{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Prostate+%2B+tumor+irradiation", "query": { "intervention": "Prostate + tumor irradiation" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 628, "total_pages": 63, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Prostate+%2B+tumor+irradiation&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-26T19:56:34.292Z", "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": "NCT00243048", "title": "Isoflavones and Radiation Therapy in Treating Patients With Localized Prostate Cancer", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Prostate Cancer" ], "interventions": [ { "name": "soy protein isolate", "type": "DIETARY_SUPPLEMENT" }, { "name": "radiation therapy", "type": "RADIATION" } ], "intervention_types": [ "DIETARY_SUPPLEMENT", "RADIATION" ], "sponsor": "Barbara Ann Karmanos Cancer Institute", "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": 70, "start_date": "2002-05", "completion_date": "2007-10", "has_results": false, "last_update_posted_date": "2013-04-05", "last_synced_at": "2026-09-26T19:56:34.292Z", "location_count": 1, "location_summary": "Detroit, Michigan", "locations": [ { "city": "Detroit", "state": "Michigan" } ], "official_url": "https://clinicaltrials.gov/study/NCT00243048" }, { "nct_id": "NCT05053152", "title": "Testing the Addition of the Drug Relugolix to the Usual Radiation Therapy for Advanced-Stage Prostate Cancer, The NRG Promethean Study", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Oligometastatic Prostate Carcinoma", "Prostate Adenocarcinoma", "Prostate Ductal Adenocarcinoma", "Prostate Intraductal Carcinoma", "Stage IVB Prostate Cancer AJCC v8" ], "interventions": [ { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Bone Scan", "type": "PROCEDURE" }, { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "Fluciclovine F18", "type": "OTHER" }, { "name": "Magnetic Resonance Imaging", "type": "PROCEDURE" }, { "name": "Placebo Administration", "type": "DRUG" }, { "name": "Positron Emission Tomography", "type": "PROCEDURE" }, { "name": "PSMA PET Scan", "type": "PROCEDURE" }, { "name": "Relugolix", "type": "DRUG" }, { "name": "Stereotactic Body Radiation Therapy", "type": "RADIATION" } ], "intervention_types": [ "PROCEDURE", "OTHER", "DRUG", "RADIATION" ], "sponsor": "NRG Oncology", "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": 194, "start_date": "2022-04-20", "completion_date": "2034-02-01", "has_results": false, "last_update_posted_date": "2026-08-17", "last_synced_at": "2026-09-26T19:56:34.292Z", "location_count": 242, "location_summary": "Phoenix, Arizona • Berkeley, California • Beverly Hills, California + 192 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Berkeley", "state": "California" }, { "city": "Beverly Hills", "state": "California" }, { "city": "Greenbrae", "state": "California" }, { "city": "Irvine", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT05053152" }, { "nct_id": "NCT03141671", "title": "Randomized Phase II Study of Salvage XRT + ADT +/- Abiraterone and Apalutamide for Rising PSA After RP (FORMULA-509)", "overall_status": "UNKNOWN", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Prostate Cancer" ], "interventions": [ { "name": "GnRH", "type": "DRUG" }, { "name": "Bicalutamide", "type": "DRUG" }, { "name": "Salvage radiation", "type": "RADIATION" }, { "name": "Abiraterone", "type": "DRUG" }, { "name": "Prednisone", "type": "DRUG" }, { "name": "Apalutamide", "type": "DRUG" } ], "intervention_types": [ "DRUG", "RADIATION" ], "sponsor": "Dana-Farber Cancer Institute", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "95 Years", "sex": "MALE", "summary": "18 Years to 95 Years · Male only" }, "enrollment_count": 345, "start_date": "2017-11-24", "completion_date": "2025-12-31", "has_results": false, "last_update_posted_date": "2024-05-14", "last_synced_at": "2026-09-26T19:56:34.292Z", "location_count": 8, "location_summary": "San Diego, California • San Francisco, California • New Haven, Connecticut + 5 more", "locations": [ { "city": "San Diego", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "New Haven", "state": "Connecticut" }, { "city": "Chicago", "state": "Illinois" }, { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT03141671" }, { "nct_id": "NCT05946213", "title": "Testing Shorter Duration Radiation Therapy Versus the Usual Radiation Therapy in Patients With High Risk Prostate Cancer", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Prostate Adenocarcinoma", "Stage III Prostate Cancer AJCC v8", "Stage IVA Prostate Cancer AJCC v8" ], "interventions": [ { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Bone Scan", "type": "PROCEDURE" }, { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "External Beam Radiation Therapy", "type": "RADIATION" }, { "name": "Magnetic Resonance Imaging", "type": "PROCEDURE" }, { "name": "Positron Emission Tomography", "type": "PROCEDURE" }, { "name": "Quality-of-Life Assessment", "type": "OTHER" }, { "name": "Questionnaire Administration", "type": "OTHER" }, { "name": "Stereotactic Body Radiation Therapy", "type": "RADIATION" } ], "intervention_types": [ "PROCEDURE", "RADIATION", "OTHER" ], "sponsor": "NRG Oncology", "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": 1209, "start_date": "2023-12-14", "completion_date": "2041-03-31", "has_results": false, "last_update_posted_date": "2026-09-10", "last_synced_at": "2026-09-26T19:56:34.292Z", "location_count": 402, "location_summary": "Birmingham, Alabama • Tuscaloosa, Alabama • Little Rock, Arkansas + 303 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Birmingham", "state": "Alabama" }, { "city": "Tuscaloosa", "state": "Alabama" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Antioch", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT05946213" }, { "nct_id": "NCT03128710", "title": "Prostate Cancer Survey", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Prostate Cancer" ], "interventions": [], "intervention_types": [], "sponsor": "University of Maryland, Baltimore", "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": 224, "start_date": "2017-03-15", "completion_date": "2018-02-15", "has_results": false, "last_update_posted_date": "2024-11-05", "last_synced_at": "2026-09-26T19:56:34.292Z", "location_count": 1, "location_summary": "Baltimore, Maryland", "locations": [ { "city": "Baltimore", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT03128710" }, { "nct_id": "NCT01811810", "title": "Proton Therapy for High Risk Prostate Cancer", "overall_status": "WITHDRAWN", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Prostate Cancer" ], "interventions": [ { "name": "Radiation therapy (XRT)", "type": "RADIATION" }, { "name": "Androgen Deprivation Therapy (ADT)", "type": "OTHER" }, { "name": "Chemotherapy", "type": "OTHER" } ], "intervention_types": [ "RADIATION", "OTHER" ], "sponsor": "Abramson Cancer Center at Penn Medicine", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "75 Years", "sex": "MALE", "summary": "18 Years to 75 Years · Male only" }, "enrollment_count": 0, "start_date": "2013-03", "completion_date": "2014-04", "has_results": false, "last_update_posted_date": "2019-04-23", "last_synced_at": "2026-09-26T19:56:34.292Z", "location_count": 1, "location_summary": "Philadelphia, Pennsylvania", "locations": [ { "city": "Philadelphia", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT01811810" }, { "nct_id": "NCT02203695", "title": "Randomized Salvage Radiation Therapy Plus Enzalutamide Post Prostatectomy", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Adenocarcinoma of the Prostate" ], "interventions": [ { "name": "Enzalutamide", "type": "DRUG" }, { "name": "SRT", "type": "RADIATION" } ], "intervention_types": [ "DRUG", "RADIATION" ], "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "100 Years", "sex": "MALE", "summary": "18 Years to 100 Years · Male only" }, "enrollment_count": 86, "start_date": "2015-03-28", "completion_date": "2022-12-31", "has_results": true, "last_update_posted_date": "2025-10-28", "last_synced_at": "2026-09-26T19:56:34.292Z", "location_count": 9, "location_summary": "Washington D.C., District of Columbia • Chicago, Illinois • Lafayette, Indiana + 6 more", "locations": [ { "city": "Washington D.C.", "state": "District of Columbia" }, { "city": "Chicago", "state": "Illinois" }, { "city": "Lafayette", "state": "Indiana" }, { "city": "Baltimore", "state": "Maryland" }, { "city": "Bethesda", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT02203695" }, { "nct_id": "NCT00003124", "title": "Hormone Therapy Plus Radiation Therapy in Treating Patients With Prostate Cancer", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Prostate Cancer" ], "interventions": [ { "name": "flutamide", "type": "DRUG" }, { "name": "leuprolide acetate", "type": "DRUG" }, { "name": "radiation therapy", "type": "RADIATION" } ], "intervention_types": [ "DRUG", "RADIATION" ], "sponsor": "Herbert Irving Comprehensive Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": null, "sex": "MALE", "summary": "Male only" }, "enrollment_count": 105, "start_date": "1997-05", "completion_date": "2007-01", "has_results": false, "last_update_posted_date": "2014-01-06", "last_synced_at": "2026-09-26T19:56:34.292Z", "location_count": 1, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT00003124" }, { "nct_id": "NCT00006359", "title": "Androgen Suppression Plus Radiation Therapy in Treating Patients With Prostate Cancer", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Prostate Cancer" ], "interventions": [ { "name": "LHRH agonist", "type": "DRUG" }, { "name": "antiandrogen", "type": "DRUG" }, { "name": "radiation therapy", "type": "RADIATION" }, { "name": "Brachytherapy boost", "type": "RADIATION" } ], "intervention_types": [ "DRUG", "RADIATION" ], "sponsor": "Alliance for Clinical Trials in Oncology", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "120 Years", "sex": "MALE", "summary": "18 Years to 120 Years · Male only" }, "enrollment_count": 63, "start_date": "2000-09", "completion_date": "2012-03", "has_results": false, "last_update_posted_date": "2016-07-18", "last_synced_at": "2026-09-26T19:56:34.292Z", "location_count": 26, "location_summary": "Lewes, Delaware • Newark, Delaware • Wilmington, Delaware + 18 more", "locations": [ { "city": "Lewes", "state": "Delaware" }, { "city": "Newark", "state": "Delaware" }, { "city": "Wilmington", "state": "Delaware" }, { "city": "Orlando", "state": "Florida" }, { "city": "Elkton MD", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT00006359" }, { "nct_id": "NCT02145390", "title": "Chemoradiation for Bladder Preservation After Complete Response to Neoadjuvant Chemotherapy", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Bladder Cancer", "Bladder Carcinoma", "Transition Cell Cancer", "Muscle Invasive Bladder Carcinoma" ], "interventions": [ { "name": "Transurethral Resection of the Bladder Tumor & Cystoscopy", "type": "PROCEDURE" }, { "name": "Intensity Modulated Radiation Therapy", "type": "RADIATION" }, { "name": "Expanded Prostate Cancer Index Composite Short Form 12", "type": "BEHAVIORAL" }, { "name": "International Prostate Symptom Score", "type": "BEHAVIORAL" } ], "intervention_types": [ "PROCEDURE", "RADIATION", "BEHAVIORAL" ], "sponsor": "University of Miami", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 1, "start_date": "2016-01-05", "completion_date": "2017-04-25", "has_results": true, "last_update_posted_date": "2018-08-28", "last_synced_at": "2026-09-26T19:56:34.292Z", "location_count": 1, "location_summary": "Miami, Florida", "locations": [ { "city": "Miami", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT02145390" } ] }