Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
AR-V7 detection in circulating tumor cells (CTCs) and its association with resistance to androgen receptor (AR)–directed therapy in the present cohort. Proportion of patients with AR-V7 detected (n = 2) or not (n = 23) in circulating tumor cells who developed resistance or not to AR-directed therapy are shown. The positive predictive value (PPV) and negative predictive value (NPV) are displayed in each panel. P values were calculated using Fisher’s exact test. AR, androgen receptor.
