The primary objective of this study is to evaluate the long term safety and tolerability of an iron maintenance dosing strategy utilizing VIT45 in the treatment of anemia of non-dialysis dependent chronic kidney disease (NDD-CKD). This study is a long term extension to protocol 1VIT04004.~In this study patients that complete protocol 1VIT 04004 or are discontinued will be offered to participate in this extension study.
The primary objective of this study is to evaluate the long term safety and tolerability of an iron maintenance dosing strategy utilizing VIT45 in the treatment of anemia of non-dialysis dependent chronic kidney disease (NDD-CKD). This study is a long term extension to protocol 1VIT04004 (NCT00317239).