PALO ALTO, Calif.--(BUSINESS WIRE)--Affymax, Inc. (Nasdaq: AFFY) today announced that it has instituted a quiet period to curtail discussions with the investor community and the media in connection with the analysis of Phase 3 results for the investigational drug, Hematide, in four clinical trials (PEARL 1, PEARL 2, EMERALD 1 and EMERALD 2) which evaluated Hematide for the treatment of anemia in chronic renal failure patients.