PSA plays a variety of roles, the most familiar being screening to detect prostate cancer at an early stage. PSA also helps to define the Stages of Blue. Another role of PSA is to detect cancer relapse after surgery or radiation. Lastly, rises or declines in PSA after hormone therapy or chemotherapy help determine whether a treatment is working...

Rapid improvements in medical technology are forcing us to rethink our traditional approach to early metastatic prostate cancer. The scans are improved; the therapies are more effective and have fewer side effects, and our understanding of...

Clinical trials, research trials, and studies all refer to the process that investigates the effectiveness of a new drug, type of therapy, or combination of drugs. There are 3 main phases of an investigational treatment along the road to FDA approval. Phase I trials are small, and 100 percent of the patients receive the...