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A National Multicenter Study on Initial Antiviral Treatment Preferences on Chronic Hepatitis B: Entecavir Versus
Tansu Yamazhan1, Esra Zerdali2, Yusuf Önlen3
1Department of Infectious Diseases and Clinical Microbiology, Ege University Faculty of Medicine, Izmir, Türkiye.
Background/Aims:
Selecting the initial antiviral regimen for chronic hepatitis B (CHB) requires balancing patients' comorbidities and long-term safety. This study examines the differences in patient and disease-related factors that guide clinicians to prescribe either entecavir (ETV) or tenofovir disoproxil fumarate (TDF) as the initial treatment.
Materials And Methods:
The study included treatment-naïve CHB patients aged 18 or older who had been diagnosed for at least 1 year since 2010 and initiated on antiviral therapy. The data included variables such as age, gender, body mass index (BMI), comorbidities, liver disease activity, biopsy results, cirrhosis, hepatic steatosis, hepatitis B e antigen status, hepatitis B virus DNA levels, triglycerides, cholesterol, renal function, and baseline bone mineral density (BMD), which were assessed by dual-energy x-ray absorptiometry (DEXA).
Results:
Among 2259 patients (61.6% male), 1270 patients (56.22%) received TDF, while 989 patients (43.78%) received ETV as first line therapy. The TDF was more commonly prescribed to patients with a lower BMI (median 25.7 vs. 26.2, P = .001) and lower baseline creatinine (0.75 vs. 0.80 for ETV, P < .001). Clinicians preferred ETV among patients with an estimated glomerular filtration rate (eGFR) < 60 (n = 36), (P < .001). The BMD was evaluated in 365 patients (16.3%). The DEXA scans were performed for 116 patients (11.8%) in the ETV group and 249 patients (19.8%) in the TDF group (P < .001).
Conclusions:
This national multicenter study emphasizes that patient-related factors, including gender, age, baseline renal function, and liver disease severity, significantly influence the choice of first-line antiviral therapy for CHB, often outweighing disease-specific factors. Cite this article as: Yamazhan T, Zerdali E, Önlen Y, et al. A national multicenter study on initial antiviral treatment preferences on chronic hepatitis B: Entecavir versus tenofovir disoproxil fumarate. Turk J Gastroenterol. 2026;37(2):179-185.
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