{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Biological+Markers&page=28",
    "query": {
      "condition": "Biological Markers",
      "page": 28
    },
    "page_size": 10
  },
  "pagination": {
    "page": 28,
    "page_size": 10,
    "total_count": 3308,
    "total_pages": 331,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Biological+Markers&page=29&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Biological+Markers&page=27&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T19:38:48.230Z",
  "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": "NCT06432166",
      "title": "2-Hydroxybenzylamine (2-HOBA) Study in Early Alzheimer's Patients",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Alzheimer Disease",
        "Mild Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "2-hydroxybenzylamine acetate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "MTI Biotech Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "55 Years to 85 Years"
      },
      "enrollment_count": 48,
      "start_date": "2026-09-01",
      "completion_date": "2029-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-24",
      "last_synced_at": "2026-11-15T19:38:48.230Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06432166"
    },
    {
      "nct_id": "NCT05063656",
      "title": "Biomarker-Driven Pharmacological Treatment of Adolescents With Autism Spectrum Disorder With Gabapentin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Autism Spectrum Disorder"
      ],
      "interventions": [
        {
          "name": "Gabapentin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "David Cochran",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "13 Years to 17 Years"
      },
      "enrollment_count": 16,
      "start_date": "2022-02-04",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-20",
      "last_synced_at": "2026-11-15T19:38:48.230Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05063656"
    },
    {
      "nct_id": "NCT00179829",
      "title": "WT1 for the Detection of Minimal Residual Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Leukemia",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "WT 1 Testing",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Ann & Robert H Lurie Children's Hospital of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 50,
      "start_date": "1999-02",
      "completion_date": "2006-04",
      "has_results": false,
      "last_update_posted_date": "2025-02-04",
      "last_synced_at": "2026-11-15T19:38:48.230Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00179829"
    },
    {
      "nct_id": "NCT00788359",
      "title": "Cystic Fibrosis Foundation (CFF) Biomarkers of Exacerbation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cystic Fibrosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "10 Years and older"
      },
      "enrollment_count": 123,
      "start_date": "2007-12",
      "completion_date": "2014-07",
      "has_results": false,
      "last_update_posted_date": "2014-12-02",
      "last_synced_at": "2026-11-15T19:38:48.230Z",
      "location_count": 5,
      "location_summary": "Denver, Colorado • Indianapolis, Indiana • Ann Arbor, Michigan + 2 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00788359"
    },
    {
      "nct_id": "NCT03741322",
      "title": "A 24 Month Observational Study of Infants 3-24 Months, Who Suffer an Acute Episode of Respiratory Infection and Wheezing Illness",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Respiratory Tract Infections",
        "Wheezing"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "3 Months",
        "maximum_age": "24 Months",
        "sex": "ALL",
        "summary": "3 Months to 24 Months"
      },
      "enrollment_count": 5,
      "start_date": "2018-12-12",
      "completion_date": "2020-06-16",
      "has_results": false,
      "last_update_posted_date": "2020-11-25",
      "last_synced_at": "2026-11-15T19:38:48.230Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03741322"
    },
    {
      "nct_id": "NCT02198651",
      "title": "A Phase 4 Trial Assessing the ImPact of Residual Inflammation Detected Via Imaging TEchniques, Drug Levels and Patient Characteristics on the Outcome of Dose TaperIng of Adalimumab in Clinical Remission Rheumatoid ArThritis (RA) Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Rheumatoid Arthritis",
        "Musculoskeletal and Connective Tissue Diseases"
      ],
      "interventions": [
        {
          "name": "Adalimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "AbbVie",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 149,
      "start_date": "2015-01-05",
      "completion_date": "2018-08-08",
      "has_results": true,
      "last_update_posted_date": "2019-06-25",
      "last_synced_at": "2026-11-15T19:38:48.230Z",
      "location_count": 13,
      "location_summary": "Tuscaloosa, Alabama • Thousand Oaks, California • Jacksonville, Florida + 10 more",
      "locations": [
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Thousand Oaks",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Lawrenceville",
          "state": "Georgia"
        },
        {
          "city": "Monroe",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02198651"
    },
    {
      "nct_id": "NCT07772297",
      "title": "Biomarkers of Cervical Spondylotic Myelopathy",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cervical Spondylotic Myelopathy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2026-09",
      "completion_date": "2030-09",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-11-15T19:38:48.230Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07772297"
    },
    {
      "nct_id": "NCT02787213",
      "title": "A Multicenter Assessment of a Spontaneous Preterm Birth Risk Predictor",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Preterm Birth"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Sera Prognostics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 55 Years · Female only"
      },
      "enrollment_count": 5011,
      "start_date": "2016-08",
      "completion_date": "2019-06",
      "has_results": false,
      "last_update_posted_date": "2021-04-14",
      "last_synced_at": "2026-11-15T19:38:48.230Z",
      "location_count": 18,
      "location_summary": "Phoenix, Arizona • Orange, California • San Diego, California + 15 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02787213"
    },
    {
      "nct_id": "NCT02882841",
      "title": "MOlecular BIomarkers and Adherent and Invasive Escherichia Coli (AIEC) Detection Study In Crohn's Disease Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Crohn's Disease"
      ],
      "interventions": [
        {
          "name": "Biopsies, stool and blood collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Enterome",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 143,
      "start_date": "2016-09",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2018-06-12",
      "last_synced_at": "2026-11-15T19:38:48.230Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02882841"
    },
    {
      "nct_id": "NCT00622661",
      "title": "Carbohydrates and Related Biomarkers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy",
        "Overweight"
      ],
      "interventions": [
        {
          "name": "Low Glycemic Load Diet",
          "type": "OTHER"
        },
        {
          "name": "High Glycemic Load Diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 89,
      "start_date": "2006-06",
      "completion_date": "2010-07",
      "has_results": false,
      "last_update_posted_date": "2012-01-05",
      "last_synced_at": "2026-11-15T19:38:48.230Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00622661"
    }
  ]
}