{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+samples+%28biomarkers%29&page=3", "query": { "intervention": "blood samples (biomarkers)", "page": 3 }, "page_size": 10 }, "pagination": { "page": 3, "page_size": 10, "total_count": 1740, "total_pages": 174, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+samples+%28biomarkers%29&page=4&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=blood+samples+%28biomarkers%29&page=2&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-11T10:47:19.171Z", "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": "NCT03199651", "title": "Beating Lung Cancer in Ohio Protocol in Improving Survival in Patients With Stage IV Non-Small Cell Lung Cancer", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Cigarette Smoker", "Current Smoker", "Lung Adenocarcinoma", "Squamous Cell Lung Carcinoma", "Stage IV Non-Small Cell Lung Cancer" ], "interventions": [ { "name": "Best Practice", "type": "OTHER" }, { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Laboratory Biomarker Analysis", "type": "OTHER" }, { "name": "Medical Chart Review", "type": "OTHER" }, { "name": "Quality-of-Life Assessment", "type": "OTHER" }, { "name": "Questionnaire Administration", "type": "OTHER" }, { "name": "Smoking Cessation Intervention", "type": "BEHAVIORAL" } ], "intervention_types": [ "OTHER", "PROCEDURE", "BEHAVIORAL" ], "sponsor": "Ohio State University Comprehensive Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 3584, "start_date": "2017-07-17", "completion_date": "2028-12-31", "has_results": false, "last_update_posted_date": "2026-06-17", "last_synced_at": "2026-10-11T10:47:19.171Z", "location_count": 1, "location_summary": "Columbus, Ohio", "locations": [ { "city": "Columbus", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT03199651" }, { "nct_id": "NCT07447531", "title": "T2 Star Magnetic Resonance Imaging and Biomarker Blood Testing to Predict the Change and Progress of Malignant Gliomas", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Malignant Glioma" ], "interventions": [ { "name": "T2 (Observed)-Weighted Imaging", "type": "PROCEDURE" }, { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Magnetic Resonance Imaging", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE" ], "sponsor": "John M. Buatti", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "21 Years", "maximum_age": null, "sex": "ALL", "summary": "21 Years and older" }, "enrollment_count": 15, "start_date": "2025-10-03", "completion_date": "2028-10-06", "has_results": false, "last_update_posted_date": "2026-03-03", "last_synced_at": "2026-10-11T10:47:19.171Z", "location_count": 1, "location_summary": "Iowa City, Iowa", "locations": [ { "city": "Iowa City", "state": "Iowa" } ], "official_url": "https://clinicaltrials.gov/study/NCT07447531" }, { "nct_id": "NCT01476839", "title": "Radiolabeled Monoclonal Antibody Therapy and Combination Chemotherapy Before Stem Cell Transplant in Treating Patients With Primary Refractory or Relapsed Hodgkin Lymphoma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Recurrent Adult Hodgkin Lymphoma" ], "interventions": [ { "name": "basiliximab", "type": "BIOLOGICAL" }, { "name": "carmustine", "type": "DRUG" }, { "name": "etoposide", "type": "DRUG" }, { "name": "cytarabine", "type": "DRUG" }, { "name": "melphalan", "type": "DRUG" }, { "name": "pharmacological study", "type": "OTHER" }, { "name": "laboratory biomarker analysis", "type": "OTHER" }, { "name": "autologous hematopoietic stem cell transplantation", "type": "PROCEDURE" }, { "name": "yttrium Y 90-labeled basiliximab", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL", "DRUG", "OTHER", "PROCEDURE" ], "sponsor": "City of Hope Medical Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "70 Years", "sex": "ALL", "summary": "18 Years to 70 Years" }, "enrollment_count": 25, "start_date": "2012-11-09", "completion_date": "2024-05-31", "has_results": false, "last_update_posted_date": "2025-03-20", "last_synced_at": "2026-10-11T10:47:19.171Z", "location_count": 1, "location_summary": "Duarte, California", "locations": [ { "city": "Duarte", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01476839" }, { "nct_id": "NCT00397813", "title": "Fludarabine Phosphate and Total Body Irradiation Followed by a Donor Peripheral Stem Cell Transplant in Treating Patients With Myelodysplastic Syndromes or Myeloproliferative Disorders", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Atypical Chronic Myeloid Leukemia, BCR-ABL1 Negative", "Chronic Myelomonocytic Leukemia", "de Novo Myelodysplastic Syndrome", "Essential Thrombocythemia", "Myeloproliferative Neoplasm", "Paroxysmal Nocturnal Hemoglobinuria", "Polycythemia Vera", "Polycythemia Vera, Post-Polycythemic Myelofibrosis Phase", "Primary Myelofibrosis", "Refractory Anemia", "Refractory Anemia With Excess Blasts", "Refractory Anemia With Ring Sideroblasts", "Refractory Cytopenia With Multilineage Dysplasia", "Refractory Cytopenia With Multilineage Dysplasia and Ring Sideroblasts" ], "interventions": [ { "name": "Cyclosporine", "type": "DRUG" }, { "name": "Fludarabine Phosphate", "type": "DRUG" }, { "name": "Laboratory Biomarker Analysis", "type": "OTHER" }, { "name": "Mycophenolate Mofetil", "type": "DRUG" }, { "name": "Nonmyeloablative Allogeneic Hematopoietic Stem Cell Transplantation", "type": "PROCEDURE" }, { "name": "Peripheral Blood Stem Cell Transplantation", "type": "PROCEDURE" }, { "name": "Total-Body Irradiation", "type": "RADIATION" } ], "intervention_types": [ "DRUG", "OTHER", "PROCEDURE", "RADIATION" ], "sponsor": "Fred Hutchinson Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "50 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "50 Years to 75 Years" }, "enrollment_count": 77, "start_date": "2006-01", "completion_date": "2018-03", "has_results": true, "last_update_posted_date": "2020-01-31", "last_synced_at": "2026-10-11T10:47:19.171Z", "location_count": 3, "location_summary": "Salt Lake City, Utah • Seattle, Washington", "locations": [ { "city": "Salt Lake City", "state": "Utah" }, { "city": "Seattle", "state": "Washington" }, { "city": "Seattle", "state": "Washington" } ], "official_url": "https://clinicaltrials.gov/study/NCT00397813" }, { "nct_id": "NCT01692353", "title": "Cardiovascular Disease Biomarkers in Smokers and Moist Snuff Consumers", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Cardiovascular Disease", "Cigarette Smoking" ], "interventions": [ { "name": "Subject's usual brand (UB) tobacco product", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "R.J. Reynolds Tobacco Company", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "26 Years", "maximum_age": "49 Years", "sex": "MALE", "summary": "26 Years to 49 Years · Male only" }, "enrollment_count": 168, "start_date": "2008-09", "completion_date": "2009-04", "has_results": false, "last_update_posted_date": "2016-02-17", "last_synced_at": "2026-10-11T10:47:19.171Z", "location_count": 1, "location_summary": "Lincoln, Nebraska", "locations": [ { "city": "Lincoln", "state": "Nebraska" } ], "official_url": "https://clinicaltrials.gov/study/NCT01692353" }, { "nct_id": "NCT00060372", "title": "Ipilimumab After Allogeneic Stem Cell Transplant in Treating Patients With Persistent or Progressive Cancer", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Adult Acute Myeloid Leukemia With 11q23 (MLL) Abnormalities", "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)", "Atypical Chronic Myeloid Leukemia, BCR-ABL1 Negative", "Childhood Myelodysplastic Syndromes", "Chronic Myelogenous Leukemia, BCR-ABL1 Positive", "Disseminated Neuroblastoma", "Malignant Neoplasm", "Ovarian Choriocarcinoma", "Ovarian Embryonal Carcinoma", "Ovarian Immature Teratoma", "Ovarian Mature Teratoma", "Ovarian Mixed Germ Cell Tumor", "Ovarian Monodermal and Highly Specialized Teratoma", "Ovarian Polyembryoma", "Ovarian Yolk Sac Tumor", "Previously Treated Myelodysplastic Syndromes", "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 Hodgkin Lymphoma", "Recurrent Adult Immunoblastic Large Cell Lymphoma", "Recurrent Adult Lymphoblastic Lymphoma", "Recurrent Grade 3 Follicular Lymphoma", "Recurrent Malignant Testicular Germ Cell Tumor", "Recurrent Mantle Cell Lymphoma", "Recurrent Neuroblastoma", "Recurrent Ovarian Epithelial Cancer", "Recurrent Ovarian Germ Cell Tumor", "Refractory Chronic Lymphocytic Leukemia", "Refractory Multiple Myeloma", "Relapsing Chronic Myelogenous Leukemia", "Stage I Multiple Myeloma", "Stage II Multiple Myeloma", "Stage II Ovarian Epithelial Cancer", "Stage III Malignant Testicular Germ Cell Tumor", "Stage III Multiple Myeloma", "Stage III Ovarian Epithelial Cancer", "Stage IIIA Breast Cancer", "Stage IIIB Breast Cancer", "Stage IIIC Breast Cancer", "Stage IV Breast Cancer", "Stage IV Ovarian Epithelial Cancer", "Testicular Choriocarcinoma", "Testicular Choriocarcinoma and Embryonal Carcinoma", "Testicular Choriocarcinoma and Seminoma", "Testicular Choriocarcinoma and Teratoma", "Testicular Choriocarcinoma and Yolk Sac Tumor", "Testicular Embryonal Carcinoma", "Testicular Embryonal Carcinoma and Seminoma", "Testicular Embryonal Carcinoma and Teratoma", "Testicular Embryonal Carcinoma and Teratoma With Seminoma", "Testicular Embryonal Carcinoma and Yolk Sac Tumor", "Testicular Embryonal Carcinoma and Yolk Sac Tumor With Seminoma", "Testicular Teratoma", "Testicular Yolk Sac Tumor", "Testicular Yolk Sac Tumor and Teratoma", "Testicular Yolk Sac Tumor and Teratoma With Seminoma" ], "interventions": [ { "name": "ipilimumab", "type": "DRUG" }, { "name": "therapeutic allogeneic lymphocytes", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "National Cancer Institute (NCI)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 21, "start_date": "2003-04", "completion_date": null, "has_results": false, "last_update_posted_date": "2013-03-27", "last_synced_at": "2026-10-11T10:47:19.171Z", "location_count": 5, "location_summary": "La Jolla, California • Atlanta, Georgia • Boston, Massachusetts", "locations": [ { "city": "La Jolla", "state": "California" }, { "city": "La Jolla", "state": "California" }, { "city": "Atlanta", "state": "Georgia" }, { "city": "Atlanta", "state": "Georgia" }, { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT00060372" }, { "nct_id": "NCT02808494", "title": "Development of a Next Generation Sequencing (NGS) -Based Assay to Detect Preeclampsia Molecular Markers", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Preeclampsia" ], "interventions": [], "intervention_types": [], "sponsor": "Illumina, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "FEMALE", "summary": "18 Years and older · Female only" }, "enrollment_count": 242, "start_date": "2016-03", "completion_date": "2017-11-20", "has_results": false, "last_update_posted_date": "2022-04-29", "last_synced_at": "2026-10-11T10:47:19.171Z", "location_count": 10, "location_summary": "Newark, Delaware • Boston, Massachusetts • New Brunswick, New Jersey + 6 more", "locations": [ { "city": "Newark", "state": "Delaware" }, { "city": "Boston", "state": "Massachusetts" }, { "city": "New Brunswick", "state": "New Jersey" }, { "city": "Piscataway", "state": "New Jersey" }, { "city": "Sewell", "state": "New Jersey" } ], "official_url": "https://clinicaltrials.gov/study/NCT02808494" }, { "nct_id": "NCT03373305", "title": "Brentuximab Vedotin and Lenalidomide in Treating Patients With Relapsed or Refractory T-Cell Lymphomas", "overall_status": "WITHDRAWN", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "CD30-Positive Neoplastic Cells Present", "Folliculotropic Mycosis Fungoides", "Recurrent Mycosis Fungoides", "Recurrent Primary Cutaneous T-Cell Non-Hodgkin Lymphoma", "Refractory Mycosis Fungoides", "Refractory Primary Cutaneous T-Cell Non-Hodgkin Lymphoma", "Sezary Syndrome" ], "interventions": [ { "name": "Brentuximab Vedotin", "type": "DRUG" }, { "name": "Lenalidomide", "type": "DRUG" }, { "name": "Laboratory Biomarker Analysis", "type": "OTHER" } ], "intervention_types": [ "DRUG", "OTHER" ], "sponsor": "City of Hope 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": 0, "start_date": "2019-03", "completion_date": "2019-04-26", "has_results": false, "last_update_posted_date": "2019-04-30", "last_synced_at": "2026-10-11T10:47:19.171Z", "location_count": 1, "location_summary": "Duarte, California", "locations": [ { "city": "Duarte", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT03373305" }, { "nct_id": "NCT00871481", "title": "Laboratory-Treated T Cells and Ipilimumab in Treating Patients With Metastatic Melanoma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Recurrent Melanoma", "Stage IV Melanoma" ], "interventions": [ { "name": "ipilimumab", "type": "BIOLOGICAL" }, { "name": "cyclophosphamide", "type": "DRUG" }, { "name": "biopsy", "type": "PROCEDURE" }, { "name": "aldesleukin", "type": "BIOLOGICAL" }, { "name": "immunohistochemistry staining method", "type": "OTHER" }, { "name": "polymerase chain reaction", "type": "GENETIC" }, { "name": "immunoenzyme technique", "type": "OTHER" }, { "name": "therapeutic cytotoxic T lymphocytes", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL", "DRUG", "PROCEDURE", "OTHER", "GENETIC" ], "sponsor": "Fred Hutchinson Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 10, "start_date": "2009-02", "completion_date": "2013-10", "has_results": false, "last_update_posted_date": "2017-04-19", "last_synced_at": "2026-10-11T10:47:19.171Z", "location_count": 1, "location_summary": "Seattle, Washington", "locations": [ { "city": "Seattle", "state": "Washington" } ], "official_url": "https://clinicaltrials.gov/study/NCT00871481" }, { "nct_id": "NCT00410956", "title": "Floxuridine and Dexamethasone as a Hepatic Arterial Infusion and Bevacizumab in Treating Patients With Primary Liver Cancer That Cannot be Removed by Surgery", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Liver Cancer" ], "interventions": [ { "name": "bevacizumab", "type": "BIOLOGICAL" }, { "name": "dexamethasone", "type": "DRUG" }, { "name": "floxuridine", "type": "DRUG" }, { "name": "protein expression analysis", "type": "GENETIC" }, { "name": "flow cytometry", "type": "OTHER" }, { "name": "immunoenzyme technique", "type": "OTHER" }, { "name": "immunohistochemistry staining method", "type": "OTHER" }, { "name": "immunologic technique", "type": "OTHER" }, { "name": "laboratory biomarker analysis", "type": "OTHER" }, { "name": "dynamic contrast-enhanced magnetic resonance imaging", "type": "PROCEDURE" } ], "intervention_types": [ "BIOLOGICAL", "DRUG", "GENETIC", "OTHER", "PROCEDURE" ], "sponsor": "Memorial Sloan Kettering Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "120 Years", "sex": "ALL", "summary": "18 Years to 120 Years" }, "enrollment_count": 22, "start_date": "2007-05-09", "completion_date": "2024-05-07", "has_results": true, "last_update_posted_date": "2024-12-10", "last_synced_at": "2026-10-11T10:47:19.171Z", "location_count": 2, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" }, { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT00410956" } ] }