{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+Samples+for+Biomarkers",
    "query": {
      "intervention": "Blood Samples for Biomarkers"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 1286,
    "total_pages": 129,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blood+Samples+for+Biomarkers&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-16T22:27:08.025Z",
  "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": "NCT02726997",
      "title": "Matched Paired Pharmacodynamics and Feasibility Study of Durvalumab in Combination With Chemotherapy in Frontline Ovarian Cancer (N-Dur)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Stage III Fallopian Tube Cancer AJCC v7",
        "Stage III Ovarian Cancer AJCC v6 and v7",
        "Stage III Primary Peritoneal Cancer AJCC v7",
        "Stage IIIA Fallopian Tube Cancer AJCC v7",
        "Stage IIIA Ovarian Cancer AJCC v6 and v7",
        "Stage IIIA Primary Peritoneal Cancer AJCC v7",
        "Stage IIIB Fallopian Tube Cancer AJCC v7",
        "Stage IIIB Ovarian Cancer AJCC v6 and v7",
        "Stage IIIB Primary Peritoneal Cancer AJCC v7",
        "Stage IIIC Fallopian Tube Cancer AJCC v7",
        "Stage IIIC Ovarian Cancer AJCC v6 and v7",
        "Stage IIIC Primary Peritoneal Cancer AJCC v7",
        "Stage IV Fallopian Tube Cancer AJCC v6 and v7",
        "Stage IV Ovarian Cancer AJCC v6 and v7",
        "Stage IV Primary Peritoneal Cancer AJCC v7"
      ],
      "interventions": [
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Durvalumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "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": 18,
      "start_date": "2016-07-06",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-09-16T22:27:08.025Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02726997"
    },
    {
      "nct_id": "NCT00336024",
      "title": "Combination Chemotherapy Followed By Peripheral Stem Cell Transplant in Treating Young Patients With Newly Diagnosed Supratentorial Primitive Neuroectodermal Tumors or High-Risk Medulloblastoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anaplastic Medulloblastoma",
        "Medulloblastoma",
        "Supratentorial Embryonal Tumor, Not Otherwise Specified",
        "Untreated Childhood Supratentorial Primitive Neuroectodermal Tumor"
      ],
      "interventions": [
        {
          "name": "Autologous Hematopoietic Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Leucovorin Calcium",
          "type": "DRUG"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Thiotepa",
          "type": "DRUG"
        },
        {
          "name": "Vincristine Sulfate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "2 Years",
        "sex": "ALL",
        "summary": "Up to 2 Years"
      },
      "enrollment_count": 91,
      "start_date": "2007-10-22",
      "completion_date": "2025-09-30",
      "has_results": true,
      "last_update_posted_date": "2026-01-23",
      "last_synced_at": "2026-09-16T22:27:08.025Z",
      "location_count": 129,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 100 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00336024"
    },
    {
      "nct_id": "NCT00048971",
      "title": "Genetic Trial to Study Diarrhea in Patients With Stage III Colon Cancer Who Are Receiving Chemotherapy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colorectal Cancer",
        "Diarrhea",
        "Neutropenia"
      ],
      "interventions": [
        {
          "name": "mutation analysis",
          "type": "GENETIC"
        },
        {
          "name": "polymorphic microsatellite marker analysis",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 308,
      "start_date": "2002-04",
      "completion_date": "2006-11",
      "has_results": false,
      "last_update_posted_date": "2016-07-06",
      "last_synced_at": "2026-09-16T22:27:08.025Z",
      "location_count": 82,
      "location_summary": "Anniston, Alabama • La Jolla, California • Los Angeles, California + 58 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00048971"
    },
    {
      "nct_id": "NCT01851733",
      "title": "MRI-Guided Laser Surgery and Doxorubicin Hydrochloride in Treating Patients With Recurrent Glioblastoma Multiforme",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Glioblastoma"
      ],
      "interventions": [
        {
          "name": "MRI-guided Laser Heat Ablation (MLA)",
          "type": "DEVICE"
        },
        {
          "name": "Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Blood draw - dendritic cells",
          "type": "OTHER"
        },
        {
          "name": "Dynamic Susceptibility Contrast Magnetic Resonance Imaging",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG",
        "OTHER"
      ],
      "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": 37,
      "start_date": "2013-08-13",
      "completion_date": "2018-05-30",
      "has_results": false,
      "last_update_posted_date": "2021-08-27",
      "last_synced_at": "2026-09-16T22:27:08.025Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01851733"
    },
    {
      "nct_id": "NCT05852925",
      "title": "Evaluation of Tasso+ Blood Self-Collection for Clinical Diagnostic Assessment of Various Biomarkers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Blood Self-Collection for Clinical Diagnostic Assessments"
      ],
      "interventions": [
        {
          "name": "Traditional Venipuncture",
          "type": "OTHER"
        },
        {
          "name": "Tasso+",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "American Research Labs",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 2500,
      "start_date": "2023-07-25",
      "completion_date": "2026-07",
      "has_results": false,
      "last_update_posted_date": "2025-08-29",
      "last_synced_at": "2026-09-16T22:27:08.025Z",
      "location_count": 1,
      "location_summary": "Atlantis, Florida",
      "locations": [
        {
          "city": "Atlantis",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05852925"
    },
    {
      "nct_id": "NCT01820117",
      "title": "Brain Integrity in Survivors of Hodgkin Lymphoma Treated With Thoracic Radiation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hodgkin Lymphoma"
      ],
      "interventions": [
        {
          "name": "Neurocognitive Evaluation",
          "type": "OTHER"
        },
        {
          "name": "Quantitative Brain Imaging",
          "type": "OTHER"
        },
        {
          "name": "Neurologic Evaluation",
          "type": "OTHER"
        },
        {
          "name": "Health Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Vascular Testing",
          "type": "OTHER"
        },
        {
          "name": "Cardiopulmonary Exercise Testing",
          "type": "OTHER"
        },
        {
          "name": "Echocardiography",
          "type": "OTHER"
        },
        {
          "name": "Pulmonary Function Testing",
          "type": "OTHER"
        },
        {
          "name": "Serum Biomarkers",
          "type": "PROCEDURE"
        },
        {
          "name": "Ophthalmology Examination",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 416,
      "start_date": "2013-04-26",
      "completion_date": "2018-02-20",
      "has_results": false,
      "last_update_posted_date": "2018-03-01",
      "last_synced_at": "2026-09-16T22:27:08.025Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01820117"
    },
    {
      "nct_id": "NCT01706432",
      "title": "Hypofractionated Image Guided Radiation Therapy in Treating Patients With Stage IV Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Central Nervous System Metastases",
        "Invasive Ductal Breast Carcinoma",
        "Invasive Ductal Breast Carcinoma With Predominant Intraductal Component",
        "Invasive Lobular Breast Carcinoma",
        "Invasive Lobular Breast Carcinoma With Predominant in Situ Component",
        "Liver Metastases",
        "Lobular Breast Carcinoma in Situ",
        "Lung Metastases",
        "Male Breast Cancer",
        "Medullary Ductal Breast Carcinoma With Lymphocytic Infiltrate",
        "Mucinous Ductal Breast Carcinoma",
        "Papillary Ductal Breast Carcinoma",
        "Recurrent Breast Cancer",
        "Stage IV Breast Cancer",
        "Tubular Ductal Breast Carcinoma",
        "Tumors Metastatic to Brain"
      ],
      "interventions": [
        {
          "name": "hyperfractionated radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "stereotactic radiosurgery",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2009-06-15",
      "completion_date": "2024-01-22",
      "has_results": false,
      "last_update_posted_date": "2024-07-31",
      "last_synced_at": "2026-09-16T22:27:08.025Z",
      "location_count": 1,
      "location_summary": "North Chicago, Illinois",
      "locations": [
        {
          "city": "North Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01706432"
    },
    {
      "nct_id": "NCT01922921",
      "title": "Vaccine Therapy With or Without Polysaccharide-K in Patients With Stage IV HER2 Positive Breast Cancer Receiving HER2-Targeted Monoclonal Antibody Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "HER2/Neu Positive",
        "Recurrent Breast Carcinoma",
        "Stage IV Breast Cancer"
      ],
      "interventions": [
        {
          "name": "HER-2/neu Intracellular Domain Protein",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Pertuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Polysaccharide-K",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Trastuzumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2014-02-05",
      "completion_date": "2021-09-01",
      "has_results": true,
      "last_update_posted_date": "2023-04-18",
      "last_synced_at": "2026-09-16T22:27:08.025Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01922921"
    },
    {
      "nct_id": "NCT00720304",
      "title": "Erlotinib, Docetaxel, and Radiation Therapy in Stage III or Stage IV Squamous Cell Carcinoma of the Head and Neck",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "docetaxel",
          "type": "DRUG"
        },
        {
          "name": "erlotinib hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "fluorescence in situ hybridization",
          "type": "GENETIC"
        },
        {
          "name": "polymerase chain reaction",
          "type": "GENETIC"
        },
        {
          "name": "immunoenzyme technique",
          "type": "OTHER"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        },
        {
          "name": "therapeutic conventional surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "intensity-modulated radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "GENETIC",
        "OTHER",
        "PROCEDURE",
        "RADIATION"
      ],
      "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": 43,
      "start_date": "2007-11-19",
      "completion_date": "2015-11-13",
      "has_results": true,
      "last_update_posted_date": "2024-08-22",
      "last_synced_at": "2026-09-16T22:27:08.025Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00720304"
    },
    {
      "nct_id": "NCT02130271",
      "title": "PET/MRI Imaging of Neuraxial Inflammation in Sciatica Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sciatica"
      ],
      "interventions": [
        {
          "name": "Radioactive dye",
          "type": "DRUG"
        },
        {
          "name": "PET/MRI",
          "type": "RADIATION"
        },
        {
          "name": "Blood draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 42,
      "start_date": "2014-04",
      "completion_date": "2018-12",
      "has_results": false,
      "last_update_posted_date": "2019-09-16",
      "last_synced_at": "2026-09-16T22:27:08.025Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02130271"
    }
  ]
}