Investigating the Optimal Management of Dolutegravir Resistance

Inclusion Criteria: * Able and willing to provide informed consent (assent as appropriate and legal guardian consent if \< 18 years) * Age ≥ 1 years * Documented HIV-1 infection as confirmed by national HIV testing standards at the respective study sites * On a DTG-based ART regimen for at least six months * Most recent HIV-1 RNA ≥ 1,000 copies/mL within 3 months prior to enrolment, taken after at least 6 months on current ART regimen Exclusion Criteria: * Has switched ART regimen for confirmed or suspected HIV treatment failure while on a PI- or INSTI-based regimen * Any reason which, in the investigator's opinion, will significantly prevent the collection of viral load levels such as relocation to another area outside of the trial sites or imminent death * Concomitant NNRTI or PI while on DTG