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Dolutegravir and rilpivirine for the maintenance treatment of virologically suppressed HIV-1 infection

ABSTRACT Introduction: Triple combinations of antiretroviral therapy (ART) drugs are the standard treatment for human immunodeficiency virus (HIV) infection, but the challenges include long-term side effects, high costs, and adherence. The recent advent of potent and well-tolerated ART has renewed the interest for newer ART strategies. A dual regimen with the combination of dolutegravir (DTG) and rilpivirine (RPV), two well-tolerated, metabolic-friendly, and potent drugs could offer additional benefits. Areas covered: A review of recent randomized trials and observational cohorts concerning the use of a dual therapy with DTG plus RPV as a switching strategy in patients with viral suppression. Expert commentary: Currently, data of more of 900 patients switched to this dual regimen are available. This combination shows a high rate of virological suppression, above 90% at 48 weeks, few discontinuations due to adverse events, improvement in bone and kidney parameters for patients discontinuing tenofovir disoproxil fumarate, lack of loss of the inflammatory control achieved with triple therapy, and a neutral effect on lipid parameters. Thus, for the first time, a dual regimen without protease inhibitors is effective, avoiding metabolic side effects and drug interactions. Longer follow-up is needed, but this dual regimen appears as a promising strategy for aging HIV-infected patients.