{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tumor+markers&page=3", "query": { "intervention": "Tumor markers", "page": 3 }, "page_size": 10 }, "pagination": { "page": 3, "page_size": 10, "total_count": 361, "total_pages": 37, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tumor+markers&page=4&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tumor+markers&page=2&page_size=10" }, "source": "remote", "last_synced_at": "2026-11-15T11:08:49.213Z", "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": "NCT00003759", "title": "AD 32 With or Without BCG After Surgery in Treating Patients With Newly Diagnosed or Recurrent Superficial Bladder Cancer", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Bladder Cancer" ], "interventions": [ { "name": "BCG vaccine", "type": "BIOLOGICAL" }, { "name": "valrubicin", "type": "DRUG" }, { "name": "conventional surgery", "type": "PROCEDURE" } ], "intervention_types": [ "BIOLOGICAL", "DRUG", "PROCEDURE" ], "sponsor": "Anthra Pharmaceuticals", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": null, "start_date": "1998-11", "completion_date": "2002-11", "has_results": false, "last_update_posted_date": "2013-01-31", "last_synced_at": "2026-11-15T11:08:49.213Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00003759" }, { "nct_id": "NCT03014518", "title": "Biomarkers as Predictors of Suicidal Risk in Adolescents", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Suicide, Attempted", "Suicidal Ideation", "Suicidal Intention", "Suicide" ], "interventions": [ { "name": "Clinical assessments and blood samples; follow-up for 12 mos", "type": "OTHER" }, { "name": "Clinical assessments and blood samples; no 12mo follow-up", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "The Cleveland Clinic", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "12 Years", "maximum_age": "18 Years", "sex": "ALL", "summary": "12 Years to 18 Years" }, "enrollment_count": 80, "start_date": "2016-12", "completion_date": "2021-06-28", "has_results": false, "last_update_posted_date": "2021-07-16", "last_synced_at": "2026-11-15T11:08:49.213Z", "location_count": 1, "location_summary": "Cleveland, Ohio", "locations": [ { "city": "Cleveland", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT03014518" }, { "nct_id": "NCT07243015", "title": "Detection of Minimal Residual Disease Using Exosomal miRNA Distant Metastasis Markers", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Gastric Cancer" ], "interventions": [ { "name": "small RNA-seq or array", "type": "DIAGNOSTIC_TEST" }, { "name": "ENLIGHT Assay", "type": "DIAGNOSTIC_TEST" } ], "intervention_types": [ "DIAGNOSTIC_TEST" ], "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": 500, "start_date": "2025-01-15", "completion_date": "2028-06-18", "has_results": false, "last_update_posted_date": "2026-07-06", "last_synced_at": "2026-11-15T11:08:49.213Z", "location_count": 1, "location_summary": "Duarte, California", "locations": [ { "city": "Duarte", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT07243015" }, { "nct_id": "NCT00595296", "title": "GeneSearch™ Breast Lymph Node (BLN) Assay Post Approval Study", "overall_status": "TERMINATED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Breast Cancer" ], "interventions": [ { "name": "GeneSearch™ Breast Lymph Node (BLN) Assay", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Janssen Diagnostics, LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 461, "start_date": "2007-12", "completion_date": "2009-12", "has_results": false, "last_update_posted_date": "2016-01-12", "last_synced_at": "2026-11-15T11:08:49.213Z", "location_count": 6, "location_summary": "Los Angeles, California • Washington D.C., District of Columbia • Clearwater, Florida + 3 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "Washington D.C.", "state": "District of Columbia" }, { "city": "Clearwater", "state": "Florida" }, { "city": "St. Petersburg", "state": "Florida" }, { "city": "Augusta", "state": "Georgia" } ], "official_url": "https://clinicaltrials.gov/study/NCT00595296" }, { "nct_id": "NCT00900302", "title": "OX-40 Protein Expression in the Sentinel Lymph Nodes of Patients With Cancer", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Cancer" ], "interventions": [ { "name": "protein expression analysis", "type": "GENETIC" }, { "name": "immunohistochemistry staining method", "type": "OTHER" }, { "name": "laboratory biomarker analysis", "type": "OTHER" }, { "name": "biopsy", "type": "PROCEDURE" } ], "intervention_types": [ "GENETIC", "OTHER", "PROCEDURE" ], "sponsor": "OHSU Knight Cancer Institute", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": "120 Years", "sex": "ALL", "summary": "Up to 120 Years" }, "enrollment_count": 98, "start_date": "2005-04", "completion_date": "2011-03", "has_results": false, "last_update_posted_date": "2016-02-10", "last_synced_at": "2026-11-15T11:08:49.213Z", "location_count": 1, "location_summary": "Portland, Oregon", "locations": [ { "city": "Portland", "state": "Oregon" } ], "official_url": "https://clinicaltrials.gov/study/NCT00900302" }, { "nct_id": "NCT03657628", "title": "Physical Activity, Proliferation and Immune Markers in Benign Breast Tissue", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Breast Cancer" ], "interventions": [ { "name": "Exercise Intervention", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Dana-Farber Cancer Institute", "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": 60, "start_date": "2018-09-17", "completion_date": "2027-12-31", "has_results": false, "last_update_posted_date": "2026-10-26", "last_synced_at": "2026-11-15T11:08:49.213Z", "location_count": 1, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT03657628" }, { "nct_id": "NCT00099541", "title": "Non-small Cell Lung Cancer Registry", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Non-Small-Cell Lung Cancer", "Pleural Effusion, Malignant" ], "interventions": [ { "name": "zoledronic acid", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Novartis Pharmaceuticals", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 300, "start_date": "2004-11", "completion_date": "2007-11", "has_results": false, "last_update_posted_date": "2009-11-23", "last_synced_at": "2026-11-15T11:08:49.213Z", "location_count": 101, "location_summary": "Birmingham, Alabama • Fort Smith, Arkansas • Anaheim, California + 93 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Fort Smith", "state": "Arkansas" }, { "city": "Anaheim", "state": "California" }, { "city": "Concord", "state": "California" }, { "city": "Fresno", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00099541" }, { "nct_id": "NCT00595023", "title": "GeneSearch Breast Lymph Node (BLN) Assay Timing Study", "overall_status": "TERMINATED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Breast Cancer" ], "interventions": [ { "name": "GeneSearch™ Breast Lymph Node (BLN) Assay", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Janssen Diagnostics, LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 233, "start_date": "2007-12", "completion_date": "2009-12", "has_results": false, "last_update_posted_date": "2016-01-12", "last_synced_at": "2026-11-15T11:08:49.213Z", "location_count": 6, "location_summary": "Los Angeles, California • Washington D.C., District of Columbia • Clearwater, Florida + 3 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "Washington D.C.", "state": "District of Columbia" }, { "city": "Clearwater", "state": "Florida" }, { "city": "St. Petersburg", "state": "Florida" }, { "city": "Augusta", "state": "Georgia" } ], "official_url": "https://clinicaltrials.gov/study/NCT00595023" }, { "nct_id": "NCT01294280", "title": "Biomarkers in Predicting Response in Patients With Early-Stage Non-Small Cell Lung Cancer Previously Treated With Adjuvant Chemotherapy", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Lung Cancer" ], "interventions": [ { "name": "Laboratory Biomarker Analysis", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Alliance for Clinical Trials in Oncology", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 241, "start_date": "2008-07", "completion_date": "2016-02-02", "has_results": false, "last_update_posted_date": "2021-01-20", "last_synced_at": "2026-11-15T11:08:49.213Z", "location_count": 1, "location_summary": "Syracuse, New York", "locations": [ { "city": "Syracuse", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT01294280" }, { "nct_id": "NCT07224841", "title": "Development of a cfDNA 5mC/5hmC-based Biomarker Panel to Predict Targeted Therapy Efficacy in mCRC", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "CRC (Colorectal Cancer)" ], "interventions": [ { "name": "cfDNA 5mC/5hmC Sequencing (EpiDRIVE Discovery Phase)", "type": "DIAGNOSTIC_TEST" }, { "name": "EpiDRIVE Assay (Targeted Sequencing / qPCR Validation)", "type": "DIAGNOSTIC_TEST" } ], "intervention_types": [ "DIAGNOSTIC_TEST" ], "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": 500, "start_date": "2024-06-21", "completion_date": "2028-06-18", "has_results": false, "last_update_posted_date": "2026-07-07", "last_synced_at": "2026-11-15T11:08:49.213Z", "location_count": 1, "location_summary": "Duarte, California", "locations": [ { "city": "Duarte", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT07224841" } ] }