7 Cladribine er et pro- drug, som optages hurtigt i celler efter parenteral indgivelse, og det bliver fosforyleret intracellulært til det aktive nukleotid 2- klorodeoxyadenosin- 5 '- trifosfat (CdATP) ved deoxycytidinkinase (dCK).
7 Cladribine is a prodrug which is taken up rapidly in cells after parenteral administration, and is phosphorylated intracellularly to the active nucleotide 2-chlorodeoxyadenosine-5'-triphosphate (CdATP) by deoxycytidine kinase (dCK).