PALO ALTO, Calif., & DEERFIELD, Ill.--(BUSINESS WIRE)--Affymax, Inc. (Nasdaq: AFFY) and Takeda Pharmaceuticals U.S.A., Inc. (TPUSA), today announced that multiple abstracts on OMONTYS® (peginesatide) Injection have been accepted for presentation at the American Society of Nephrology (ASN) Kidney Week 2012 taking place October 30 – November 4, 2012 in San Diego, Calif.