The present invention concerns a nucleotide aptamer having the sequence: 5′-AUGAUCAAUCGCCUCAAUUCGACAGGAGGCUCAC-3′(SEQ ID NO: 1) for use in the treatment and/or prevention and/or diagnosis of an Axl receptor tyrosine kinase induced disorder and a pharmaceutical composition comprising the same. The invention also relates to a method for the diagnosis of an Axl receptor tyrosine kinase induced disorder in a patient from which a sample is obtained and related diagnostic kit.