{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+Testing&page=28",
    "query": {
      "intervention": "Biomarker Testing",
      "page": 28
    },
    "page_size": 10
  },
  "pagination": {
    "page": 28,
    "page_size": 10,
    "total_count": 808,
    "total_pages": 81,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+Testing&page=29&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+Testing&page=27&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T13:59:09.658Z",
  "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": "NCT02834650",
      "title": "Validating Cardiac MRI Biomarkers and Genotype-Phenotype Correlations for DMD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Muscular Dystrophy, Duchenne"
      ],
      "interventions": [
        {
          "name": "Cardiac MRI with contrast",
          "type": "OTHER"
        },
        {
          "name": "Cardiac MRI without contrast",
          "type": "OTHER"
        },
        {
          "name": "Blood Test",
          "type": "OTHER"
        },
        {
          "name": "Heart Rate",
          "type": "OTHER"
        },
        {
          "name": "Pulmonary Function Test",
          "type": "OTHER"
        },
        {
          "name": "Genetic Testing",
          "type": "OTHER"
        },
        {
          "name": "Repeat MRI scan",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "21 Years",
        "sex": "MALE",
        "summary": "7 Years to 21 Years · Male only"
      },
      "enrollment_count": 89,
      "start_date": "2017-02-01",
      "completion_date": "2022-03-30",
      "has_results": false,
      "last_update_posted_date": "2022-05-10",
      "last_synced_at": "2026-10-23T13:59:09.658Z",
      "location_count": 3,
      "location_summary": "Los Angeles, California • Orange, California • Stanford, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02834650"
    },
    {
      "nct_id": "NCT02276989",
      "title": "Evaluation of a Compliance Marker in Prescription Opioid Abusers With Chronic Pain",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Compliance",
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "acetazolamide",
          "type": "DRUG"
        },
        {
          "name": "Quinine",
          "type": "DRUG"
        },
        {
          "name": "Riboflavin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Georgetown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 0,
      "start_date": "2014-12",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2017-02-10",
      "last_synced_at": "2026-10-23T13:59:09.658Z",
      "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/NCT02276989"
    },
    {
      "nct_id": "NCT05678348",
      "title": "Pyrimethamine as an Inhibitor of NRF2 in HPV-unrelated Locally Advanced Head and Neck Squamous Cell Carcinoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Head and Neck Cancer",
        "Cancer of the Head and Neck"
      ],
      "interventions": [
        {
          "name": "Pyrimethamine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2023-08-03",
      "completion_date": "2025-08-04",
      "has_results": false,
      "last_update_posted_date": "2025-08-17",
      "last_synced_at": "2026-10-23T13:59:09.658Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05678348"
    },
    {
      "nct_id": "NCT04954885",
      "title": "Evaluating Modifiable Biomarkers for the Prediction of Immunotherapy Response and Toxicity",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Non-Squamous Non-Small Cell Carcinoma",
        "Stage IIIB Lung Cancer AJCC v8",
        "Stage IV Lung Cancer AJCC v8",
        "Stage IVA Lung Cancer AJCC v8",
        "Stage IVB Lung Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Physical Performance Testing",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Ohio State University 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": 2,
      "start_date": "2021-05-18",
      "completion_date": "2022-10-12",
      "has_results": false,
      "last_update_posted_date": "2025-01-27",
      "last_synced_at": "2026-10-23T13:59:09.658Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04954885"
    },
    {
      "nct_id": "NCT02733055",
      "title": "Posturography as Biomarker of Oculomotor and Postural Control Integration",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postural Balance"
      ],
      "interventions": [
        {
          "name": "posturographic evaluation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Carrick Institute for Graduate Studies",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2016-04-01",
      "completion_date": "2019-04-12",
      "has_results": false,
      "last_update_posted_date": "2021-01-27",
      "last_synced_at": "2026-10-23T13:59:09.658Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02733055"
    },
    {
      "nct_id": "NCT02466971",
      "title": "Testing the Addition of a New Anti-Cancer Drug, Triapine, to the Usual Chemotherapy Treatment (Cisplatin) During Radiation Therapy for Advanced-stage Cervical and Vaginal Cancers",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Advanced Vaginal Adenocarcinoma",
        "Advanced Vaginal Adenosquamous Carcinoma",
        "Advanced Vaginal Squamous Cell Carcinoma",
        "Cervical Adenocarcinoma",
        "Cervical Adenosquamous Carcinoma",
        "Cervical Squamous Cell Carcinoma",
        "Stage IB2 Cervical Cancer AJCC v6 and v7",
        "Stage II Cervical Cancer AJCC v7",
        "Stage II Vaginal Cancer AJCC v6 and v7",
        "Stage IIA Cervical Cancer AJCC v7",
        "Stage IIB Cervical Cancer AJCC v6 and v7",
        "Stage III Vaginal Cancer AJCC v6 and v7",
        "Stage IIIB Cervical Cancer AJCC v6 and v7",
        "Stage IV Vaginal Cancer AJCC v6 and v7",
        "Stage IVA Cervical Cancer AJCC v6 and v7",
        "Stage IVA Vaginal Cancer AJCC v6 and v7",
        "Unresectable Vaginal Carcinoma",
        "Vaginal Adenocarcinoma",
        "Vaginal Adenosquamous Carcinoma",
        "Vaginal Carcinoma",
        "Vaginal Squamous Cell Carcinoma, Not Otherwise Specified"
      ],
      "interventions": [
        {
          "name": "Brachytherapy",
          "type": "RADIATION"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "External Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Triapine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 450,
      "start_date": "2016-05-10",
      "completion_date": "2027-07-14",
      "has_results": true,
      "last_update_posted_date": "2026-10-22",
      "last_synced_at": "2026-10-23T13:59:09.658Z",
      "location_count": 377,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 253 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02466971"
    },
    {
      "nct_id": "NCT02496208",
      "title": "Cabozantinib S-malate and Nivolumab With or Without Ipilimumab in Treating Patients With Metastatic Genitourinary Tumors",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Bladder Small Cell Neuroendocrine Carcinoma",
        "Bladder Squamous Cell Carcinoma",
        "Bladder Urothelial Carcinoma",
        "Clear Cell Renal Cell Carcinoma",
        "Invasive Bladder Plasmacytoid Urothelial Carcinoma",
        "Invasive Bladder Sarcomatoid Urothelial Carcinoma",
        "Invasive Sarcomatoid Urothelial Carcinoma",
        "Kidney Medullary Carcinoma",
        "Malignant Genitourinary System Neoplasm",
        "Malignant Solid Neoplasm",
        "Penile Carcinoma",
        "Penile Squamous Cell Carcinoma",
        "Renal Cell Carcinoma",
        "Renal Pelvis Urothelial Carcinoma",
        "Sarcomatoid Renal Cell Carcinoma",
        "Stage III Bladder Cancer AJCC v8",
        "Stage III Penile Cancer AJCC v8",
        "Stage III Renal Cell Cancer AJCC v8",
        "Stage III Renal Pelvis and Ureter Cancer AJCC v8",
        "Stage III Renal Pelvis Cancer AJCC v8",
        "Stage III Ureter Cancer AJCC v8",
        "Stage III Urethral Cancer AJCC v8",
        "Stage IV Bladder Cancer AJCC v8",
        "Stage IV Penile Cancer AJCC v8",
        "Stage IV Renal Cell Cancer AJCC v8",
        "Stage IV Renal Pelvis and Ureter Cancer AJCC v8",
        "Stage IV Ureter Cancer AJCC v8",
        "Stage IV Urethral Cancer AJCC v8",
        "Ureter Urothelial Carcinoma",
        "Urethral Urothelial Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Cabozantinib S-malate",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL"
      ],
      "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": 152,
      "start_date": "2015-07-22",
      "completion_date": "2027-07-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-15",
      "last_synced_at": "2026-10-23T13:59:09.658Z",
      "location_count": 8,
      "location_summary": "Duarte, California • Los Angeles, California • Sacramento, California + 3 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02496208"
    },
    {
      "nct_id": "NCT01363596",
      "title": "International NaProTechnology Evaluation and Surveillance of Treatment for Infertility and Miscarriage (iNEST)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Infertility",
        "Miscarriage"
      ],
      "interventions": [
        {
          "name": "Creighton Model System in conjunction with Natural Procreative Technology (NPT)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 834,
      "start_date": "2006-01",
      "completion_date": "2020-12",
      "has_results": false,
      "last_update_posted_date": "2023-04-27",
      "last_synced_at": "2026-10-23T13:59:09.658Z",
      "location_count": 5,
      "location_summary": "Baton Rouge, Louisiana • Gardner, Massachusetts • St Louis, Missouri + 2 more",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        },
        {
          "city": "Gardner",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Clinton",
          "state": "New Jersey"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01363596"
    },
    {
      "nct_id": "NCT00409396",
      "title": "A Study to Determine Whether Urinary PGE-M Levels Correlate With Ulcerative Colitis Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ulcerative Colitis"
      ],
      "interventions": [
        {
          "name": "Urinary PGEm level",
          "type": "PROCEDURE"
        },
        {
          "name": "fecal calprotectin",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2006-11",
      "completion_date": "2007-12",
      "has_results": false,
      "last_update_posted_date": "2015-06-09",
      "last_synced_at": "2026-10-23T13:59:09.658Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00409396"
    },
    {
      "nct_id": "NCT05715853",
      "title": "Prospective Assessment of Rejection in Kidney Transplant (PARK)",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Kidney Transplant Failure and Rejection"
      ],
      "interventions": [
        {
          "name": "QSant",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "NephroSant",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2022-12-20",
      "completion_date": "2023-09-30",
      "has_results": false,
      "last_update_posted_date": "2023-02-08",
      "last_synced_at": "2026-10-23T13:59:09.658Z",
      "location_count": 1,
      "location_summary": "Murray, Utah",
      "locations": [
        {
          "city": "Murray",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05715853"
    }
  ]
}