Abstract
Background & Aims
The impact of long-term nucleos(t)ide analogs treatment on host metabolism is a concern. Hence, we conducted this study to compare the effect of entecavir (ETV) and tenofovir disoproxil fumarate (TDF) on metabolic parameters among CHB patients.
Methods
In this real-life retrospective study, 2,030 CHB outpatients treated with ETV or TDF at Nanfang Hospital, China, were included. For treatment-naĆÆve patients, pretreatment and semiannual metabolic parameters were collected. For treatment-experienced patients, metabolic parameters were collected at the first visit. Propensity score matching (PSM) was used to balance the effects of potential confounding factors.
Results
Among 122 treatment-naĆÆve patients and 1908 treatment-experienced patients, ETV-treated patients were older with a higher percentage of metabolic syndrome. After PSM, the characteristics were comparable between the two groups. For treatment-naĆÆve patients, fou r lipid parameters, including total cholesterol (TC), low-density lipoprotein (LDL), high-density lipoprotein and triglyceride levels showed a decreasing trend during the 42-month TDF treatment, while they remained relatively stable or increased during ETV treatment. At month 30, the levels of TC and LDL among TDF-treated patients were significantly lower than those among ETV-treated patients (TC: 4.7 vs. 3.9 mmol/L, p=0.004; LDL: 3.0 vs. 2.4 mmol/L, p=0.009). For treatment-experienced patients, we also observed lower levels of lipid parameters in patients with different durations of TDF treatment. The levels of glucose and uric acid were similar among ETV- and TDF-treated patients.
Conclusion
TDF has a lipid-lowering effect in CHB patients, which provides a basis for the selection of antiviral drugs for aging CHB patients.
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