Jason A. Efstathiou MD PhD
Professor of Radiation Oncology, Harvard Medical School, Massachusetts General Hospital
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Massachusetts General Hospital55 Fruit StreetBoston, MA 02114
Phone+1 617-726-5866
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Education & Training
Mass General Brigham/Brigham and Women's Hospital/Massachusetts General Hospital/Harvard Medical SchoolResidency, Radiation Oncology, 2004 - 2008- Mass General Brigham/Brigham and Women's HospitalInternship, Internal Medicine, 2003 - 2004
Harvard Medical SchoolClass of 2003
Certifications & Licensure
MA State Medical License 2008 - 2026
RI State Medical License 2021 - 2026
ME State Medical License 2020 - 2025
NH State Medical License 2021 - 2025
American Board of Radiology Radiation Oncology
Clinical Trials
- Radiation Therapy With or Without Androgen-Deprivation Therapy in Treating Patients With Prostate Cancer
- Proton Radiotherapy for Stage I, IIA, and IIB Seminoma Start of enrollment: 2012 Mar 01
- Proton Therapy Vs. IMRT for Low or Intermediate Risk Prostate Cancer Start of enrollment: 2012 Jul 25
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Publications & Presentations
PubMed
- European Association of Urology Guidelines on Muscle-invasive and Metastatic Bladder Cancer: Summary of the 2025 Guidelines.Antoine G van der Heijden, Harman Max Bruins, Albert Carrion, Richard Cathomas, Eva Compérat
European Urology. 2025-03-17 - Understanding patient perspectives in the management of their muscle-invasive bladder cancer.Deepro Chowdhury, Andrea B Apolo, Di Maria Jiang, Eila C Skinner, Stephanie Chisolm
BJU International. 2025-03-06 - Predictive Model of Acute Rectal Toxicity in Prostate Cancer Treated With Radiotherapy.Keyur D Shah, Beow Y Yeap, Hoyeon Lee, Zainab O Soetan, Maryam Moteabbed
JCO Clinical Cancer Informatics. 2025-03-01
Journal Articles
- Utility of Bladder-Sparing Therapy vs Radical Cystectomy for Muscle-Invasive Bladder CancerJason Efstathiou, MD, JAMA
- Impact of Interfractional Motion on Hypofractionated Pencil Beam Scanning Proton Therapy and VMAT Delivery for Prostate CancerA L Zietman, Y Wang, J A Efstathiou, F H Khan, Medical Physics
- Comparison Between Adjuvant and Early-Salvage Postprostatectomy Radiotherapy for Prostate Cancer with Adverse Pathological FeaturesRahul D. Tendulkar, Kevin L. Stephans, Stanley L. Liauw, Robert B. Den, Shre Agrawal, Mitchel S. Anscher, Jason A. Efstathiou, Thomas M. Pisansky, Jason W. Hearn, Jef ..., JAMA
Authored Content
- Are We Ready to Change Management Based on Next-Generation Imaging? YES: APCCC 2022 Presentation Jason EfstathiouAugust 2022
Press Mentions
Proton Therapy and Intensity-Modulated Radiation Therapy for Localized Prostate CancerApril 4th, 2025- American Society for Radiation Oncology, Sept. 29-Oct. 2October 9th, 2024
- IMRT vs Proton Therapy for Early Prostate Cancer?October 1st, 2024
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