Enzalutamide (Xtandi) Provides Men with NonMetastatic Castration Resistant Prostate Cancer an Effective Treatment Option

MedicalResearch.com Interview with:

Maha Hussain, MD, FACP, FASCO Genevieve Teuton Professor of Medicine Division of Hematology/Oncology Deputy Director Robert H. Lurie Comprehensive Cancer Center Northwestern University Feinberg School of Medicine

Dr. Hussain

Maha Hussain, MD, FACP, FASCO
Genevieve Teuton Professor of Medicine
Division of Hematology/Oncology
Deputy Director
Robert H. Lurie Comprehensive Cancer Center
Northwestern University Feinberg School of Medicine

MedicalResearch.com: What is the background for this study? What are the main findings?

Response: Until recently patients with non metastatic castration resistant prostate cancer (nmcrpc) had no impactful systemic therapy options.  Progression to metastatic crpc; the deadly phase of the cancer, is a given in the vast majority of patients.

Enzalutamide significantly delayed the time to metastases development by almost 2 years compared to placebo with a 71% reduction in the risk of metastases or death and a median metastases free survival of 36.6 compared to 14.7 months respectively.  This was accomplished without negative impact on quality of life (qol).  Enzalutamide treated patients had a higher rate of PSA declines and delayed time to requiring other anticancer therapies.   

MedicalResearch.com: What should readers take away from your report?

Response: Androgen receptor targeting continues to be clinically relevant in this disease and the therapeutic impact is greater in earlier disease settings with lower tumor burden. This data provides men with non metastatic castration resistant prostate cancer an effective treatment option.

MedicalResearch.com: What recommendations do you have for future research as a result of this work? 

Response: In this disease setting maximizing the antitumor effect with rational combinations to increase tumor kill with the goal of further reducing the risk of metastasis and prolonging overall survival and potentially hope for “cure”. 

MedicalResearch.com: Is there anything else you would like to add? Any disclosures:

Response: On behalf of all my coauthors and study investigators I wish to thank the patients and their caregivers for participating in this trial.  Their partnership is critical to defeat prostate cancer.

Research funding to our institutions for clinical trials from Pfizer.

Citation:

Enzalutamide in Men with Nonmetastatic, Castration-Resistant Prostate Cancer

Maha Hussain, M.D., Karim Fizazi, M.D., Ph.D., Fred Saad, M.D., Per Rathenborg, M.D., Neal Shore, M.D., Ubirajara Ferreira, M.D., Ph.D., Petro Ivashchenko, M.D., Eren Demirhan, Ph.D., Katharina Modelska, M.D., Ph.D., De Phung, B.S., Andrew Krivoshik, M.D., Ph.D., and Cora N. Sternberg, M.D.
June 28, 2018
N Engl J Med 2018; 378:2465-2474
DOI: 10.1056/NEJMoa1800536

 

 

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