. ▁Tr ifer ic ▁del ivers ▁iron ▁directly ▁to ▁transfer rin ▁which ▁transport ed ▁it ▁to ▁the ▁b one ▁mar row ▁to ▁make ▁hem og lo bin . ▁Rock well ▁is ▁act ively ▁market ing ▁and ▁commercial izing ▁Tr ifer ic ▁in ▁the ▁U . S . ▁hem od ial ysis ▁market . ▁In ▁February ▁ 2 0 1 4 , ▁the ▁Company ▁completed ▁its ▁long - term ▁safety ▁study ▁for ▁Tr ifer ic . ▁ ▁Cal cit ri ol ▁Cal cit ri ol ▁( active ▁vit amin ▁D ) ▁generic ▁is ▁F DA ▁approved ▁for ▁tre ating ▁secondary ▁hyper par ath y roid ism ▁or ▁hyp ocal cem ia ▁in ▁hem od ial ysis ▁patients . ▁ ▁Hem od ial ysis ▁Con cent r ates ▁Rock well ▁is ▁an ▁established ▁manufact urer ▁of ▁hem od ial ysis ▁concentr ates / d ial ys ates ▁for ▁d ial ysis ▁prov iders ▁and ▁distrib utors ▁in ▁the ▁U . S . ▁and ▁glob ally . ▁Hem od ial ysis ▁concentr ates ▁remove ▁to x ins ▁and ▁replace ▁critical ▁nut ri ents ▁in ▁the ▁d ial ysis ▁patient ’ s ▁blood stream ▁during ▁hem od ial ysis . ▁Rock well ▁has ▁three ▁U . S . ▁manufact uring ▁and ▁distribution ▁facilities . ▁ ▁Iron ( III ) ▁py roph osph ate ▁One ▁of ▁the ▁main ▁treat ments ▁that ▁the ▁company ▁develop s ▁is ▁iron ( III ) ▁py roph osph ate , ▁for ▁iron ▁supp lement ation , ▁a ▁key ▁element ▁in ▁the ▁formation ▁of