{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+biomarker&page=28",
    "query": {
      "intervention": "blood biomarker",
      "page": 28
    },
    "page_size": 10
  },
  "pagination": {
    "page": 28,
    "page_size": 10,
    "total_count": 1741,
    "total_pages": 175,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+biomarker&page=29&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+biomarker&page=27&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T10:47:12.380Z",
  "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": "NCT01062035",
      "title": "Study of a Screening Blood Test to Determine Patients' Potential Risk of Adenomatous or Advanced Colon Polyps (ACPs)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colonic Polyp"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "50 Years to 60 Years"
      },
      "enrollment_count": 72,
      "start_date": "2010-01",
      "completion_date": "2013-09",
      "has_results": false,
      "last_update_posted_date": "2014-06-26",
      "last_synced_at": "2026-10-17T10:47:12.380Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01062035"
    },
    {
      "nct_id": "NCT00402935",
      "title": "Ovarian Damage in Young Premenopausal Women Undergoing Chemotherapy for Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Leukemia",
        "Long-term Effects Secondary to Cancer Therapy in Adults",
        "Long-term Effects Secondary to Cancer Therapy in Children",
        "Lymphoma",
        "Sexual Dysfunction and Infertility",
        "Sexuality and Reproductive Issues",
        "Unspecified Adult Solid Tumor, Protocol Specific",
        "Unspecified Childhood Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "fertility assessment and management",
          "type": "PROCEDURE"
        },
        {
          "name": "management of therapy complications",
          "type": "PROCEDURE"
        },
        {
          "name": "ultrasound imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 35 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2004-02",
      "completion_date": "2007-05",
      "has_results": false,
      "last_update_posted_date": "2012-03-20",
      "last_synced_at": "2026-10-17T10:47:12.380Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00402935"
    },
    {
      "nct_id": "NCT02226276",
      "title": "Copper Cu 64-DOTA-Trastuzumab PET in Predicting Response to Treatment With Ado-Trastuzumab Emtansine in Patients With Metastatic HER2 Positive Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bone Metastases",
        "HER2-positive Breast Cancer",
        "Liver Metastases",
        "Lung Metastases",
        "Recurrent Breast Cancer",
        "Soft Tissue Metastases",
        "Stage IV Breast Cancer"
      ],
      "interventions": [
        {
          "name": "fludeoxyglucose F 18",
          "type": "RADIATION"
        },
        {
          "name": "positron emission tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "computed tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "trastuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "copper Cu 64-DOTA-trastuzumab",
          "type": "RADIATION"
        },
        {
          "name": "ado-trastuzumab emtansine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "PROCEDURE",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "City of Hope Medical 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": 10,
      "start_date": "2015-01-07",
      "completion_date": "2026-09-29",
      "has_results": true,
      "last_update_posted_date": "2026-02-13",
      "last_synced_at": "2026-10-17T10:47:12.380Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02226276"
    },
    {
      "nct_id": "NCT00084604",
      "title": "Irinotecan, Cisplatin, and Bevacizumab in Treating Patients With Unresectable or Metastatic Gastric or Gastroesophageal Junction Adenocarcinoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Adenocarcinoma of the Gastroesophageal Junction",
        "Diffuse Adenocarcinoma of the Stomach",
        "Intestinal Adenocarcinoma of the Stomach",
        "Mixed Adenocarcinoma of the Stomach",
        "Recurrent Gastric Cancer",
        "Stage IIIA Gastric Cancer",
        "Stage IIIB Gastric Cancer",
        "Stage IIIC Gastric Cancer",
        "Stage IV Gastric Cancer"
      ],
      "interventions": [
        {
          "name": "irinotecan hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "bevacizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "computed tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "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": 47,
      "start_date": "2004-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-06-04",
      "last_synced_at": "2026-10-17T10:47:12.380Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00084604"
    },
    {
      "nct_id": "NCT03101748",
      "title": "Neratinib and Paclitaxel With or Without Pertuzumab and Trastuzumab Before Combination Chemotherapy in Treating Patients With Metastatic or Locally Advanced Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Breast Inflammatory Carcinoma",
        "Locally Advanced Breast Carcinoma",
        "Metastatic Breast Carcinoma",
        "Stage III Breast Cancer AJCC v7",
        "Stage IIIA Breast Cancer AJCC v7",
        "Stage IIIB Breast Cancer AJCC v7",
        "Stage IIIC Breast Cancer AJCC v7",
        "Stage IV Breast Cancer AJCC v6 and v7"
      ],
      "interventions": [
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Neratinib",
          "type": "DRUG"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Pertuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Trastuzumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "BIOLOGICAL"
      ],
      "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": 34,
      "start_date": "2018-02-19",
      "completion_date": "2025-05-13",
      "has_results": true,
      "last_update_posted_date": "2026-02-12",
      "last_synced_at": "2026-10-17T10:47:12.380Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03101748"
    },
    {
      "nct_id": "NCT00096148",
      "title": "Idarubicin and Cytarabine With or Without Bevacizumab in Treating Patients With Newly Diagnosed Acute Myeloid Leukemia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Adult Acute Basophilic Leukemia",
        "Adult Acute Eosinophilic Leukemia",
        "Adult Acute Megakaryoblastic Leukemia (M7)",
        "Adult Acute Minimally Differentiated Myeloid Leukemia (M0)",
        "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 With 11q23 (MLL) Abnormalities",
        "Adult Acute Myelomonocytic Leukemia (M4)",
        "Adult Erythroleukemia (M6a)",
        "Adult Pure Erythroid Leukemia (M6b)",
        "Childhood Acute Basophilic Leukemia",
        "Childhood Acute Eosinophilic Leukemia",
        "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 Myelomonocytic Leukemia (M4)",
        "Secondary Acute Myeloid Leukemia",
        "Untreated Adult Acute Myeloid Leukemia",
        "Untreated Childhood Acute Myeloid Leukemia and Other Myeloid Malignancies"
      ],
      "interventions": [
        {
          "name": "idarubicin",
          "type": "DRUG"
        },
        {
          "name": "cytarabine",
          "type": "DRUG"
        },
        {
          "name": "bevacizumab",
          "type": "BIOLOGICAL"
        },
        {
          "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": null,
        "maximum_age": "59 Years",
        "sex": "ALL",
        "summary": "Up to 59 Years"
      },
      "enrollment_count": 120,
      "start_date": "2004-10",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-01-24",
      "last_synced_at": "2026-10-17T10:47:12.380Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00096148"
    },
    {
      "nct_id": "NCT00366886",
      "title": "Patients With NMDA Biomarker Data Following Cardiac Surgery",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Disorders"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Children's Healthcare of Atlanta",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "Up to 18 Years"
      },
      "enrollment_count": 22,
      "start_date": null,
      "completion_date": "2006-07",
      "has_results": false,
      "last_update_posted_date": "2007-06-13",
      "last_synced_at": "2026-10-17T10:47:12.380Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00366886"
    },
    {
      "nct_id": "NCT04362839",
      "title": "Regorafenib, Ipilimumab and Nivolumab for the Treatment of Chemotherapy Resistant Microsatellite Stable Metastatic Colorectal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Advanced Colon Adenocarcinoma",
        "Metastatic Colon Adenocarcinoma",
        "Metastatic Colorectal Adenocarcinoma",
        "Metastatic Colorectal Carcinoma",
        "Metastatic Rectal Adenocarcinoma",
        "Stage III Colon Cancer AJCC v8",
        "Stage III Rectal Cancer AJCC v8",
        "Stage IIIA Colon Cancer AJCC v8",
        "Stage IIIA Rectal Cancer AJCC v8",
        "Stage IIIB Colon Cancer AJCC v8",
        "Stage IIIB Rectal Cancer AJCC v8",
        "Stage IIIC Colon Cancer AJCC v8",
        "Stage IIIC Rectal Cancer AJCC v8",
        "Stage IV Colon Cancer AJCC v8",
        "Stage IV Colorectal Cancer AJCC v8",
        "Stage IV Rectal Cancer AJCC v8",
        "Stage IVA Colon Cancer AJCC v8",
        "Stage IVA Colorectal Cancer AJCC v8",
        "Stage IVA Rectal Cancer AJCC v8",
        "Stage IVB Colon Cancer AJCC v8",
        "Stage IVB Colorectal Cancer AJCC v8",
        "Stage IVB Rectal Cancer AJCC v8",
        "Stage IVC Colon Cancer AJCC v8",
        "Stage IVC Colorectal Cancer AJCC v8",
        "Stage IVC Rectal Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Regorafenib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "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": 39,
      "start_date": "2020-05-27",
      "completion_date": "2025-12-11",
      "has_results": false,
      "last_update_posted_date": "2026-01-28",
      "last_synced_at": "2026-10-17T10:47:12.380Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04362839"
    },
    {
      "nct_id": "NCT03070002",
      "title": "Denosumab in Treating Patients With ER and/or PR Positive, HER2 Negative Metastatic Breast Cancer With Bone Metastases and Detectable Circulating Tumor Cells",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Carcinoma Metastatic in the Bone",
        "Circulating Tumor Cell Count",
        "Estrogen Receptor Positive",
        "HER2/Neu Negative",
        "Progesterone Receptor Positive",
        "Stage IV Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Denosumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2017-10-19",
      "completion_date": "2018-04-24",
      "has_results": true,
      "last_update_posted_date": "2018-11-20",
      "last_synced_at": "2026-10-17T10:47:12.380Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Lake Forest, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Lake Forest",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03070002"
    },
    {
      "nct_id": "NCT04239573",
      "title": "Comparing the Clinical Impact of Pancreatic Cyst Surveillance Programs and Associated Biomarkers",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreatic Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Endoscopic Ultrasound",
          "type": "PROCEDURE"
        },
        {
          "name": "Endoscopic Ultrasound-Guided Fine-Needle Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Surgical Procedure",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "ECOG-ACRIN Cancer Research Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 770,
      "start_date": "2020-06-16",
      "completion_date": "2034-11-11",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-10-17T10:47:12.380Z",
      "location_count": 413,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 294 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04239573"
    }
  ]
}