{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tumor+markers&page=7",
    "query": {
      "intervention": "Tumor markers",
      "page": 7
    },
    "page_size": 10
  },
  "pagination": {
    "page": 7,
    "page_size": 10,
    "total_count": 361,
    "total_pages": 37,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tumor+markers&page=8&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tumor+markers&page=6&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T12:46:07.492Z",
  "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": "NCT00529737",
      "title": "Effect on Clip Markers After Vacuum-Assisted Biopsy by Postprocedure Mammogram",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Breast Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Post Procedure Mammogram",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 61,
      "start_date": "2006-12",
      "completion_date": "2009-03",
      "has_results": false,
      "last_update_posted_date": "2012-07-30",
      "last_synced_at": "2026-11-15T12:46:07.492Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00529737"
    },
    {
      "nct_id": "NCT03266471",
      "title": "Cytokines and Genes in Therapeutic Response in Crohn's Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Inflammatory Bowel Diseases"
      ],
      "interventions": [
        {
          "name": "Baseline blood sample",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Baseline intestinal biopsies",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Crohn's disease activity index (CDAI)",
          "type": "OTHER"
        },
        {
          "name": "Post treatment blood sample",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Post treatment intestinal biopsies",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Baseline stool sample",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Post treatment stool sample",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "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": 96,
      "start_date": "2017-10-13",
      "completion_date": "2022-05-03",
      "has_results": false,
      "last_update_posted_date": "2023-04-14",
      "last_synced_at": "2026-11-15T12:46:07.492Z",
      "location_count": 2,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03266471"
    },
    {
      "nct_id": "NCT05114798",
      "title": "Time-restricted Eating Versus Daily Continuous Calorie Restriction on Body Weight and Colorectal Cancer Risk Markers",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Time Restricted Eating",
        "Obesity",
        "Weight Loss",
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Time restricted eating",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Calorie Restriction",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Illinois Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "45 Years to 70 Years"
      },
      "enrollment_count": 194,
      "start_date": "2022-05-17",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-21",
      "last_synced_at": "2026-11-15T12:46:07.492Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05114798"
    },
    {
      "nct_id": "NCT01109407",
      "title": "Natural History Study of Monoclonal Gammopathy of Undetermined Significance (MGUS) and Smoldering Myeloma (SMM)",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Smoldering Myeloma",
        "Monoclonal Gammopathy of Undetermined Significance"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 225,
      "start_date": "2010-04-22",
      "completion_date": "2021-02-25",
      "has_results": false,
      "last_update_posted_date": "2021-03-08",
      "last_synced_at": "2026-11-15T12:46:07.492Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01109407"
    },
    {
      "nct_id": "NCT02479945",
      "title": "Peripheral vs. Selective Tumor Marker Venous Sampling in Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Obtaining biospecimen",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "MALE",
        "summary": "18 Years to 99 Years · Male only"
      },
      "enrollment_count": 6,
      "start_date": "2012-01",
      "completion_date": "2013-04-25",
      "has_results": false,
      "last_update_posted_date": "2020-07-21",
      "last_synced_at": "2026-11-15T12:46:07.492Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02479945"
    },
    {
      "nct_id": "NCT00208793",
      "title": "Calcium and Vitamin D vs Markers of Adenomatous Polyps",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Colorectal Adenomatous Polyps"
      ],
      "interventions": [
        {
          "name": "Calcium and vitamin D3 combined",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Calcium",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Vitamin D3",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "30 Years to 74 Years"
      },
      "enrollment_count": 92,
      "start_date": "2005-05",
      "completion_date": "2013-02",
      "has_results": false,
      "last_update_posted_date": "2013-11-26",
      "last_synced_at": "2026-11-15T12:46:07.492Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00208793"
    },
    {
      "nct_id": "NCT01808079",
      "title": "Gene Analysis in Studying Susceptibility to Wilms Tumor",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Recurrent Childhood Kidney Neoplasm",
        "Stage I Kidney Wilms Tumor",
        "Stage II Kidney Wilms Tumor",
        "Stage III Kidney Wilms Tumor",
        "Stage IV Kidney Wilms Tumor"
      ],
      "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": 1,
      "start_date": "2009-10",
      "completion_date": "2009-11",
      "has_results": false,
      "last_update_posted_date": "2016-08-22",
      "last_synced_at": "2026-11-15T12:46:07.492Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01808079"
    },
    {
      "nct_id": "NCT02015728",
      "title": "Selecting Patient-Specific Biologically Targeted Therapy for Pediatric Patients With Refractory Or Recurrent Brain Tumors",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Recurrent Childhood Brain Tumor"
      ],
      "interventions": [
        {
          "name": "Tumor biology testing",
          "type": "DEVICE"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Sorafenib",
          "type": "DRUG"
        },
        {
          "name": "Everolimus",
          "type": "DRUG"
        },
        {
          "name": "Erlotinib",
          "type": "DRUG"
        },
        {
          "name": "Dasatinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Seattle Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "1 Month to 30 Years"
      },
      "enrollment_count": 20,
      "start_date": "2013-12",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2016-12-15",
      "last_synced_at": "2026-11-15T12:46:07.492Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02015728"
    },
    {
      "nct_id": "NCT00347438",
      "title": "Capecitabine as NeoAdjuvant Therapy in Locally Advanced Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Capecitabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Chicago",
      "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": 18,
      "start_date": "2006-09",
      "completion_date": "2013-03",
      "has_results": true,
      "last_update_posted_date": "2015-12-14",
      "last_synced_at": "2026-11-15T12:46:07.492Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00347438"
    },
    {
      "nct_id": "NCT00280202",
      "title": "Detection of Genetic Markers of Lung Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Biopsy of the major carinal area",
          "type": "PROCEDURE"
        },
        {
          "name": "Biopsy of abnormal & suspicious areas of the bronchial tree",
          "type": "PROCEDURE"
        },
        {
          "name": "Evaluation of the tumor for DNA mutations",
          "type": "PROCEDURE"
        },
        {
          "name": "Bronchoalveolar Lavage (BAL) for cytokine analysis",
          "type": "PROCEDURE"
        },
        {
          "name": "Correlation of flow cytometric & RT PCR for TNM stage",
          "type": "PROCEDURE"
        },
        {
          "name": "Analysis of lymph nodes",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 6000,
      "start_date": "1996-06",
      "completion_date": "2050-12",
      "has_results": false,
      "last_update_posted_date": "2026-11-10",
      "last_synced_at": "2026-11-15T12:46:07.492Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00280202"
    }
  ]
}