Zerenex Phase III Data Wow; Keryx Hits 52-Week High

Three weeks ago, Keryx Biopharmaceuticals Inc. CEO Ron Bentsur faced tough questions at the 31st Annual J.P. Morgan Healthcare Conference in San Francisco about continuing delays in reporting long-term Phase III data on Zerenex (ferric citrate) for the treatment of hyperphosphatemia in patients with end-stage renal disease (ESRD) on dialysis.