{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+biomarker&page=9", "query": { "intervention": "blood biomarker", "page": 9 }, "page_size": 10 }, "pagination": { "page": 9, "page_size": 10, "total_count": 1739, "total_pages": 174, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+biomarker&page=10&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+biomarker&page=8&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-15T05:20:52.195Z", "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": "NCT02990078", "title": "Non-invasive Measurement of Cerebrovascular Reactivity After Traumatic Brain Injury", "overall_status": "TERMINATED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "TBI" ], "interventions": [ { "name": "Sildenafil citrate", "type": "DRUG" }, { "name": "Functional Near Infared Spectroscopy", "type": "DEVICE" }, { "name": "Hypercapnia Challenge", "type": "OTHER" } ], "intervention_types": [ "DRUG", "DEVICE", "OTHER" ], "sponsor": "University of Pennsylvania", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 26, "start_date": "2016-12", "completion_date": "2022-09-30", "has_results": false, "last_update_posted_date": "2022-10-13", "last_synced_at": "2026-10-15T05:20:52.195Z", "location_count": 1, "location_summary": "Philadelphia, Pennsylvania", "locations": [ { "city": "Philadelphia", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT02990078" }, { "nct_id": "NCT03170063", "title": "FoxBioNet Pilot Project: SAVE (Synuclein Assay Validation Effort)", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Parkinson Disease" ], "interventions": [ { "name": "Procedure/Surgery: Biofluid samplings", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE" ], "sponsor": "Michael J. Fox Foundation for Parkinson's Research", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "30 Years", "maximum_age": null, "sex": "ALL", "summary": "30 Years and older" }, "enrollment_count": 54, "start_date": "2017-08-08", "completion_date": "2018-03-12", "has_results": false, "last_update_posted_date": "2018-08-20", "last_synced_at": "2026-10-15T05:20:52.195Z", "location_count": 5, "location_summary": "Chicago, Illinois • Boston, Massachusetts • Portland, Oregon + 2 more", "locations": [ { "city": "Chicago", "state": "Illinois" }, { "city": "Boston", "state": "Massachusetts" }, { "city": "Portland", "state": "Oregon" }, { "city": "Philadelphia", "state": "Pennsylvania" }, { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT03170063" }, { "nct_id": "NCT04713228", "title": "Prospective Case-Control Study of Cardiovascular Changes in Pregnancy Related Hypertensive Disorders", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Pre-Eclampsia" ], "interventions": [ { "name": "ARTSENS Pen", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute)", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "FEMALE", "summary": "18 Years and older · Female only" }, "enrollment_count": 12, "start_date": "2021-07-01", "completion_date": "2024-01-17", "has_results": false, "last_update_posted_date": "2024-01-30", "last_synced_at": "2026-10-15T05:20:52.195Z", "location_count": 1, "location_summary": "Pittsburgh, Pennsylvania", "locations": [ { "city": "Pittsburgh", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT04713228" }, { "nct_id": "NCT00574899", "title": "Prostate Biomarker Study", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Prostate Cancer" ], "interventions": [ { "name": "Questioners, blood specimens, prostate tissue specimens", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Memorial Sloan Kettering Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "35 Years", "maximum_age": null, "sex": "MALE", "summary": "35 Years and older · Male only" }, "enrollment_count": 32, "start_date": "2007-05", "completion_date": "2011-05", "has_results": false, "last_update_posted_date": "2015-10-20", "last_synced_at": "2026-10-15T05:20:52.195Z", "location_count": 2, "location_summary": "Los Angeles, California • New York, New York", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT00574899" }, { "nct_id": "NCT02601014", "title": "Biomarker-Driven Therapy With Nivolumab and Ipilimumab in Treating Patients With Metastatic Hormone-Resistant Prostate Cancer Expressing AR-V7", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Prostate Cancer", "Recurrent Prostate Carcinoma", "Stage IV Prostate Adenocarcinoma" ], "interventions": [ { "name": "Ipilimumab", "type": "BIOLOGICAL" }, { "name": "Nivolumab", "type": "BIOLOGICAL" }, { "name": "Enzalutamide", "type": "DRUG" } ], "intervention_types": [ "BIOLOGICAL", "DRUG" ], "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "MALE", "summary": "18 Years and older · Male only" }, "enrollment_count": 32, "start_date": "2016-03-15", "completion_date": "2021-10-06", "has_results": true, "last_update_posted_date": "2022-02-03", "last_synced_at": "2026-10-15T05:20:52.195Z", "location_count": 1, "location_summary": "Baltimore, Maryland", "locations": [ { "city": "Baltimore", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT02601014" }, { "nct_id": "NCT02549638", "title": "Identification of Prognostic Biomarkers for Progression of Invasive Squamous Cell Carcinoma", "overall_status": "TERMINATED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Carcinoma, Squamous Cell", "Carcinoma, Squamous", "Squamous Cell Carcinoma", "Lung Neoplasms", "Cancer of Lung", "Cancer of the Lung", "Lung Cancer", "Neoplasms, Lung", "Neoplasms, Pulmonary", "Pulmonary Cancer", "Pulmonary Neoplasms" ], "interventions": [ { "name": "DNA Extraction", "type": "GENETIC" } ], "intervention_types": [ "GENETIC" ], "sponsor": "Mayo Clinic", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 22, "start_date": "2015-04-08", "completion_date": "2020-04-23", "has_results": false, "last_update_posted_date": "2025-10-14", "last_synced_at": "2026-10-15T05:20:52.195Z", "location_count": 1, "location_summary": "Rochester, Minnesota", "locations": [ { "city": "Rochester", "state": "Minnesota" } ], "official_url": "https://clinicaltrials.gov/study/NCT02549638" }, { "nct_id": "NCT04526587", "title": "Biomarkers and Clinical Features of Metastatic Breast Cancer in Patients Treated With CDK4/6 Inhibitors", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Anatomic Stage IV Breast Cancer AJCC v8", "Metastatic Breast Carcinoma", "Prognostic Stage IV Breast Cancer AJCC v8" ], "interventions": [ { "name": "Cytology Specimen Collection Procedure", "type": "OTHER" }, { "name": "Diagnostic Laboratory Biomarker Analysis", "type": "OTHER" }, { "name": "Medical Chart Review", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Roswell Park Cancer Institute", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 700, "start_date": "2020-07-03", "completion_date": "2035-07-03", "has_results": false, "last_update_posted_date": "2025-11-13", "last_synced_at": "2026-10-15T05:20:52.195Z", "location_count": 1, "location_summary": "Buffalo, New York", "locations": [ { "city": "Buffalo", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT04526587" }, { "nct_id": "NCT01273766", "title": "Deferasirox in Treating Iron Overload Caused By Blood Transfusions in Patients With Hematologic Malignancies", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Acute Undifferentiated Leukemia", "Adult Acute Lymphoblastic Leukemia in Remission", "Adult Acute Myeloid Leukemia in Remission", "Adult Acute Myeloid Leukemia With 11q23 (MLL) Abnormalities", "Adult Acute Myeloid Leukemia With Del(5q)", "Adult Acute Myeloid Leukemia With Inv(16)(p13;q22)", "Adult Acute Myeloid Leukemia With t(15;17)(q22;q12)", "Adult Acute Myeloid Leukemia With t(16;16)(p13;q22)", "Adult Acute Myeloid Leukemia With t(8;21)(q22;q22)", "Adult Grade III Lymphomatoid Granulomatosis", "Adult Langerhans Cell Histiocytosis", "Adult Nasal Type Extranodal NK/T-cell Lymphoma", "Anaplastic Large Cell Lymphoma", "Angioimmunoblastic T-cell Lymphoma", "Contiguous Stage II Adult Burkitt Lymphoma", "Contiguous Stage II Adult Diffuse Large Cell Lymphoma", "Contiguous Stage II Adult Diffuse Mixed Cell Lymphoma", "Contiguous Stage II Adult Diffuse Small Cleaved Cell Lymphoma", "Contiguous Stage II Adult Immunoblastic Large Cell Lymphoma", "Contiguous Stage II Adult Lymphoblastic Lymphoma", "Contiguous Stage II Grade 1 Follicular Lymphoma", "Contiguous Stage II Grade 2 Follicular Lymphoma", "Contiguous Stage II Grade 3 Follicular Lymphoma", "Contiguous Stage II Mantle Cell Lymphoma", "Contiguous Stage II Marginal Zone Lymphoma", "Contiguous Stage II Small Lymphocytic Lymphoma", "Cutaneous B-cell Non-Hodgkin Lymphoma", "de Novo Myelodysplastic Syndromes", "Extranodal Marginal Zone B-cell Lymphoma of Mucosa-associated Lymphoid Tissue", "Hepatosplenic T-cell Lymphoma", "Intraocular Lymphoma", "Mast Cell Leukemia", "Myelodysplastic Syndrome With Isolated Del(5q)", "Myelodysplastic/Myeloproliferative Neoplasm, Unclassifiable", "Myeloid/NK-cell Acute Leukemia", "Nodal Marginal Zone B-cell Lymphoma", "Noncontiguous Stage II Adult Burkitt Lymphoma", "Noncontiguous Stage II Adult Diffuse Large Cell Lymphoma", "Noncontiguous Stage II Adult Diffuse Mixed Cell Lymphoma", "Noncontiguous Stage II Adult Diffuse Small Cleaved Cell Lymphoma", "Noncontiguous Stage II Adult Immunoblastic Large Cell Lymphoma", "Noncontiguous Stage II Adult Lymphoblastic Lymphoma", "Noncontiguous Stage II Grade 1 Follicular Lymphoma", "Noncontiguous Stage II Grade 2 Follicular Lymphoma", "Noncontiguous Stage II Grade 3 Follicular Lymphoma", "Noncontiguous Stage II Mantle Cell Lymphoma", "Noncontiguous Stage II Marginal Zone Lymphoma", "Noncontiguous Stage II Small Lymphocytic Lymphoma", "Noncutaneous Extranodal Lymphoma", "Peripheral T-cell Lymphoma", "Previously Treated Myelodysplastic Syndromes", "Primary Myelofibrosis", "Recurrent Adult Acute Lymphoblastic Leukemia", "Recurrent Adult Acute Myeloid Leukemia", "Recurrent Adult Burkitt Lymphoma", "Recurrent Adult Diffuse Large Cell Lymphoma", "Recurrent Adult Diffuse Mixed Cell Lymphoma", "Recurrent Adult Diffuse Small Cleaved Cell Lymphoma", "Recurrent Adult Grade III Lymphomatoid Granulomatosis", "Recurrent Adult Hodgkin Lymphoma", "Recurrent Adult Immunoblastic Large Cell Lymphoma", "Recurrent Adult Lymphoblastic Lymphoma", "Recurrent Adult T-cell Leukemia/Lymphoma", "Recurrent Cutaneous T-cell Non-Hodgkin Lymphoma", "Recurrent Grade 1 Follicular Lymphoma", "Recurrent Grade 2 Follicular Lymphoma", "Recurrent Grade 3 Follicular Lymphoma", "Recurrent Mantle Cell Lymphoma", "Recurrent Marginal Zone Lymphoma", "Recurrent Mycosis Fungoides/Sezary Syndrome", "Recurrent Small Lymphocytic Lymphoma", "Refractory Anemia", "Refractory Multiple Myeloma", "Secondary Acute Myeloid Leukemia", "Secondary Myelofibrosis", "Small Intestine Lymphoma", "Splenic Marginal Zone Lymphoma", "Stage I Adult Burkitt Lymphoma", "Stage I Adult Diffuse Large Cell Lymphoma", "Stage I Adult Diffuse Mixed Cell Lymphoma", "Stage I Adult Diffuse Small Cleaved Cell Lymphoma", "Stage I Adult Hodgkin Lymphoma", "Stage I Adult Immunoblastic Large Cell Lymphoma", "Stage I Adult Lymphoblastic Lymphoma", "Stage I Adult T-cell Leukemia/Lymphoma", "Stage I Cutaneous T-cell Non-Hodgkin Lymphoma", "Stage I Grade 1 Follicular Lymphoma", "Stage I Grade 2 Follicular Lymphoma", "Stage I Grade 3 Follicular Lymphoma", "Stage I Mantle Cell Lymphoma", "Stage I Marginal Zone Lymphoma", "Stage I Multiple Myeloma", "Stage I Mycosis Fungoides/Sezary Syndrome", "Stage I Small Lymphocytic Lymphoma", "Stage II Adult Hodgkin Lymphoma", "Stage II Adult T-cell Leukemia/Lymphoma", "Stage II Cutaneous T-cell Non-Hodgkin Lymphoma", "Stage II Multiple Myeloma", "Stage II Mycosis Fungoides/Sezary Syndrome", "Stage III Adult Burkitt Lymphoma", "Stage III Adult Diffuse Large Cell Lymphoma", "Stage III Adult Diffuse Mixed Cell Lymphoma", "Stage III Adult Diffuse Small Cleaved Cell Lymphoma", "Stage III Adult Hodgkin Lymphoma", "Stage III Adult Immunoblastic Large Cell Lymphoma", "Stage III Adult Lymphoblastic Lymphoma", "Stage III Adult T-cell Leukemia/Lymphoma", "Stage III Cutaneous T-cell Non-Hodgkin Lymphoma", "Stage III Grade 1 Follicular Lymphoma", "Stage III Grade 2 Follicular Lymphoma", "Stage III Grade 3 Follicular Lymphoma", "Stage III Mantle Cell Lymphoma", "Stage III Marginal Zone Lymphoma", "Stage III Multiple Myeloma", "Stage III Mycosis Fungoides/Sezary Syndrome", "Stage III Small Lymphocytic Lymphoma", "Stage IV Adult Burkitt Lymphoma", "Stage IV Adult Diffuse Large Cell Lymphoma", "Stage IV Adult Diffuse Mixed Cell Lymphoma", "Stage IV Adult Diffuse Small Cleaved Cell Lymphoma", "Stage IV Adult Hodgkin Lymphoma", "Stage IV Adult Immunoblastic Large Cell Lymphoma", "Stage IV Adult Lymphoblastic Lymphoma", "Stage IV Adult T-cell Leukemia/Lymphoma", "Stage IV Cutaneous T-cell Non-Hodgkin Lymphoma", "Stage IV Grade 1 Follicular Lymphoma", "Stage IV Grade 2 Follicular Lymphoma", "Stage IV Grade 3 Follicular Lymphoma", "Stage IV Mantle Cell Lymphoma", "Stage IV Marginal Zone Lymphoma", "Stage IV Mycosis Fungoides/Sezary Syndrome", "Stage IV Small Lymphocytic Lymphoma", "Testicular Lymphoma", "Untreated Adult Acute Lymphoblastic Leukemia", "Untreated Adult Acute Myeloid Leukemia", "Waldenstrom Macroglobulinemia" ], "interventions": [ { "name": "deferasirox", "type": "DRUG" }, { "name": "laboratory biomarker analysis", "type": "OTHER" }, { "name": "enzyme-linked immunosorbent assay", "type": "OTHER" } ], "intervention_types": [ "DRUG", "OTHER" ], "sponsor": "Wake Forest University Health Sciences", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 16, "start_date": "2011-01", "completion_date": "2014-12", "has_results": true, "last_update_posted_date": "2018-09-07", "last_synced_at": "2026-10-15T05:20:52.195Z", "location_count": 1, "location_summary": "Winston-Salem, North Carolina", "locations": [ { "city": "Winston-Salem", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT01273766" }, { "nct_id": "NCT02818764", "title": "Delirium, Intraoperative Cerebral Perfusion and EEG Abnormalities After Total Hip Arthroplasty", "overall_status": "TERMINATED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Delirium", "Hip Arthroplasty", "Elderly" ], "interventions": [ { "name": "Blood Draw", "type": "PROCEDURE" }, { "name": "Cerebral Spinal Fluid collection", "type": "PROCEDURE" }, { "name": "Electroencephalogram", "type": "DEVICE" }, { "name": "Cerebral blood flow and oxygen extraction fraction", "type": "DEVICE" } ], "intervention_types": [ "PROCEDURE", "DEVICE" ], "sponsor": "University of Pennsylvania", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "65 Years", "maximum_age": null, "sex": "ALL", "summary": "65 Years and older" }, "enrollment_count": 3, "start_date": "2016-06", "completion_date": "2020-12", "has_results": false, "last_update_posted_date": "2020-12-23", "last_synced_at": "2026-10-15T05:20:52.195Z", "location_count": 1, "location_summary": "Philadelphia, Pennsylvania", "locations": [ { "city": "Philadelphia", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT02818764" }, { "nct_id": "NCT02457663", "title": "Identification and Validation of Biomarkers for Infections in Burns", "overall_status": "TERMINATED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Burns Involving 20% or More of Body Surface" ], "interventions": [ { "name": "Blood Draw", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE" ], "sponsor": "The University of Texas Medical Branch, Galveston", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "18 Years to 80 Years" }, "enrollment_count": 19, "start_date": "2015-04", "completion_date": "2019-07-11", "has_results": false, "last_update_posted_date": "2019-09-24", "last_synced_at": "2026-10-15T05:20:52.195Z", "location_count": 3, "location_summary": "Dallas, Texas • Fort Sam Houston, Texas • Houston, Texas", "locations": [ { "city": "Dallas", "state": "Texas" }, { "city": "Fort Sam Houston", "state": "Texas" }, { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT02457663" } ] }