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Stronger abiraterone response in mCRPC seen in black men


 

REPORTING FROM ASCO 2018

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CHICAGO – Results of a prospective clinical trial in 100 men with metastatic castration-resistant prostate cancer (mCRPC) showed that black men were more likely to have a decline in prostate-specific antigen (PSA) and a longer median time to PSA rise in response to treatment with abiraterone (Zytiga) than white men receiving the same treatment (16.8 vs. 11.5 months).

The findings support earlier evidence indicating a stronger response to abiraterone among African Americans compared with Caucasians and suggest that at least some of the observed racial disparities in prostate cancer outcomes could be explained by genetic differences, according to lead study author Daniel George, MD, from Duke University in Durham, N.C.

In this video interview from the annual meeting of the American Society of Clinical Oncology, Dr. George discusses the study findings, as well as issues surrounding the problems of recruiting African Americans for clinical trials and ensuring access to the standard of advanced prostate cancer care for all patients.

Dr. George disclosed consulting or advisory roles and research funding from numerous pharmaceutical companies.

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