{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+blood+draw&page=49",
    "query": {
      "intervention": "Biomarker blood draw",
      "page": 49
    },
    "page_size": 10
  },
  "pagination": {
    "page": 49,
    "page_size": 10,
    "total_count": 1744,
    "total_pages": 175,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+blood+draw&page=50&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+blood+draw&page=48&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T23:33:37.248Z",
  "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": "NCT01792791",
      "title": "Post-traumatic Arthritis Associated With Joint Injury",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Arthritis"
      ],
      "interventions": [
        {
          "name": "Tissue sample collection at the time of surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2012-10",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2016-12-19",
      "last_synced_at": "2026-10-24T23:33:37.248Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01792791"
    },
    {
      "nct_id": "NCT00757549",
      "title": "3'-Deoxy-3'-[18F] Fluorothymidine and Fludeoxyglucose F 18 PET Scans in Evaluating Response to Cetuximab, Cisplatin, and Radiation Therapy in Patients With Advanced Cancer of the Oropharynx, Larynx, or Hypopharynx",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "cetuximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "TdT-mediated dUTP nick end labeling assay",
          "type": "GENETIC"
        },
        {
          "name": "3'-deoxy-3'-[18F]fluorothymidine",
          "type": "OTHER"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "fludeoxyglucose F 18",
          "type": "RADIATION"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "GENETIC",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 30,
      "start_date": "2008-09",
      "completion_date": "2017-10-25",
      "has_results": false,
      "last_update_posted_date": "2017-10-31",
      "last_synced_at": "2026-10-24T23:33:37.248Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00757549"
    },
    {
      "nct_id": "NCT03784898",
      "title": "Collection of Blood Samples From Patients With Relapsing MS Who Developed ITP After Receiving Lemtrada",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Blood draw for future biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Genzyme, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2019-02-08",
      "completion_date": "2019-12-11",
      "has_results": true,
      "last_update_posted_date": "2022-03-28",
      "last_synced_at": "2026-10-24T23:33:37.248Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03784898"
    },
    {
      "nct_id": "NCT00900406",
      "title": "Collecting and Storing Tissue and DNA Samples From Patients Undergoing a Donor Stem Cell Transplant",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Chronic Myeloproliferative Disorders",
        "Gestational Trophoblastic Tumor",
        "Graft Versus Host Disease",
        "Leukemia",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Neoplasms",
        "Neuroblastoma",
        "Ovarian Cancer",
        "Testicular Germ Cell Tumor"
      ],
      "interventions": [
        {
          "name": "gene expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "microarray analysis",
          "type": "GENETIC"
        },
        {
          "name": "polymorphism analysis",
          "type": "GENETIC"
        },
        {
          "name": "proteomic profiling",
          "type": "GENETIC"
        },
        {
          "name": "flow cytometry",
          "type": "OTHER"
        },
        {
          "name": "immunologic technique",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER",
        "PROCEDURE"
      ],
      "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": 190,
      "start_date": "2007-01",
      "completion_date": "2010-03",
      "has_results": false,
      "last_update_posted_date": "2012-11-06",
      "last_synced_at": "2026-10-24T23:33:37.248Z",
      "location_count": 3,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00900406"
    },
    {
      "nct_id": "NCT03011814",
      "title": "Durvalumab With or Without Lenalidomide in Treating Patients With Relapsed or Refractory Cutaneous or Peripheral T Cell Lymphoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Folliculotropic Mycosis Fungoides",
        "Recurrent Cutaneous T-Cell Non-Hodgkin Lymphoma",
        "Recurrent Mycosis Fungoides",
        "Refractory Cutaneous T-Cell Non-Hodgkin Lymphoma",
        "Refractory Mycosis Fungoides",
        "Refractory Peripheral T-Cell Lymphoma, Not Otherwise Specified",
        "Sezary Syndrome",
        "Recurrent Mature T- and NK-Cell Non-Hodgkin Lymphoma"
      ],
      "interventions": [
        {
          "name": "Durvalumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Lenalidomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 78,
      "start_date": "2017-03-08",
      "completion_date": "2030-04-14",
      "has_results": false,
      "last_update_posted_date": "2026-07-31",
      "last_synced_at": "2026-10-24T23:33:37.248Z",
      "location_count": 4,
      "location_summary": "Duarte, California • New York, New York • Philadelphia, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03011814"
    },
    {
      "nct_id": "NCT03121287",
      "title": "Early Imaging Biomarkers in NSCLC",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Thoracic Cancer"
      ],
      "interventions": [
        {
          "name": "Imaging Biomarkers",
          "type": "OTHER"
        },
        {
          "name": "Pulmonary",
          "type": "OTHER"
        },
        {
          "name": "Imaging",
          "type": "OTHER"
        },
        {
          "name": "Specimen Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Michigan Rogel 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": 23,
      "start_date": "2015-09-23",
      "completion_date": "2019-01",
      "has_results": false,
      "last_update_posted_date": "2019-08-26",
      "last_synced_at": "2026-10-24T23:33:37.248Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03121287"
    },
    {
      "nct_id": "NCT01083914",
      "title": "Comparing Blood Loss, RBC Transfusions and Inflammatory Marker Changes Among Methods of CPB",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Baylor Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 102,
      "start_date": "2010-03",
      "completion_date": "2011-09",
      "has_results": false,
      "last_update_posted_date": "2013-08-23",
      "last_synced_at": "2026-10-24T23:33:37.248Z",
      "location_count": 1,
      "location_summary": "Plano, Texas",
      "locations": [
        {
          "city": "Plano",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01083914"
    },
    {
      "nct_id": "NCT00851552",
      "title": "Bortezomib, Doxorubicin Hydrochloride Liposome, and Rituximab in Treating Patients With Diffuse Large B-Cell Lymphoma That Has Relapsed or Not Responded to Treatment",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "rituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "bortezomib",
          "type": "DRUG"
        },
        {
          "name": "pegylated liposomal doxorubicin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "gene expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "polymerase chain reaction",
          "type": "GENETIC"
        },
        {
          "name": "polymorphism analysis",
          "type": "GENETIC"
        },
        {
          "name": "proteomic profiling",
          "type": "GENETIC"
        },
        {
          "name": "flow cytometry",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "GENETIC",
        "OTHER"
      ],
      "sponsor": "Roswell Park 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": 9,
      "start_date": "2009-01",
      "completion_date": "2011-09",
      "has_results": true,
      "last_update_posted_date": "2014-07-21",
      "last_synced_at": "2026-10-24T23:33:37.248Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00851552"
    },
    {
      "nct_id": "NCT01925131",
      "title": "S1312, Inotuzumab Ozogamicin and Combination Chemotherapy in Treating Patients With Relapsed or Refractory Acute Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acute Leukemias of Ambiguous Lineage",
        "B-cell Adult Acute Lymphoblastic Leukemia",
        "Philadelphia Chromosome Positive Adult Precursor Acute Lymphoblastic Leukemia",
        "Recurrent Adult Acute Lymphoblastic Leukemia",
        "Recurrent Adult Burkitt Lymphoma"
      ],
      "interventions": [
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "vincristine sulfate",
          "type": "DRUG"
        },
        {
          "name": "prednisone",
          "type": "DRUG"
        },
        {
          "name": "inotuzumab ozogamicin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "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": 50,
      "start_date": "2014-06-13",
      "completion_date": "2023-01-01",
      "has_results": true,
      "last_update_posted_date": "2023-05-03",
      "last_synced_at": "2026-10-24T23:33:37.248Z",
      "location_count": 5,
      "location_summary": "Duarte, California • Palo Alto, California • Rochester, New York + 2 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01925131"
    },
    {
      "nct_id": "NCT06584357",
      "title": "Development of a Database to Investigate Digital and Blood-Based Biomarkers and Their Relationship to Tau and Amyloid PET Imaging in Older Participants Who Are Cognitively Normal (CN), Have Mild Cognitive Impairment (MCI), or Have Mild-to-Moderate AD Dementia",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Mild Cognitive Impairment",
        "Alzheimer's Disease",
        "Alzheimer's Disease, Early Onset",
        "Memory Loss",
        "Memory Disorders",
        "Memory Impairment"
      ],
      "interventions": [
        {
          "name": "Biomarker Data Collection",
          "type": "OTHER"
        },
        {
          "name": "MK6240",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "GAP Innovations, PBC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "60 Years to 90 Years"
      },
      "enrollment_count": 1200,
      "start_date": "2024-09-26",
      "completion_date": "2028-07",
      "has_results": false,
      "last_update_posted_date": "2026-04-15",
      "last_synced_at": "2026-10-24T23:33:37.248Z",
      "location_count": 22,
      "location_summary": "Atlantis, Florida • Aventura, Florida • Clermont, Florida + 19 more",
      "locations": [
        {
          "city": "Atlantis",
          "state": "Florida"
        },
        {
          "city": "Aventura",
          "state": "Florida"
        },
        {
          "city": "Clermont",
          "state": "Florida"
        },
        {
          "city": "Delray Beach",
          "state": "Florida"
        },
        {
          "city": "Fort Myers",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06584357"
    }
  ]
}