I kliniske fase II og III forsøg viste 276 patienter at de mest almindelige mutationer ved APTIVUS- behandling er L33F/ I/ V, V82T/ L og I84V.
In Phase II and III clinical trials, 276 patients with on-treatment genotypes have demonstrated that the predominant emerging mutations with APTIVUS treatment are L33F/ I/ V, V82T/ L and I84V.