{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+blood+draw&page=3",
    "query": {
      "intervention": "Biomarker blood draw",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 1738,
    "total_pages": 174,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+blood+draw&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+blood+draw&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-03T20:45:40.417Z",
  "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": "NCT06578195",
      "title": "ASSESS ALL ALS Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Amyotrophic Lateral Sclerosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "St. Joseph's Hospital and Medical Center, Phoenix",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2000,
      "start_date": "2024-07-25",
      "completion_date": "2029-07-25",
      "has_results": false,
      "last_update_posted_date": "2026-08-24",
      "last_synced_at": "2026-10-03T20:45:40.417Z",
      "location_count": 36,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Irvine, California + 31 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06578195"
    },
    {
      "nct_id": "NCT02331212",
      "title": "Role of Hyaluronic Acid in Causing Cancer Stem Cell Growth in the Bones of Patients With Breast Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Carcinoma Metastatic to the Bone",
        "Stage IV Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "20 Years to 60 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2015-03",
      "completion_date": "2017-06",
      "has_results": false,
      "last_update_posted_date": "2018-07-02",
      "last_synced_at": "2026-10-03T20:45:40.417Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02331212"
    },
    {
      "nct_id": "NCT00060372",
      "title": "Ipilimumab After Allogeneic Stem Cell Transplant in Treating Patients With Persistent or Progressive Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Adult Acute Myeloid Leukemia With 11q23 (MLL) Abnormalities",
        "Adult Acute Myeloid Leukemia With Inv(16)(p13;q22)",
        "Adult Acute Myeloid Leukemia With t(15;17)(q22;q12)",
        "Adult Acute Myeloid Leukemia With t(16;16)(p13;q22)",
        "Adult Acute Myeloid Leukemia With t(8;21)(q22;q22)",
        "Atypical Chronic Myeloid Leukemia, BCR-ABL1 Negative",
        "Childhood Myelodysplastic Syndromes",
        "Chronic Myelogenous Leukemia, BCR-ABL1 Positive",
        "Disseminated Neuroblastoma",
        "Malignant Neoplasm",
        "Ovarian Choriocarcinoma",
        "Ovarian Embryonal Carcinoma",
        "Ovarian Immature Teratoma",
        "Ovarian Mature Teratoma",
        "Ovarian Mixed Germ Cell Tumor",
        "Ovarian Monodermal and Highly Specialized Teratoma",
        "Ovarian Polyembryoma",
        "Ovarian Yolk Sac Tumor",
        "Previously Treated Myelodysplastic Syndromes",
        "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 Hodgkin Lymphoma",
        "Recurrent Adult Immunoblastic Large Cell Lymphoma",
        "Recurrent Adult Lymphoblastic Lymphoma",
        "Recurrent Grade 3 Follicular Lymphoma",
        "Recurrent Malignant Testicular Germ Cell Tumor",
        "Recurrent Mantle Cell Lymphoma",
        "Recurrent Neuroblastoma",
        "Recurrent Ovarian Epithelial Cancer",
        "Recurrent Ovarian Germ Cell Tumor",
        "Refractory Chronic Lymphocytic Leukemia",
        "Refractory Multiple Myeloma",
        "Relapsing Chronic Myelogenous Leukemia",
        "Stage I Multiple Myeloma",
        "Stage II Multiple Myeloma",
        "Stage II Ovarian Epithelial Cancer",
        "Stage III Malignant Testicular Germ Cell Tumor",
        "Stage III Multiple Myeloma",
        "Stage III Ovarian Epithelial Cancer",
        "Stage IIIA Breast Cancer",
        "Stage IIIB Breast Cancer",
        "Stage IIIC Breast Cancer",
        "Stage IV Breast Cancer",
        "Stage IV Ovarian Epithelial Cancer",
        "Testicular Choriocarcinoma",
        "Testicular Choriocarcinoma and Embryonal Carcinoma",
        "Testicular Choriocarcinoma and Seminoma",
        "Testicular Choriocarcinoma and Teratoma",
        "Testicular Choriocarcinoma and Yolk Sac Tumor",
        "Testicular Embryonal Carcinoma",
        "Testicular Embryonal Carcinoma and Seminoma",
        "Testicular Embryonal Carcinoma and Teratoma",
        "Testicular Embryonal Carcinoma and Teratoma With Seminoma",
        "Testicular Embryonal Carcinoma and Yolk Sac Tumor",
        "Testicular Embryonal Carcinoma and Yolk Sac Tumor With Seminoma",
        "Testicular Teratoma",
        "Testicular Yolk Sac Tumor",
        "Testicular Yolk Sac Tumor and Teratoma",
        "Testicular Yolk Sac Tumor and Teratoma With Seminoma"
      ],
      "interventions": [
        {
          "name": "ipilimumab",
          "type": "DRUG"
        },
        {
          "name": "therapeutic allogeneic lymphocytes",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 21,
      "start_date": "2003-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-03-27",
      "last_synced_at": "2026-10-03T20:45:40.417Z",
      "location_count": 5,
      "location_summary": "La Jolla, California • Atlanta, Georgia • Boston, Massachusetts",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00060372"
    },
    {
      "nct_id": "NCT01539395",
      "title": "A Cross-Sectional Study of MSDx Complex 1 as a Marker for Active Disease in Multiple Sclerosis",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "MSDx Complex-1 Biomarker Test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "MSDx, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2012-01",
      "completion_date": "2012-07",
      "has_results": false,
      "last_update_posted_date": "2020-09-02",
      "last_synced_at": "2026-10-03T20:45:40.417Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01539395"
    },
    {
      "nct_id": "NCT03393741",
      "title": "Pharmacodynamic Biomarkers of Standard Anti-microtubule Drugs as Assessed by Early Tumor Biopsy",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Breast Neoplasms"
      ],
      "interventions": [
        {
          "name": "Taxane",
          "type": "DRUG"
        },
        {
          "name": "Vinorelbine",
          "type": "DRUG"
        },
        {
          "name": "Ixabepilone",
          "type": "DRUG"
        },
        {
          "name": "Eribulin",
          "type": "DRUG"
        },
        {
          "name": "Chemotherapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "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": "2018-01-29",
      "completion_date": "2024-02-11",
      "has_results": false,
      "last_update_posted_date": "2024-06-25",
      "last_synced_at": "2026-10-03T20:45:40.417Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03393741"
    },
    {
      "nct_id": "NCT03464396",
      "title": "Prematurity-Related Ventilatory Control",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Respiratory Control in Premature Infants"
      ],
      "interventions": [
        {
          "name": "Bedside Physiology study",
          "type": "OTHER"
        },
        {
          "name": "Carotid Body Function Test",
          "type": "OTHER"
        },
        {
          "name": "Room Air Challenge",
          "type": "OTHER"
        },
        {
          "name": "Hypoxia Challenge Test",
          "type": "OTHER"
        },
        {
          "name": "Effects of Nasal Cannula Flow",
          "type": "OTHER"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Echocardiogram",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood Sample",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "28 Days",
        "sex": "ALL",
        "summary": "1 Day to 28 Days"
      },
      "enrollment_count": 177,
      "start_date": "2018-05-14",
      "completion_date": "2022-03-09",
      "has_results": false,
      "last_update_posted_date": "2023-01-31",
      "last_synced_at": "2026-10-03T20:45:40.417Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03464396"
    },
    {
      "nct_id": "NCT00376727",
      "title": "Cetuximab in Treating Patients With Advanced Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "cetuximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "molecular diagnostic method",
          "type": "GENETIC"
        },
        {
          "name": "immunologic technique",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "GENETIC",
        "OTHER"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 27,
      "start_date": "2004-12",
      "completion_date": "2007-12",
      "has_results": false,
      "last_update_posted_date": "2010-03-29",
      "last_synced_at": "2026-10-03T20:45:40.417Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00376727"
    },
    {
      "nct_id": "NCT03472586",
      "title": "Ipilimumab and Nivolumab With Immunoembolization in Treating Participants With Metastatic Uveal Melanoma in the Liver",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Malignant Neoplasm in the Liver",
        "Metastatic Uveal Melanoma",
        "Stage IV Uveal Melanoma AJCC v7"
      ],
      "interventions": [
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Embolization Therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2018-05-02",
      "completion_date": "2024-12-31",
      "has_results": true,
      "last_update_posted_date": "2026-07-07",
      "last_synced_at": "2026-10-03T20:45:40.417Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03472586"
    },
    {
      "nct_id": "NCT02928510",
      "title": "Mechanisms of Idelalisib-Associated Diarrhea in Patients With Relapsed Chronic Lymphocytic Leukemia, Indolent Non-hodgkin Lymphoma, or Small Lymphocytic Lymphoma",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Absence of Signs or Symptoms",
        "B-Cell Non-Hodgkin Lymphoma",
        "Digestive System Signs and Symptoms",
        "Indolent Adult Non-Hodgkin Lymphoma",
        "Recurrent B-Cell Non-Hodgkin Lymphoma",
        "Recurrent Chronic Lymphocytic Leukemia",
        "Recurrent Indolent Adult Non-Hodgkin Lymphoma",
        "Recurrent Small Lymphocytic Lymphoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Colonoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Colposcopic Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Idelalisib",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        },
        {
          "name": "Physical Examination",
          "type": "PROCEDURE"
        },
        {
          "name": "Sigmoidoscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Jonsson 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": 1,
      "start_date": "2016-02-01",
      "completion_date": "2018-06-05",
      "has_results": false,
      "last_update_posted_date": "2021-07-14",
      "last_synced_at": "2026-10-03T20:45:40.417Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02928510"
    },
    {
      "nct_id": "NCT02152943",
      "title": "Everolimus, Letrozole and Trastuzumab in HR- and HER2/Neu-positive Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Advanced Malignant Solid Neoplasm",
        "Estrogen Receptor Positive",
        "HER2/Neu Positive",
        "Postmenopausal",
        "Premenopausal",
        "Progesterone Receptor Positive",
        "Recurrent Breast Carcinoma",
        "Refractory Breast Carcinoma",
        "Refractory Hormone Receptor Positive Breast Carcinoma",
        "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": "Everolimus",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Letrozole",
          "type": "DRUG"
        },
        {
          "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": 37,
      "start_date": "2014-07-17",
      "completion_date": "2020-12-14",
      "has_results": false,
      "last_update_posted_date": "2020-12-19",
      "last_synced_at": "2026-10-03T20:45:40.417Z",
      "location_count": 5,
      "location_summary": "Houston, Texas • Nassau Bay, Texas • Sugar Land, Texas + 1 more",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Nassau Bay",
          "state": "Texas"
        },
        {
          "city": "Sugar Land",
          "state": "Texas"
        },
        {
          "city": "The Woodlands",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02152943"
    }
  ]
}