Displaying publications 1 - 20 of 25 in total

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  1. Perveen RA, Nasir M, Talha KA, Selina F, Islam MA
    Med J Malaysia, 2020 11;75(6):710-716.
    PMID: 33219182
    INTRODUCTION: Currently, there are several attempts to find an effective antiviral drugs against the COVID-19. Although majority of the COVID-19 patients have mild to moderate clinical events, up to 5-10% may have severe, life threatening events that urgently require effective drugs. The purpose of this systematic review is to evaluate the effectiveness of antiviral therapies in the treatment of COVID-19.

    METHODS: An extensive search was performed in PubMed, EMBASE, Cochrane Library for randomised controlled trials (RCTs), prospective case series studies that evaluated therapies COVID-19. The outcomes searched for were mortality, recovery rate, length of hospital stay and clinical improvement from January to May 15, 2020. Independent reviewers searched, identified, screened, and related studies were included.

    RESULTS: Total of five RCTs on 439 patients and seventeen case series involving 1656 patients were found in the specified review period that reported the use of Lopinavir, Ritonavir, Remdesivir. Oseltamivir, Ribavirin in patients with COVID-19; but none of which showed efficacy of antiviral therapy. Such current findings impede researchers from recommending an appropriate and effective antiviral therapy against COVID-19, making it a serious concern for the global community.

    DISCUSSION: In the present pandemic and any future epidemics, all the related authorities should pursue many more RCTs, cohort and case series for a prospective outcome in the management and treatment guidelines.

    Matched MeSH terms: Ribavirin/therapeutic use*
  2. Rahman MT
    J Herb Med, 2020 Oct;23:100382.
    PMID: 32834942 DOI: 10.1016/j.hermed.2020.100382
    An effective vaccine to prevent the SARS-CoV-2 causing COVID-19 is yet to be approved. Further there is no drug that is specific to treat COVID-19. A number of antiviral drugs such as Ribavirin, Remdesivir, Lopinavir/ritonavir, Azithromycin and Doxycycline have been recommended or are being used to treat COVID-19 patients. In addition to these drugs, rationale and evidence have been presented to use chloroquine to treat COVID-19, arguably with certain precautions and criticism. In line with the proposed use of chloroquine, Nigella sativa (black seed) could be considered as a natural substitute that contains a number of bioactive components such as thymoquinone, dithymoquinone, thymohydroquinone, and nigellimine. Further benefits to use N. sativa could be augmented by Zn supplement. Notably, Zn has been proven to improve innate and adaptive immunity in the course of any infection, be it by pathogenic virus or bacteria. The effectiveness of the Zn salt supplement could also be enhanced with N. sativa as its major bioactive component might work as ionophore to allow Zn2+ to enter pneumocytes - the target cell for SARSCoV-2. Given those benefits, this review paper describes how N. sativa in combination with Zn could be useful as a complement to COVID-19 treatment.
    Matched MeSH terms: Ribavirin
  3. Hamidah A, Yong JF, Zulkifli HI, Jamal R
    Med J Malaysia, 2002 Sep;57(3):353-6.
    PMID: 12440276
    We describe two cases of transfusion dependent thalassaemics with chronic hepatitis C virus infection whom were treated successfully with interferon and ribavirin, following failure of response or relapse after an initial response to interferon monotherapy. They had sustained virological response for more than twelve months after completing therapy. Transfusion requirements were significantly increased during the combination therapy, probably due to ribavirin-induced haemolysis. Serum ferritin level decreased significantly during the treatment. Combination therapy with interferon alfa and ribavirin may be a feasible treatment option for some nonresponders to prior interferon monotherapy.
    Matched MeSH terms: Ribavirin/administration & dosage; Ribavirin/therapeutic use*
  4. Zandi K
    Methods Mol Biol, 2016;1426:255-62.
    PMID: 27233278 DOI: 10.1007/978-1-4939-3618-2_23
    Screening of viral inhibitors through induction of cytopathic effects (CPE) by conventional method has been applied for various viruses including Chikungunya virus (CHIKV), a significant arbovirus. However, it does not provide the information about cytopathic effect from the beginning and throughout the course of virus replication. Conventionally, most of the approaches are constructed on laborious end-point assays which are not capable for detecting minute and rapid changes in cellular morphology. Therefore, we developed a label-free and dynamical method for monitoring the cellular features that comprises cell attachment, proliferation, and viral cytopathogenicity, known as the xCELLigence real-time cell analysis (RTCA). In this chapter, we provide a RTCA protocol for quantitative analysis of CHIKV replication using an infected Vero cell line treated with ribavirin as an in vitro model.
    Matched MeSH terms: Ribavirin/pharmacology*
  5. Suresh RL, Suryati Y, Merican I
    Med J Malaysia, 2003 Oct;58(4):594-6.
    PMID: 15190636
    Chronic hepatitis C manifests with many extrahepatic features including renal involvement. However, less commonly, interferon therapy for chronic hepatitis C can also result in renal involvement and we describe a case when interferon therapy resulted in minimal change glomerulopathy, a form of involvement which, carries a good prognosis. Our patient developed nephrotic syndrome while on interferon therapy and HCV RNA levels were undetectable at that time. The disease showed excellent response to steroid therapy.
    Matched MeSH terms: Ribavirin/administration & dosage
  6. Sim SM, Hoggard PG, Sales SD, Phiboonbanakit D, Hart CA, Back DJ
    AIDS Res Hum Retroviruses, 1998 Dec 20;14(18):1661-7.
    PMID: 9870320
    Zidovudine (ZDV) is converted to its active triphosphate (ZDVTP) by intracellular kinases. The intermediate ZDV monophosphate (ZDVMP) is believed to play a major role in ZDV toxicity. Manipulation of ZDV phosphorylation is a possible therapeutic strategy for altering the risk-benefit ratio. Here we investigate whether combining RBV with ZDV is able to modulate efficacy and toxicity of ZDV. We have measured the intracellular activation of ZDV (0.3 microM) in the absence and presence of ribavirin (RBV; 2 and 20 microM) in Molt 4 and U937 cells. MTT cytotoxicity of ZDV (10-1000 microM) was also measured with and without RBV (2 microM) in Molt 4 and U937 cells. Measurement of endogenous deoxythymidine triphosphate (dTTP) allowed investigation of the dTTP/ZDVTP ratio. The antiviral efficacy of ZDV in combination with RBV (2 microM) was assessed by HIV p24 antigen measurements. In the presence of RBV (2 and 20 microM) a decrease in total ZDV phosphates was observed, owing mainly to an effect primarily on ZDVMP rather than the active ZDVTP. RBV also increased endogenous dTTP pools in both cell types, resulting in an increase in the dTTP/ZDVTP ratio. ZDV alone significantly reduced p24 antigen production, with an IC50 of 0.34 microM. Addition of RBV increased the IC50 approximately fivefold (1.52 microM). However, at higher concentrations of ZDV (10 and 100 microM) the antagonistic effect of RBV (2 microM) on ZDV was lost. The RBV-mediated decrease in ZDVMP may explain the reduction in ZDV toxicity when combined with RBV (2 microM). Cytotoxicity of ZDV was reduced in the presence of RBV (2 microM) at all concentrations in both cell lines, probably owing to saturation of ZDVTP formation. The interaction of ZDV and RBV is concentration dependent.
    Matched MeSH terms: Ribavirin/pharmacology*
  7. Rothan HA, Bahrani H, Mohamed Z, Teoh TC, Shankar EM, Rahman NA, et al.
    PLoS One, 2015;10(5):e0126360.
    PMID: 25970853 DOI: 10.1371/journal.pone.0126360
    Lack of vaccine and effective antiviral drugs against chikungunya virus (CHIKV) outbreaks have led to significant impact on health care in the developing world. Here, we evaluated the antiviral effects of tetracycline (TETRA) derivatives and other common antiviral agents against CHIKV. Our results showed that within the TETRA derivatives group, Doxycycline (DOXY) exhibited the highest inhibitory effect against CHIKV replication in Vero cells. On the other hand, in the antiviral group Ribavirin (RIBA) showed higher inhibitory effects against CHIKV replication compared to Aciclovir (ACIC). Interestingly, RIBA inhibitory effects were also higher than all but DOXY within the TETRA derivatives group. Docking studies of DOXY to viral cysteine protease and E2 envelope protein showed non-competitive interaction with docking energy of -6.6±0.1 and -6.4±0.1 kcal/mol respectively. The 50% effective concentration (EC50) of DOXY and RIBA was determined to be 10.95±2.12 μM and 15.51±1.62 μM respectively, while DOXY+RIBA (1:1 combination) showed an EC50 of 4.52±1.42 μM. When compared, DOXY showed higher inhibition of viral infectivity and entry than RIBA. In contrast however, RIBA showed higher inhibition against viral replication in target cells compared to DOXY. Assays using mice as animal models revealed that DOXY+RIBA effectively inhibited CHIKV replication and attenuated its infectivity in vivo. Further experimental and clinical studies are warranted to investigate their potential application for clinical intervention of CHIKV disease.
    Matched MeSH terms: Ribavirin/pharmacology*; Ribavirin/therapeutic use
  8. Chong HT, Kamarulzaman A, Tan CT, Goh KJ, Thayaparan T, Kunjapan SR, et al.
    Ann Neurol, 2001 Jun;49(6):810-3.
    PMID: 11409437
    Nipah virus, a newly identified paramyxovirus caused a severe outbreak of encephalitis in Malaysia with high fatalities. We report an open-label trial of ribavirin in 140 patients, with 54 patients who were managed prior to the availability of ribavirin or refused treatment as control. There were 45 deaths (32%) in the ribavirin arm; 29 deaths (54%) occurred in the control arm. This represents a 36% reduction in mortality (p = 0.011). There was no associated serious side effect. This study suggests that ribavirin is able to reduce the mortality of acute Nipah encephalitis.
    Matched MeSH terms: Ribavirin/adverse effects; Ribavirin/therapeutic use*
  9. Bee Keng Law, Euginie Tracy Wong, Qiao Wei Liew, Zhi Sam Heng
    MyJurnal
    Introduction: Hepatitis C virus (HCV) is a worrying public health issue worldwide. The introduction of direct-acting antiviral agents (DAAs) brings revolution to HCV treatment. Pharmacists’ role in Malaysia is significant since the implementation of Medication Therapy Adherence Clinic (MTAC). This study aims to determine the sustained virological response (SVR12) for HCV patients treated with Sofosbuvir and Daclatasvir and/or Ribavirin. Besides, it evaluates adherence rate, types of pharmaceutical intervention and physicians’ acceptance rate.
    Matched MeSH terms: Ribavirin
  10. Rozainanee Mohd Zain, Sharifah Aina Afzan Syed Aminuddin, Nurul Asshikin Ruslan, Sairulakhma Awang, Ravindran Thayan
    MyJurnal
    Introduction: Elimination of viral hepatitis as a major public health threat by 2030 was announced by the Global Health Sector Strategy (GHSS) on viral hepatitis in 2016. Hepatitis C is one of the major causes of liver cirrhosis and liver cancer. Complications as a results of hepatitis C infection can be prevented as hepatitis C infection is now con-sidered as a curable disease with the availability of Direct Acting Agents (DAAs). However, the main barrier towards treating and curing all HCV infected patients is a high cost of DAAs. The treatment regime of hepatitis C infection in Malaysia is sofosbuvir and daclastavir, an NS5A inhibitor. Daclastavir was reported as inherently resistant to HCV GT 3. Thus, this study aimed to develop an assay to detect the resistance associated substitution (RAS) towards the NS5A inhibitor among HCV GT 3 infected patients. Methods: Samples for the study were obtained from various hospitals in Malaysia. The samples were collected from DAAs naïve HCV GT 3 infected patients. From the literature review, a specific assay was chosen with different sets of primers were selected for the study. The DNA sequences of NS5A region of HCV genome were submitted to the geno2pheno [HCV] resistance database by Max Planck Institut (MPI) Informatics to yield RAS. Results: Suitable primers were identified based on generated amplicons produced for the samples which NS5A region were successfully sequenced. Results were obtained based on the 213 codon generated from the population based Sanger sequencing. RAS/ RASs towards Daclastavir were produced and the susceptibility result towards the drug was generated. Conclusion: The assay was successfully optimised and able to generate drug resistance results towards Daclastavir which might have impacts on the duration of treatment and/or inclusion of ribavirin in managing HCV infected patients in Malaysia.
    Matched MeSH terms: Ribavirin
  11. Manns M, Zeuzem S, Sood A, Lurie Y, Cornberg M, Klinker H, et al.
    J Hepatol, 2011 Sep;55(3):554-563.
    PMID: 21237227 DOI: 10.1016/j.jhep.2010.12.024
    BACKGROUND & AIMS: There is increasing interest in identifying patients with chronic hepatitis C genotype 2 or 3 infection in whom it is possible to lower the burden of therapy while retaining high levels of efficacy.

    METHODS: Treatment-naive patients with chronic hepatitis C genotype 2/3 infection were randomized to receive peginterferon alfa-2b (1.5μg/kg/wk) for 24weeks (group A); peginterferon alfa-2b (1.0μg/kg/wk) for 24weeks (group B); or peginterferon alfa-2b (1.5μg/kg/wk) for 16weeks (group C), each in combination with weight-based ribavirin (800-1200mg/d). The study population comprised two cohorts: the Hep-Net cohort enrolled in Germany and an International cohort enrolled at study sites throughout Europe and Asia. The primary end point was sustained virological response (SVR).

    RESULTS: The study included 682 patients; 80.2% had genotype 3 infection. In the intent-to-treat population, SVR rates were 66.5%, 64.3%, and 56.6% in groups A, B, and C, and were similar in Asian and white patients. Treatment differences (A vs. B and A vs. C) failed to reach the predefined margin for noninferiority of -10%; and thus groups B and C failed to show noninferiority relative to group A. Among patients with undetectable HCV RNA at week 4, SVR rates were 75.3%, 75.9%, and 72.4%, respectively. Relapse rates were 17.8%, 16.3%, and 29.3%, respectively. Treatment-emergent serious adverse events were highest in group A and lowest in group C, and adverse events leading to discontinuation were similar across treatment arms.

    CONCLUSIONS: For patients with chronic hepatitis C genotype 2/3 infection, 24weeks of peginterferon alfa-2b (1.5μg/kg/wk) plus weight-based ribavirin remains a standard-of-care therapy; however, treatment for 16weeks may be considered for patients with undetectable HCV RNA at week 4 of the treatment.

    Matched MeSH terms: Ribavirin/administration & dosage*; Ribavirin/adverse effects; Ribavirin/therapeutic use
  12. Hamidah A, Thambidorai CR, Jamal R
    Med J Malaysia, 2005 Oct;60(4):517-9.
    PMID: 16570722
    We describe a patient with HbE-beta thalassaemia and chronic hepatitis C virus infection (genotype 1a) who was treated successfully with peginterferon alfa-2b and ribavirin, following failure to respond to standard interferon and ribavirin therapy. She had sustained virological response for nearly 24 months after completing peginterferon alfa-2b and ribavirin therapy. Transfusion requirements were significantly increased during combination therapy due to ribavirin-induced haemolysis. The adverse effects of interferon were well tolerated. Combination therapy with peginterferon alfa-2b and ribavirin maybe a feasible treatment option for a subset of thalassaemia/HCV infected non-responders to standard interferon-based therapy.
    Matched MeSH terms: Ribavirin/therapeutic use*
  13. Seow EL, Robert Ding PH
    Med J Malaysia, 2005 Dec;60(5):637-41.
    PMID: 16515116
    This was an open-label, uncontrolled study with the aim of assessing the efficacy and safety of pegylated interferon alfa-2b plus ribavirin in the treatment of chronic hepatitis C. The study was conducted in Island Hospital, Penang beween January 2002 and December 2003. Thirty-three patients were enrolled in this study with ten defaulters. The overall sustained virological response (SVR) (Intention-To-Treat analysis) in naïve patients was 39.10%. However, when the study was adjusted to only include those who completed treatment and follow-up, overall SVR as 52.9%. Side-effects were tolerable in most patients with anaemia occurring in 22 patients (66.7%), leukopenia 23 patients (69.7%) and thrombocytopenia in 15 patients (45.5%). This study showed that pegylated interferon alfa-2b 1.5 mcg/kg/week plus ribavirin > 10.6 mg/kg/day is efficacious and safe to be used in the treatment of: chronic hepatitis C.
    Matched MeSH terms: Ribavirin/administration & dosage*
  14. Gane E
    Med J Malaysia, 2005 Jul;60 Suppl B:72-6.
    PMID: 16108179
    Matched MeSH terms: Ribavirin/therapeutic use
  15. Lee HL, Phong TV, Rohani A
    PMID: 23413698
    This study was conducted to determine the inhibitory effects of ribavirin and hydroxyurea on dengue virus replication in Aedes aegypti mosquitoes. Female Ae. aegypti mosquitoes were infected with dengue-2 virus and fed ribavirin at a dose of 0.3 mg/ml and/or hydroxyurea at a dose of 6 mg/ml via artificial membrane feeding technique. The virus in infected mosquitoes was isolated using C6/36 cell culture. Peroxidase-antiperoxidase (PAP) staining was used to detect dengue-infected C6/36 cells and to quantify the level of infection by determining the presence of infected cells. In mosquitoes treated with ribavirin alone, hydroxyurea alone or both drugs in combination had reductions in dengue infection rates of 87.72, 89.47 and 95.61%, respectively. The mortalities of female Ae. aegypti mosquitoes fed with these drugs were significantly higher than the control. Ribavirin also had an inhibitory effect on the fecundity of female Ae. aegypti mosquitoes.
    Matched MeSH terms: Ribavirin/administration & dosage*
  16. Naing C, Sitt T, Aung AT, Aung K
    Medicine (Baltimore), 2015 Jul;94(30):e1234.
    PMID: 26222859 DOI: 10.1097/MD.0000000000001234
    In Myanmar, hepatitis C virus (HCV) infection prevalence is 2%. A combination therapy of pegylated interferon alfa-2a and ribavirin (PEG-IFNa/RBV) is a standard treatment, but the effect of this antiviral therapy needs evaluation as to determine the efficacy and safety of dual PEG-IFNa/RBV therapy in treating patients infected with HCV in Myanmar.This was a retrospective analysis of data from a single clinic exclusively for gastrointestinal diseases in Yangon, Myanmar. We assessed treatment responses at the defined time points and stratified by genotypes of HCV. We also determined incidences of adverse events (AEs). We investigated independent predictors of sustained virologic response (SVR) in the participants.A total of 362 HCV-infected cases were included in this study. The majority were females (51.7%) with mean age of 47.12 years (±11.6) and noncirrhosis patients (82%). Rapid virologic response (RVR), early virologic response (EVR), end of treatment response (ETR), and SVR 24 weeks after completion of the dual treatment were 50.3% (178/362), 88% (314/357), 80.1% (286/357), and 85.6% (167/195), respectively. The most frequently reported AEs were nausea/anorexia (72.8%) and flu-like symptoms (62.4%). In multivariate analysis, 4 factors were independently associated with SVR; SVR to genotype 3 (odds ratio [OR] 2.4, 95% CI: 1.24-4.62), EVR (OR 0.54, 95% CI: 0.3-0.95), and duration of treatment (OR 1.52, 95% CI: 1.18-1.98). Study limitations were acknowledged.The efficacy and safety of the dual therapy in treating HCV-infected patient in Myanmar was acceptable. We recommend a prospective randomized control trial looking at duration of therapy and rates of achieving SVR, which could significantly impact the care of HCV-infected patients in Myanmar and perhaps other countries as well.
    Matched MeSH terms: Ribavirin/administration & dosage*
  17. Lim SG, Phyo WW, Shah SR, Win KM, Hamid S, Piratvisuth T, et al.
    J Viral Hepat, 2018 12;25(12):1533-1542.
    PMID: 30141214 DOI: 10.1111/jvh.12989
    There is a paucity of information on chronic hepatitis C (CHC) patients treated with direct antiviral agents (DAAs) in Asia. We invited Asia-Pacific physicians to collate databases of patients enrolled for CHC treatment, recording baseline clinical, virologic and biochemical characteristics, sustained virologic response at week 12 (SVR12) and virologic failure. SVR12 outcome was based on intention to treat (ITT). Multivariate analysis was used to assess independent risk factors for SVR12 using SPSS version 20. A total of 2171 patients from India (n = 977), Myanmar (n = 552), Pakistan (n = 406), Thailand (n = 139), Singapore (n = 72) and Malaysia (n = 25) were collected. At baseline, mean age was 49 years, 50.2% were males, and 41.8% had cirrhosis. Overall, SVR12 was 89.5% and by genotype (GT) based on ITT and treatment completion, respectively, was 91% and 92% for GT1, 100% and 100% for GT2, 91% and 97% for GT3, 64% and 95% for GT4, 87% and 87% for GT6 and 79% and 91% for GT untested. Patients with cirrhosis had SVR12 of 85% vs 93% for noncirrhosis (P < 0.001) (RR 2.1, 95% CI 1.4-3.1, P = 0.0002). Patients with GT1 and GT3 treated with sofosbuvir/ribavirin (SR) had 88% and 89% SVR12, respectively, but those GT6 treated with sofosbuvir/ledipasvir (SL) had only 77.6% SVR12. Multivariate analysis showed absence of cirrhosis was associated with higher SVR12 (OR 2.0, 95% CI 1.3-3.1, P = 0.002). In conclusion, patients with GT1 and GT3 with/without cirrhosis had surprisingly high efficacy using SR, suggesting that Asians may respond better to some DAAs. However, poor GT6 response to SL suggests this regimen is suboptimal for this genotype.
    Matched MeSH terms: Ribavirin/therapeutic use
  18. Abd El-Maksoud E, Salem AM, Maher AM, Hegazy MGA
    Trop Biomed, 2020 Dec 01;37(4):1083-1092.
    PMID: 33612760 DOI: 10.47665/tb.37.4.1083
    HCV genotype 4 dominates the HCV epidemic in Egypt. Drug resistance was the most serious side effect that reflects bad clinical outcome. Several studies had demonstrated that baseline serum interferon-γ-inducible-protein 10 (IP-10) levels and interleukin 28B polymorphisms were associated with the resistance to the standard of care pegylated interferon alpha and ribavirin (PEG-IFNα/RBV) therapy and development of post-treatment relapse. Our purpose was to assess the predictive value of combining IP-10 levels and IL28B genotypes to PEG-IFNα/RBV therapy response in Egyptian chronic HCV infection patients with genotype 4. Ninety Egyptian patients chronically infected by HCV genotype-4 treated with pegylated interferon alpha and ribavirin (PEG-IFNα/RBV) therapy were enrolled. Serum IP-10 levels were determined by enzyme linked immunosorbent assay pre- and post- treatment. IL-28B (rs12979860 and rs8099917) polymorphisms were performed by PCR-RFLP in all patients. Overall, 38 patients (42.2%) achieved sustained virologic response (SVR) and 52 (57.8%) patients have non-viral response (NVR). Pretreatment serum IP-10 mean levels were significantly lower in patients who achieved SVR than in NVR (P<0.05). CC genotype in IL28B polymorphism (rs12979860) was the favorable genotype as 65.8% achieved SVR, while TT genotype in IL-28B polymorphism (rs8099917) was the favorable genotype as 81.5% achieved SVR. Baseline IP-10 was significantly correlated to genotypes CC in rs12979860 and TT in rs8099917. Combined use of serum baseline IP-10 levels with IL-28B polymorphisms could improve the prediction of SVR to PEG-IFNα/RBV therapy in Egyptian chronic HCV infection patients with genotype 4.
    Matched MeSH terms: Ribavirin/therapeutic use
  19. Tan SS, Adlin Nadia Z
    Med J Malaysia, 2017 06;72(3):165-174.
    PMID: 28733564 MyJurnal
    AIM: To describe the clinical characteristic of hepatitis C (HCV) patients and the results of pegylated interferon and ribavirin (PegIFN/RBV) therapy in a routine clinical practice.

    METHODS: A retrospective review of consecutive HCV patients treated with PegIFN/RBV in 2004 to 2012.

    RESULTS: A total of 273 patients received treatment. The mean age was 44.16 ± 10.5 years and 76% were male. The top 2 self-reported risks were blood or blood product transfusion before 1994 and injection drug use, found in 57.1% of patients. The predominant HCV genotype (GT) was 3 at 60.6%, second was GT1 at 36.1% and other GTs were uncommon at about 1% or less. About half of our patients have high baseline viral load (>800,000 iu/ml), 18.3% had liver cirrhosis and 22.3% had HIV co-infection. Co-morbid illness was found in 42.9%, hypertension and type 2 diabetes were the two most common. The overall sustained virological response (SVR) by intention-to-treat analysis were 54.9% (n=150/273), 41.2% (40/97) for GT1, 100% (5/5) for GT2 and 62% (101/163) for GT3. Subgroup analysis for HCV monoinfected, treatment naïve showed SVR of 49.2% (31/63) for GT1, 100% (5/5) for GT2 and 67% (69/103) for GT3. In HCV mono-infected and treatment experienced (n=29), the SVR was 28.6% (4/14) for GT1, 21.4% (69/103) for GT3. In the HIV/HCV co-infected, treatment naïve (n=56), the SVR was 28.6% (4/14) for GT1 and 64.3% (27/42) for GT3. Treatment naïve GT3 mono-infected patients had a statistically significant higher SVR compared to treatment experienced patients (P=0.001). In GT3 patients who achieved rapid virological response, the SVR was significantly higher at 85.2% (P< 0.001). The SVR for cirrhotics were low especially for GT1 at 21% (4/19) and 31% (4/13) based on all patients and treatment naïve HCV monoinfected respectively. In GT3 cirrhotics the corresponding SVR were 57.1% (16/28) and 60.9% (14/23). Premature discontinuation rate was 21.2% with the majority due to intolerable adverse events at 12.1%.

    CONCLUSIONS: In our routine clinical practice, the HCV patients we treated were young, predominantly of GT3 and many had difficult-to-treat clinical characteristics. The SVR of our patients were below those reported in Asian clinical trials but in keeping with some "real world" data.

    Matched MeSH terms: Ribavirin/therapeutic use*
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