{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=External+Beam+Radiation+Therapy+%28RT%29&page=6", "query": { "intervention": "External Beam Radiation Therapy (RT)", "page": 6 }, "page_size": 10 }, "pagination": { "page": 6, "page_size": 10, "total_count": 146, "total_pages": 15, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=External+Beam+Radiation+Therapy+%28RT%29&page=7&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=External+Beam+Radiation+Therapy+%28RT%29&page=5&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-07T11:39:41.427Z", "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": "NCT02245997", "title": "Local Control With Reduced-dose Radiotherapy for High-Risk Neuroblastoma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "EARLY_PHASE1" ], "conditions": [ "Neuroblastoma" ], "interventions": [ { "name": "External beam radiotherapy", "type": "RADIATION" }, { "name": "proton beam RT", "type": "RADIATION" } ], "intervention_types": [ "RADIATION" ], "sponsor": "Memorial Sloan Kettering Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "12 Months", "maximum_age": "18 Years", "sex": "ALL", "summary": "12 Months to 18 Years" }, "enrollment_count": 78, "start_date": "2014-09", "completion_date": "2025-05-01", "has_results": false, "last_update_posted_date": "2025-09-29", "last_synced_at": "2026-10-07T11:39:41.427Z", "location_count": 1, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT02245997" }, { "nct_id": "NCT03942328", "title": "Modified Immune Cells (Autologous Dendritic Cells) and a Vaccine (Prevnar) Combined With Immune Checkpoint Inhibition After High-Dose External Beam Radiation Therapy in Treating Patients With Unresectable Liver Cancer", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Stage III Hepatocellular Carcinoma AJCC v8", "Stage III Intrahepatic Cholangiocarcinoma AJCC v8", "Stage IV Hepatocellular Carcinoma AJCC v8", "Stage IV Intrahepatic Cholangiocarcinoma AJCC v8", "Unresectable Hepatocellular Carcinoma", "Unresectable Intrahepatic Cholangiocarcinoma" ], "interventions": [ { "name": "Atezolizumab", "type": "BIOLOGICAL" }, { "name": "Bevacizumab", "type": "BIOLOGICAL" }, { "name": "External Beam Radiation Therapy", "type": "RADIATION" }, { "name": "Pheresis", "type": "PROCEDURE" }, { "name": "Pneumococcal 13-valent Conjugate Vaccine", "type": "BIOLOGICAL" }, { "name": "Therapeutic Autologous Dendritic Cells", "type": "BIOLOGICAL" }, { "name": "Durvalumab", "type": "BIOLOGICAL" }, { "name": "Esophagogastroduodenoscopy", "type": "PROCEDURE" }, { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "Positron Emission Tomography", "type": "PROCEDURE" }, { "name": "Magnetic Resonance Imaging", "type": "PROCEDURE" }, { "name": "Biopsy Procedure", "type": "PROCEDURE" }, { "name": "Biospecimen Collection", "type": "PROCEDURE" } ], "intervention_types": [ "BIOLOGICAL", "RADIATION", "PROCEDURE" ], "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": 85, "start_date": "2019-09-19", "completion_date": "2030-08-31", "has_results": false, "last_update_posted_date": "2026-10-05", "last_synced_at": "2026-10-07T11:39:41.427Z", "location_count": 1, "location_summary": "Rochester, Minnesota", "locations": [ { "city": "Rochester", "state": "Minnesota" } ], "official_url": "https://clinicaltrials.gov/study/NCT03942328" }, { "nct_id": "NCT01507428", "title": "Positron Emission Tomography and Computed Tomography in Guiding Radiation Therapy for Stage III Non-small Cell Lung Cancer", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Stage III Lung Non-Small Cell Cancer AJCC v7", "Stage IIIA Lung Non-Small Cell Cancer AJCC v7", "Stage IIIB Lung Non-Small Cell Cancer AJCC v7" ], "interventions": [ { "name": "18F-Fluoromisonidazole", "type": "DRUG" }, { "name": "Carboplatin", "type": "DRUG" }, { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "External Beam Radiation Therapy", "type": "RADIATION" }, { "name": "Fludeoxyglucose F-18", "type": "DRUG" }, { "name": "Image-Guided Adaptive Radiation Therapy", "type": "RADIATION" }, { "name": "Laboratory Biomarker Analysis", "type": "OTHER" }, { "name": "Paclitaxel", "type": "DRUG" }, { "name": "Positron Emission Tomography", "type": "PROCEDURE" } ], "intervention_types": [ "DRUG", "PROCEDURE", "RADIATION", "OTHER" ], "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": 138, "start_date": "2012-02-22", "completion_date": "2022-05-20", "has_results": true, "last_update_posted_date": "2026-04-21", "last_synced_at": "2026-10-07T11:39:41.427Z", "location_count": 29, "location_summary": "Palo Alto, California • Augusta, Georgia • Chicago, Illinois + 23 more", "locations": [ { "city": "Palo Alto", "state": "California" }, { "city": "Augusta", "state": "Georgia" }, { "city": "Chicago", "state": "Illinois" }, { "city": "Indianapolis", "state": "Indiana" }, { "city": "Louisville", "state": "Kentucky" } ], "official_url": "https://clinicaltrials.gov/study/NCT01507428" }, { "nct_id": "NCT01295502", "title": "Cisplatin and Radiation Therapy Followed by Paclitaxel and Carboplatin in Treating Patients With Stage IB-IVA Cervical Cancer", "overall_status": "UNKNOWN", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Cervical Adenocarcinoma", "Cervical Adenosquamous Carcinoma", "Cervical Squamous Cell Carcinoma, Not Otherwise Specified", "Stage IB Cervical Cancer AJCC v6 and v7", "Stage IIA Cervical Cancer AJCC v7", "Stage IIB Cervical Cancer AJCC v6 and v7", "Stage IIIA Cervical Cancer AJCC v6 and v7", "Stage IIIB Cervical Cancer AJCC v6 and v7", "Stage IVA Cervical Cancer AJCC v6 and v7" ], "interventions": [ { "name": "Carboplatin", "type": "DRUG" }, { "name": "Cisplatin", "type": "DRUG" }, { "name": "External Beam Radiation Therapy", "type": "RADIATION" }, { "name": "Internal Radiation Therapy", "type": "RADIATION" }, { "name": "Paclitaxel", "type": "DRUG" } ], "intervention_types": [ "DRUG", "RADIATION" ], "sponsor": "Gynecologic Oncology Group", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "FEMALE", "summary": "18 Years and older · Female only" }, "enrollment_count": 45, "start_date": "2011-04-04", "completion_date": null, "has_results": false, "last_update_posted_date": "2019-03-12", "last_synced_at": "2026-10-07T11:39:41.427Z", "location_count": 14, "location_summary": "Orange, California • Hartford, Connecticut • New Britain, Connecticut + 9 more", "locations": [ { "city": "Orange", "state": "California" }, { "city": "Hartford", "state": "Connecticut" }, { "city": "New Britain", "state": "Connecticut" }, { "city": "Augusta", "state": "Georgia" }, { "city": "Iowa City", "state": "Iowa" } ], "official_url": "https://clinicaltrials.gov/study/NCT01295502" }, { "nct_id": "NCT01041027", "title": "Radiation Therapy, Paclitaxel, and Carboplatin in Treating Patients With High-Risk Endometrial Cancer", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Endometrial Adenocarcinoma", "Stage IA Uterine Corpus Cancer", "Stage IB Uterine Corpus Cancer", "Stage II Uterine Corpus Cancer", "Stage IIIA Uterine Corpus Cancer", "Stage IIIB Uterine Corpus Cancer", "Stage IIIC Uterine Corpus Cancer", "Stage IVA Uterine Corpus Cancer", "Stage IVB Uterine Corpus Cancer" ], "interventions": [ { "name": "Paclitaxel", "type": "DRUG" }, { "name": "Carboplatin", "type": "DRUG" }, { "name": "Internal Radiation Therapy", "type": "RADIATION" }, { "name": "External Beam Radiation Therapy", "type": "RADIATION" }, { "name": "Laboratory Biomarker Analysis", "type": "OTHER" } ], "intervention_types": [ "DRUG", "RADIATION", "OTHER" ], "sponsor": "Albert Einstein College of Medicine", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "FEMALE", "summary": "18 Years and older · Female only" }, "enrollment_count": 31, "start_date": "2009-01-16", "completion_date": "2019-10-01", "has_results": true, "last_update_posted_date": "2023-10-26", "last_synced_at": "2026-10-07T11:39:41.427Z", "location_count": 1, "location_summary": "The Bronx, New York", "locations": [ { "city": "The Bronx", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT01041027" }, { "nct_id": "NCT01266642", "title": "Hypofractionated Radiation Therapy or Standard Radiation Therapy in Treating Patients With Ductal Breast Carcinoma In Situ or Early Invasive Breast Cancer", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Ductal Breast Carcinoma In Situ", "Invasive Breast Carcinoma", "Stage I Breast Cancer AJCC v6", "Stage IA Breast Cancer AJCC v7", "Stage IB Breast Cancer AJCC v7", "Stage II Breast Cancer AJCC v6 and v7", "Stage IIA Breast Cancer AJCC v6 and v7", "Stage IIB Breast Cancer AJCC v6 and v7" ], "interventions": [ { "name": "External Beam Radiation Therapy", "type": "RADIATION" }, { "name": "Hypofractionated Radiation Therapy", "type": "RADIATION" }, { "name": "Laboratory Biomarker Analysis", "type": "OTHER" }, { "name": "Quality-of-Life Assessment", "type": "OTHER" }, { "name": "Questionnaire Administration", "type": "OTHER" }, { "name": "Whole Breast Irradiation", "type": "RADIATION" } ], "intervention_types": [ "RADIATION", "OTHER" ], "sponsor": "M.D. Anderson Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "40 Years", "maximum_age": null, "sex": "FEMALE", "summary": "40 Years and older · Female only" }, "enrollment_count": 301, "start_date": "2011-02-08", "completion_date": "2040-11-30", "has_results": true, "last_update_posted_date": "2026-08-17", "last_synced_at": "2026-10-07T11:39:41.427Z", "location_count": 7, "location_summary": "Gilbert, Arizona • Orlando, Florida • Conroe, Texas + 3 more", "locations": [ { "city": "Gilbert", "state": "Arizona" }, { "city": "Orlando", "state": "Florida" }, { "city": "Conroe", "state": "Texas" }, { "city": "Houston", "state": "Texas" }, { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT01266642" }, { "nct_id": "NCT01893307", "title": "Intensity-Modulated Proton Beam Therapy or Intensity-Modulated Photon Therapy in Treating Patients With Stage III-IVB Oropharyngeal Cancer", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Stage III Oropharyngeal Squamous Cell Carcinoma AJCC v7", "Stage IVA Oropharyngeal Squamous Cell Carcinoma AJCC v7", "Stage IVB Oropharyngeal Squamous Cell Carcinoma AJCC v7" ], "interventions": [ { "name": "Intensity-Modulated Radiation Therapy", "type": "RADIATION" }, { "name": "Laboratory Biomarker Analysis", "type": "OTHER" }, { "name": "Photon Beam Radiation Therapy", "type": "RADIATION" }, { "name": "Proton Beam Radiation Therapy", "type": "RADIATION" }, { "name": "Quality-of-Life Assessment", "type": "OTHER" } ], "intervention_types": [ "RADIATION", "OTHER" ], "sponsor": "M.D. Anderson 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": 440, "start_date": "2013-08-26", "completion_date": "2031-12-31", "has_results": false, "last_update_posted_date": "2026-08-21", "last_synced_at": "2026-10-07T11:39:41.427Z", "location_count": 22, "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Gainesville, Florida + 17 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Scottsdale", "state": "Arizona" }, { "city": "Gainesville", "state": "Florida" }, { "city": "Miami", "state": "Florida" }, { "city": "Atlanta", "state": "Georgia" } ], "official_url": "https://clinicaltrials.gov/study/NCT01893307" }, { "nct_id": "NCT03180268", "title": "Observation or Radiation Therapy in Treating Patients With Newly Diagnosed Grade II Meningioma That Has Been Completely Removed by Surgery", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Grade 2 Meningioma", "Intracranial Meningioma" ], "interventions": [ { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Clinical Observation", "type": "OTHER" }, { "name": "Intensity-Modulated Radiation Therapy", "type": "RADIATION" }, { "name": "Laboratory Biomarker Analysis", "type": "OTHER" }, { "name": "Magnetic Resonance Imaging", "type": "PROCEDURE" }, { "name": "Proton Beam Radiation Therapy", "type": "RADIATION" }, { "name": "Quality-of-Life Assessment", "type": "OTHER" } ], "intervention_types": [ "PROCEDURE", "OTHER", "RADIATION" ], "sponsor": "NRG Oncology", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 162, "start_date": "2017-09-12", "completion_date": "2032-06-15", "has_results": false, "last_update_posted_date": "2026-10-02", "last_synced_at": "2026-10-07T11:39:41.427Z", "location_count": 198, "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 162 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Scottsdale", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" } ], "official_url": "https://clinicaltrials.gov/study/NCT03180268" }, { "nct_id": "NCT00231842", "title": "Adjuvant Radiation Therapy With Ifosfamide in Patients With Mixed Mesodermal Tumors of the Uterus", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Uterine Cancer" ], "interventions": [ { "name": "Ifosfamide", "type": "DRUG" }, { "name": "Radiation Therapy", "type": "DEVICE" }, { "name": "Cisplatin", "type": "DRUG" } ], "intervention_types": [ "DRUG", "DEVICE" ], "sponsor": "Montefiore Medical Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "FEMALE", "summary": "18 Years and older · Female only" }, "enrollment_count": 30, "start_date": "2003-02", "completion_date": "2011-07", "has_results": true, "last_update_posted_date": "2019-01-23", "last_synced_at": "2026-10-07T11:39:41.427Z", "location_count": 1, "location_summary": "The Bronx, New York", "locations": [ { "city": "The Bronx", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT00231842" }, { "nct_id": "NCT03801876", "title": "Comparing Proton Therapy to Photon Radiation Therapy for Esophageal Cancer", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Clinical Stage I Esophageal Adenocarcinoma AJCC v8", "Clinical Stage I Esophageal Squamous Cell Carcinoma AJCC v8", "Clinical Stage I Gastroesophageal Junction Adenocarcinoma AJCC v8", "Clinical Stage II Esophageal Adenocarcinoma AJCC v8", "Clinical Stage II Esophageal Squamous Cell Carcinoma AJCC v8", "Clinical Stage II Gastroesophageal Junction Adenocarcinoma AJCC v8", "Clinical Stage III Esophageal Adenocarcinoma AJCC v8", "Clinical Stage III Esophageal Squamous Cell Carcinoma AJCC v8", "Clinical Stage III Gastroesophageal Junction Adenocarcinoma AJCC v8", "Clinical Stage IVA Esophageal Adenocarcinoma AJCC v8", "Clinical Stage IVA Esophageal Squamous Cell Carcinoma AJCC v8", "Clinical Stage IVA Gastroesophageal Junction Adenocarcinoma AJCC v8", "Thoracic Esophagus Squamous Cell Carcinoma" ], "interventions": [ { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Capecitabine", "type": "DRUG" }, { "name": "Carboplatin", "type": "DRUG" }, { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "Docetaxel", "type": "DRUG" }, { "name": "Esophagectomy", "type": "PROCEDURE" }, { "name": "Fluorouracil", "type": "DRUG" }, { "name": "Intensity-Modulated Radiation Therapy", "type": "RADIATION" }, { "name": "Leucovorin Calcium", "type": "DRUG" }, { "name": "Oxaliplatin", "type": "DRUG" }, { "name": "Paclitaxel", "type": "DRUG" }, { "name": "Positron Emission Tomography", "type": "PROCEDURE" }, { "name": "Proton Beam Radiation Therapy", "type": "RADIATION" }, { "name": "Quality-of-Life Assessment", "type": "OTHER" }, { "name": "Questionnaire Administration", "type": "OTHER" } ], "intervention_types": [ "PROCEDURE", "DRUG", "RADIATION", "OTHER" ], "sponsor": "NRG Oncology", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 300, "start_date": "2019-06-26", "completion_date": "2036-11-07", "has_results": false, "last_update_posted_date": "2026-08-24", "last_synced_at": "2026-10-07T11:39:41.427Z", "location_count": 96, "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Little Rock, Arkansas + 77 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Scottsdale", "state": "Arizona" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Coral Gables", "state": "Florida" }, { "city": "Deerfield Beach", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT03801876" } ] }