The invention refers to an oligonucleotide consisting of 10 to 18 nucleotides of selected regions of the TGF-beta2 nucleic acid sequence, which comprises modified nucleotides such as LNA, ENA, polyalkylene oxide-, 2-fluoro, 2-O-methoxy and/or 2-O-methyl modified nucleotides. The invention further relates to pharmaceutical compositions comprising such oligonucleotide, wherein the composition or the oligonucleotide is used in the prevention and/or treatment of a malignant and/or benign tumor, an immunologic disease, fibrosis, or an ophthalmic disease such as dry eye, glaucoma or posterior capsular opacification (PCO).
