{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+blood+draw&page=69",
    "query": {
      "intervention": "Biomarker blood draw",
      "page": 69
    },
    "page_size": 10
  },
  "pagination": {
    "page": 69,
    "page_size": 10,
    "total_count": 1746,
    "total_pages": 175,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+blood+draw&page=70&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+blood+draw&page=68&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-31T05:25:19.121Z",
  "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": "NCT01756690",
      "title": "Predicting Lung Injury From Transfusion in Patients With Liver Disease",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Transfusion-related Acute Lung Injury",
        "Chronic Liver Disease",
        "Gastrointestinal Bleeding"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Colorado, Denver",
      "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": 16,
      "start_date": "2011-10",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2017-01-30",
      "last_synced_at": "2026-10-31T05:25:19.121Z",
      "location_count": 2,
      "location_summary": "Aurora, Colorado • Denver, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01756690"
    },
    {
      "nct_id": "NCT00897117",
      "title": "Collecting and Analyzing Tissue Samples From Patients Undergoing Surgery for Non-Small Cell Lung Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "gene expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "microarray analysis",
          "type": "GENETIC"
        },
        {
          "name": "protein expression analysis",
          "type": "GENETIC"
        },
        {
          "name": "biologic sample preservation procedure",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "matrix-assisted laser desorption/ionization time of flight mass spectrometry",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER"
      ],
      "sponsor": "Vanderbilt-Ingram Cancer Center",
      "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": 4000,
      "start_date": "2001-05-01",
      "completion_date": "2031-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-10-31T05:25:19.121Z",
      "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/NCT00897117"
    },
    {
      "nct_id": "NCT00900068",
      "title": "Blood Samples From Patients on a Clinical Trial to CINV During HSCT",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Chronic Myeloproliferative Disorders",
        "Gestational Trophoblastic Tumor",
        "Leukemia",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Neoplasms",
        "Nausea and Vomiting",
        "Neuroblastoma",
        "Ovarian Cancer",
        "Testicular Germ Cell Tumor"
      ],
      "interventions": [
        {
          "name": "immunoenzyme technique",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "medical chart review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "OHSU Knight Cancer Institute",
      "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": 9,
      "start_date": "2008-08",
      "completion_date": "2009-10",
      "has_results": false,
      "last_update_posted_date": "2017-05-09",
      "last_synced_at": "2026-10-31T05:25:19.121Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00900068"
    },
    {
      "nct_id": "NCT06415994",
      "title": "Multimodal Fetal and Placental Imaging and Biomarkers of Clinical Outcomes in Opioid Use Disorder",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Opioid Use Disorder",
        "Substance-Related Disorders",
        "Pregnancy Related",
        "Narcotic-Related Disorders",
        "Buprenorphine Dependence",
        "Methadone Dependence"
      ],
      "interventions": [
        {
          "name": "Buprenorphine or Methadone Treatment",
          "type": "DRUG"
        },
        {
          "name": "Fetal and Placental MRI",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Child Developmental Assessment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Blood and Placental Samples",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Senthil Sadhasivam",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 100 Years · Female only"
      },
      "enrollment_count": 250,
      "start_date": "2024-02-13",
      "completion_date": "2029-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-14",
      "last_synced_at": "2026-10-31T05:25:19.121Z",
      "location_count": 2,
      "location_summary": "Indianapolis, Indiana • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06415994"
    },
    {
      "nct_id": "NCT01251575",
      "title": "Sirolimus, Cyclosporine, and Mycophenolate Mofetil in Preventing Graft-versus-Host Disease in Treating Patients With Blood Cancer Undergoing Donor Peripheral Blood Stem Cell Transplant",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Adult Acute Lymphoblastic Leukemia",
        "Adult Acute Myeloid Leukemia",
        "Adult Diffuse Large B-Cell Lymphoma",
        "Adult Myelodysplastic Syndrome",
        "Adult Non-Hodgkin Lymphoma",
        "Aggressive Non-Hodgkin Lymphoma",
        "Childhood Acute Lymphoblastic Leukemia",
        "Childhood Acute Myeloid Leukemia",
        "Childhood Diffuse Large B-Cell Lymphoma",
        "Childhood Myelodysplastic Syndrome",
        "Childhood Non-Hodgkin Lymphoma",
        "Chronic Lymphocytic Leukemia",
        "Chronic Lymphocytic Leukemia in Remission",
        "Chronic Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive",
        "Hematopoietic and Lymphoid Cell Neoplasm",
        "Mantle Cell Lymphoma",
        "Plasma Cell Myeloma",
        "Prolymphocytic Leukemia",
        "Recurrent Chronic Lymphocytic Leukemia",
        "Refractory Chronic Lymphocytic Leukemia",
        "T-Cell Prolymphocytic Leukemia",
        "Waldenstrom Macroglobulinemia",
        "Recurrent Diffuse Large B-Cell Lymphoma",
        "Recurrent Hodgkin Lymphoma"
      ],
      "interventions": [
        {
          "name": "Allogeneic Hematopoietic Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine Phosphate",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Mycophenolate Mofetil",
          "type": "DRUG"
        },
        {
          "name": "Peripheral Blood Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Sirolimus",
          "type": "DRUG"
        },
        {
          "name": "Total-Body Irradiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 77,
      "start_date": "2010-12-01",
      "completion_date": "2019-02-11",
      "has_results": true,
      "last_update_posted_date": "2019-12-09",
      "last_synced_at": "2026-10-31T05:25:19.121Z",
      "location_count": 4,
      "location_summary": "Denver, Colorado • Salt Lake City, Utah • Seattle, Washington",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01251575"
    },
    {
      "nct_id": "NCT03181256",
      "title": "Early Detection of Lung Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Biospecimen collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Pulmonary Function Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography (CT)",
          "type": "PROCEDURE"
        },
        {
          "name": "Laboratory Biomarker",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Vanderbilt-Ingram Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "55 Years to 80 Years"
      },
      "enrollment_count": 45,
      "start_date": "2017-12-14",
      "completion_date": "2026-11-09",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-10-31T05:25:19.121Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03181256"
    },
    {
      "nct_id": "NCT04107129",
      "title": "Predicting Endometrial Receptivity for Optimal Reproductive Management",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Infertility, Female",
        "Endometriosis"
      ],
      "interventions": [
        {
          "name": "Endometrial Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Euploid embryo transfer",
          "type": "OTHER"
        },
        {
          "name": "Blood sample",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "42 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 42 Years · Female only"
      },
      "enrollment_count": 76,
      "start_date": "2020-07-01",
      "completion_date": "2024-07-30",
      "has_results": false,
      "last_update_posted_date": "2024-08-14",
      "last_synced_at": "2026-10-31T05:25:19.121Z",
      "location_count": 1,
      "location_summary": "Sunnyvale, California",
      "locations": [
        {
          "city": "Sunnyvale",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04107129"
    },
    {
      "nct_id": "NCT02732795",
      "title": "Sleep Apnea and Obesity Affects on Morphine Pharmacokinetics",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pediatric Sleep Apnea",
        "Obesity",
        "Morphine Metabolism"
      ],
      "interventions": [
        {
          "name": "Morphine pharmacokinetic evaluation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "5 Years to 12 Years"
      },
      "enrollment_count": 43,
      "start_date": "2015-07",
      "completion_date": "2018-09-07",
      "has_results": false,
      "last_update_posted_date": "2019-09-09",
      "last_synced_at": "2026-10-31T05:25:19.121Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02732795"
    },
    {
      "nct_id": "NCT03521245",
      "title": "Molecular Pathway Activation Markers Predicting Efficacy of Trastuzumab Therapy for HER2-positive Breast Cancer",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HER2-positive Breast Cancer"
      ],
      "interventions": [
        {
          "name": "RNA sequencing",
          "type": "OTHER"
        },
        {
          "name": "Transcriptome analysis",
          "type": "OTHER"
        },
        {
          "name": "Trastuzumab",
          "type": "DRUG"
        },
        {
          "name": "Chemotherapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "OmicsWay Corp.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 80 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2017-10-01",
      "completion_date": "2022-05-01",
      "has_results": false,
      "last_update_posted_date": "2021-09-14",
      "last_synced_at": "2026-10-31T05:25:19.121Z",
      "location_count": 1,
      "location_summary": "Walnut, California",
      "locations": [
        {
          "city": "Walnut",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03521245"
    },
    {
      "nct_id": "NCT00776412",
      "title": "Blood Markers of Inflammation, Blood Clotting and Blood Vessel Function in HIV-infected Adults",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Inflammation",
        "Pathologic Processes"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 310,
      "start_date": "2008-11-20",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-10-16",
      "last_synced_at": "2026-10-31T05:25:19.121Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00776412"
    }
  ]
}