The Journal of antimicrobial chemotherapy · 2026
Cumulative exposure to integrase inhibitors and metabolic factors as independent predictors of severe hepatic steatosis in people with HIV.
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Panza Francesca, Crispo Manuel, Sambo Margherita, Bailoni Alessandra, Morelli Enrico, Giuliano Gabriele, Romano Daniela, Pippi Francesco, Trezzi Michele, Montagnani Francesca, Tumbarello Mario, Fabbiani Massimiliano
Аннотация
BACKGROUND: The progressive ageing of people living with HIV (PLWH) has increased hepatic and metabolic comorbidities.
OBJECTIVES: This study evaluates the impact of HIV-related, metabolic and behavioural factors on hepatic steatosis and fibrosis development using vibration-controlled transient elastography (VCTE).
METHODS: This is a single-centre cross-sectional study evaluating an Italian cohort of PLWH at an academic medical centre. Steatosis (via CAP, dB/m) and fibrosis (kPa) were assessed using VCTE. Lifestyle habits were investigated through a structured questionnaire. Factors associated with severe steatosis (S3) and with fibrosis were analysed.
RESULTS: Overall, 265 patients were included (median age 53.9 years; 89.4% with HIV-RNA < 50 copies/mL; median CD4 count 758 cells/mm3). Moderate-to-severe steatosis (S2-S3) affected 49% of the cohort (S3: 28.5%). In multivariate analysis, independent predictors of severe (S3) steatosis were longer cumulative integrase inhibitor (InSTI) exposure (aOR 1.19/year, P = 0.002), higher BMI (aOR 1.45 per kg/m2, P < 0.001), daily alcohol consumption (aOR 2.41, P = 0.031) and higher LDL cholesterol (aOR 1.20 per +10 mg/dL, P = 0.003). Regular physical activity was associated with lower CAP. Higher CAP values showed an independent association with increased liver stiffness (mean change +0.07 kPa per +10 db/m, P = 0.016), while virological suppression (HIV-RNA < 50 copies/mL) was significantly associated with reduced liver stiffness (mean change -1.61 kPa, P = 0.001).
CONCLUSIONS: Hepatic steatosis and fibrosis are highly prevalent in PLWH. Cumulative InSTI exposure and metabolic factors may drive severe steatosis, which may accelerate fibrotic damage, whereas effective virological suppression can significantly lower fibrosis risk. Strict metabolic monitoring and lifestyle interventions should be integrated into PLWH long-term care protocols.
OBJECTIVES: This study evaluates the impact of HIV-related, metabolic and behavioural factors on hepatic steatosis and fibrosis development using vibration-controlled transient elastography (VCTE).
METHODS: This is a single-centre cross-sectional study evaluating an Italian cohort of PLWH at an academic medical centre. Steatosis (via CAP, dB/m) and fibrosis (kPa) were assessed using VCTE. Lifestyle habits were investigated through a structured questionnaire. Factors associated with severe steatosis (S3) and with fibrosis were analysed.
RESULTS: Overall, 265 patients were included (median age 53.9 years; 89.4% with HIV-RNA < 50 copies/mL; median CD4 count 758 cells/mm3). Moderate-to-severe steatosis (S2-S3) affected 49% of the cohort (S3: 28.5%). In multivariate analysis, independent predictors of severe (S3) steatosis were longer cumulative integrase inhibitor (InSTI) exposure (aOR 1.19/year, P = 0.002), higher BMI (aOR 1.45 per kg/m2, P < 0.001), daily alcohol consumption (aOR 2.41, P = 0.031) and higher LDL cholesterol (aOR 1.20 per +10 mg/dL, P = 0.003). Regular physical activity was associated with lower CAP. Higher CAP values showed an independent association with increased liver stiffness (mean change +0.07 kPa per +10 db/m, P = 0.016), while virological suppression (HIV-RNA < 50 copies/mL) was significantly associated with reduced liver stiffness (mean change -1.61 kPa, P = 0.001).
CONCLUSIONS: Hepatic steatosis and fibrosis are highly prevalent in PLWH. Cumulative InSTI exposure and metabolic factors may drive severe steatosis, which may accelerate fibrotic damage, whereas effective virological suppression can significantly lower fibrosis risk. Strict metabolic monitoring and lifestyle interventions should be integrated into PLWH long-term care protocols.