{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+blood+draw&page=44",
    "query": {
      "intervention": "Biomarker blood draw",
      "page": 44
    },
    "page_size": 10
  },
  "pagination": {
    "page": 44,
    "page_size": 10,
    "total_count": 1744,
    "total_pages": 175,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+blood+draw&page=45&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+blood+draw&page=43&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T05:31:08.959Z",
  "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": "NCT03326323",
      "title": "Biomarker and Thrombogenicity Assessment in Cardiopulmonary Bypass Surgery Utilizing Acute Normovolemic Hemodilution",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bleeding Reduction"
      ],
      "interventions": [
        {
          "name": "Acute Normovolemic Hemodilution",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Inova Health Care Services",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 43,
      "start_date": "2018-03-19",
      "completion_date": "2019-10-17",
      "has_results": true,
      "last_update_posted_date": "2020-01-13",
      "last_synced_at": "2026-10-24T05:31:08.959Z",
      "location_count": 1,
      "location_summary": "Falls Church, Virginia",
      "locations": [
        {
          "city": "Falls Church",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03326323"
    },
    {
      "nct_id": "NCT01934179",
      "title": "Telomere Length in Predicting Toxicity in Older Patients With Stage III-IV Colorectal Cancer Undergoing Chemotherapy",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Mucinous Adenocarcinoma of the Colon",
        "Mucinous Adenocarcinoma of the Rectum",
        "Signet Ring Adenocarcinoma of the Colon",
        "Signet Ring Adenocarcinoma of the Rectum",
        "Stage IIIA Colon Cancer",
        "Stage IIIA Rectal Cancer",
        "Stage IIIB Colon Cancer",
        "Stage IIIB Rectal Cancer",
        "Stage IIIC Colon Cancer",
        "Stage IIIC Rectal Cancer",
        "Stage IV Colon Cancer",
        "Stage IV Rectal Cancer"
      ],
      "interventions": [
        {
          "name": "cytology specimen collection procedure",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Fox Chase Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "70 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "70 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2013-10",
      "completion_date": "2015-09-11",
      "has_results": false,
      "last_update_posted_date": "2018-02-07",
      "last_synced_at": "2026-10-24T05:31:08.959Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01934179"
    },
    {
      "nct_id": "NCT00898456",
      "title": "Multidrug Resistance Genes in Patients With Acute Myeloid Leukemia",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Leukemia"
      ],
      "interventions": [
        {
          "name": "gene expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "molecular genetic technique",
          "type": "GENETIC"
        },
        {
          "name": "polymorphism analysis",
          "type": "GENETIC"
        },
        {
          "name": "protein expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "diagnostic laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "15 Years and older"
      },
      "enrollment_count": 600,
      "start_date": "2006-10",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2023-08-18",
      "last_synced_at": "2026-10-24T05:31:08.959Z",
      "location_count": 1,
      "location_summary": "Fort Wayne, Indiana",
      "locations": [
        {
          "city": "Fort Wayne",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00898456"
    },
    {
      "nct_id": "NCT03425331",
      "title": "Biomarkers of Response to Ipilimumab and Nivolumab in First-line NSCLC",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Non-small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Ipilimumab",
          "type": "DRUG"
        },
        {
          "name": "Nivolumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 5,
      "start_date": "2018-04-10",
      "completion_date": "2021-11-28",
      "has_results": true,
      "last_update_posted_date": "2026-07-16",
      "last_synced_at": "2026-10-24T05:31:08.959Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03425331"
    },
    {
      "nct_id": "NCT00900133",
      "title": "Study of Calgranulin A/B Levels in Patients With Newly Diagnosed Stage I,II,III Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "immunoenzyme technique",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Case 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": 60,
      "start_date": "2005-01",
      "completion_date": "2006-12",
      "has_results": false,
      "last_update_posted_date": "2015-10-02",
      "last_synced_at": "2026-10-24T05:31:08.959Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00900133"
    },
    {
      "nct_id": "NCT01263782",
      "title": "BATTLE-FL: Front-Line Biomarker-Integrated Treatment Study in Non Small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Pemetrexed",
          "type": "DRUG"
        },
        {
          "name": "Bevacizumab",
          "type": "DRUG"
        },
        {
          "name": "Cixutumumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 64,
      "start_date": "2011-05-17",
      "completion_date": "2017-08-15",
      "has_results": true,
      "last_update_posted_date": "2019-05-15",
      "last_synced_at": "2026-10-24T05:31:08.959Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01263782"
    },
    {
      "nct_id": "NCT04406831",
      "title": "The Role of MicroRNA in the Diagnosis, Prognosis and Response to Treatment in Pancreatic Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreatic Cancer Stage III",
        "Pancreatic Cancer Stage IV",
        "Pancreatic Ductal Adenocarcinoma",
        "Pancreatic Neoplasms"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Nuvance Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2015-04",
      "completion_date": "2030-04",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-10-24T05:31:08.959Z",
      "location_count": 1,
      "location_summary": "Norwalk, Connecticut",
      "locations": [
        {
          "city": "Norwalk",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04406831"
    },
    {
      "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": "2026-10-24T05:31:08.959Z",
      "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": "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": "2026-10-24T05:31:08.959Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04288427"
    },
    {
      "nct_id": "NCT00006251",
      "title": "Fludarabine Phosphate, Low-Dose Total-Body Irradiation, and Donor Stem Cell Transplant Followed by Cyclosporine, Mycophenolate Mofetil, Donor Lymphocyte Infusion in Treating Patients With Hematopoietic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Acute Undifferentiated Leukemia",
        "Adult Nasal Type Extranodal NK/T-cell Lymphoma",
        "Anaplastic Large Cell Lymphoma",
        "Angioimmunoblastic T-cell Lymphoma",
        "Childhood Burkitt Lymphoma",
        "Childhood Diffuse Large Cell Lymphoma",
        "Childhood Grade III Lymphomatoid Granulomatosis",
        "Childhood Immunoblastic Large Cell Lymphoma",
        "Childhood Myelodysplastic Syndromes",
        "Childhood Nasal Type Extranodal NK/T-cell Lymphoma",
        "Chronic Myelomonocytic Leukemia",
        "Cutaneous B-cell Non-Hodgkin Lymphoma",
        "de Novo Myelodysplastic Syndromes",
        "Extranodal Marginal Zone B-cell Lymphoma of Mucosa-associated Lymphoid Tissue",
        "Hepatosplenic T-cell Lymphoma",
        "Intraocular Lymphoma",
        "Juvenile Myelomonocytic Leukemia",
        "Mast Cell Leukemia",
        "Myelodysplastic/Myeloproliferative Neoplasm, Unclassifiable",
        "Myeloid/NK-cell Acute Leukemia",
        "Nodal Marginal Zone B-cell Lymphoma",
        "Noncutaneous Extranodal Lymphoma",
        "Peripheral T-cell Lymphoma",
        "Post-transplant Lymphoproliferative Disorder",
        "Previously Treated Myelodysplastic Syndromes",
        "Primary Systemic Amyloidosis",
        "Recurrent Adult Acute Lymphoblastic Leukemia",
        "Recurrent Adult Acute Myeloid Leukemia",
        "Recurrent Adult Burkitt Lymphoma",
        "Recurrent Adult Diffuse Large Cell Lymphoma",
        "Recurrent Adult Diffuse Mixed Cell Lymphoma",
        "Recurrent Adult Diffuse Small Cleaved Cell Lymphoma",
        "Recurrent Adult Grade III Lymphomatoid Granulomatosis",
        "Recurrent Adult Hodgkin Lymphoma",
        "Recurrent Adult Immunoblastic Large Cell Lymphoma",
        "Recurrent Adult Lymphoblastic Lymphoma",
        "Recurrent Adult T-cell Leukemia/Lymphoma",
        "Recurrent Childhood Acute Lymphoblastic Leukemia",
        "Recurrent Childhood Acute Myeloid Leukemia",
        "Recurrent Childhood Anaplastic Large Cell Lymphoma",
        "Recurrent Childhood Grade III Lymphomatoid Granulomatosis",
        "Recurrent Childhood Large Cell Lymphoma",
        "Recurrent Childhood Lymphoblastic Lymphoma",
        "Recurrent Childhood Small Noncleaved Cell Lymphoma",
        "Recurrent Cutaneous T-cell Non-Hodgkin Lymphoma",
        "Recurrent Grade 1 Follicular Lymphoma",
        "Recurrent Grade 2 Follicular Lymphoma",
        "Recurrent Grade 3 Follicular Lymphoma",
        "Recurrent Mantle Cell Lymphoma",
        "Recurrent Marginal Zone Lymphoma",
        "Recurrent Mycosis Fungoides/Sezary Syndrome",
        "Recurrent Renal Cell Cancer",
        "Recurrent Small Lymphocytic Lymphoma",
        "Recurrent/Refractory Childhood Hodgkin Lymphoma",
        "Refractory Chronic Lymphocytic Leukemia",
        "Refractory Hairy Cell Leukemia",
        "Refractory Multiple Myeloma",
        "Small Intestine Lymphoma",
        "Splenic Marginal Zone Lymphoma",
        "Stage II Multiple Myeloma",
        "Stage III Multiple Myeloma",
        "T-cell Large Granular Lymphocyte Leukemia",
        "Testicular Lymphoma",
        "Waldenström Macroglobulinemia"
      ],
      "interventions": [
        {
          "name": "total-body irradiation",
          "type": "RADIATION"
        },
        {
          "name": "fludarabine phosphate",
          "type": "DRUG"
        },
        {
          "name": "cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "mycophenolate mofetil",
          "type": "DRUG"
        },
        {
          "name": "nonmyeloablative allogeneic hematopoietic stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "donor lymphocytes",
          "type": "BIOLOGICAL"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG",
        "PROCEDURE",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "Up to 74 Years"
      },
      "enrollment_count": 21,
      "start_date": "2000-05",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2020-01-21",
      "last_synced_at": "2026-10-24T05:31:08.959Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006251"
    }
  ]
}