{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+biomarker&page=20",
    "query": {
      "intervention": "blood biomarker",
      "page": 20
    },
    "page_size": 10
  },
  "pagination": {
    "page": 20,
    "page_size": 10,
    "total_count": 1740,
    "total_pages": 174,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+biomarker&page=21&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+biomarker&page=19&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-16T07:11:15.245Z",
  "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": "NCT00070122",
      "title": "Combination Chemotherapy and Bevacizumab in Treating Patients With Locally Advanced, Metastatic, or Recurrent Colorectal Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Adenocarcinoma of the Colon",
        "Adenocarcinoma of the Rectum",
        "Recurrent Colon Cancer",
        "Recurrent Rectal Cancer",
        "Stage III Colon Cancer",
        "Stage III Rectal Cancer",
        "Stage IV Colon Cancer",
        "Stage IV Rectal Cancer"
      ],
      "interventions": [
        {
          "name": "oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "leucovorin calcium",
          "type": "DRUG"
        },
        {
          "name": "capecitabine",
          "type": "DRUG"
        },
        {
          "name": "bevacizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "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": 2200,
      "start_date": "2004-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-01-25",
      "last_synced_at": "2026-10-16T07:11:15.245Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00070122"
    },
    {
      "nct_id": "NCT04496830",
      "title": "SPINCOMS Biomarker Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "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": 161,
      "start_date": "2020-06-15",
      "completion_date": "2023-11-24",
      "has_results": false,
      "last_update_posted_date": "2025-09-11",
      "last_synced_at": "2026-10-16T07:11:15.245Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04496830"
    },
    {
      "nct_id": "NCT03704766",
      "title": "Alpha-Defensin and Synovial Proteins to Improve Detection of Pediatric Septic Arthritis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Joint Infection",
        "Infection of Hip Joint (Disorder)",
        "Infection of Shoulder Joint",
        "Septic Arthritis"
      ],
      "interventions": [
        {
          "name": "Synovial Alpha-defensin assay",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Synovial Neutrophil elastase assay",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Synovial lactate assay",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Synovial C-reactive Protein (CRP)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Synovial Staphylococcus spp antigen panel",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Synovial Candida spp antigen panel",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Synovial Enterococcus faecalis assay",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Synovial bacterial culture by BacT/Alert",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Synovial Cell count + differential (CBC)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Synovial Gram Stain",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Synovial Leukocyte Esterase Test Strips",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Synovial PCR for Kingella kingae",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Serum Cell count + differential (CBC)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Serum erythrocyte sedimentation rate (ESR)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Serum C-reactive Protein (CRP)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Serum D-dimer",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Serum Procalcitonin",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood Cultures",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Optional blood testing per standard of care (ASO, anti-strep, ANA, anti-DS-DNA, HLA-B27, RF, Lyme and other inflammatory/ rheumatologic markers )",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "Up to 17 Years"
      },
      "enrollment_count": 442,
      "start_date": "2016-06-28",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-29",
      "last_synced_at": "2026-10-16T07:11:15.245Z",
      "location_count": 3,
      "location_summary": "Atlanta, Georgia • New York, New York • Collierville, Tennessee",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Collierville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03704766"
    },
    {
      "nct_id": "NCT02862275",
      "title": "Atezolizumab in Treating Patients With Cancer Following Adoptive Cell Transfer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hematopoietic and Lymphoid Cell Neoplasm",
        "Metastatic Malignant Solid Neoplasm",
        "Unresectable Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Atezolizumab",
          "type": "DRUG"
        },
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "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": 40,
      "start_date": "2017-05-24",
      "completion_date": "2026-11-21",
      "has_results": false,
      "last_update_posted_date": "2026-06-17",
      "last_synced_at": "2026-10-16T07:11:15.245Z",
      "location_count": 8,
      "location_summary": "La Jolla, California • Tampa, Florida • Atlanta, Georgia + 2 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02862275"
    },
    {
      "nct_id": "NCT05556967",
      "title": "Identification of Surrogate Blood and/or Urine Biomarker for Immulina TM (Trademark) in Normal Humans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Adherence, Patient"
      ],
      "interventions": [
        {
          "name": "Immulina",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Mississippi Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 20,
      "start_date": "2023-08-09",
      "completion_date": "2023-10-19",
      "has_results": false,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-10-16T07:11:15.245Z",
      "location_count": 1,
      "location_summary": "Jackson, Mississippi",
      "locations": [
        {
          "city": "Jackson",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05556967"
    },
    {
      "nct_id": "NCT06282081",
      "title": "Serum Neurofilament Light in Multiple Sclerosis",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis",
        "Relapsing Remitting Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Serum Neurofilament Light",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Dent Neuroscience Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 42,
      "start_date": "2024-04-09",
      "completion_date": "2027-03-01",
      "has_results": false,
      "last_update_posted_date": "2025-02-14",
      "last_synced_at": "2026-10-16T07:11:15.245Z",
      "location_count": 1,
      "location_summary": "Amherst, New York",
      "locations": [
        {
          "city": "Amherst",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06282081"
    },
    {
      "nct_id": "NCT00946712",
      "title": "S0819: Carboplatin and Paclitaxel With or Without Bevacizumab and/or Cetuximab in Treating Patients With Stage IV or Recurrent Non-Small Cell Lung Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Recurrent Large Cell Lung Carcinoma",
        "Recurrent Lung Adenocarcinoma",
        "Recurrent Squamous Cell Lung Carcinoma",
        "Stage IV Large Cell Lung Carcinoma",
        "Stage IV Lung Adenocarcinoma",
        "Stage IV Squamous Cell Lung Carcinoma"
      ],
      "interventions": [
        {
          "name": "Bevacizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Cetuximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "SWOG Cancer Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1333,
      "start_date": "2009-07-15",
      "completion_date": "2022-02-08",
      "has_results": true,
      "last_update_posted_date": "2023-05-23",
      "last_synced_at": "2026-10-16T07:11:15.245Z",
      "location_count": 797,
      "location_summary": "Anniston, Alabama • Mobile, Alabama • Anchorage, Alaska + 473 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00946712"
    },
    {
      "nct_id": "NCT00780481",
      "title": "Characterization of Brachial Arterial t-PA Release, Endothelial Function, Obesity and Inflammation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Bradykinin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2007-01",
      "completion_date": "2011-05",
      "has_results": true,
      "last_update_posted_date": "2017-07-14",
      "last_synced_at": "2026-10-16T07:11:15.245Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00780481"
    },
    {
      "nct_id": "NCT03721367",
      "title": "Chronic Liver Disease in Urea Cycle Disorders",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Urea Cycle Disorder"
      ],
      "interventions": [
        {
          "name": "Diagnostic Ultrasound",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "5 Years to 60 Years"
      },
      "enrollment_count": 28,
      "start_date": "2017-11-29",
      "completion_date": "2020-06-01",
      "has_results": true,
      "last_update_posted_date": "2023-02-10",
      "last_synced_at": "2026-10-16T07:11:15.245Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03721367"
    },
    {
      "nct_id": "NCT01801046",
      "title": "Donor Stem Cell Transplant in Treating Patients With High Risk Acute Myeloid Leukemia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Adult Acute Megakaryoblastic Leukemia (M7)",
        "Adult Acute Monoblastic Leukemia (M5a)",
        "Adult Acute Monocytic Leukemia (M5b)",
        "Adult Acute Myeloblastic Leukemia With Maturation (M2)",
        "Adult Acute Myeloblastic Leukemia Without Maturation (M1)",
        "Adult Acute Myeloid Leukemia in Remission",
        "Adult Acute Myeloid Leukemia With 11q23 (MLL) Abnormalities",
        "Adult Acute Myeloid Leukemia With Del(5q)",
        "Adult Acute Myeloid Leukemia With Inv(16)(p13;q22)",
        "Adult Acute Myeloid Leukemia With t(16;16)(p13;q22)",
        "Adult Acute Myeloid Leukemia With t(8;21)(q22;q22)",
        "Adult Acute Myelomonocytic Leukemia (M4)",
        "Adult Erythroleukemia (M6a)",
        "Adult Pure Erythroid Leukemia (M6b)",
        "Childhood Acute Erythroleukemia (M6)",
        "Childhood Acute Megakaryocytic Leukemia (M7)",
        "Childhood Acute Monoblastic Leukemia (M5a)",
        "Childhood Acute Monocytic Leukemia (M5b)",
        "Childhood Acute Myeloblastic Leukemia With Maturation (M2)",
        "Childhood Acute Myeloblastic Leukemia Without Maturation (M1)",
        "Childhood Acute Myeloid Leukemia in Remission",
        "Childhood Acute Myelomonocytic Leukemia (M4)",
        "Recurrent Adult Acute Myeloid Leukemia",
        "Recurrent Childhood Acute Myeloid Leukemia",
        "Secondary Acute Myeloid Leukemia",
        "Untreated Adult Acute Myeloid Leukemia",
        "Untreated Childhood Acute Myeloid Leukemia and Other Myeloid Malignancies"
      ],
      "interventions": [
        {
          "name": "mitoxantrone hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "cytarabine",
          "type": "DRUG"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 10,
      "start_date": "2013-03-06",
      "completion_date": "2017-08-20",
      "has_results": false,
      "last_update_posted_date": "2018-03-30",
      "last_synced_at": "2026-10-16T07:11:15.245Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01801046"
    }
  ]
}