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Title: Sofosbuvir and Velpatasvir Regimen Outcome for Chronic Hepatitis C Patients With End-Stage Renal Disease Undergoing Hemodialysis.
Author: Shahid S, Asghar S, Mahmood T, Fatima M, Rasheed A, Asghar S.
Journal: Cureus; 2023 Sep; 15(9):e45680. PubMed ID: 37868481.
Abstract:
Background Patients on hemodialysis (HD) are most likely to contract hepatitis C (HCV) infection, which is associated with significant morbidity and disease progression. Direct-acting antivirals (DAAs) are safe and tolerable in chronic kidney disease (CKD) with a 90-100% cure rate, and limited data exist regarding their efficacy in end-stage renal disease (ESRD), particularly for HD patients in South Asia. The study aimed to assess the outcome of a 12-week sofosbuvir (SOF) and velpatasvir (VEL) treatment regimen on ESRD patients with chronic HCV infection undergoing HD in the Pakistani Asian population. Methodology This prospective cohort study was conducted between January 2022 and January 2023 at the outpatient nephrology and gastroenterology clinic of Sheikh Zayed Medical College and Hospital, Rahim Yar Khan, Pakistan. This study included a total of 220 ESRD patients fulfilling the inclusion criteria, aged 20-55 years, who had been undergoing weekly HD sessions for at least two years, with acquired HCV infection. Data on demographic and clinical characteristics were collected through patient interviews. Laboratory and dialysis profiling was executed to assess ESRD and discover the underlying cause by ultrasound abdomen, blood pressure measurement by sphygmomanometer, random blood sugar for diabetes, and taking note of the duration and frequency of dialysis. HCV RNA PCR was done at selected intervals to evaluate the virological response to treatment. Sustained virological response (SVR), liver cirrhosis status, and number of weekly HD sessions were compared at one year of SOF/VEL regimen. Results The mean age of patients with ESRD was 41.8 with a standard deviation (SD) of 9.3 years, and HCV diagnosis was 1.3 years with SD of 0.4 years; 52.7% (n=116) were males, 47.3% (n=104) were females, 75% (n=165) were urban dwellers, and 93.6% (n=206) were married. CKD that requires dialysis was caused mainly by hypertension (78, 35%), diabetes mellitus type 2 (52, 24%), bilateral small kidney disease (40, 18%), and others (34, 16%). One hundred and six (48.2%) received dialysis thrice weekly, 83 (37.7%) twice, and 31 (14.1%) once weekly. The study monitored the rapid virological response (RVR) at four weeks of SOF/VEL regimen in 89.5% of ESRD patients, observed end-of-treatment response (ETR) at 12 weeks in 93.2%, and noted 91.4% SVR response at one year. Only four (1.8%) relapses were observed in the study, which was statistically insignificant. The status of liver cirrhosis showed a 50% improvement, decreasing from 40% to 20%. The frequency of weekly HD sessions decreased from thrice to twice-thrice a week. Conclusion The prevalence of contracting HCV is high among CKD and dialysis ESRD patients. All-oral DAA therapy has revolutionized HCV treatment with co-morbidities. Renal functions improved after the SOF/VEL regimen for chronic HCV infection in ESRD patients undergoing HD, with the number of weekly dialysis sessions reduced and SVR reaching 91.4%. Thus, a single-tablet, pan-genotypic DAA regimen of SOF/VEL for 12 weeks is safe, effective, and tolerable regardless of the underlying etiology of ESRD, complications of cirrhosis, HCV genotype, or previous treatment exposure. The successful treatment of HCV and achieving SVR lowers the risk of ESRD complications, improves extra-hepatic manifestations, and greatly enhances survival. Further studies are warranted after the availability of other DAAs to confirm findings with no limitations.

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