{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+biomarker&page=26",
    "query": {
      "intervention": "blood biomarker",
      "page": 26
    },
    "page_size": 10
  },
  "pagination": {
    "page": 26,
    "page_size": 10,
    "total_count": 1741,
    "total_pages": 175,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+biomarker&page=27&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+biomarker&page=25&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-16T22:51:20.801Z",
  "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": "NCT03951428",
      "title": "Screening of Cancer Through Novel Female Specific Biomarkers",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Menstrual Blood Screening Test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "LifeStory Health Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 60,
      "start_date": "2019-05-15",
      "completion_date": "2019-12-31",
      "has_results": false,
      "last_update_posted_date": "2019-05-15",
      "last_synced_at": "2026-10-16T22:51:20.801Z",
      "location_count": 1,
      "location_summary": "Temple, Texas",
      "locations": [
        {
          "city": "Temple",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03951428"
    },
    {
      "nct_id": "NCT00244855",
      "title": "Rituximab and Dexamethasone in Treating Patients With Low-Grade Non-Hodgkin Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Contiguous Stage II Grade 1 Follicular Lymphoma",
        "Contiguous Stage II Grade 2 Follicular Lymphoma",
        "Contiguous Stage II Marginal Zone Lymphoma",
        "Cutaneous B-cell Non-Hodgkin Lymphoma",
        "Extranodal Marginal Zone B-cell Lymphoma of Mucosa-associated Lymphoid Tissue",
        "Nodal Marginal Zone B-cell Lymphoma",
        "Noncontiguous Stage II Grade 1 Follicular Lymphoma",
        "Noncontiguous Stage II Grade 2 Follicular Lymphoma",
        "Noncontiguous Stage II Marginal Zone Lymphoma",
        "Recurrent Grade 1 Follicular Lymphoma",
        "Recurrent Grade 2 Follicular Lymphoma",
        "Recurrent Marginal Zone Lymphoma",
        "Splenic Marginal Zone Lymphoma",
        "Stage I Grade 1 Follicular Lymphoma",
        "Stage I Grade 2 Follicular Lymphoma",
        "Stage I Marginal Zone Lymphoma",
        "Stage III Grade 1 Follicular Lymphoma",
        "Stage III Grade 2 Follicular Lymphoma",
        "Stage III Marginal Zone Lymphoma",
        "Stage IV Grade 1 Follicular Lymphoma",
        "Stage IV Grade 2 Follicular Lymphoma",
        "Stage IV Marginal Zone Lymphoma",
        "Waldenstrom Macroglobulinemia"
      ],
      "interventions": [
        {
          "name": "pharmacological study",
          "type": "OTHER"
        },
        {
          "name": "rituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Fred Hutchinson 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": 32,
      "start_date": "2004-05",
      "completion_date": "2011-08-29",
      "has_results": true,
      "last_update_posted_date": "2017-05-22",
      "last_synced_at": "2026-10-16T22:51:20.801Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00244855"
    },
    {
      "nct_id": "NCT01241903",
      "title": "Early Use of Rosuvastatin in Acute Coronary Syndromes: Targeting Platelet-Leukocyte Interactions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acute Coronary Syndrome",
        "Angioplasty, Transluminal, Percutaneous Coronary",
        "Hydroxymethylglutaryl-CoA Reductase Inhibitors",
        "Blood Platelets"
      ],
      "interventions": [
        {
          "name": "rosuvastatin",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Susan Smyth",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 54,
      "start_date": "2011-06",
      "completion_date": "2014-02",
      "has_results": true,
      "last_update_posted_date": "2017-03-28",
      "last_synced_at": "2026-10-16T22:51:20.801Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01241903"
    },
    {
      "nct_id": "NCT03100877",
      "title": "Melphalan, Total Marrow Irradiation, and Autologous Stem Cell Transplantation in Treating Patients With High-Risk Multiple Myeloma",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Plasma Cell Leukemia in Remission",
        "Plasma Cell Myeloma"
      ],
      "interventions": [
        {
          "name": "Autologous Hematopoietic Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Lenalidomide",
          "type": "DRUG"
        },
        {
          "name": "pheresis",
          "type": "PROCEDURE"
        },
        {
          "name": "Melphalan",
          "type": "DRUG"
        },
        {
          "name": "Palifermin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Total Marrow Irradiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 0,
      "start_date": "2018-01",
      "completion_date": "2020-05-24",
      "has_results": false,
      "last_update_posted_date": "2017-12-13",
      "last_synced_at": "2026-10-16T22:51:20.801Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03100877"
    },
    {
      "nct_id": "NCT02897427",
      "title": "Throat and Other HPV-Related Cancers in Men: Identifying Them Early",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Human Papillomavirus Infection"
      ],
      "interventions": [
        {
          "name": "Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Ultrasonography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "64 Years",
        "sex": "MALE",
        "summary": "50 Years to 64 Years · Male only"
      },
      "enrollment_count": 1500,
      "start_date": "2017-03-28",
      "completion_date": "2027-03-28",
      "has_results": false,
      "last_update_posted_date": "2026-01-26",
      "last_synced_at": "2026-10-16T22:51:20.801Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02897427"
    },
    {
      "nct_id": "NCT00898378",
      "title": "Study of Biomarkers in Blood & Tissue Samples From Patients With Colorectal Cancer or Polyps & Patients Without Polyps",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colorectal Cancer",
        "Healthy, no Evidence of Disease",
        "Precancerous Condition"
      ],
      "interventions": [
        {
          "name": "gene expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "polymerase chain reaction",
          "type": "GENETIC"
        },
        {
          "name": "polymorphism analysis",
          "type": "GENETIC"
        },
        {
          "name": "protein expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "proteomic profiling",
          "type": "GENETIC"
        },
        {
          "name": "gas chromatography",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "liquid chromatography",
          "type": "OTHER"
        },
        {
          "name": "mass spectrometry",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 551,
      "start_date": "2009-01",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2014-09-18",
      "last_synced_at": "2026-10-16T22:51:20.801Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00898378"
    },
    {
      "nct_id": "NCT01996527",
      "title": "3T MRI Biomarkers of Glioma Treatment Response",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Adult Anaplastic Astrocytoma",
        "Adult Anaplastic Ependymoma",
        "Adult Anaplastic Oligodendroglioma",
        "Adult Giant Cell Glioblastoma",
        "Adult Glioblastoma",
        "Adult Gliosarcoma",
        "Recurrent Adult Brain Tumor"
      ],
      "interventions": [
        {
          "name": "3-Tesla magnetic resonance imaging",
          "type": "DEVICE"
        },
        {
          "name": "CEST-MRI",
          "type": "DEVICE"
        },
        {
          "name": "DW-MRI",
          "type": "DEVICE"
        },
        {
          "name": "DCE-MRI",
          "type": "DEVICE"
        },
        {
          "name": "DSC-MRI",
          "type": "DEVICE"
        },
        {
          "name": "IV administration of gadolinium-containing contrast agent",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Vanderbilt-Ingram 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": 7,
      "start_date": "2012-05",
      "completion_date": "2016-01-01",
      "has_results": false,
      "last_update_posted_date": "2017-04-17",
      "last_synced_at": "2026-10-16T22:51:20.801Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01996527"
    },
    {
      "nct_id": "NCT04832659",
      "title": "Assessment of Biomarkers in Children to Help Parents Quit Tobacco",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "CEASE",
          "type": "BEHAVIORAL"
        },
        {
          "name": "CEASE + BIO",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 865,
      "start_date": "2023-01-20",
      "completion_date": "2026-05-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-15",
      "last_synced_at": "2026-10-16T22:51:20.801Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04832659"
    },
    {
      "nct_id": "NCT04171960",
      "title": "Clinical Evaluation of the i-STAT TBI Test",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Traumatic Brain Injury"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Outcome assessments",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "Abbott Point of Care",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1106,
      "start_date": "2020-07-31",
      "completion_date": "2023-11-29",
      "has_results": false,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-10-16T22:51:20.801Z",
      "location_count": 21,
      "location_summary": "San Francisco, California • Denver, Colorado • Englewood, Colorado + 17 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Carmel",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04171960"
    },
    {
      "nct_id": "NCT01369173",
      "title": "COMIDAS Comparing Original Mexican Diets and Standard US Diets",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Mexican or American foods",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 50,
      "start_date": "2011-10",
      "completion_date": "2015-04",
      "has_results": false,
      "last_update_posted_date": "2015-05-06",
      "last_synced_at": "2026-10-16T22:51:20.801Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01369173"
    }
  ]
}