{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Blood+Biomarkers&page=6",
    "query": {
      "condition": "Blood Biomarkers",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "page_size": 10,
    "total_count": 303,
    "total_pages": 31,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Blood+Biomarkers&page=7&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Blood+Biomarkers&page=5&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T00:10:20.531Z",
  "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": "NCT04216888",
      "title": "Biomarkers of Response to Ketamine in Depression: MRI and Blood Assays Before and After Open Label Intranasal Ketamine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Depressive Disorder, Treatment-Resistant"
      ],
      "interventions": [
        {
          "name": "Ketamine Hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dan Iosifescu",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 9,
      "start_date": "2019-06-26",
      "completion_date": "2020-12-28",
      "has_results": false,
      "last_update_posted_date": "2021-01-22",
      "last_synced_at": "2026-10-10T00:10:20.531Z",
      "location_count": 1,
      "location_summary": "Orangeburg, New York",
      "locations": [
        {
          "city": "Orangeburg",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04216888"
    },
    {
      "nct_id": "NCT05087888",
      "title": "MRI and Blood Biomarkers for the Prediction of Neurocognitive Decline Following Brain Radiation",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Brain Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Multiparametric Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "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": 9,
      "start_date": "2019-08-22",
      "completion_date": "2026-04-15",
      "has_results": false,
      "last_update_posted_date": "2026-04-22",
      "last_synced_at": "2026-10-10T00:10:20.531Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05087888"
    },
    {
      "nct_id": "NCT02948946",
      "title": "Clinical Utility Assay as a Biomarker for Gastroenteropancreatic and Lung Neuroendocrine Tumors",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Gastroenteropancreatic Neuroendocrine Tumor",
        "Lung Neuroendocrine Neoplasm"
      ],
      "interventions": [
        {
          "name": "NETest",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 105,
      "start_date": "2017-01-09",
      "completion_date": "2020-09-15",
      "has_results": false,
      "last_update_posted_date": "2021-08-04",
      "last_synced_at": "2026-10-10T00:10:20.531Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02948946"
    },
    {
      "nct_id": "NCT02208102",
      "title": "Role of Cardiac Biomarkers in Prediction of Outcome in Atrial Fibrillation Patients Undergoing Catheter Ablation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Radio-frequency catheter ablation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Texas Cardiac Arrhythmia Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 155,
      "start_date": "2014-07",
      "completion_date": "2016-05",
      "has_results": false,
      "last_update_posted_date": "2017-10-19",
      "last_synced_at": "2026-10-10T00:10:20.531Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02208102"
    },
    {
      "nct_id": "NCT00825799",
      "title": "Serum Markers as a Bioassay for Unipolar Depression",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Major Depression"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Steward St. Elizabeth's Medical Center of Boston, Inc.",
      "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": 160,
      "start_date": "2007-11",
      "completion_date": "2011-05",
      "has_results": false,
      "last_update_posted_date": "2014-01-03",
      "last_synced_at": "2026-10-10T00:10:20.531Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00825799"
    },
    {
      "nct_id": "NCT00764829",
      "title": "Blood Samples to Evaluate Biomarkers of Donor Chimerism",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Leukemia",
        "Hodgkins Disease",
        "Non-hodgkins Lymphoma",
        "Myelodysplastic Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Fred Hutchinson 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": 80,
      "start_date": "2008-09",
      "completion_date": "2012-02",
      "has_results": false,
      "last_update_posted_date": "2012-02-15",
      "last_synced_at": "2026-10-10T00:10:20.531Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00764829"
    },
    {
      "nct_id": "NCT07665307",
      "title": "Delayed Toxicities Post-CAR-T",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Myeloma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2026-07-10",
      "completion_date": "2029-06-18",
      "has_results": false,
      "last_update_posted_date": "2026-08-10",
      "last_synced_at": "2026-10-10T00:10:20.531Z",
      "location_count": 3,
      "location_summary": "San Francisco, California • New York, New York",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07665307"
    },
    {
      "nct_id": "NCT04821375",
      "title": "Pilot Study of Bazedoxifene Plus Conjugated Estrogen on Imaging and Blood Biomarkers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Increased Risk for Development of Breast Cancer"
      ],
      "interventions": [
        {
          "name": "bazedoxifene plus conjugated estrogens",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Carol Fabian, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 65 Years · Female only"
      },
      "enrollment_count": 16,
      "start_date": "2021-12-02",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-10-29",
      "last_synced_at": "2026-10-10T00:10:20.531Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04821375"
    },
    {
      "nct_id": "NCT01225185",
      "title": "Assessing Cerebral Blood Flow Autoregulation During Surgery in the Head-up Position",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Shouldersurgery"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 240,
      "start_date": "2010-07",
      "completion_date": "2015-04",
      "has_results": false,
      "last_update_posted_date": "2017-08-22",
      "last_synced_at": "2026-10-10T00:10:20.531Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01225185"
    },
    {
      "nct_id": "NCT01398943",
      "title": "Nitric Oxide Bioavailability in Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "Tetrahydrobiopterin (BH4)",
          "type": "DRUG"
        },
        {
          "name": "Antioxidant Cocktail",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Augusta University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2010-09",
      "completion_date": "2015-06",
      "has_results": true,
      "last_update_posted_date": "2017-12-11",
      "last_synced_at": "2026-10-10T00:10:20.531Z",
      "location_count": 1,
      "location_summary": "Augusta, Georgia",
      "locations": [
        {
          "city": "Augusta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01398943"
    }
  ]
}