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Guideline [Diagnosis and management of chronic hepatitis B] 2008
Husa P, Plísek S, Sperl J, Urbánek P, Galský J, Hůlek P, Kümpel P, Nemecek V, Volfová M, Anonymous00254. · Klinika infekcnich chorob Lékarské fakulty MU a FN Brno, pracoviste Bohunice, prednosta. · Klin Mikrobiol Infekc Lek. · Pubmed #18459234 No free full text.
This publication has no abstract.
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Guideline [Diagnosis and treatment of chronic hepatitis B. Recommendations of the Czech Hepatology Society of the J. E. Purkinje Medical Society and the Society of Infectious Medicine of the J.E. Purkinje Medical Society] 2007
Husa P, Plísek S, Sperl J, Urbánek P, Galský J, Hůlek P, Kümpel P, Nemecek V, Volfová M, Anonymous00156. · Klinika infekcních chorob Lékarské fakulty MU a FN Brno, pracoviste Bohunice. · Vnitr Lek. · Pubmed #18277633 No free full text.
Abstract: Chronic hepatitis B is one of the world's most common infectious diseases. In the Czech Republic it has a prevalence of 0.56%. Antiviral therapy for chronic hepatitis B demonstrably increases quality of life and where indication criteria are met and standard therapeutic procedures are followed, it is clearly cheaper than treatment for the complications of advanced cirrhosis of the liver or hepatocellular carcinoma. At the time of issuing of this recommendation, 4 medicines were classified for the treatment of chronic hepatitis B in the Czech Republic--pegylated interferon (IFN) alpha-2a, conventional IFN alpha, lamivudine (LAM) and adefovir dipivoxil (ADV). In a number of other developed states, entecavir (ETV) and telbivudine (LdT) have also been approved for treatment. The most effective treatment available at present is pegylated IFN alpha-2a, which should be the medication of first choice for initial treatment of hepatitis B, HBeAg positive and negative forms, provided that there are no contraindications for IFN alpha treatment. Conventional (standard, classical) IFN alpha can also be used, though clinical studies have shown it to be less effective than pegylated IFN alpha-2a. The main advantage of interferon compared to other commercially available medications is its relatively shorter and more clearly defined treatment period, the high probability of permanent suppression of virus replication and seroconversion of HBeAg/anti-HBe (in HBeAg positive forms of the illness) and the non-creation of mutant strains of HBV resistant to IFN in the course of treatment. If there are contraindications for IFN alpha (pegylated or conventional) or it is ineffective or poorly tolerated, ADV, ETV, LAM or LdT can be used. LAM and LdT treatments are often accompanied by the appearance of mutant strains of HBV, that are resistant to lamivudine or LdT and therefore they are not preferred.
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Editorial [Treatment outcomes in chronic hepatitis C in the Czech Republic are comparable to the most developed countries in the world] 2009
Husa P. · No affiliation provided · Vnitr Lek. · Pubmed #19514608 No free full text.
This publication has no abstract.
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Editorial Dual hepatitis B virus and hepatitis C virus infection: To treat or not to treat, and how? 2005
Husa P. · No affiliation provided · J Gastroenterol Hepatol. · Pubmed #15853976 No free full text.
This publication has no abstract.
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Editorial [Liver transplantation finally available also for our patients with chronic hepatitis B virus infection] 2004
Husa P. · No affiliation provided · Vnitr Lek. · Pubmed #15717799 No free full text.
This publication has no abstract.
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Editorial [Adefovir dipivoxil--a further step in the control of chronic viral hepatitis B. There is still a long way to go] 2004
Husa P. · No affiliation provided · Vnitr Lek. · Pubmed #15125364 No free full text.
This publication has no abstract.
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Editorial [Genotyping of hepatitis B virus--is it as important as hepatitis C virus?] 2004
Husa P. · No affiliation provided · Vnitr Lek. · Pubmed #15077582 No free full text.
This publication has no abstract.
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Editorial [Liver biopsy in chronic hepatitis virus C infection--unnecessary, useful or useless?] 2002
Husa P. · No affiliation provided · Vnitr Lek. · Pubmed #12577448 No free full text.
This publication has no abstract.
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Review [Standard diagnostic and therapeutic approach to the chronic infection with hepatitis C (HCV) virus] 2008
Urbánek P, Husa P, Galský J, Sperl J, Kümpel P, Nemecek V, Plísek S, Volfová M. · Interni klinika 1. LF UK a UVN, Praha. · Cas Lek Cesk. · Pubmed #18630184 No free full text.
This publication has no abstract.
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Review Hepatitis D. 2005
Husa P, Linhartová A, Nemecek V, Husová L. · Department of Infectious Diseases, University Hospital Brno, Jihlavska 20, 625 00 Brno, Czech Republic. · Acta Virol. · Pubmed #16402678 No free full text.
Abstract: Hepatitis D virus (HDV) is a small, RNA-containing virus that requires the concomitant presence of Hepatitis B virus (HBV) in an obligate manner for its survival and pathogenicity. HDV infection is very uncommon in Czech Republic. The results of antiviral therapy of hepatitis D patients are not satisfactory. Alpha-interferon (alpha-IFN) in high doses (9-10 MU three times a week for 12 months) is usually recommended.
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Review [The SEN virus--will there be another letter in the alphabet of viral hepatitis?] ] 2002
Husa P, Chalupa P, Husová L. · Klinika infekcních chorob Lékarské fakulty MU a FN Brno, pracovistĕ Bohunice. · Vnitr Lek. · Pubmed #12425208 No free full text.
Abstract: The SEN virus (SENV) is a small nonenveloped single-stranded DNA virus which is probably a circovirus. By phylogenetic analysis it is possible to differentiate genotypes SENV A-H. The pathway of transmission of infection is not known so far but the infection by this virus is frequent in recipients of blood transfusions and liver grafts and in intravenous drug addicts. This suggests possible parenteral transmission of infection. Other routes of transmission of the infection are also possible as the virus can be detected also in a significant proportion of young subjects without the risk of parenteral infection in the case-history. Whether SENV causes hepatitis has not been proved unequivocally so far. The prevalence of this infection does not differ significantly in patients with different liver diseases, acute or chronic viral or non-viral. SENV infection very probably does not influence the course of chronic hepatitis C.
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Review Treatment of chronic hepatitis C patients with combination of alpha-interferon and ribavirin, consensus and pegylated interferons. 2001
Husa P, Husova L. · Department of Infectious Diseases, Teaching Hospital, Jihlavska 20, CZ-639 00 Brno, Czech Republic. · Bratisl Lek Listy. · Pubmed #11725377 No free full text.
Abstract: Hepatitis C is a major health problem. In recent years, the treatment of choice is alpha-interferon in combination with ribavirin. For patients with failure of this treatment the therapy with consensus or pegylated interferons, in monotherapy or in combination with ribavirin, present other possibilities. We can expect the development more potent antiviral drugs or immune modulators for patients, which are primary resistant to alpha-interferon. (Tab. 3, Ref. 31)
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Clinical Conference Lamivudine and 24 weeks of lamivudine/interferon combination therapy for hepatitis B e antigen-positive chronic hepatitis B in interferon nonresponders. 2003
Schiff ER, Dienstag JL, Karayalcin S, Grimm IS, Perrillo RP, Husa P, de Man RA, Goodman Z, Condreay LD, Crowther LM, Woessner MA, McPhillips PJ, Brown NA, Anonymous00314. · Division of Hepatology, University of Miami, Jackson Medical Towers, 1500 N.W. 12th Avenue, Suite 1101, Miami, FL 33136, USA. · J Hepatol. · Pubmed #12763376 No free full text.
Abstract: BACKGROUND/AIMS: Lamivudine is effective in treatment-naive patients with chronic hepatitis B, but its role in interferon nonresponders has not been described. We assessed lamivudine treatment, with or without added interferon, in patients with hepatitis B e antigen (HBeAg)-positive chronic hepatitis B who had failed interferon therapy previously. METHODS: Patients were randomized to lamivudine (100 mg) or placebo for 52 weeks or to a 24-week regimen of lamivudine plus interferon. Primary treatment comparisons were at week 52, with a 16-week posttreatment follow-up period. Measurements included histology (primary endpoint), HBeAg response, normalization of alanine aminotransferase, reduction of hepatitis B virus (HBV) DNA, and safety. RESULTS: Among 238 patients, histologic response was significantly more common in patients treated with lamivudine (52 versus placebo 25%, P=0.002) or the combination regimen (32%, P=0.01). HBeAg loss was also more common with lamivudine (33 versus 13 versus 21%), as were virologic and alanine aminotransferase responses. Among 28 subjects with HBeAg loss/seroconversion, 71% had durable responses 16 weeks posttreatment. CONCLUSIONS: Lamivudine for 52 weeks is as effective in interferon nonresponders as in previously reported treatment-naive patients; however, a combination of lamivudine for 24 weeks and interferon for 16 weeks was not effective in this population.
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Clinical Conference Efficacy of alpha-interferon therapy of chronic hepatitis patients infected with wild type hepatitis B virus and HBEAG-minus mutant. 2001
Husa P, Chalupa P, Stroblová H, Husová L, Slesinger P. · Department of Infectious Diseases, University Hospital Brno, Czech Republic. · Acta Virol. · Pubmed #12083328 No free full text.
Abstract: The aim of this study was to evaluate the efficacy of alpha-interferon (alpha-IFN) treatment of 56 chronic hepatitis B (HB) patients positive for HB e antigen (HBeAg), which were previously not treated with alpha-IFN (group A). Seven of them, which did not respond to initial alpha-IFN treatment, were subjected to additional treatment with alpha-IFN (group B). Another 7 patients with chronic HB caused apparently by an HBeAg-minus HB virus (HBV) mutant represented group C. In the alpha-IFN treatment, 5 megaunits (MU) of alpha-IFN were administered subcutaneously three times a week for six months. A trend of improvement of important markers of the disease in the treated patients could be seen with increasing time after completion of the treatment even though it was not statistically significant. In group A, the absence of serum HBV DNA was found in 43% of the patients at the end of the treatment, in 41% 6 months later, and in 46% 12 months later. At the same time intervals group A showed negative HBeAg in 36%, 39% and 46%, positive anti-HBeAg in 36%, 38%, and 46%, negative HBsAg in 9%, 11%, and 14%, and normal level of alanine transaminase (ALT) in 23%, 39%, and 44%, respectively. A trend toward better results of alpha-interferon therapy for the group A patients displaying lower baseline viremia and higher ALT activity could be seen; however, this relationship was not statistically significant. Groups B and C were too small for statistical analysis. Nevertheless, 4 of 7 patients of group B were negative for HBV DNA 12 months after the treatment and HBV DNA was eliminated during the treatment in all patients of group C; however, 3 patients relapsed after the treatment.
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Article [Efficacy of pegylated interferon alpha-2a and ribavirin treatment in chronic hepatitis C patients depends on various baseline parameters and early viral kinetics] 2008
Husa P, Slesinger P, Stroblová H, Svobodník A, Husová L. · Department of Infectious Diseases, Medical Faculty, Masaryk University and Faculty Hospital Brno, Czech Republic. · Klin Mikrobiol Infekc Lek. · Pubmed #18756436 No free full text.
Abstract: OBJECTIVE: The aim of the study was to compare efficacy and viral kinetics during antiviral treatment in different chronic hepatitis C patients--naïve, relapsers and non-responders to previous pegylated interferon alpha (PEG-IFN) and ribavirin treatment, with different genotypes, baseline viremia, body weight, age and gender--and to find some baseline parameters which can predict Sustained Virological Response (SVR; negative serum HCV RNA 24 weeks after treatment). MATERIAL AND METHODS: 216 chronic hepatitis C patients were treated with PEG-IFN alpha-2a 180 mg/wk and ribavirin 1 000 or 1 200 mg/day. There were 140 men and 76 women, mean age 40, range 19-70 years; 142 (66 %) naïve, 37 (17 %) relapsers after previous PEG-IFN and ribavirin treatment, and 37 (17 %) non-responders to this treatment. 172 (79,6%) has genotype 1 infection, 4 (1,9 %) genotype 2, 34 (15,6 %) genotype 3, 1 (0,5 %) genotype 4 or 6 infection, and 4 (1,9 %) were infected by unknown viral genotype. Quantitative detection of HCV RNA was done at baseline (216 pts.), 24 hours (83 pts.), 14 days (85 pts.), 28 days (88 pts.), and 84 days (211 pts.) after the first dose of PEG-IFN. RESULTS: 195 patients have completed the treatment period and 179 patients the 24-week follow-up period. The probability of SVR was significantly higher (P < 0,001) in naïve patients (74/114, 64,9 %) and relapsers (22/30, 73,3 %) than in non-responders (9/35, 25,7 %) and in genotype 3 patients (23/28, 82,1%) than genotype 1 patient (77/143, 53,8 %) (P = 0,002). The patients with SVR comparing those without SVR have significantly lower weight (mean 72,8 kg vs. 79,1, P = 0,008(, were younger (mean 36,2, vs. 45,5, P > 0,001), and had lower baseline viremia (mean 1,014 3 106 IU/mL vs. 2,415 3 106 IU/mL, P > 0,001). SVR was more frequent in women than in men (43/63, 62,8 % vs. 62/116, 53,4 %) but difference was not significant (P = 0,059). Undetectable serum HCV RNA at week 12 was more predictive of SVR than early viral response (minimum 2 log decrease of serum HCV RNA during the first 12 weeks of treatment)--98/122 (80,3 %) versus 104/141 (73,1 %) of SVR. CONCLUSIONS: 1) The monitoring of viral kinetics during first 12 weeks of antiviral therapy in hepatitis C patients was an important predictive value for SVR. 2) Negative serum HCV RNA at week 12 was more predictive of SVR than early viral response. 3) The probability of SVR was significantly higher in patients with lower baseline viremia, body weight and younger adults. 4) Gender was not significant for the efficacy of treatment.
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Article [Hepatitis C virus infection in sex workers] 2007
Husa P, Kohoutková M. · Department Infectious Diseases, University Hospital Brno, Jihlavská 20, 625 00 Brno, Czech Republic. · Klin Mikrobiol Infekc Lek. · Pubmed #17599295 No free full text.
Abstract: OBJECTIVE: The work assessed the prevalence of hepatitis C virus (HCV) infection in a representative sample of both male and female sex workers with the aim of assessing sexual transmission of HCV infection. MATERIAL AND METHODS: In the first four months of 2006, a total of 209 (195 females, average age 26, average time of providing sexual services 25 months) sex workers from 29 Moravian clubs were tested for the presence of anti-HCV antibodies by the immunochromatographic assay using a drop of capillary blood. RESULTS: Anti-HCV antibodies were detected in 2 female prostitutes (less than 1 %) of whom one reported intravenous drug use in the past suggestive of blood-borne infection rather than sexual transmission. Nearly half of the subjects (44.5 %) admitted intravenous use of drugs, especially crystal speed ("pervitin"). STDs were reported only by less than 3 % of the subjects. CONCLUSIONS: In the Czech Republic, sexual transmission of HCV infection is of minor importance. Drug abuse is very common among sex workers.
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Article HFE C282Y gene variant is a risk factor for the progression to decompensated liver disease in chronic viral hepatitis C subjects in the Czech population. 2007
Pácal L, Husa P, Znojil V, Kanková K. · Department of Pathophysiology, Faculty of Medicine, Masaryk University Brno, Brno, Czech Republic. · Hepatol Res. · Pubmed #17573946 No free full text.
Abstract: Aim: To determine the prevalence of selected HFE polymorphisms (C282Y, H63D and S65C) among patients with chronic viral hepatitis B and C and to investigate their role in the progression of liver disease. Methods: A total of 207 subjects with chronic B or C viral hepatitis and 243 healthy controls were enrolled in the case-control study. Cases were further classified into three groups according to the clinical stage of liver disease: (A) virus carriers; (B) compensated liver disease; and (C) decompensated liver disease. HFE polymorphisms were detected by polymerase chain reaction-based methodology. Fisher's exact test, chi(2) and Kruskal-Wallis tests were used to test for differences in variables studied between groups. Haplotypes were inferred in silico and their distribution compared by permutation test. Modified survival (time-to-event) analysis was used to test for the differences in the progression to the decompensated liver disease in carriers of C282Y wild-type versus mutated genotypes. Results: The frequency of HFE genotypes, alleles and haplotypes differed neither between HBV nor HCV patients versus controls. In HCV subjects: (i) the frequency of the 282Y allele was significantly higher in the (C) group compared to (B) group (12.5 vs 2.2%, respectively, P = 0.002, Fisher's exact test); and (ii) carriers of the 282Y mutation exhibited significantly faster progression to decompensated liver disease than wild-type carriers (P = 0.044, log-rank test). Conclusion: Carriage of the minor HFE C282Y polymorphism is associated with decompensated liver disease and its earlier onset in the subjects with chronic viral hepatitis C in the Czech population.
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Article [The effect of patient's body weight, gender and baseline viral load on the efficacy of hepatitis C therapy] 2006
Husa P, Slesinger P, Stroblová H, Svobodník A. · Klinika infekcních chorob Lékaské fakulty MU a FN Brno. · Vnitr Lek. · Pubmed #16871762 No free full text.
Abstract: Today, the standard therapy of patients with chronic HCV (hepatitis C virus) infection is based on combination of pegylated interferon alpha (PEG-IFN) and ribavirin. THE STUDY OBJECTIVE: The aim of the study is to find correlations between patient's body weight, gender and baseline viral load and the efficacy of antiviral therapy in terms of achieving end-of-treatment viral response (ETVR) and sustained viral response (SVR). METHODS AND PATIENT SAMPLE: We enrolled 133 patients with chronic HCV infection. All of them were treated by combination of PEG-IFN alpha-2a (180 microg once a week) and ribavirin. Ribavirin doses were the following: For body weight < or = 74 kg - 800 mg daily in patients infected by genotype 2 (G2 - 3 patients) or G3 (18 patients), 1000 mg in patients infected by G1 (106 patients), G4 (1 patient) or G6 (1 patient); for body weight > or = 75 kg - 1200 mg daily in case of infection by G1. RESULTS: To date, 122 patients completed the therapy; 107 of them completed their therapy at least 24 weeks ago, so they can be assessed for SVR. ETVR was achieved in 76% and SVR in 60% patients. Statistically higher proportion of SVR was observed in women (p = 0.039), patients with relatively lower body weight (p = 0.034), patients in lower baseline viral load (p = 0.010) and patients with genotypes 2 and 3 (p = 0,008). Correlation analysis of individual predictive factors showed the statistically significant correlation between body weight and gender (p < 0.001), gender and baseline viral load (p = 0.027) and body weight and virus genotype (p = 0.003). Therefore, the only independent predictive factor of ETVR (p = 0.020) and SVR (p = 0.010) was the level of baseline viral load. CONCLUSION: Efficacy of PEG-IFN therapy is significantly influenced by the level of baseline viral load. According to the results of this study, patient's body weight and gender are not independent predictive factors that affect the therapy efficacy.
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Article [The meaning of viral kinetics in the beginning of the pegylated interferon-alpha and ribavirin therapy for chronic hepatitis C] 2006
Husa P, Slesinger P, Stroblová H, Svobodník A. · Klinika infekcních chorob Lekarské fakulty MU a FN Brno. · Vnitr Lek. · Pubmed #16623278 No free full text.
Abstract: Pegylated interferon alpha (PEG-IFN) and ribavirin combination therapy is the contemporary standard therapy of the patients chronically infected with hepatitis C virus (HCV). OBJECTIVE OF THE STUDY: The study is monitoring the changes in viremy through the changes of HCV RNA in serum before and during antiviral therapy and it attempts to find a relationship between the viral kinetics in the beginning of the therapy and the sustained virologic response. SET OF THE PATIENTS AND THE METHODICS: The study involved 133 patients with chronic infection with HCV, of the average age of 38 years (ranged 18-68 years). 86 of them were men. There were 88 patients who had not been treated before (naive patients), 19 of them were relabing and 26 were non-responders to the previous therapy with conventional IFNalpha and ribavirin. 106 patients (80%) were infected with genotype (G) 1, 3 (2%) with G2, 18 (14%) with G3, 1 patient with G4 and 1 with G6 (under 1%), in 4 (3%) the genotype could not be determined. All of them were treated with the combination of PEG-IFNalpha-2a (180 microg once a week) and ribavirin (800 mg per day in the infection with G2 or G3, 1000 mg at the infection with G1 and the weight up to 74 kg, 1200 mg per day at the infection with G1 and the weight 75 kg and higher). RESULTS: Up to now, 122 patients completed the therapy and 93 of them (76%) had negative HCV RNA in serum at the time of completion of the therapy. Negative HCV RNA after 24 weeks (sustained virologic response SVR) after the completion of the therapy had 64/107 (60%) of the treated patients. In the course of 12 weeks of the therapy the viremy decreased by at least 2 decadic logarithms (early virologic response - EVR) in 87 patients (82%) and in 63 of them (72%) also SVR was noted. Only 19 patients had not EVR and just 1 one of them, nevertheless, achieved SVR (5%). CONCLUSION: The achievement of EVR is a prerequisite to the successful therapy for chronic infection with HCV with the combination of PEG-IFNalpha and ribavirin. Quantitative determination of HCV RNA in serum before and during antiviral therapy is a prerequisite to the modern antiviral therapy for chronic infection with HCV.
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Article A double-blind placebo-controlled study of emtricitabine in chronic hepatitis B. free! 2006
Lim SG, Ng TM, Kung N, Krastev Z, Volfova M, Husa P, Lee SS, Chan S, Shiffman ML, Washington MK, Rigney A, Anderson J, Mondou E, Snow A, Sorbel J, Guan R, Rousseau F, Anonymous00177. · National University Hospital, Singapore. · Arch Intern Med. · Pubmed #16401810 links to free full text
Abstract: BACKGROUND: Emtricitabine is a nucleoside analogue approved for treatment of human immunodeficiency virus 1 with clinical activity against hepatitis B virus (HBV). METHODS: To compare the safety and efficacy of emtricitabine with placebo in patients with HBV, we conducted a randomized (2:1), double-blind study at 34 sites in North America, Asia, and Europe that enrolled adults between November 2000 and July 2002 who had chronic HBV infection but had never been exposed to nucleoside or nucleotide treatment. Each patient received either 200 mg of emtricitabine (n=167) or placebo (n=81) once daily for 48 weeks and underwent a pretreatment and end-of-treatment liver biopsy. Histologic improvement was defined as a 2-point reduction in Knodell necroinflammatory score with no worsening in fibrosis. RESULTS: At the end of treatment, 103 (62%) of 167 patients receiving active treatment had improved liver histologic findings vs 20 (25%) of 81 receiving placebo (P<.001), with significance demonstrated in subgroups positive (P<.001) and negative (P=.002) for hepatitis Be (HBe) antigen. Serum HBV DNA readings showed less than 400 copies/mL in 91 (54%) of 167 patients in the emtricitabine group vs 2 (2%) of 81 in the placebo group (P<.001); alanine aminotransferase levels were normal in 65% (109/167) vs 25% (20/81), respectively (P<.001). At week 48, 20 (13%) of 159 patients in the emtricitabine group with HBV DNA measured at the end of treatment had detectable virus with resistance mutations (95% confidence interval, 8%-18%). The rate of seroconversion to anti-HBe (12%) and HBe antigen loss were not different between arms. The safety profile of emtricitabine during treatment was similar to that of placebo. Posttreatment exacerbation of HBV infection developed in 23% of emtricitabine-treated patients. CONCLUSION: In patients with chronic HBV, both positive and negative for HBe antigen, 48 weeks of emtricitabine treatment resulted in significant histologic, virologic, and biochemical improvement.
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Article Efficacy and safety of chronic hepatitis C treatment in hemophilic patients. 2005
Husa P, Roznovsky L, Smejkal P, Husova L, Penka M, Dite P. · Department of Infectious Diseases, University Hospital Brno, Czech Republic. · Hepatogastroenterology. · Pubmed #16201114 No free full text.
Abstract: BACKGROUND/AIMS: Chronic hepatitis C infection is very common among hemophiliacs in the developed World. METHODOLOGY: Retrospective evaluation of the treatment results in hemophiliacs with chronic hepatitis C, all infected with genotype 1b. Twelve patients were treated with interferon-alpha monotherapy, 21 patients with interferon-alpha and ribavirin, and 3 patients with pegylated interferon and ribavirin, all for 48 weeks. RESULTS: Sustained virologic response (defined as an undetectable serum HCV RNA level 24 weeks after treatment was completed) was not achieved in any of 12 patients treated with interferon-alpha alone. Combination therapy with interferon-alpha and ribavirin was associated with better results: 4/10 (40%) patients still untreated with interferon-alpha, 2/4 (50%) relapsers, and 2/7 (29%) non-responders to previous interferon-alpha monotherapy achieved sustained virologic responses. Combination therapy with pegylated interferon and ribavirin has been used in 3 patients. Sustained response was achieved in one patient who had relapsed after treatment with interferon-alpha and ribavirin and in 1 of 2 non-responders to this combination therapy. There were no serious adverse events and it was not necessary to reduce dosages or even cease therapy prematurely. CONCLUSIONS: The efficacy and tolerability of antiviral treatment in hemophiliacs did not differ from other patients with chronic hepatitis C.
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Article [What risk is a health care worker infected with hepatitis B or C virus for his patients?] 2004
Husa P, Husová L. · Klinika infekcních chorob Lékarské fakulty MU a FN, Brno. · Vnitr Lek. · Pubmed #15633933 No free full text.
Abstract: Presently, there are no legislative standards in the Czech Republic banning health care workers with chronic hepatitis B virus (HBV) or hepatitis C virus (HCV) infection to do activities with a risk of the transmission of these viral infections to patients (surgeries and other invasive interventions). In a range of developed countries in the world individuals with chronic HBV infection, HBeAg positive individuals, have a restricted access to the risk interventions. A quantitative assessment of viremia is important in the health care workers infected with HBeAg-minus mutant of the virus. There are particular critical viremia values set up (serum HBV DNA levels) which exceeding in the health care workers leads to banning them to do the risk interventions. In cases of proved transmission of hepatitis B infection from a health care worker to a patient, the ban of doing risk interventions is a rule. Transmission of HCV infection from a health care worker to a patient is much less probable so the individuals with chronic hepatitis C are usually not forbidden to make invasive procedures. An exception are cases when there was a patient infected by a particular health care worker in the past. There are various attitudes to the health care workers with chronic HBV or HCV infection in various countries of the world. A necessity to reach a definite consensus is necessary. The first step to it are common recommendations of 12 European countries and the USA which are repeatedly cited in the text. We can expect that these problems will have to be solved very soon in the Czech Republic too.
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Article Treatment of chronic hepatitis C in hemophilic patients. 2004
Husa P, Smejkal P, Husová L, Penka M. · Department of Infectious Diseases, University Hospital Brno, Jihlavska 20, 625 00 Brno, Czech Republic. · Acta Virol. · Pubmed #15230473 No free full text.
Abstract: Chronic hepatitis C infection is common among hemophiliacs in all the developed countries. Since 1996, only alpha-interferon (alpha-IFN) in monotherapy has been used for the treatment of chronic hepatitis C in hemophiliacs (6 patients). In Czech Republic a combination therapy with alpha-IFN and ribavirin has been used since 1999 (13 patients). Finally, a combination therapy with pegylated alpha-IFN (PEG-alpha-IFN) and ribavirin is being used since 2001 (still 3 patients). In all cases, the treatment lasted 48 weeks. A sustained virological response (SVR, defined as an undetectable serum HCV RNA level 24 weeks after the treatment was completed) was not achieved in any of 6 patients treated with alpha-IFN alone. A combination therapy with alpha-IFN and ribavirin yielded better results: four of eight patients still untreated with alpha-IFN (naive patients), one of two relapsers, and one of three non-responders to previous alpha-IFN monotherapy achieved SVR. So far the combination therapy with PEG-alpha-IFN and ribavirin has been used only in 3 patients. SVR was achieved in one patient who had relapsed after the combination therapy with IFN-alpha and ribavirin, and in 1 of 2 non-responders to this therapy. We conclude that the efficacy and tolerability of the treatment of chronic hepatitis C in hemophiliacs did not differ from that of chronic hepatitis C in other patients.
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Article [Successful treatment of chronic hepatitis C in hemophiliacs based on historical development of therapeutic protocols] 2004
Husa P, Smejkal P, Husová L, Chalupa P, Penka M. · Klinika infekcních chorob Lékarské fakulty MU a FN Brno. · Vnitr Lek. · Pubmed #15015227 No free full text.
Abstract: Chronic infection with hepatitis C virus is very frequent among hemophilic patients in all developed counties, including the Czech Republic. Because of a possibility of developing serious terminal stages of infection, liver cirrhosis and hepatocellular carcinoma, the tendency in treatment of patients with chronic hepatitis C is to start it as soon as possible and thus reduce the probability of developing these advanced stages of disease which are difficult to treat. Treatment of hemophilic patients with chronic hepatitis C started in the Department of Infectious Diseases, University Hospital Brno Bohunice, in 1996. Used treatment schemes have reflected historical evolution of treatments used to treat chronic hepatitis C. Initially, alpha-interferon (IFN) was administered in monotheraphy (6 patients), later, since 1999, a combination of alpha-IFN and ribavirin was administered (13 patients), and since 2001 a combination of pegylated interferon (PEG-IFN) and ribavirin (3 patients) was administered. In all the patients the individual treatments took 12 month. Sustained negativization of HCV RNA in serum has not been achieved in any patient treated only with alpha-IFN. In patients who were administered the combination of alpha-IFN and ribavirin this effect appeared in 4 from 7 cases without history of treatment with alpha-IFN (57%), one from 2 relapses and one from 3 non-responders. The combination PEG-IFN and ribavirin was effective in the only one patient who relapsed after alpha-IFN and ribavirin and in one from the two non-responders to this combination. The tolerance and safety of treatment was good in haemophilia patients and could be fully compared to those in other patients with chronic hepatitis C.
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Article [Initial experience with treatment of chronic hepatitis C in HIV-positive patients] 2003
Husa P, Snopková S, Chalupa P. · Klinika infekcních chorob Lékarské fakulty MU a FN Brno, pracovistĕ Bohunice. · Vnitr Lek. · Pubmed #12931444 No free full text.
Abstract: A 30 years old man originating from Ukraine was infected by the human immunodeficiency virus (HIV) and virus of hepatitis C (HCV) due to injection administration of drugs of abuse in his own country before coming to Czech Republic. He was infected by genotype 3 of HCV and the infection became chronic. Under the influence of a three-combination anti-retrovirus therapy his conditions related to HIV infection became stable and it proved to be possible to apply a combined treatment by alpha-interferon and ribavirin at commonly used doses for the period of 12 months. In the course of therapy the HCV nucleic acid (HCV RNA) disappeared from serum and serum activity of alanine aminotransferase (ALT) became normal. However, two months after the therapy ended a relapse of the disease occurred--HCV RNA reappeared in serum and ALT activity increased. The therapy was well tolerated. A rapid decrease of hemoglobin level during the first four weeks of therapy was stopped by reduction of ribavirin dose.
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