Abstract
Aims
To evaluate the efficacy and safety of 144-week tenofovir disoproxil fumarate (TDF) therapy in treatment-naïve chronic hepatitis B (CHB) patients in Korean.
Methods
In total, 579 treatment-naïve CHB patients at 11 medical centers were enrolled retrospective and prospective from September 2015 to January 2016 by design (NCT02533544). We evaluated the complete virologic response (CVR) rate and the renal safety of TDF.
Results
The overall CVR rate was 69.4%, 87.0%, and 89.7% at weeks 48, 96, and 144, respectively. In the HBeAg-positive CHB patients, the CVR rate at weeks 48, 96, and 144 was 61.4%, 83.1%, and 89.6%, respectively. The rates of HBeAg loss and seroconversion at weeks 48, 96, and 144 were 16.6%, 23.5%, 34.1%, and 7.6%, 8.9%, 13.3%, respectively. In HBeAg-negative CHB patients, the CVR rate at weeks 48, 96, and 144 was 82.5%, 93.2%, and 90.0%, respectively. The rate of alanine aminotransferase normalization was 36.9%, 45.4%, and 46.8% at weeks 48, 96, and 144, respectively. Of the CHB patients, 0.9% showed an elevated creatinine (> 0.5 mg/dL from baseline). Age (≥ 60 years) was significantly associated with a decline in renal function at week 144 (P < 0.0001). Comorbidities (diabetes or hypertension) showed the tendency to reduce renal function (P = 0.0624). Hepatocellular carcinoma developed in 10 (1.7%) patients and was related to cirrhosis.
Conclusions
TDF therapy induced sustained viral suppression and had a favorable safety profile over a 3-year period. However, close monitoring of renal function should be mandatory in treating CHB patients receiving TDF, particularly older patients.
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Funding
This study was funded by a grant from Gilead. The study sponsor had no oversight or influence on study design, collection, analysis, and interpretation of data or drafting the manuscript.
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All authors recruited patients and collected data or were involved in data interpretation. All authors were involved in drafting the manuscript and approved the final version of the manuscript.
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This study was conducted in accordance with the Declaration of Helsinki, and ethical approval was obtained from the Ethics Review Board of the Catholic University of Korea (XC15OIMI0052D). The study was registered with US ClinicalTrials.gov (Trial ID: NCT ID NCT02533544).
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Informed consent was obtained from all individual participants included in this study.
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Kwon, J.H., Song, M.J., Jang, J.W. et al. Efficacy and Safety of Tenofovir Disoproxil Fumarate in Treatment-Naïve Patients with Chronic Hepatitis B in Korea. Dig Dis Sci 64, 2039–2048 (2019). https://doi.org/10.1007/s10620-019-05489-7
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DOI: https://doi.org/10.1007/s10620-019-05489-7