Abstract: HIV resistance to raltegravir is the consequence of mutations located close to the
integrase active site, which can be divided into three main evolutionary pathways: the
N155H, the
Q148R/H/K and the
Y143R/C pathways.
Abstract: Resistance is frequently initiated by viruses carrying mutations of the
N155H pathway, followed by emergence and further dominance of viral genomes carrying mutations of the
Q148R/H/K or of the
Y143R/C pathways, which express higher levels of resistance.