About Malecare

Malecare is the world's leading men's cancer support and advocacy nonprofit organization.

More Issues Raised About Cross-Resistance Between Abiraterone and Enzalutamide

Some of my posts over the last week or two have discussed the issue of the development of cross-resistance of two of our newest treatments for advanced prostate cancer.  These drugs are abiraterone (Zytiga) and enzalutamide (Xtandi). Currently, both of them are approved for use after a man has failed chemotherapy with docetaxel. In addition, [...]

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 [...]

Analyzing Time to Developing Castration-Resistant Prostate Cancer and Overall Survival after Initiating Androgen Deprivation Therapy (ADT)

There are different methods of performing ADT; these methods include continuous or intermittent as well as differences in the actual blockade itself. Understanding the superior schedule as well as the superior combination of drugs can both delay the onset to castrate resistance as well as provide for a longer overall survival (OS). In a research [...]

There is Some Cross Resistance Developed Between Both the First Use of Zytiga and the First Use of Xtandi

On March 4, 2014 I wrote a post “Castrate Resistant Prostate Cancer- What to Do Next” (www.advancedprostatecancer.net/?p=4425). The basic theme of the post was about how difficult it is to know how to sequence the new drugs we have to treat advanced prostate cancer (metastatic castrate resistant prostate cancer aka mCRPC). In the post I [...]

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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