PD-991 may qualify for the Fast track

Pfizer wants to fast track this miracle drug based on strong phase II results:
http://www.pfizer.com/files/news/asco/pd_0332991_cdk_4_6_inhibitor_fact_sheet.pdf
http://www.bloomberg.com/news/2013-01-10/pfizer-may-push-5-billion-breast-cancer-hope-for-ruling.html

There are more drugs in the pipeline that is based on the same principle from other drug makers

http://www.kantarhealth.com/blog/oncology/stephanie-hawthorne/2012/12/06/CDK_Inhibition_The_Next_Big_Thing_in_ER_Breast_Cancer_Impresses_at_SABCS_2012

Last December news about PD-991:  26 month PFS (PD-991) compared with <10 months PFS with Femara alone
http://killerboob.blogspot.com/2012/12/pd-991-with-femara.html