{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Serum+Blood+Markers&page=5",
    "query": {
      "intervention": "Serum Blood Markers",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 120,
    "total_pages": 12,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Serum+Blood+Markers&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Serum+Blood+Markers&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-13T07:12:46.595Z",
  "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": "NCT01026272",
      "title": "Novel Immune Markers in Patients With Multiple Sclerosis",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "21 Years to 50 Years"
      },
      "enrollment_count": 120,
      "start_date": "2010-01",
      "completion_date": "2011-05",
      "has_results": false,
      "last_update_posted_date": "2010-07-13",
      "last_synced_at": "2026-10-13T07:12:46.595Z",
      "location_count": 2,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01026272"
    },
    {
      "nct_id": "NCT00688246",
      "title": "Bone Mineral Density in Postmenopausal Women at Increased Risk of Breast Cancer And Who Are Receiving Exemestane on MAP3",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "biologic sample preservation procedure",
          "type": "OTHER"
        },
        {
          "name": "dual x-ray absorptometry",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "NCIC Clinical Trials Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "35 Years and older · Female only"
      },
      "enrollment_count": 238,
      "start_date": "2008-07-10",
      "completion_date": "2013-01-10",
      "has_results": false,
      "last_update_posted_date": "2023-08-04",
      "last_synced_at": "2026-10-13T07:12:46.595Z",
      "location_count": 13,
      "location_summary": "Torrance, California • Washington D.C., District of Columbia • Scarborough, Maine + 9 more",
      "locations": [
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Scarborough",
          "state": "Maine"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00688246"
    },
    {
      "nct_id": "NCT02091219",
      "title": "Effects of Vitamin D3 Versus 25OHD3 on Mineral Metabolism and Immune Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Vitamin D Deficiency"
      ],
      "interventions": [
        {
          "name": "Vitamin D",
          "type": "DRUG"
        },
        {
          "name": "25(OH)D3",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2014-06",
      "completion_date": "2019-12-07",
      "has_results": false,
      "last_update_posted_date": "2021-04-28",
      "last_synced_at": "2026-10-13T07:12:46.595Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02091219"
    },
    {
      "nct_id": "NCT00796978",
      "title": "Trastuzumab in Treating Older Women With Early-Stage Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "trastuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "adjuvant therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "quality-of-life assessment",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Cynthia Owusu, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "60 Years and older · Female only"
      },
      "enrollment_count": 56,
      "start_date": "2009-02-05",
      "completion_date": "2020-02-26",
      "has_results": true,
      "last_update_posted_date": "2024-05-01",
      "last_synced_at": "2026-10-13T07:12:46.595Z",
      "location_count": 11,
      "location_summary": "Miami, Florida • Winston-Salem, North Carolina • Cleveland, Ohio + 3 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00796978"
    },
    {
      "nct_id": "NCT00373347",
      "title": "Identification of New Serum Diagnostic Markers of Hepatocellular Carcinoma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Liver Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 573,
      "start_date": "2004-11",
      "completion_date": "2024-11-18",
      "has_results": false,
      "last_update_posted_date": "2026-04-17",
      "last_synced_at": "2026-10-13T07:12:46.595Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00373347"
    },
    {
      "nct_id": "NCT00261365",
      "title": "Phase II Study to Determine Predictive Markers of Response to BMS-734016 (MDX-010)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Unresectable Stage III or IV Malignant Melanoma"
      ],
      "interventions": [
        {
          "name": "Ipilimumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2005-11",
      "completion_date": "2007-10",
      "has_results": false,
      "last_update_posted_date": "2016-09-29",
      "last_synced_at": "2026-10-13T07:12:46.595Z",
      "location_count": 3,
      "location_summary": "Palm Springs, California • Santa Monica, California • Boston, Massachusetts",
      "locations": [
        {
          "city": "Palm Springs",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00261365"
    },
    {
      "nct_id": "NCT02765945",
      "title": "Exercise as an Modulator of Immunological Risk Factors for Osteoporosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "Supervised exercise program",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "East Tennessee State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "30 Years to 60 Years"
      },
      "enrollment_count": 43,
      "start_date": "1996-12",
      "completion_date": "1998-04",
      "has_results": false,
      "last_update_posted_date": "2016-05-09",
      "last_synced_at": "2026-10-13T07:12:46.595Z",
      "location_count": 1,
      "location_summary": "Johnson City, Tennessee",
      "locations": [
        {
          "city": "Johnson City",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02765945"
    },
    {
      "nct_id": "NCT00773084",
      "title": "Aliskiren and Renin Inhibition in Diastolic Heart Failure",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diastolic Heart Failure"
      ],
      "interventions": [
        {
          "name": "Aliskiren plus spironolactone vs. Lisinopril plus spironolactone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Texas Tech University Health Sciences Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "21 Years to 70 Years"
      },
      "enrollment_count": 0,
      "start_date": "2008-09",
      "completion_date": "2009-08",
      "has_results": false,
      "last_update_posted_date": "2015-05-12",
      "last_synced_at": "2026-10-13T07:12:46.595Z",
      "location_count": 1,
      "location_summary": "Lubbock, Texas",
      "locations": [
        {
          "city": "Lubbock",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00773084"
    },
    {
      "nct_id": "NCT04459052",
      "title": "FDOPA PET and Nutritional Support in Parkinson's Disease",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson Disease",
        "Idiopathic Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "N acetyl cysteine",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "[F-18] Fluorodopa Positron Emission Tomography",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2020-04-30",
      "completion_date": "2027-01-08",
      "has_results": false,
      "last_update_posted_date": "2025-07-29",
      "last_synced_at": "2026-10-13T07:12:46.595Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04459052"
    },
    {
      "nct_id": "NCT03014518",
      "title": "Biomarkers as Predictors of Suicidal Risk in Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Suicide, Attempted",
        "Suicidal Ideation",
        "Suicidal Intention",
        "Suicide"
      ],
      "interventions": [
        {
          "name": "Clinical assessments and blood samples; follow-up for 12 mos",
          "type": "OTHER"
        },
        {
          "name": "Clinical assessments and blood samples; no 12mo follow-up",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "12 Years to 18 Years"
      },
      "enrollment_count": 80,
      "start_date": "2016-12",
      "completion_date": "2021-06-28",
      "has_results": false,
      "last_update_posted_date": "2021-07-16",
      "last_synced_at": "2026-10-13T07:12:46.595Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03014518"
    }
  ]
}