Jason A. Efstathiou

ORCID: 0000-0003-0996-0350
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About
Contact & Profiles
Research Areas
  • Bladder and Urothelial Cancer Treatments
  • Prostate Cancer Diagnosis and Treatment
  • Prostate Cancer Treatment and Research
  • Urinary and Genital Oncology Studies
  • Advanced Radiotherapy Techniques
  • Urological Disorders and Treatments
  • Radiation Therapy and Dosimetry
  • Renal cell carcinoma treatment
  • Global Cancer Incidence and Screening
  • Esophageal Cancer Research and Treatment
  • Cancer Immunotherapy and Biomarkers
  • Advances in Oncology and Radiotherapy
  • Multiple and Secondary Primary Cancers
  • Tissue Engineering and Regenerative Medicine
  • Testicular diseases and treatments
  • Economic and Financial Impacts of Cancer
  • Cancer, Lipids, and Metabolism
  • Radiomics and Machine Learning in Medical Imaging
  • Urologic and reproductive health conditions
  • Health Systems, Economic Evaluations, Quality of Life
  • Lung Cancer Treatments and Mutations
  • Estrogen and related hormone effects
  • Cancer Genomics and Diagnostics
  • Cervical Cancer and HPV Research
  • Cancer Diagnosis and Treatment

Massachusetts General Hospital
2016-2025

Harvard University
2016-2025

Brigham and Women's Hospital
2005-2025

Mass General Brigham
2025

Dana-Farber/Harvard Cancer Center
2021-2023

University Hospitals Seidman Cancer Center
2016-2022

University College London
2022

Ospedale Regionale di Bellinzona e Valli
2022

Cancer Trials Ireland
2022

University of Ulster
2022

PURPOSE To test the hypothesis that increasing radiation dose delivered to men with early-stage prostate cancer improves clinical outcomes. PATIENTS AND METHODS Men T1b-T2b and prostate-specific antigen </= 15 ng/mL were randomly assigned a total of either 70.2 Gray equivalents (GyE; conventional) or 79.2 GyE (high). No patient received androgen suppression therapy radiation. Local failure (LF), biochemical (BF), overall survival (OS) Results A 393 assigned, median follow-up was 8.9 years....

10.1200/jco.2009.25.8475 article EN Journal of Clinical Oncology 2010-02-02

This selection from the NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines) for Bladder Cancer focuses on clinical presentation and workup of suspected bladder cancer, treatment non–muscle-invasive urothelial metastatic cancer because important updates have recently been made to these sections. Some include recommendations optimal event a bacillus Calmette-Guérin (BCG) shortage details about biomarker testing advanced or disease. The systemic therapy second-line subsequent...

10.6004/jnccn.2020.0011 article EN Journal of the National Comprehensive Cancer Network 2020-03-01

Multiple prospective Radiation Therapy Oncology Group (RTOG) protocols have evaluated bladder-preserving combined-modality therapy (CMT) for muscle-invasive bladder cancer (MIBC), reserving cystectomy salvage treatment. We performed a pooled analysis of long-term outcomes in patients with MIBC enrolled across multiple studies.Four hundred sixty-eight were onto six RTOG bladder-preservation studies, including five phase II studies (RTOG 8802, 9506, 9706, 9906, and 0233) one III study 8903)....

10.1200/jco.2014.57.5548 article EN Journal of Clinical Oncology 2014-11-04

We aimed to update a previously published, multi-institutional nomogram of outcomes for salvage radiotherapy (SRT) following radical prostatectomy (RP) prostate cancer, including patients treated in the contemporary era.Individual data from node-negative with detectable post-RP prostate-specific antigen (PSA) SRT or without concurrent androgen-deprivation therapy (ADT) were obtained 10 academic institutions. Freedom biochemical failure (FFBF) and distant metastases (DM) rates estimated,...

10.1200/jco.2016.67.9647 article EN Journal of Clinical Oncology 2016-08-16

This selection from the NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines) for Bladder Cancer focuses on systemic therapy muscle-invasive urothelial bladder cancer, as substantial revisions were made 2017 updates, such new recommendations nivolumab, pembrolizumab, atezolizumab, durvalumab, and avelumab. The complete version of addresses additional aspects management including non-muscle-invasive cancer nonurothelial histologies, well staging, evaluation, follow-up.

10.6004/jnccn.2017.0156 article EN Journal of the National Comprehensive Cancer Network 2017-10-01

The NCCN Clinical Practice Guidelines in Oncology for Bladder Cancer provide recommendations the diagnosis, evaluation, treatment, and follow-up of patients with bladder cancer. These Insights discuss important updates to 2018 version guidelines, including implications 8th edition AJCC Staging Manual on treatment muscle-invasive cancer incorporating newly approved immune checkpoint inhibitor therapies into options locally advanced or metastatic disease.

10.6004/jnccn.2018.0072 article EN Journal of the National Comprehensive Cancer Network 2018-09-01

Decipher (Decipher Biosciences Inc) is a genomic classifier (GC) developed to estimate the risk of distant metastasis (DM) after radical prostatectomy (RP) in patients with prostate cancer.To validate GC context randomized phase 3 trial.This ancillary study used RP specimens from placebo-controlled NRG/RTOG 9601 clinical trial conducted March 1998 2003. The were centrally reviewed, and RNA was extracted highest-grade tumor available 2019 median follow-up 13 years. Clinical-grade whole...

10.1001/jamaoncol.2020.7671 article EN JAMA Oncology 2021-02-12
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