Finding BioMarkers to Drug Sensitivity, The Next Step – ASCO Annual Meeting at ASCO GU

Now that we have new treatments available to fight advanced, metastatic prostate cancer we need ways to decide on the best treatments given that many of the treatments occupy the same disease space.  This is especially important with the soaring costs of many treatments as well as the need to not waste time by giving [...]

Startling Fact: PSA Testing Frequency Changes PSA Doubling Time – A Time Honored Surrogate Biomarker is Not Valid!

In our quest to understand our prostate cancer we have developed many “measures” of our disease aggressiveness and progression.  Many of these measures are generally accepted has valid, but many have never been validated. One example is the prognostic nature of PSA Doubling Time (PSADT) in men with biochemically recurrent prostate cancer (BRPC or PSA [...]

CTCs As A Biomarker to Predict Survival in Men with Metastatic CRPC – Can We Be Triaged to Death?

Higher circulating tumor cell counts are associated with an increased risk of death. Men with metastatic castrate resistant prostate cancer don’t have a good biomarker to predict survival.  According to a study published online ahead of print in the Journal of Clinical Oncology. by Amir Goldkorn, MD, and colleagues at the Keck School of Medicine of [...]

Markers for Predicting Clinical Responses to Sipuleucel-T (Provenge) in Castrate Resistant Prostate Cancer

Sipuleucel-T (Provenge) has shown in clinical trials that it prolongs overall survival (OS) in asymptomatic or minimally symptomatic men with castrate resistant prostate cancer (CRPC). Unlike many other treatments for men with CRPC there are not any reliable biomarkers to show that it is working for any individual.  There is also a lack of markers [...]

Finding Important Bio-Markers for Approved and Failed Drugs – Efficacy Improved and An Extended Life Rolled Up In One

Satraplatin is an oral platinum drug that is believed to bind the DNA of the cancer cell, which then prevents the cancer from being able to reproduce. Satraplatin had been tested in a phase III trial in men with metastatic castrate-resistant prostate cancer (mCRPC) who have failed chemotherapy with docetaxel. It failed because it did [...]

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