Roxithromycin (RU-28965) is an orally active semi-synthethic macrolide antibiotic. Roxithromycin inhibits protein biosynthesis in the elongation step by binding to 50S bacterial ribosome. Roxithromycin has antimicrobial, antiproliferative, anti-inflammatory, tumour vasculature inhibiting and lung injury ameliorating effects[1][2][3][4][5][6][7][8][9][10][11].