{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+Testing&page=19",
    "query": {
      "intervention": "Biomarker Testing",
      "page": 19
    },
    "page_size": 10
  },
  "pagination": {
    "page": 19,
    "page_size": 10,
    "total_count": 808,
    "total_pages": 81,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+Testing&page=20&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+Testing&page=18&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T02:38:57.639Z",
  "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": "NCT05421208",
      "title": "Cardiovascular Autonomic and Immune Mechanism of Post COVID-19 Tachycardia Syndrome",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-acute COVID-19 Syndrome",
        "Postural Tachycardia Syndrome (POTS)",
        "Long COVID",
        "SARS CoV 2 Infection"
      ],
      "interventions": [
        {
          "name": "Levels of inflammatory cytokine ( IL-6) in post-COVID-19 POTS and controls",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Levels of inflammatory cytokine ( IL-6) in controls",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Effect on inflammation after chronic PNS stimulation",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "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": "2022-06-01",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-15",
      "last_synced_at": "2026-10-23T02:38:57.639Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05421208"
    },
    {
      "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": "2026-10-23T02:38:57.639Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05780047"
    },
    {
      "nct_id": "NCT07617649",
      "title": "Laboratory Heat Biomarker and Cooling Interventions",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hyperthermia"
      ],
      "interventions": [
        {
          "name": "Hand cooling table",
          "type": "OTHER"
        },
        {
          "name": "Cooling bandana",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 30,
      "start_date": "2026-06",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2026-06-01",
      "last_synced_at": "2026-10-23T02:38:57.639Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07617649"
    },
    {
      "nct_id": "NCT01987388",
      "title": "Metabolic Flexibility as a Biomarker of Adaptation to Diet and Exercise Challenges",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "High Intensity Exercise",
          "type": "OTHER"
        },
        {
          "name": "Low Intensity Exercise",
          "type": "OTHER"
        },
        {
          "name": "High Carbohydrate Beverage",
          "type": "OTHER"
        },
        {
          "name": "High Fat Beverage",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "USDA Beltsville Human Nutrition Research Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "22 Years to 35 Years"
      },
      "enrollment_count": 16,
      "start_date": "2012-12",
      "completion_date": "2013-09",
      "has_results": false,
      "last_update_posted_date": "2017-05-31",
      "last_synced_at": "2026-10-23T02:38:57.639Z",
      "location_count": 1,
      "location_summary": "Beltsville, Maryland",
      "locations": [
        {
          "city": "Beltsville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01987388"
    },
    {
      "nct_id": "NCT01998867",
      "title": "Fasting Predictors of OGTT and MMTT Response",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prediabetes",
        "Hypertension",
        "Obesity",
        "Cardiovascular Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Health Diagnostic Laboratory, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2013-08",
      "completion_date": "2018-08",
      "has_results": false,
      "last_update_posted_date": "2015-02-13",
      "last_synced_at": "2026-10-23T02:38:57.639Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01998867"
    },
    {
      "nct_id": "NCT01677507",
      "title": "Glaucoma Biomarkers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Glaucoma",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Variation in eye pressure response to timolol and latanoprost treatment",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 135,
      "start_date": "2012-08",
      "completion_date": "2016-08-30",
      "has_results": true,
      "last_update_posted_date": "2017-09-13",
      "last_synced_at": "2026-10-23T02:38:57.639Z",
      "location_count": 3,
      "location_summary": "Ann Arbor, Michigan • Rochester, Minnesota • Omaha, Nebraska",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01677507"
    },
    {
      "nct_id": "NCT00898092",
      "title": "Genetics Study of Tissue Collected From Patients With Acute Myeloid Leukemia",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Leukemia"
      ],
      "interventions": [
        {
          "name": "microarray analysis",
          "type": "GENETIC"
        },
        {
          "name": "molecular genetic technique",
          "type": "GENETIC"
        },
        {
          "name": "mutation analysis",
          "type": "GENETIC"
        },
        {
          "name": "polymerase chain reaction",
          "type": "GENETIC"
        },
        {
          "name": "reverse transcriptase-polymerase chain reaction",
          "type": "GENETIC"
        },
        {
          "name": "diagnostic laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "59 Years",
        "sex": "ALL",
        "summary": "15 Years to 59 Years"
      },
      "enrollment_count": 735,
      "start_date": "2006-05",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2021-08-17",
      "last_synced_at": "2026-10-23T02:38:57.639Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00898092"
    },
    {
      "nct_id": "NCT06394869",
      "title": "Study to Assess the Impact of the Urine Test Cxbladder Triage Plus on the Number of Cystoscopies Performed on Patients With Invisible Blood in Their Urine.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hematuria - Cause Not Known"
      ],
      "interventions": [
        {
          "name": "Cxbladder Triage Plus",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Pacific Edge Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "88 Years",
        "sex": "ALL",
        "summary": "18 Years to 88 Years"
      },
      "enrollment_count": 1000,
      "start_date": "2025-04-29",
      "completion_date": "2028-04",
      "has_results": false,
      "last_update_posted_date": "2026-07-02",
      "last_synced_at": "2026-10-23T02:38:57.639Z",
      "location_count": 20,
      "location_summary": "Homewood, Alabama • Mobile, Alabama • Fresno, California + 15 more",
      "locations": [
        {
          "city": "Homewood",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06394869"
    },
    {
      "nct_id": "NCT02307461",
      "title": "Bioequivalence of Duvelisib and Food Effect on Pharmacokinetics of IPI-145",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "IPI-145 (duvelisib)",
          "type": "DRUG"
        },
        {
          "name": "IPI-145",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "SecuraBio",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 103,
      "start_date": "2014-11",
      "completion_date": "2015-09",
      "has_results": false,
      "last_update_posted_date": "2021-03-17",
      "last_synced_at": "2026-10-23T02:38:57.639Z",
      "location_count": 1,
      "location_summary": "Lenexa, Kansas",
      "locations": [
        {
          "city": "Lenexa",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02307461"
    },
    {
      "nct_id": "NCT00662103",
      "title": "Aerobic Exercise, Resistance Exercise, or Flexibility and Relaxation Training in Inactive Older Female Breast Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Cancer Survivor",
        "Fatigue",
        "Long-term Effects Secondary to Cancer Therapy in Adults",
        "Psychosocial Effects of Cancer and Its Treatment"
      ],
      "interventions": [
        {
          "name": "exercise intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "survey administration",
          "type": "OTHER"
        },
        {
          "name": "assessment of therapy complications",
          "type": "PROCEDURE"
        },
        {
          "name": "fatigue assessment and management",
          "type": "PROCEDURE"
        },
        {
          "name": "management of therapy complications",
          "type": "PROCEDURE"
        },
        {
          "name": "psychosocial assessment and care",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "OHSU Knight Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "120 Years",
        "sex": "FEMALE",
        "summary": "65 Years to 120 Years · Female only"
      },
      "enrollment_count": 115,
      "start_date": "2008-03",
      "completion_date": "2010-06",
      "has_results": false,
      "last_update_posted_date": "2015-10-15",
      "last_synced_at": "2026-10-23T02:38:57.639Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00662103"
    }
  ]
}