Novel substituted 1,5,7-trisubstituted-1,8-napthyridin-2(1H)-one compounds; 1,5,7 trisubstituted-1,6-napthyridine-2-(1H)-one compounds and 1,5,7-trisubstituted quinoline-2(1H)-one compounds, processes for the preparation thereof, the use thereof in treating CSBP/p38 kinase mediated diseases and pharmaceutical compositions for use in such therapy.