Howard I. Scher, MD
Investigators looking for a superior means of testing for response to therapy in metastatic castration-resistant prostate cancer (mCRPC) said they found the solution in a study of circulating tumor cells (CTCs). These markers proved to be better, earlier predictors of response than prostate-specific antigen (PSA) tests.
Figure. CTC Measures Prove Better Determinants of Response1
“To develop new therapeutic agents requires the ability to determine whether a systemic therapy has clinical benefit (eg, improving how a patient feels and functions and how long the patient survives),” corresponding author Howard I. Scher, MD, a medical oncologist at Memorial Sloan Kettering Cancer Center in New York, New York, and coauthors wrote.
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