Background: Long-acting injectable antiretroviral therapy (LA-ART) with cabotegravir and rilpivirine (CAB + RPV) has emerged as a promising alternative to daily oral regimens for people living with HIV (PLWH), particularly those facing adherence challenges. While clinical trials have demonstrated its efficacy, real-world evidence remains limited. Methods: This retrospective, multicenter study evaluated the efficacy and safety of CAB + RPV in 160 virologically suppressed PLWH across eight Italian infectious disease units. Participants received intramuscular CAB (600 mg) and RPV (900 mg) every eight weeks without an oral lead-in phase. Clinical, immunological, and biochemical parameters were assessed at baseline and after 24 weeks. Results: At week 24, 96.25% of participants maintained virological suppression, and the proportion of individuals with target-not-detected viral load increased from 71% to 76%. Only one case of virological failure was observed. Significant immunological improvements included an increase in the CD4+/CD8+ ratio (p = 0.0038) and a reduction in CD8+ T-cell count (p = 0.0150). Biochemical analysis showed a decrease in serum creatinine (p < 0.0001) and an increase in HDL cholesterol (p = 0.0223). Treatment discontinuation occurred in 3.75% of participants, primarily due to adverse events or psychological factors. Conclusions: CAB + RPV demonstrated high efficacy and tolerability in a real-world setting, with favorable immunological and metabolic outcomes. These findings support its use as a viable therapeutic option for PLWH, especially those with adherence barriers. Further long-term studies are warranted to confirm these results across broader populations.
Conti et al. (Fri,) studied this question.
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