      "location_summary": "St Louis, Missouri • Austin, Texas",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04739722"
    },
    {
      "nct_id": "NCT01493817",
      "title": "Biomarkers in Samples From Younger Patients With Wilms Tumor",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Wilms Tumor and Other Childhood Kidney Tumors"
      ],
      "interventions": [
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 30,
      "start_date": "2011-12",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-05-19",
      "last_synced_at": "2026-11-15T14:28:29.438Z",
      "location_count": 1,
      "location_summary": "Monrovia, California",
      "locations": [
        {
          "city": "Monrovia",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01493817"
    },
    {
      "nct_id": "NCT01042548",
      "title": "Proteomics and Radiomics Research of Breast Cancer Markers in Tissue, Interstitial Fluid and Serum",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "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": 300,
      "start_date": "2010-02-03",
      "completion_date": "2030-04",
      "has_results": false,
      "last_update_posted_date": "2026-05-07",
      "last_synced_at": "2026-11-15T14:28:29.438Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01042548"
    },
    {
      "nct_id": "NCT01198171",
      "title": "Racial and Genetic Biomarkers of Response in Tissue Samples From Patients With Endometrial Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Stage I Uterine Corpus Cancer",
        "Stage II Uterine Corpus Cancer",
        "Stage III Uterine Corpus Cancer",
        "Stage IV Uterine Corpus Cancer"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Study of Socioeconomic and Demographic Variables",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Gynecologic Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 243,
      "start_date": "2010-01",
      "completion_date": "2017-02",
      "has_results": false,
      "last_update_posted_date": "2024-08-14",
      "last_synced_at": "2026-11-15T14:28:29.438Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01198171"
    },
    {
      "nct_id": "NCT01292733",
      "title": "Cancer Screening Program for Women at High Risk for Developing Ovarian Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Ovarian Diseases",
        "Ovarian Neoplasms"
      ],
      "interventions": [
        {
          "name": "Laboratory Tumor Marker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Transvaginal Ultrasound",
          "type": "OTHER"
        },
        {
          "name": "Health Status Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Swedish Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "30 Years and older · Female only"
      },
      "enrollment_count": 534,
      "start_date": "2009-08",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2016-01-20",
      "last_synced_at": "2026-11-15T14:28:29.438Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01292733"
    }
  ]
}