The present invention makes it possible to enhance steroid efficacy in a steroid refractory patient afflicted with an inflammatory condition not responding or responding poorly or inadequately to anti-inflammatory treatment, by administering an effective to said patient amount of an oligonucleotide comprising the sequence TTCGT and having a total length of up to 100 nucleotides. The invention also encompasses the use of said oligonucleotide for the manufacture of pharmaceuticals.