{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+Testing&page=22",
    "query": {
      "intervention": "Biomarker Testing",
      "page": 22
    },
    "page_size": 10
  },
  "pagination": {
    "page": 22,
    "page_size": 10,
    "total_count": 808,
    "total_pages": 81,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+Testing&page=23&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+Testing&page=21&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T06:11:31.867Z",
  "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": "NCT04419896",
      "title": "The Informed Genetics Annotated Patient Registry",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Predisposition, Genetic"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Medneon",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10000,
      "start_date": "2019-01-23",
      "completion_date": "2030-01-01",
      "has_results": false,
      "last_update_posted_date": "2022-04-05",
      "last_synced_at": "2026-10-23T06:11:31.867Z",
      "location_count": 5,
      "location_summary": "Redding, California • Barrington, Illinois • Troy, Michigan + 2 more",
      "locations": [
        {
          "city": "Redding",
          "state": "California"
        },
        {
          "city": "Barrington",
          "state": "Illinois"
        },
        {
          "city": "Troy",
          "state": "Michigan"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04419896"
    },
    {
      "nct_id": "NCT04288427",
      "title": "5-Alpha Reductase 2 as a Marker of Resistance to 5ARI Therapy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Benign Prostatic Hyperplasia",
        "Prostate Hyperplasia",
        "Prostate Disease",
        "Prostate Hypertrophy",
        "Prostate Pain",
        "Lower Urinary Tract Symptoms",
        "Urinary Obstruction",
        "Urinary Tract Disease"
      ],
      "interventions": [
        {
          "name": "Finasteride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "50 Years and older · Male only"
      },
      "enrollment_count": 120,
      "start_date": "2020-09-25",
      "completion_date": "2026-11-30",
      "has_results": false,
      "last_update_posted_date": "2025-10-28",
      "last_synced_at": "2026-10-23T06:11:31.867Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04288427"
    },
    {
      "nct_id": "NCT03683680",
      "title": "Prospectively Collected Pleural Biopsies for Validation of Malignant Pleural Mesothelioma Prognostic Biomarkers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mesothelioma"
      ],
      "interventions": [
        {
          "name": "MPT Test",
          "type": "OTHER"
        },
        {
          "name": "CLDN15/VIM Test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 240,
      "start_date": "2018-10-31",
      "completion_date": "2030-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-10-23T06:11:31.867Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03683680"
    },
    {
      "nct_id": "NCT05327686",
      "title": "Testing the Addition of Stereotactic Radiation Therapy With Immune Therapy for the Treatment of Patients With Unresectable or Metastatic Renal Cell Cancer, SAMURAI Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Renal Cell Carcinoma",
        "Stage III Renal Cell Cancer AJCC v8",
        "Stage IV Renal Cell Cancer AJCC v8",
        "Unresectable Renal Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Avelumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Axitinib",
          "type": "DRUG"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Cabozantinib",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Lenvatinib",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Stereotactic Ablative Radiotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "NRG Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 240,
      "start_date": "2023-02-01",
      "completion_date": "2033-06-15",
      "has_results": false,
      "last_update_posted_date": "2026-09-18",
      "last_synced_at": "2026-10-23T06:11:31.867Z",
      "location_count": 323,
      "location_summary": "Birmingham, Alabama • Kingman, Arizona • Phoenix, Arizona + 248 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Kingman",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Arroyo Grande",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05327686"
    },
    {
      "nct_id": "NCT04079712",
      "title": "Testing the Combination of XL184 (Cabozantinib), Nivolumab, and Ipilimumab for Poorly Differentiated Neuroendocrine Tumors",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Large Cell Neuroendocrine Carcinoma",
        "Metastatic Neuroendocrine Carcinoma",
        "Metastatic Neuroendocrine Neoplasm",
        "Metastatic Small Cell Neuroendocrine Carcinoma"
      ],
      "interventions": [
        {
          "name": "Cabozantinib S-malate",
          "type": "DRUG"
        },
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "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": 17,
      "start_date": "2020-08-06",
      "completion_date": "2027-09-02",
      "has_results": true,
      "last_update_posted_date": "2026-09-22",
      "last_synced_at": "2026-10-23T06:11:31.867Z",
      "location_count": 45,
      "location_summary": "Birmingham, Alabama • Tucson, Arizona • Duarte, California + 35 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04079712"
    },
    {
      "nct_id": "NCT03064607",
      "title": "Neurodegeneration in Newborns After Anesthetics",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neurodegeneration",
        "General Anesthesia"
      ],
      "interventions": [
        {
          "name": "Fluid collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "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": 25,
      "start_date": "2010-11-05",
      "completion_date": "2018-02-06",
      "has_results": false,
      "last_update_posted_date": "2019-02-19",
      "last_synced_at": "2026-10-23T06:11:31.867Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03064607"
    },
    {
      "nct_id": "NCT02272595",
      "title": "Rational Therapeutics Based on Matched Tumor and Normal Tissue",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Advanced Cancers"
      ],
      "interventions": [
        {
          "name": "Treatment Based on Genetic Mutation",
          "type": "OTHER"
        },
        {
          "name": "Treatment Based on No Genetic Mutation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "M.D. Anderson 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": 3,
      "start_date": "2014-11-04",
      "completion_date": "2022-01-11",
      "has_results": false,
      "last_update_posted_date": "2022-02-15",
      "last_synced_at": "2026-10-23T06:11:31.867Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02272595"
    },
    {
      "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": "2026-10-23T06:11:31.867Z",
      "location_count": 1,
      "location_summary": "Murray, Utah",
      "locations": [
        {
          "city": "Murray",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05715853"
    },
    {
      "nct_id": "NCT02581930",
      "title": "Ibrutinib in Treating Patients With Refractory Metastatic Cutaneous Melanoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Melanoma",
        "Recurrent Cutaneous Melanoma",
        "Stage IV Cutaneous Melanoma AJCC v6 and v7"
      ],
      "interventions": [
        {
          "name": "Ibrutinib",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Pharmacogenomic Study",
          "type": "OTHER"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "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": 18,
      "start_date": "2016-12-16",
      "completion_date": "2021-09-09",
      "has_results": true,
      "last_update_posted_date": "2026-08-11",
      "last_synced_at": "2026-10-23T06:11:31.867Z",
      "location_count": 13,
      "location_summary": "Los Angeles, California • Sacramento, California • Aurora, Colorado + 9 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02581930"
    },
    {
      "nct_id": "NCT03996967",
      "title": "Diagnostic and Prognostic Biomarkers for Childhood Bacterial Pneumonia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pneumonia, Bacterial",
        "Viral Infection",
        "Clinical Pneumonia",
        "Plasmodium Falciparum Malaria",
        "Malaria",
        "Infections, Respiratory"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Boston University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": "5 Years",
        "sex": "ALL",
        "summary": "2 Months to 5 Years"
      },
      "enrollment_count": 837,
      "start_date": "2019-02-11",
      "completion_date": "2021-04-10",
      "has_results": false,
      "last_update_posted_date": "2022-05-31",
      "last_synced_at": "2026-10-23T06:11:31.867Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03996967"
    }
  ]
}