4597 is currently developing the following drugs: Sp-01 Manufactured By Site K (Sp-01-K, Transdermal Patch Contained Granisetron), Sp-01 Manufactured By Site A (Sp-01-A, Transdermal Patch Contained Granisetron), Calmangafodipir (5 Μmol/Kg), Calmangafodipir (5 Μmol/Kg), Calmangafodipir (2 Μmol/Kg). These drug candidates are in various stages of clinical development as the company works toward FDA approval.