Akebia Therapeutics (AKBA) has seen its share price rise after it gained FDA approval for Vafseo (vadadustat) tablets for the treatment of anemia due to chronic kidney disease (CKD) in late March this year.The approval of Vafseo tablets gave this Zacks Rank #2 (Buy) company its second FDA-approved product after Auryxia (ferric citrate), which is indicated for the control of serum phosphorus levels in adult patients with CKD on dialysis. The oral method of the use of Vafseo tablets makes it an easier-to-use ...