Etanercept fremstilles ved "rekombinant DNA- teknologi" – dvs. det produceres af en celle, der har fået indsat et gen (dna), som sætter den i stand til at producere etanercept.
Etanercept is produced by a method known as ‘ recombinant DNA technology’: it is made by a cell that has received a gene (DNA), which makes it able to produce etanercept.