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- Title
In Vitro and In Vivo Renoprotective Effects of Telbivudine in Chronic Hepatitis B Patients Receiving Nucleotide Analogue.
- Authors
Mak, Lung-Yi; Liu, Sze-Hang; Yap, Desmond Yat-Hin; Seto, Wai-Kay; Wong, Danny Ka-Ho; Fung, James; Chan, Tak-Mao; Lai, Ching-Lung; Yuen, Man-Fung
- Abstract
<bold>Aim: </bold>Renal toxicity of adefovir disoproxil (ADV) and tenofovir disoproxil fumarate (TDF) is a significant concern in chronic hepatitis B (CHB) patients. Early observational clinical data suggested that telbivudine (LdT) might have renoprotective effects.<bold>Methods: </bold>In this prospective study, consecutive CHB patients on combined lamivudine (LAM) + ADV/TDF were switched to LdT + ADV/TDF at recruitment and were followed up for 24 months. Estimated glomerular filtration rate (eGFR) was calculated with the modification of diet in renal disease equation. The effects of LdT on cell viability and expression of kidney injury or apoptotic biomarkers were investigated in cultured renal tubular epithelial cell line HK-2.<bold>Results: </bold>Thirty-one patients (median age 55 years, 90.3% male) were recruited (54.8% TDF: 45.2% ADV). Serum HBV DNA was undetectable at all time points. Median eGFR was 70.2 (IQR 62.6-77.9) and 81.5 (IQR 63.6-99.1) mL/min/1.73 m2 at baseline and 24 months, respectively (p < 0.001). Downstaging of chronic kidney disease was observed in eight (25.8%) patients and was more common in ADV-treated compared to TDF-treated patients (7/8 vs. 1/17, p = 0.011; OR 16, 95% CI 1.643-155.766, p = 0.017). In vitro data showed that adding LdT to ADV or TDF was associated with improved cell viability and lower expression of injury and apoptotic biomarkers compared with ADV or TDF alone. Treatment was prematurely discontinued in four(12.9%) patients due to myalgia.<bold>Conclusions: </bold>Clinical and in vitro data suggest that LdT has renoprotective effects in patients on long-term ADV/TDF treatment. LdT may be considered as an adjuvant therapy in this special group of patients with renal impairment (NCT03778567).
- Subjects
CHRONIC hepatitis B; RENAL tubular transport disorders; NEPHROTOXICOLOGY; GLOMERULAR filtration rate; CHRONIC kidney failure; NUTRITIONALLY induced diseases
- Publication
Digestive Diseases & Sciences, 2019, Vol 64, Issue 12, p3630
- ISSN
0163-2116
- Publication type
journal article
- DOI
10.1007/s10620-019-05717-0