{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ultrahypofractionated+Radiation", "query": { "intervention": "Ultrahypofractionated Radiation" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 7, "total_pages": 1, "next_page_url": null, "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-12T19:27:06.627Z", "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": "NCT07139990", "title": "Personalized Radiotherapy for Individualized Treatment Strategies and Monitoring (PRISM)", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Small Cell Lung Cancer Extensive Stage", "Brain Metastases", "Solid Tumor, Adult", "Thoracic Cancer", "Sarcoma,Soft Tissue", "HNPCC" ], "interventions": [ { "name": "Cohort A: Extensive Stage Small Cell Lung Cancer (ES-SCLC) Thoracic Tumor PULSAR (Personalized ultrahypofractionated stereotactic ablative radiotherapy)", "type": "RADIATION" }, { "name": "Cohort B: Brain metastasis PULSAR (Personalized ultrahypofractionated stereotactic ablative radiotherapy)", "type": "RADIATION" }, { "name": "Cohort C: Sarcoma Pre-Operative PULSAR", "type": "RADIATION" }, { "name": "Cohort D: Resectable Head & Neck Squamous Cell Carcinoma (HNSCC) PULSAR/SAbR", "type": "RADIATION" } ], "intervention_types": [ "RADIATION" ], "sponsor": "University of Texas Southwestern 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": 105, "start_date": "2025-10-28", "completion_date": "2032-09-01", "has_results": false, "last_update_posted_date": "2026-08-17", "last_synced_at": "2026-09-12T19:27:06.627Z", "location_count": 1, "location_summary": "Dallas, Texas", "locations": [ { "city": "Dallas", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT07139990" }, { "nct_id": "NCT05912231", "title": "Ultrahypofractionation and Normal Tissue Toxicity", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Breast Cancer", "Breast Cancer Female", "Breast Cancer Stage II", "Breast Cancer Stage III", "Myocardial Fibrosis" ], "interventions": [ { "name": "Accelerated Proton Beam Radiation Therapy (PBT)", "type": "RADIATION" }, { "name": "Accelerated Photon Radiation Therapy (XRT)", "type": "RADIATION" } ], "intervention_types": [ "RADIATION" ], "sponsor": "Massachusetts General Hospital", "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": 60, "start_date": "2023-08-15", "completion_date": "2026-12-31", "has_results": false, "last_update_posted_date": "2025-11-13", "last_synced_at": "2026-09-12T19:27:06.627Z", "location_count": 1, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT05912231" }, { "nct_id": "NCT05616650", "title": "Focal Therapy With Stereotactic Body Radiation Therapy (SBRT) for Patients With a Single Prostate Tumor", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Prostatic Neoplasms", "Prostate Cancer", "Prostate Adenocarcinoma" ], "interventions": [ { "name": "18F-DCFPyL", "type": "DRUG" }, { "name": "Stereotactic Body Radiation Therapy", "type": "RADIATION" } ], "intervention_types": [ "DRUG", "RADIATION" ], "sponsor": "National Cancer Institute (NCI)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "120 Years", "sex": "MALE", "summary": "18 Years to 120 Years · Male only" }, "enrollment_count": 42, "start_date": "2023-10-19", "completion_date": "2031-12-01", "has_results": false, "last_update_posted_date": "2026-09-03", "last_synced_at": "2026-09-12T19:27:06.627Z", "location_count": 1, "location_summary": "Bethesda, Maryland", "locations": [ { "city": "Bethesda", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT05616650" }, { "nct_id": "NCT07097142", "title": "Testing Shorter Duration Radiation Therapy Versus the Usual Radiation Therapy in Patients Receiving the Usual Chemotherapy Treatment for Bladder Cancer, ARCHER Study", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Muscle Invasive Bladder Urothelial Carcinoma", "Stage II Bladder Cancer AJCC v8", "Stage IIIA Bladder Cancer AJCC v8" ], "interventions": [ { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Cisplatin", "type": "DRUG" }, { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "Fluorouracil", "type": "DRUG" }, { "name": "Gemcitabine", "type": "DRUG" }, { "name": "Hypofractionated Radiation Therapy", "type": "RADIATION" }, { "name": "Magnetic Resonance Imaging", "type": "PROCEDURE" }, { "name": "Mitomycin", "type": "DRUG" }, { "name": "Positron Emission Tomography", "type": "PROCEDURE" }, { "name": "Survey Administration", "type": "OTHER" }, { "name": "Ultrahypofractionated Radiation Therapy", "type": "RADIATION" } ], "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": 486, "start_date": "2025-10-07", "completion_date": "2035-05-31", "has_results": false, "last_update_posted_date": "2026-08-18", "last_synced_at": "2026-09-12T19:27:06.627Z", "location_count": 211, "location_summary": "Fort Smith, Arkansas • Irvine, California • La Jolla, California + 162 more", "locations": [ { "city": "Fort Smith", "state": "Arkansas" }, { "city": "Irvine", "state": "California" }, { "city": "La Jolla", "state": "California" }, { "city": "Orange", "state": "California" }, { "city": "Sacramento", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT07097142" }, { "nct_id": "NCT06044857", "title": "PSMA PET Response Guided SabR in High Risk Pca", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Prostate Adenocarcinoma" ], "interventions": [ { "name": "68-Ga PSMA11", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of Texas Southwestern Medical Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "99 Years", "sex": "MALE", "summary": "18 Years to 99 Years · Male only" }, "enrollment_count": 20, "start_date": "2024-03-07", "completion_date": "2026-11", "has_results": false, "last_update_posted_date": "2026-04-14", "last_synced_at": "2026-09-12T19:27:06.627Z", "location_count": 2, "location_summary": "Dallas, Texas", "locations": [ { "city": "Dallas", "state": "Texas" }, { "city": "Dallas", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT06044857" }, { "nct_id": "NCT05169970", "title": "A Study of Stereotactic Body Radiation Therapy (SBRT) Without Androgen Deprivation Therapy (ADT) in People With Unfavorable Intermediate-Risk Prostate Cancer", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Prostate Cancer" ], "interventions": [ { "name": "Stereotactic Body Radiation Therapy (SBRT)", "type": "RADIATION" } ], "intervention_types": [ "RADIATION" ], "sponsor": "Memorial Sloan Kettering Cancer Center", "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": 222, "start_date": "2021-12-09", "completion_date": "2027-12", "has_results": false, "last_update_posted_date": "2026-07-14", "last_synced_at": "2026-09-12T19:27:06.627Z", "location_count": 7, "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more", "locations": [ { "city": "Basking Ridge", "state": "New Jersey" }, { "city": "Middletown", "state": "New Jersey" }, { "city": "Montvale", "state": "New Jersey" }, { "city": "Commack", "state": "New York" }, { "city": "Harrison", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT05169970" }, { "nct_id": "NCT07076485", "title": "Shortening Adjuvant Photon and Proton Irradiation (SAPPHIRe-II): A 4 Cohort, Randomized, Phase II Multi-center Trial Evaluating Shorter Schedules of Adjuvant Regional Nodal Irradiation Among Women and Men With Node-positive and High-risk Node-negative Invasive Breast Cancer", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Breast Cancer" ], "interventions": [ { "name": "Ultrahypofractionated Radiation", "type": "RADIATION" }, { "name": "Moderately Hypofractionated Radiation", "type": "RADIATION" } ], "intervention_types": [ "RADIATION" ], "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": 768, "start_date": "2025-08-19", "completion_date": "2031-01-01", "has_results": false, "last_update_posted_date": "2026-09-02", "last_synced_at": "2026-09-12T19:27:06.627Z", "location_count": 5, "location_summary": "Loveland, Colorado • Jacksonville, Florida • Voorhees Township, New Jersey + 2 more", "locations": [ { "city": "Loveland", "state": "Colorado" }, { "city": "Jacksonville", "state": "Florida" }, { "city": "Voorhees Township", "state": "New Jersey" }, { "city": "Houston", "state": "Texas" }, { "city": "San Antonio", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT07076485" } ] }