{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biomarker+levels",
    "query": {
      "intervention": "biomarker levels"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 437,
    "total_pages": 44,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biomarker+levels&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-15T13:27:43.251Z",
  "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": "NCT01915433",
      "title": "Wahls Paleo Diet and Progressive Multiple Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Wahls Paleo Plus",
          "type": "OTHER"
        },
        {
          "name": "Wahls Diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Terry L. Wahls",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "30 Years to 65 Years"
      },
      "enrollment_count": 15,
      "start_date": "2013-07",
      "completion_date": "2016-11",
      "has_results": false,
      "last_update_posted_date": "2018-06-26",
      "last_synced_at": "2026-09-15T13:27:43.251Z",
      "location_count": 2,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01915433"
    },
    {
      "nct_id": "NCT03471143",
      "title": "Study of IV VTS-270 for Infantile Liver Disease Associated With Niemann-Pick Disease, Type C",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Niemann-Pick Disease, Type C"
      ],
      "interventions": [
        {
          "name": "VTS-270",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "6 Months",
        "sex": "ALL",
        "summary": "Up to 6 Months"
      },
      "enrollment_count": 4,
      "start_date": "2019-02-22",
      "completion_date": "2024-10-04",
      "has_results": true,
      "last_update_posted_date": "2026-01-05",
      "last_synced_at": "2026-09-15T13:27:43.251Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03471143"
    },
    {
      "nct_id": "NCT05780047",
      "title": "Personalized Mobile Intervention to Reduce Exposure to Endocrine Disrupting Chemicals in Adults of Child-Bearing Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Endocrine Disrupting Chemicals",
        "Environmental Exposure",
        "Health Literacy",
        "Bisphenol A",
        "Phthalate Exposure",
        "Survey"
      ],
      "interventions": [
        {
          "name": "Mail-in Urine Test for EDCs",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Million Marker Wellness, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 434,
      "start_date": "2022-05-01",
      "completion_date": "2022-10-31",
      "has_results": true,
      "last_update_posted_date": "2024-05-14",
      "last_synced_at": "2026-09-15T13:27:43.251Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05780047"
    },
    {
      "nct_id": "NCT02419846",
      "title": "Informed Decision Making Intervention in Screening for Prostate Cancer of Predominantly African American Participants in a Community Outreach Program",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Carcinoma"
      ],
      "interventions": [
        {
          "name": "Educational Intervention",
          "type": "OTHER"
        },
        {
          "name": "digital rectal examination",
          "type": "PROCEDURE"
        },
        {
          "name": "Pre-test administration",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Prostate-specific antigen measurement",
          "type": "OTHER"
        },
        {
          "name": "Post test administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "19 Years and older · Male only"
      },
      "enrollment_count": 319,
      "start_date": "2015-06-01",
      "completion_date": "2022-07",
      "has_results": false,
      "last_update_posted_date": "2022-07-25",
      "last_synced_at": "2026-09-15T13:27:43.251Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02419846"
    },
    {
      "nct_id": "NCT03357432",
      "title": "Gelatin, Collagen, Gummy and PINP",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Collagen Synthesis"
      ],
      "interventions": [
        {
          "name": "gelatin, collagen, gummy dose",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "MALE",
        "summary": "18 Years to 50 Years · Male only"
      },
      "enrollment_count": 11,
      "start_date": "2017-10-21",
      "completion_date": "2018-09-07",
      "has_results": false,
      "last_update_posted_date": "2018-11-09",
      "last_synced_at": "2026-09-15T13:27:43.251Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03357432"
    },
    {
      "nct_id": "NCT05139914",
      "title": "Assessment of Dapagliflozin on Vascular Health in Patients With Type 2 Diabetes",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2",
        "Endothelial Dysfunction"
      ],
      "interventions": [
        {
          "name": "Dapagliflozin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Boston University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "30 Years to 75 Years"
      },
      "enrollment_count": 4,
      "start_date": "2022-05-31",
      "completion_date": "2025-02-04",
      "has_results": true,
      "last_update_posted_date": "2026-02-11",
      "last_synced_at": "2026-09-15T13:27:43.251Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05139914"
    },
    {
      "nct_id": "NCT07133139",
      "title": "Treatment Validation for Myofascial Pain",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Low-back Pain (cLBP)",
        "Myofacial Pain"
      ],
      "interventions": [
        {
          "name": "Dry Needling",
          "type": "DEVICE"
        },
        {
          "name": "Sham Dry Needling",
          "type": "DEVICE"
        },
        {
          "name": "NUN Biomarker",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Ajay Wasan, MD, Msc",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "20 Years to 70 Years"
      },
      "enrollment_count": 80,
      "start_date": "2025-10-06",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-24",
      "last_synced_at": "2026-09-15T13:27:43.251Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07133139"
    },
    {
      "nct_id": "NCT02861352",
      "title": "An Evaluation of Zinc Status Biomarkers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Inflammation",
        "Oxidative Stress"
      ],
      "interventions": [
        {
          "name": "Diet zinc",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "UCSF Benioff Children's Hospital Oakland",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "MALE",
        "summary": "18 Years to 50 Years · Male only"
      },
      "enrollment_count": 18,
      "start_date": "2011-03",
      "completion_date": "2015-02",
      "has_results": false,
      "last_update_posted_date": "2020-11-24",
      "last_synced_at": "2026-09-15T13:27:43.251Z",
      "location_count": 1,
      "location_summary": "Oakland, California",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02861352"
    },
    {
      "nct_id": "NCT06274164",
      "title": "Clinical and Molecular Biomarker Studies in RAI1 (Retinoic Acid-Induced 1) -Related Disorders",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "RAI1 Gene 17P11.2 Deletion+Duplication"
      ],
      "interventions": [
        {
          "name": "Electroencephalography/Polysomnography (EEG/PSG)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Skin Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood draw",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "PROCEDURE"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "1 Month to 80 Years"
      },
      "enrollment_count": 90,
      "start_date": "2024-03-13",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-06-03",
      "last_synced_at": "2026-09-15T13:27:43.251Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06274164"
    },
    {
      "nct_id": "NCT04038021",
      "title": "Phosphatidylethanol-Based Contingency Management for Housing",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol Use Disorder"
      ],
      "interventions": [
        {
          "name": "Phosphatidylethanol-based Contingency Management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Non-Contingent Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Washington State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2020-01-13",
      "completion_date": "2022-10-27",
      "has_results": false,
      "last_update_posted_date": "2023-04-27",
      "last_synced_at": "2026-09-15T13:27:43.251Z",
      "location_count": 1,
      "location_summary": "Spokane, Washington",
      "locations": [
        {
          "city": "Spokane",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04038021"
    }
  ]
}