#$%^&*AU2012203932B220140424.pdf#####ABSTRACT This invention relates to a novel use of IL-1 0-ligand/IL- I receptor disrupting compounds (herein referred to as "IL-1 beta Compounds"); such as small molecular compounds disrupting IL-1 0 ligand - IL-1 receptor interaction, IL-1 P antibodies or IL-1 receptor antibodies, e.g. IL-l I0 binding molecules described herein, e.g. antibodies disclosed herein, e.g. IL-1 p binding compounds or IL-I receptor binding compounds, and/or RNA compounds decreasing either IL-i 0 ligands or IL-1 receptor protein levels, in the treatment and/or prevention of auto-inflammatory syndromes, e.g. Juvenile rheumatoid arthritis or adult rheumatoid arthritis syndrome and to methods of treating and/or preventing auto-inflammatory syndromes, e.g. Juvenile rheumatoid arthritis or adult rheumatoid arthritis syndrome, in mammals, particularly humans.