{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+Measurements", "query": { "intervention": "Biomarker Measurements" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 344, "total_pages": 35, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biomarker+Measurements&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-02T11:11:08.278Z", "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": "NCT00002540", "title": "Screening for Prostate Cancer in Older Patients (PLCO Screening Trial)", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Prostate Carcinoma" ], "interventions": [ { "name": "Laboratory Biomarker Analysis", "type": "OTHER" }, { "name": "Medical Examination Assessment", "type": "PROCEDURE" }, { "name": "Screening Questionnaire Administration", "type": "OTHER" } ], "intervention_types": [ "OTHER", "PROCEDURE" ], "sponsor": "National Cancer Institute (NCI)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "55 Years", "maximum_age": "74 Years", "sex": "MALE", "summary": "55 Years to 74 Years · Male only" }, "enrollment_count": 76685, "start_date": "1993-11-16", "completion_date": "2027-06-30", "has_results": true, "last_update_posted_date": "2026-07-24", "last_synced_at": "2026-09-02T11:11:08.278Z", "location_count": 1, "location_summary": "Bethesda, Maryland", "locations": [ { "city": "Bethesda", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT00002540" }, { "nct_id": "NCT02901925", "title": "A Microdose Evaluation Study of ABY-029 in Recurrent Glioma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "EARLY_PHASE1" ], "conditions": [ "Glioma" ], "interventions": [ { "name": "ABY-029", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Dartmouth-Hitchcock Medical Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 14, "start_date": "2017-02-13", "completion_date": "2021-06-29", "has_results": true, "last_update_posted_date": "2024-12-13", "last_synced_at": "2026-09-02T11:11:08.278Z", "location_count": 1, "location_summary": "Lebanon, New Hampshire", "locations": [ { "city": "Lebanon", "state": "New Hampshire" } ], "official_url": "https://clinicaltrials.gov/study/NCT02901925" }, { "nct_id": "NCT06727097", "title": "Post-Stroke Sensory Reweighting on Walking and Balance Outcomes", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Ischemic Stroke" ], "interventions": [ { "name": "Posturography", "type": "DIAGNOSTIC_TEST" }, { "name": "Walking Speed", "type": "DIAGNOSTIC_TEST" }, { "name": "Instrumented 7M Timed UP and GO", "type": "DIAGNOSTIC_TEST" }, { "name": "Fall Event Records", "type": "OTHER" }, { "name": "MRI (3T)", "type": "DIAGNOSTIC_TEST" } ], "intervention_types": [ "DIAGNOSTIC_TEST", "OTHER" ], "sponsor": "University of Cincinnati", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 45, "start_date": "2024-11-01", "completion_date": "2026-08-30", "has_results": false, "last_update_posted_date": "2024-12-10", "last_synced_at": "2026-09-02T11:11:08.278Z", "location_count": 1, "location_summary": "Cincinnati, Ohio", "locations": [ { "city": "Cincinnati", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT06727097" }, { "nct_id": "NCT02760329", "title": "Observational Study of Obstructive Lung Disease (NOVELTY)", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Asthma", "COPD", "Chronic Obstructive Pulmonary Disease" ], "interventions": [ { "name": "Blood draw", "type": "PROCEDURE" }, { "name": "Urine", "type": "PROCEDURE" }, { "name": "Lung function measurements", "type": "PROCEDURE" }, { "name": "Fractional Exhaled Nitric Oxide (FENO)", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE" ], "sponsor": "AstraZeneca", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "12 Years", "maximum_age": "130 Years", "sex": "ALL", "summary": "12 Years to 130 Years" }, "enrollment_count": 12255, "start_date": "2016-07-25", "completion_date": "2023-05-31", "has_results": false, "last_update_posted_date": "2024-10-03", "last_synced_at": "2026-09-02T11:11:08.278Z", "location_count": 40, "location_summary": "Loma Linda, California • Long Beach, California • Roseville, California + 33 more", "locations": [ { "city": "Loma Linda", "state": "California" }, { "city": "Long Beach", "state": "California" }, { "city": "Roseville", "state": "California" }, { "city": "Aurora", "state": "Colorado" }, { "city": "Colorado Springs", "state": "Colorado" } ], "official_url": "https://clinicaltrials.gov/study/NCT02760329" }, { "nct_id": "NCT04705766", "title": "KIDney Injury in Times of COVID-19 (KIDCOV)", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "SARS-CoV Infection", "Covid19", "Corona Virus Infection", "Acute Kidney Injury", "Kidney Injury" ], "interventions": [ { "name": "Urine Collection", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "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": 2000, "start_date": "2021-03-01", "completion_date": "2027-03", "has_results": false, "last_update_posted_date": "2025-07-28", "last_synced_at": "2026-09-02T11:11:08.278Z", "location_count": 3, "location_summary": "San Francisco, California • Chicago, Illinois • Ann Arbor, Michigan", "locations": [ { "city": "San Francisco", "state": "California" }, { "city": "Chicago", "state": "Illinois" }, { "city": "Ann Arbor", "state": "Michigan" } ], "official_url": "https://clinicaltrials.gov/study/NCT04705766" }, { "nct_id": "NCT02884492", "title": "Imaging Tau in Alzheimer's Disease and Normal Aging", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Alzheimer's Disease" ], "interventions": [ { "name": "18F-THK-5351", "type": "DRUG" }, { "name": "Lumbar Puncture (optional)", "type": "PROCEDURE" } ], "intervention_types": [ "DRUG", "PROCEDURE" ], "sponsor": "William Charles Kreisl", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "50 Years", "maximum_age": null, "sex": "ALL", "summary": "50 Years and older" }, "enrollment_count": 17, "start_date": "2016-07", "completion_date": "2017-06-30", "has_results": true, "last_update_posted_date": "2018-11-19", "last_synced_at": "2026-09-02T11:11:08.278Z", "location_count": 1, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT02884492" }, { "nct_id": "NCT02761707", "title": "Biomarkers in Neural Disorders", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Parkinson's Disease", "Alzheimer's Disease", "Progressive Supranuclear Palsy", "Essential Tremor", "Multiple System Atrophy", "Drug Induced Parkinson's Disease", "Diffuse Lewy Body Disease", "Myasthenia Gravis", "Spinal Cord Injuries" ], "interventions": [ { "name": "Electrical Brainstem Responses", "type": "OTHER" }, { "name": "Olfactory Tests", "type": "OTHER" }, { "name": "Visual Deprivation", "type": "OTHER" }, { "name": "Peripheral Nerve Stimulation", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "University of Pennsylvania", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "18 Years to 80 Years" }, "enrollment_count": 54, "start_date": "2016-06", "completion_date": "2019-07-16", "has_results": false, "last_update_posted_date": "2019-07-18", "last_synced_at": "2026-09-02T11:11:08.278Z", "location_count": 1, "location_summary": "Philadelphia, Pennsylvania", "locations": [ { "city": "Philadelphia", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT02761707" }, { "nct_id": "NCT07623837", "title": "Clinical Validation of AI-Based Quantitative Eye Movement Analysis From Smartphone 9-Gaze Videos (Glandy EOM)", "overall_status": "NOT_YET_RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Ocular Motility Disorders", "Strabismus", "Extraocular Muscle Dysfunction", "Thyroid Eye Disease" ], "interventions": [ { "name": "Glandy EOM (AI-based quantitative eye movement analysis software)", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "THYROSCOPE INC.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "22 Years", "maximum_age": null, "sex": "ALL", "summary": "22 Years and older" }, "enrollment_count": 1000, "start_date": "2026-07-01", "completion_date": "2027-12-31", "has_results": false, "last_update_posted_date": "2026-06-03", "last_synced_at": "2026-09-02T11:11:08.278Z", "location_count": 1, "location_summary": "San Jose, California", "locations": [ { "city": "San Jose", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT07623837" }, { "nct_id": "NCT03633318", "title": "Establishing Muscle Impedance Parameters With Electrical Impedance Myography", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "IBM", "Inclusion Body Myositis" ], "interventions": [ { "name": "electrical impedance myography (EIM)", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Yale University", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "46 Years", "maximum_age": null, "sex": "ALL", "summary": "46 Years and older" }, "enrollment_count": 31, "start_date": "2018-06-19", "completion_date": "2019-06-30", "has_results": false, "last_update_posted_date": "2020-08-11", "last_synced_at": "2026-09-02T11:11:08.278Z", "location_count": 1, "location_summary": "New Haven, Connecticut", "locations": [ { "city": "New Haven", "state": "Connecticut" } ], "official_url": "https://clinicaltrials.gov/study/NCT03633318" }, { "nct_id": "NCT05268991", "title": "Aging and Frailty Study", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Effects of Chemotherapy", "Aging", "Frailty" ], "interventions": [ { "name": "Geriatric Assessments and Frailty Indices", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Wake Forest University Health Sciences", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "65 Years", "maximum_age": null, "sex": "ALL", "summary": "65 Years and older" }, "enrollment_count": 25, "start_date": "2022-05-02", "completion_date": "2025-06-13", "has_results": false, "last_update_posted_date": "2025-08-01", "last_synced_at": "2026-09-02T11:11:08.278Z", "location_count": 1, "location_summary": "Winston-Salem, North Carolina", "locations": [ { "city": "Winston-Salem", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT05268991" } ] }