{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+blood+draw&page=8",
    "query": {
      "intervention": "Biomarker blood draw",
      "page": 8
    },
    "page_size": 10
  },
  "pagination": {
    "page": 8,
    "page_size": 10,
    "total_count": 1741,
    "total_pages": 175,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+blood+draw&page=9&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+blood+draw&page=7&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T23:10:30.418Z",
  "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": "NCT02302885",
      "title": "Healthy Human Control Blood Collection for Validation of Biomarker Assay",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Blood collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 43,
      "start_date": "2014-11",
      "completion_date": "2019-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-01-29",
      "last_synced_at": "2026-10-10T23:10:30.418Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02302885"
    },
    {
      "nct_id": "NCT03775447",
      "title": "Fox BioNet Project: ECV-003",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Lumbar Puncture",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Michael J. Fox Foundation for Parkinson's Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 38,
      "start_date": "2019-04-23",
      "completion_date": "2019-12-18",
      "has_results": false,
      "last_update_posted_date": "2021-09-08",
      "last_synced_at": "2026-10-10T23:10:30.418Z",
      "location_count": 3,
      "location_summary": "Chicago, Illinois • Portland, Oregon • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03775447"
    },
    {
      "nct_id": "NCT02978118",
      "title": "Exploring Relevant Immune-based Biomarkers and Circulating Tumor Cells During Treatment With Immunotherapy in Genitourinary Malignancies (CTC Immune Based Biomarkers)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Carcinoma, Renal Cell",
        "Carcinoma, Urothelial"
      ],
      "interventions": [
        {
          "name": "Immune cell and CTC detection procedures",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 67,
      "start_date": "2017-03-07",
      "completion_date": "2028-10",
      "has_results": false,
      "last_update_posted_date": "2026-09-03",
      "last_synced_at": "2026-10-10T23:10:30.418Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02978118"
    },
    {
      "nct_id": "NCT06998342",
      "title": "MOHs Surgery and Short-Course Radiation Therapy With Structured Follow-Up for Head & Neck Squamous Cell Skin Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cutaneous Squamous Cell Carcinoma (CSCC)"
      ],
      "interventions": [
        {
          "name": "Short course radiation",
          "type": "RADIATION"
        },
        {
          "name": "Active Surveillance",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "University of Vermont 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": 24,
      "start_date": "2025-06-04",
      "completion_date": "2031-05",
      "has_results": false,
      "last_update_posted_date": "2026-05-26",
      "last_synced_at": "2026-10-10T23:10:30.418Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06998342"
    },
    {
      "nct_id": "NCT01988285",
      "title": "Risk Factors and Biomarkers for Diagnosis and Treatment of EoE",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Eosinophilic Esophagitis"
      ],
      "interventions": [
        {
          "name": "Specimen Collection",
          "type": "OTHER"
        },
        {
          "name": "Questionnaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 800,
      "start_date": "2011-07-28",
      "completion_date": "2024-07-17",
      "has_results": false,
      "last_update_posted_date": "2026-06-26",
      "last_synced_at": "2026-10-10T23:10:30.418Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01988285"
    },
    {
      "nct_id": "NCT01685840",
      "title": "Guiding Evidence Based Therapy Using Biomarker Intensified Treatment",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Usual Care",
          "type": "OTHER"
        },
        {
          "name": "Biomarker-guided care NT-proBNP",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "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": 894,
      "start_date": "2012-12",
      "completion_date": "2016-09-20",
      "has_results": true,
      "last_update_posted_date": "2017-12-12",
      "last_synced_at": "2026-10-10T23:10:30.418Z",
      "location_count": 40,
      "location_summary": "Huntsville, Alabama • Sacramento, California • San Diego, California + 33 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Coral Springs",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01685840"
    },
    {
      "nct_id": "NCT01008462",
      "title": "Autologous Peripheral Blood Stem Cell Transplant Followed by Donor Bone Marrow Transplant in Treating Patients With High-Risk Hodgkin Lymphoma, Non-Hodgkin Lymphoma, Multiple Myeloma, or Chronic Lymphocytic Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "B-Cell Prolymphocytic Leukemia",
        "Hypodiploidy",
        "Loss of Chromosome 17p",
        "Plasma Cell Leukemia",
        "Progression of Multiple Myeloma or Plasma Cell Leukemia",
        "Recurrent Adult Hodgkin Lymphoma",
        "Recurrent Adult Non-Hodgkin Lymphoma",
        "Recurrent Childhood Hodgkin Lymphoma",
        "Recurrent Childhood Non-Hodgkin Lymphoma",
        "Recurrent Chronic Lymphocytic Leukemia",
        "Recurrent Plasma Cell Myeloma",
        "Recurrent Small Lymphocytic Lymphoma",
        "Refractory Childhood Hodgkin Lymphoma",
        "Refractory Chronic Lymphocytic Leukemia",
        "Refractory Non-Hodgkin Lymphoma",
        "Refractory Plasma Cell Myeloma",
        "Refractory Small Lymphocytic Lymphoma",
        "t(14;16)",
        "t(4;14)",
        "T-Cell Prolymphocytic Leukemia",
        "Waldenstrom Macroglobulinemia"
      ],
      "interventions": [
        {
          "name": "Allogeneic Bone Marrow Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Allogeneic Hematopoietic Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Autologous Hematopoietic Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Autologous-Allogeneic Tandem Hematopoietic Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Carmustine",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Cytarabine",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine Phosphate",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Melphalan",
          "type": "DRUG"
        },
        {
          "name": "Mycophenolate Mofetil",
          "type": "DRUG"
        },
        {
          "name": "Peripheral Blood Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Tacrolimus",
          "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": "75 Years",
        "sex": "ALL",
        "summary": "Up to 75 Years"
      },
      "enrollment_count": 16,
      "start_date": "2010-03-18",
      "completion_date": "2018-06-30",
      "has_results": true,
      "last_update_posted_date": "2019-06-11",
      "last_synced_at": "2026-10-10T23:10:30.418Z",
      "location_count": 2,
      "location_summary": "Seattle, Washington • Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01008462"
    },
    {
      "nct_id": "NCT05311046",
      "title": "Biomarker-enhanced Artificial Intelligence Based Pediatric Sepsis Screening Tool",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sepsis"
      ],
      "interventions": [
        {
          "name": "Pediatric sepsis screening tool (either algorithmic or manual)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Computer Technology Associates, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Months",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "3 Months to 45 Years"
      },
      "enrollment_count": 12961,
      "start_date": "2026-04-01",
      "completion_date": "2029-03-31",
      "has_results": false,
      "last_update_posted_date": "2025-09-08",
      "last_synced_at": "2026-10-10T23:10:30.418Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05311046"
    },
    {
      "nct_id": "NCT03180268",
      "title": "Observation or Radiation Therapy in Treating Patients With Newly Diagnosed Grade II Meningioma That Has Been Completely Removed by Surgery",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Grade 2 Meningioma",
        "Intracranial Meningioma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Clinical Observation",
          "type": "OTHER"
        },
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Proton Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "NRG Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 162,
      "start_date": "2017-09-12",
      "completion_date": "2032-06-15",
      "has_results": false,
      "last_update_posted_date": "2026-10-02",
      "last_synced_at": "2026-10-10T23:10:30.418Z",
      "location_count": 198,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 162 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03180268"
    },
    {
      "nct_id": "NCT05531591",
      "title": "RCT of Brain Longitudinal Biomarker Study (OPT-Neuro RCT)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Depression",
        "Dementia",
        "Mild Cognitive Impairment",
        "Treatment Resistant Depression",
        "Major Depressive Disorder",
        "Treatment-Refractory Depression",
        "Late Life Depression",
        "Geriatric Depression"
      ],
      "interventions": [
        {
          "name": "Aripiprazole Augmentation",
          "type": "DRUG"
        },
        {
          "name": "Bupropion Augmentation",
          "type": "DRUG"
        },
        {
          "name": "Switch to bupropion",
          "type": "DRUG"
        },
        {
          "name": "Lithium Augmentation",
          "type": "DRUG"
        },
        {
          "name": "Switch to nortriptyline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Centre for Addiction and Mental Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 87,
      "start_date": "2019-08-01",
      "completion_date": "2024-07-31",
      "has_results": false,
      "last_update_posted_date": "2024-11-25",
      "last_synced_at": "2026-10-10T23:10:30.418Z",
      "location_count": 3,
      "location_summary": "Los Angeles, California • St Louis, Missouri • New York, New York",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05531591"
    }
  ]
}