The present invention makes it possible to enhance steroid efficacy in asteroid refractory or dependent patient afflicted with an inflammatorycondition not responding or responding poorly or inadequately to anti-inflammatory treatment, by administering an oligonucleotide having thesequence 5 5'-Xm-CG-Yn-3' in an effective amount to said patient and wherein Xis A, T, C or G, Y is A, T, C, or G, m=1-100, n=1-100 and wherein at least oneCG dinucleotide is ummethylated. The invention also encompasses the use ofsaid oligonucleotide for the manufacture of pharmaceuticals.