Biopharma happenings, including deals and partnerships, grants, preclinical data and other news in brief: Acelrx, Advanz, Akebia, Amarin, Armas, Brainstorm, Correvio, Homology, Kirin, Medivir, Nanoviricides, Pharmamar, Protalix, Spherix, Tango, Tetraphase, Therapeuticsmd, Twist, Xortx.