Hos patienter med CCR5- tropismevirus på tidspunktet for behandlingssvigt med CELSENTRI havde 22 ud af 58 patienter virus med reduceret følsomhed over for maraviroc.
Phenotypic resistance: in patients with CCR5-tropic virus at time of treatment failure with CELSENTRI, 22 out of 58 patients had virus with reduced sensitivity to maraviroc.