Fatigue before, during and after antiviral therapy of chronic hepatitis C: results from the Virahep-C study

Effects of entecavir and tenofovir disoproxil fumarate on the incidence and severity of COVID-19 in patients with chronic hepatitis B

BACKGROUND

Whether different anti-hepatitis B virus (HBV) drugs have different effects on COVID-19 is controversial. We aimed to evaluate the incidence of COVID-19 in chronic hepatitis B (CHB) patients receiving anti-HBV treatment, and to compare the impact of entecavir (ETV) and tenofovir disoproxil fumarate (TDF) on the severity of COVID-19.

METHODS

CHB outpatients were enrolled from December 2022 to February 2023. Questionnaires were used to collect whether subjects were currently or previously had COVID-19 within the past 2 months, and the information of symptoms, duration, and severity if infected.

RESULTS

Six hundred thirty CHB patients were enrolled, 64.3% (405/630) patients were currently or previously had COVID-19. No COVID-19 patient required hospitalization, intensive care unit admission, oxygen support or died. Majority of patients reported mild (32.8% [133/405]) and moderate (48.1% [195/405]) symptoms. After propensity score matching, 400 matched patients were obtained (ETV: 238; TDF: 162), among which the incidences of COVID-19 were comparable between ETV and TDF-treated patients (60.1% [143/238] vs. 64.2% [104/162], p = 0.468). The proportion of patients complicated with any symptom caused by COVID-19 were also similar (ETV vs. TDF: 90.9% [130/143] vs. 91.3% [95/104], p = 1.000). In addition, the severity of overall symptom was comparable between ETV and TDF-treated patients, in terms of proportion of patients complicated with severe symptom (9.8% vs. 8.7%, p = 0.989), symptom duration (4.3 vs. 4.3 days, p = 0.927), and symptom severity score (4.1 vs. 4.0, p = 0.758). Subgroup analysis supported these results.

CONCLUSIONS

During the current pandemic, the vast majority of CHB patients experienced non-severe COVID-19, and ETV and TDF did not affect COVID-19 severity differently.

Real-world experience for the outcomes and costs of treating hepatitis C patients: Results from the German Hepatitis C-Registry (DHC-R)

BACKGROUND & AIMS

With long-term consequences like the development of liver cirrhosis and hepatocellular carcinoma, chronic hepatitis C virus (HCV) infection is associated with a significant health burden. Information on HCV treatment outcomes and costs in routine care is still rare, especially for subgroups. The aim of this study was to analyse the treatment outcomes and costs of subgroups in routine care and to compare them over time with previous analyses.

METHODS

Data were derived from a noninterventional study including a subset of 10298 patients receiving DAAs with genotypes 1 and 3. Sociodemographic, clinical parameters and costs were collected using a web-based data recording system. The total sample was subdivided according to treatment regimen, cirrhosis status as well as present HIV infection and opioid substitution treatment (OST).

RESULTS

95% of all patients achieved SVR. Currently used DAA showed higher SVR-rates and less adverse events (AE) compared to former treatments. Concerning subgroups, cirrhotic patients, HIV-coinfected patients and OST patients showed lower but still high SVR-rates. In comparison, cirrhotic had considerably longer treatment duration and more frequent (serious) AE. Overall, average treatment costs were €48470 and costs per SVR were €51129; for currently used DAAs costs amounted to €30330 and costs per SVR to €31692. After the end of treatment, physical health is similar to the general population in all patients except cirrhotic. Mental health remains far behind in all subgroups, even for currently used DAA.

CONCLUSIONS

Over time, some relevant factors developed positively (SVR-rates, costs, treatment duration, adverse events, health-related quality of life (HRQoL)). Further research on HRQoL, especially on mental health, is necessary to evaluate the differences between subgroups and HRQoL over time and to identify influencing factors.

The efficacy of integrated hepatitis C virus treatment in relieving fatigue in people who inject drugs: a randomized controlled trial

BACKGROUND

Most people who inject drugs (PWIDs) suffer from severe fatigue, and chronic hepatitis C virus (HCV) infection may play a role in this. However, there is scarce evidence about interventions that alleviate fatigue among PWIDs. The present study investigated the effect of integrated HCV treatment on fatigue in this population compared to the effect of standard HCV treatment, adjusted for sustained virological response of the HCV treatment.

METHODS

This multi-center, randomized controlled trial evaluated fatigue as a secondary outcome of integrated HCV treatment (the INTRO-HCV trial). From May 2017 to June 2019, 276 participants in Bergen and Stavanger, Norway, were randomly assigned to receive integrated and standard HCV treatment. Integrated treatment was delivered in eight decentralized outpatient opioid agonist therapy clinics and two community care centers; standard treatment was delivered in specialized infectious disease outpatient clinics at referral hospitals. Fatigue was assessed prior to treatment and 12 weeks after treatment using the nine-item Fatigue Severity Scale (FSS-9). We applied a linear mixed model to evaluate the impact of integrated HCV treatment on changes in FSS-9 (ΔFSS-9) sum scores.

RESULTS

At baseline, the mean FSS-9 sum score was 46 (standard deviation (SD): 15) for participants on integrated HCV treatment and 41 (SD: 16) for those on standard treatment. Twelve weeks after completed HCV treatment, the mean FSS-9 sum score for participants receiving integrated HCV treatment was 42 (SD: 15) and 40 (SD: 14) for those receiving standard HCV treatment. Integrated HCV treatment did not reduce the FSS-9 scores compared to standard HCV treatment (ΔFSS-9: -3.0, 95% confidence interval (CI): -6.4;0.4).

CONCLUSIONS

Fatigue is a common symptom among PWIDs. Integrated HCV treatment is at least equal to standard HCV treatment in improving fatigue.

TRIAL REGISTRATION

ClinicalTrials.gov.no NCT03155906, 16/05/2017.

Fatigue in Patients with Chronic Hepatitis C

This study aimed to explore the factors associated with fatigue in chronic hepatitis C patients before and at 4, 8, 12, 16, 20, and 24 weeks after antiviral therapy. The study employed a prospective and repeated-measures design. The Chinese version of the brief fatigue inventory (BFI-C) and the Pittsburg sleep quality index (PSQI) were employed to collect data. Pegylated Interferon plus Ribavirin dosages and serum values (hemoglobin, alanine aminotransferase [ALT], and aspartate aminotransferase [AST]) were monitored before and during the antiviral therapy at 4, 8, 12, 16, 20, and 24 weeks. The study enlisted 115 patients as participants. Multivariate analysis indicated that gender, educational level, body mass index (BMI), and hemoglobin level were significant determinants of patients’ fatigue. When hemoglobin levels in the patients decreased in week 4 and continued to fall to the nadir at week 12, it prompted the healthcare providers to assess their fatigue levels and initiate proactive interventions as needed.

Direct-Acting Antiviral Drugs Reduce Fibromyalgia Symptoms in Patients with Chronic Hepatitis C

Background Fibromyalgia (FM) is a complex disorder characterized by chronic widespread pain and significant patient burden. Patients with chronic hepatitis C are reportedly predisposed to the development of FM. Direct-acting antiviral drugs (DAA) achieved a remarkable therapeutic efficacy in CHC patients. We therefore investigated the impact of DAA on FM symptoms in CHC patients. Methods We enrolled consecutive CHC patients who received DAA. FM symptoms were evaluated based on the 2016 American College of Rheumatology (ACR) fibromyalgia scale at baseline and 12 and 24 weeks after cessation of DAA therapy. Logistic regression was performed to determine the influence of HCV on FM at baseline. We also recruited individuals who underwent a health checkup examination as the control group, and calculated the standardized prevalence ratio of FM in CHC patients. Comparisons of fibromyalgia in different time points were undertaken using the Wilcoxon signed-rank test. Results A total of 33 CHC patients (15 males and 18 females) and 402 controls were recruited. All CHC patients achieved sustained virological response. Two (6%) patients and two (0.5%) controls fulfilled the diagnostic criteria for FM, and the standardized prevalence ratio was 23.9 in CHC patients. Logistic regression also showed increased odds for FM in CHC patients after adjusting for age and sex (OR: 14.4; 95%CI: 1.6, 128.0). In addition, their fibromyalgianess scale decreased at 12 and 24 weeks after DAA therapy. In conclusion, CHC patients were more likely to develop FM. Implementation of DAA therapy might improve FM symptoms in these patients.

Impact of clinical and sociodemographic factors on fatigue among patients with substance use disorder: a cohort study from Norway for the period 2016-2020

Background

The impact of clinical and sociodemographic factors on fatigue remains unknown among patients with substance use disorders (SUD). This study aims to evaluate fatigue among patients with SUD using a nine-item fatigue severity scale (FSS-9) and identify the impact that clinical and sociodemographic factors – such as injecting substance use, chronic infectious diseases, liver fibrosis, opioid agonist therapy (OAT), debt difficulties, and housing situation – have on fatigue.

Methods

We used data from a cohort of patients with SUD in Norway with annual health assessments surveying FSS-9 and some clinical and sociodemographic factors. A total of 915 FSS-9 measurements were collected from 654 patients during the period 2016–2020. We defined baseline as the first annual health assessment when the health assessments were listed chronologically. Time was defined as years from baseline. We used a linear mixed model to analyse whether the clinical and sociodemographic factors affected the FSS-9 sum score, presented with beta coefficients (β) with 95% confidence intervals (CI).

Results

The mean sum score of the FSS-9 was 43 (standard deviation: 16) at baseline. Females compared with males (adjusted mean difference of FSS-9 sum score: 4.1, 95% CI: 1.3–7.0), having debt difficulties compared with having no debt difficulties (2.9;0.4–5.3), and frequent use of benzodiazepines (5.7;3.0–8.4) or amphetamines (-5.0;-8.0– -2.0) compared to less frequent or no use of these substances changed the FSS-9 baseline sum score. The other clinical and sociodemographic factors did not predict any clinically relevant change in the FSS-9 sum score from baseline to the following health assessments.

Conclusion

Patients with SUD suffer from high levels of fatigue. Female patients, patients with debt difficulties, and those with extensive use of benzodiazepines are at particular risk of being fatigued. This should be taken into consideration when planning health services.

Supplementary Information

The online version contains supplementary material available at 10.1186/s13011-020-00334-x.

Hepatitis C virus infection impacts work productivity and fatigue: An epidemiologic real-life study

INTRODUCTION AND OBJECTIVE

Hepatitis C virus (HCV) infection and treatment impact the patient's daily life and work productivity. Until recently, treatments were associated with side effects and insufficient virologic and hepatic results. This study evaluated fatigue, work productivity, and treatment modalities in patients with HCV infection.

MATERIALS AND METHODS

This cross-sectional, non-interventional, multicenter study was conducted in real-life settings between March and December 2015 at 109 sites in France.

RESULTS

Data from 1269 patients were evaluable. The mean patient age was 55.8±12.5 years; 53.3% (676) patients were male. A total of 80.1% (1015) of patients were Caucasian and 62.3% (791) had a genotype 1 infection, 34.2% (433) had at least one comorbidity and 15.6% (198) had ≥1 clinical sign/symptom. Illicit drug use was the main route of HCV transmission and accounted for 36.8% (466) of all infections. Fibrosis stage F0/F1 was reported in 41.4% (525) of patients. A majority of patients (60.4%, 764) had never been treated. In patients previously treated, 85.8% (430) received ribavirin and pegylated interferon and only 13.4% (67) direct-acting antivirals. The mean percent of global impairment due to health was highest (34.8±30.9%) in patients 18-45 years of age. The prevalence of active employed patients with a total fatigue score≥its median value (45/160) was 38.6%. The mean percent work time missed due to health was 9.6±23.6% for working patients of 18-45 years of age and 7.3±21.8% for working patients of 45-65 years of age. The mean overall prevalence of employed patients with impairment due to health issues was 21.8±26.8%. The prevalence of patients with a reduced work activity of ≥50% due to their health status was 32.1%.

CONCLUSION

These data reinforce the request for improved disease management in France, allowing patients with HCV infection to increase work productivity, reduce fatigue, and, hopefully, cure their disease.

Efficacy and safety of sofosbuvir-based, interferon-free therapy : The Management of rheumatologic extrahepatic manifestations associated with chronic hepatitis C virus infection

BACKGROUND

The use of pegylated interferon alpha (IFN) has been of concern in chronic hepatitis C virus (HCV) patients with rheumatologic extrahepatic manifestations (EHM) due to the immunostimulatory effects of IFN.

AIM

To study the efficacy and safety of sofosbuvir-based, IFN-free antiviral therapy in chronic HCV patients with rheumatologic EHM.

MATERIAL AND METHODS

Group A included 24 patients with arthropathy (arthralgia or arthritis, n = 15) or vasculitis (n = 9) who received sofosbuvir and ribavirin (n = 17) or sofosbuvir and simeprevir (n = 7). Group B comprised 15 historical controls suffering from arthropathy who had received IFN and ribavirin. All patients were clinically evaluated and by detection of HCV viremia at baseline (V0), at the end of treatment (V1), 12 weeks after end of treatment (V2) and 24 weeks after end of treatment (V3).

RESULTS

Sustained viral response was obtained in all patients of group A (100%) versus 12 out of 15 of group B (80%). In group A, the tender joint count (TJC) and visual analogue scale for pain (VAS) improved (p = 0.001 for both) while the swollen joint count (SJC) decreased at V1 (p = 0.001) but returned to baseline values at V3. All vasculitis patients improved. Purpura, arthralgia and leg ulcers disappeared, but peripheral neuropathy persisted. In group B, TJC, SJC and VAS increased from baseline values (p = 0.034, 0.03 and 0.001, respectively). Side effects in group A were generally mild, but one patient developed deterioration of arthralgia.

CONCLUSION

The use of IFN-free regimens is safe and effective in the treatment of most HCV-related rheumatologic EHM.

Presence of varices in patients after hepatitis C virus eradication predicts deterioration in the FIB-4 index

AIMS

The liver function of patients with hepatitis C virus (HCV) infection who obtained sustained virologic response (SVR) has been known to improve after HCV eradication. However, a predictor of liver function after SVR has not been definitively identified. The aim of this retrospective study was to identify a predictor of deteriorated liver function and Fibrosis-4 (FIB-4) index after SVR was achieved by direct-acting antiviral (DAA) treatment.

METHODS

This study retrospectively enrolled 248 patients who obtained SVR by DAA treatment. None of the patients developed hepatocellular carcinoma during this study. Liver function was assessed at the end of treatment (EOT) and at 24, 48, 72, and 96 weeks after EOT.

RESULTS

At 96 weeks after EOT, the serum aspartate aminotransferase and alanine aminotransferase levels were significantly decreased from those at EOT. The platelet count was significantly increased from 14.9 × 10⁴ /μL at EOT to 17.1 × 10⁴ /μL at 96 weeks after EOT. Ten patients showed an increased FIB-4 (>1.00) index. Multivariate analysis with 171 patients who underwent endoscopic assessment revealed that the presence of varices was an independent predictor of deterioration in the FIB-4 index (odds ratio, 5.56; P = 0.041).

CONCLUSION

Most of the study patients who obtained SVR showed improved liver function after EOT. Patients without increasing platelet counts after SVR due to DAA therapy should be evaluated for complications induced by portal hypertension.

Benefits of hepatitis C cure with antivirals: why test and treat?

Chronic hepatitis C virus (HCV) infection is one of the major causes of death worldwide due to infectious agents. The advent of direct-acting antivirals has dramatically improved the chance of HCV elimination, even for patients with decompensated cirrhosis. Along with HCV cure, benefits are recognized in terms of regression of liver fibrosis and risk of hepatocellular carcinoma. Furthermore, beyond hepatic outcomes, several extrahepatic benefits may result from sustained HCV eradication, including improvements in the neurocognitive function and reduced cardiovascular disease risk. Finally, there is no doubt that the individual success of direct-acting antivirals is largely contributing to halt HCV transmission globally, in the absence of an effective HCV prophylactic vaccine.

Outcomes and costs of treating hepatitis C patients with second-generation direct-acting antivirals: results from the German Hepatitis C-Registry

OBJECTIVE

Chronic hepatitis C virus infection is associated with a significant health burden. Long-term consequences are the development of liver cirrhosis and hepatocellular carcinoma. The introduction of direct-acting antivirals (DAA) has led to an increase in sustained virologic response rates (SVR), but is accompanied by higher treatment costs. The aim of this study was to assess the outcomes and costs of treating hepatitis C virus infected patients with DAAs in clinical practice in Germany.

PATIENTS AND METHODS

Data were derived from a noninterventional study including a pharmacoeconomic subset of 2673 patients with genotypes 1 and 3 who initiated and completed treatment between February 2014 and February 2017. Sociodemographic and clinical parameters as well as resource utilization were collected using a web-based data recording system. Costs were calculated using official remuneration schemes.

RESULTS

The mean age of the patients was 54.6 years; 48% were men. 93.5% of all patients achieved an SVR. The average total treatment costs were &OV0556;67 979 (&OV0556;67 131 medication costs, &OV0556;824 ambulatory care, &OV0556;24 hospital costs). The average costs per SVR of &OV0556;72 705 were calculated. Differences in SVR and costs according to genotype, treatment regimen, treatment experience, and cirrhosis were observed. Quality-of-life data showed no or a minimal decrease during treatment.

CONCLUSION

This analysis confirms high SVR rates for newly introduced DAAs in a real-world setting. Costs per SVR estimated are comparable to first-generation DAA. Given the fact that the costs for the currently used treatment regimens have declined, it can be assumed that the costs per SVR have also decreased. Our insight into real-world outcomes and costs can serve as a basis for a comparison with the mentioned newly introduced treatment regimens.

Persistent fatigue induced by interferon-alpha: a novel, inflammation-based, proxy model of chronic fatigue syndrome

The role of immune or infective triggers in the pathogenesis of Chronic Fatigue Syndrome (CFS) is not yet fully understood. Barriers to obtaining immune measures at baseline (i.e., before the trigger) in CFS and post-infective fatigue model cohorts have prevented the study of pre-existing immune dysfunction and subsequent immune changes in response to the trigger. This study presents interferon-alpha (IFN-α)-induced persistent fatigue as a model of CFS. IFN-α, which is used in the treatment of chronic Hepatitis C Virus (HCV) infection, induces a persistent fatigue in some individuals, which does not abate post-treatment, that is, once there is no longer immune activation. This model allows for the assessment of patients before and during exposure to the immune trigger, and afterwards when the original trigger is no longer present. Fifty-five patients undergoing IFN-α treatment for chronic HCV were assessed at baseline, during the 6-12 months of IFN-α treatment, and at six-months post-treatment. Measures of fatigue, cytokines and kynurenine pathway metabolites were obtained. Fifty-four CFS patients and 57 healthy volunteers completed the same measures at a one-off assessment, which were compared with post-treatment follow-up measures from the HCV patients. Eighteen patients undergoing IFN-α treatment (33%) were subsequently defined as having 'persistent fatigue' (the proposed model for CFS), if their levels of fatigue were higher six-months post-treatment than at baseline; the other 67% were considered 'resolved fatigue'. Patients who went on to develop persistent fatigue experienced a greater increase in fatigue symptoms over the first four weeks of IFN-α, compared with patients who did not (Δ Treatment Week (TW)-0 vs. TW4; PF: 7.1 ± 1.5 vs. RF: 4.0 ± 0.8, p = 0.046). Moreover, there was a trend towards increased baseline interleukin (IL)-6, and significantly higher baseline IL-10 levels, as well as higher levels of these cytokines in response to IFN-α treatment, alongside concurrent increases in fatigue. Levels increased to more than double those of the other patients by Treatment Week (TW)4 (p =  0.011 for IL-6 and p = 0.001 for IL-10). There was no evidence of an association between persistent fatigue and peripheral inflammation six-months post-treatment, nor did we observe peripheral inflammation in the CFS cohort. While there were changes in kynurenine metabolites in response to IFN-α, there was no association with persistent fatigue. CFS patients had lower levels of the ratio of kynurenine to tryptophan and 3-hydroxykynurenine than controls. Future studies are needed to elucidate the mechanisms behind the initial exaggerated response of the immune system in those who go on to experience persistent fatigue even if the immune trigger is no longer present, and the change from acute to chronic fatigue in the absence of continued peripheral immune activation.

Uncommon immune-mediated extrahepatic manifestations of HCV infection

INTRODUCTION

Chronic hepatitis C virus (HCV) infection has been associated with myriad extrahepatic manifestations, often resulting from aberrant immune responses. Among the most common immune-mediated manifestations of HCV infection, mixed cryoglobulinemia is the best known extra-hepatic complication. Areas covered: Here we review less common extrahepatic manifestations of HCV infection, with ascertained or presumed immune pathogenesis and the role of the new all oral direct-acting antiviral agents. Rheumatologic, dermatologic, ophthalmologic, renal, pulmonary, hematologic, cardiovascular, and neuropsychiatric manifestations of HCV infection have been considered. Expert commentary: Pathogenesis of HCV-induced aberrant immune responses resulting in peculiar clinical manifestations is not restricted to a single mechanism. A sound approach would therefore consider implementation of an etiologic treatment, through use of antiviral medications, to stop upstream in the pathogenic process all the immune mechanisms leading to hepatic and extrahepatic abnormalities. With the recent introduction of interferon-free, direct antiviral agents, capable of warranting cure for nearly all HCV-infected patients subjected to therapy, both common and uncommon extrahepatic manifestations of chronic hepatitis C are expected to no longer constitute a matter of comorbidity in the course of HCV infection.

Multidimensional Fatigue Inventory in People With Hepatitis B Infection: Cross-cultural Adaptation and Psychometric Evaluation of the Persian Version

There is no valid and well-established tool to measure fatigue in people with chronic hepatitis B. The aim of this study was to translate the Multidimensional Fatigue Inventory (MFI) into Persian and examine its reliability and validity in Iranian people with chronic hepatitis B. The demographic questionnaire and MFI, as well as Chronic Liver Disease Questionnaire and EuroQol-5D (to assess criterion validity), were administered in face-to-face interviews with 297 participants. A forward-backward translation method was used to develop a culturally adapted Persian version of the questionnaire. Cronbach's α was used to assess the internal reliability of the scale. Pearson correlation was used to assess criterion validity, and known-group method was used along with factor analysis to establish construct validity. Cronbach's α for the total scale was 0.89. Convergent and discriminant validities were also established. Correlations between the MFI and the health-related quality of life scales were significant (p < .01). The scale differentiated between subgroups of persons with the hepatitis B infection in terms of age, gender, employment, education, disease duration, and stage of disease. Factor analysis indicated a four-factor solution for the scale that explained 60% of the variance. The MFI is a valid and reliable instrument to identify fatigue in Iranians with hepatitis B.

Depression, fatigue and neurocognitive deficits in chronic hepatitis C

Patients with chronic hepatitis C virus (HCV) infection experience a range of symptoms including depression, fatigue and neurocognitive deficits, impairing quality of life. Depression, in particular, may be reactive to increased psychosocial stress, and the physical symptoms of advanced HCV or associated comorbidities. However, even patients at an early stage of HCV infection, with minimal hepatic inflammation or comorbidities, report more depressive symptoms and fatigue than the general population. Similarly, specific neurocognitive deficits occur in early stage HCV infection and are independent of the presence of depression or encephalopathy. Therefore, intracerebral neurobiological changes associated with HCV may potentially explain these symptoms. These changes may arise from infiltration of the brain by peripherally induced cytokines, as well as direct neuropathic effects of HCV viral particles penetrating the blood-brain barrier. These phenomena parallel those reported in human immunodeficiency virus (HIV) infection. HCV-associated intracerebral changes include upregulated inflammatory responses, altered neurotransmitter levels, hormonal dysregulation, and release of neurotoxic substances. These may subsequently lead to abnormal neuronal conduction and function in areas of the brain governing affective responses, emotional processing, motivation, attention and concentration. Although direct-acting antiviral medications lead to high rates of HCV clearance, intracerebral changes may not be subsequently reversed and symptoms of depression, fatigue and neurocognitive deficits may persist. There is an ongoing role for multidisciplinary care and pharmacotherapy to manage these symptoms in HCV patients. Furthermore, there may be opportunities for future therapies to specifically target and ameliorate HCV-associated intracerebral changes.

Treatment of Extrahepatic Manifestations of Hepatitis C Virus

Chronic infection with hepatitis C virus (HCV) is a multifaceted disease characterized by many extrahepatic manifestations (EHMs) that affect outcome and quality of life. HCV eradication by antiviral treatment has been proved beneficial in preventing the development of EHMs and is also able to improve many HCV-related severe disorders and neurocognitive outcomes and quality of life. Until recently, antiviral therapy of EHMs was limited to the presence of interferon-based treatment, and was contraindicated in many patients because of hematologic toxicity or risk of exacerbating immune-mediated disorders. The availability of interferon-free regimens solves this issue allowing for enhanced safety and efficacy to provide universal treatment of HCV-related EHMs.

Patient-Reported Outcomes and Fatigue in Patients with Chronic Hepatitis C Infection

Fatigue is a common symptom. Diagnosis is difficult. Fatigue is often a complex symptom. In the recent years, fatigue has gained considerable amount of attention. It has 2 major types, central and peripheral, which may occur together or alone. Although fatigue has many strong relations with depression and sleep disorders, it is a separate entity. For the diagnosis of fatigue, self-reports and patient-reported outcomes are highly valuable tools because these methods can reflect patients' perceptions. Treating the underlying disease with newly developed direct-acting antivirals often improves the perceived fatigue. Healthy lifestyle changes are the cornerstone of the treatment.

The impact of hepatitis C virus outside the liver: Evidence from Asia

Between 80 and 115 million people worldwide are chronically infected with hepatitis C virus, with 60%-90% of these being undiagnosed. Untreated chronic hepatitis C (CHC) is associated with progressive liver disease, cirrhosis, hepatocellular carcinoma and liver-related mortality. A number of extrahepatic manifestations are also reported in CHC patients, further adding to the burden of the disease. CHC also impacts patients in terms of lower health-related quality of life, higher levels of fatigue and reduced productivity. Furthermore, the later stages of disease are costly for both healthcare systems and society. Pegylated-interferon (PEG-IFN)+ribavirin (RBV), for many years the mainstay of treatment, leads to sustained virological response (SVR) in 40%-70% of patients. However, a substantial number of patients are ineligible for treatment, and many patients fail to achieve SVR with this regimen. Furthermore, PEG-IFN+RBV leads to impairment of patient-reported outcomes during treatment, and most patients suffer from adverse events, associated with poor adherence, treatment discontinuation and treatment failure. The approval of second-generation direct-acting antivirals (DAAs) has revolutionized the treatment of CHC patients. All-oral, PEG-IFN and RBV-free regimens have higher efficacy rates, shorter treatment durations, fewer adverse events, higher adherence rates and improvement in PROs from as early as Week 4, compared to PEG-IFN+RBV regimens. The aim of this article is to review the evidence for HCV infection as a systemic disease, summarizing the impact of hepatitis C and its treatments on clinical, patient and economic outcomes, with a focus on data from Asia and Japan specifically.

Treatment-emergent depression and anxiety between peginterferon alpha-2a versus alpha-2b plus ribavirin for chronic hepatitis C

BACKGROUND

This study investigates differences in depression and anxiety between patients with chronic hepatitis C who are treated with peginterferon alpha-2a (PegIFN-α-2a) plus ribavirin and those who are treated with peginterferon alpha-2b (PegIFN-α-2b) plus ribavirin.

METHODS

In this 24 week, non-randomized, observational, prospective study, 55 patients with chronic hepatitis C were treated with PegIFN-α-2a plus ribavirin (Group 1), and 26 patients were treated with PegIFN-α-2b plus ribavirin (Group 2). All patients underwent assessment using the Hospital Anxiety and Depression Scale (HADS) at the baseline and at weeks 4, 12 and 24. Patients with depression scores (HADS-D) ≥ 8 and anxiety scores (HADS-A) ≥ 8 were defined as having depression and anxiety, respectively. The factors that were associated with depression and anxiety during the 24 week antiviral treatment were determined.

RESULTS

During the 24 week antiviral treatment, the proportion of patients with depression significantly increased over time in both groups (Group 1: p = 0.048; Group 2: p = 0.044). The proportion of patients with anxiety did not significantly change during the follow-up period in either group. Incidences of depression or anxiety did not differ significantly between Group 1 and Group 2. A history of alcohol use disorder was an independent predictor of depression at week 12 (p < 0.001) and week 24 (p < 0.001), and a poor virological response to treatment was associated with depression at week 24 (p = 0.029). Patients who had more physical comorbidities were more likely to suffer from anxiety at week 12 (p = 0.038).

CONCLUSIONS

This study did not identify significant differences in depression or anxiety between in patients with chronic hepatitis C who underwent a 24 week antiviral treatment regimen with PegIFN-α-2a plus ribavirin and those who underwent a regiment with PegIFN-α-2b plus ribavirin. Future research with larger samples and a randomized, controlled design are required to verify the findings in this study.

TRIAL REGISTRATION

This clinical study has been registered at ClinicalTrials.gov. (Trial registration: NCT02943330 ).

Improving Healthcare Systems to Reduce Healthcare Disparities in Viral Hepatitis

Chronic hepatitis B (CHB) and C (CHC) represent significant public health problems worldwide. Combined, over 7 million persons in the USA are chronically infected with either the hepatitis B or the hepatitis C virus. Although the populations affected by the viruses differ, both CHB and CHC are ideal conditions for preventive screening because of a high prevalence and low rate of diagnosis; an early asymptomatic period; highly sensitive and specific test; and treatments which have been shown to result in improved clinical outcomes including liver-related mortality and hepatocellular carcinoma. Improving healthcare delivery for CHB and CHC requires interventions that will increase screening for the infections, expanded capacity for evaluation and monitoring of the infection, and ultimately improved access to treatment. Many of these interventions may leverage opportunities within electronic health records, but must also address unique social, cultural, and language barriers that may prevent effective implementation of novel interventions. Herein, we will review current knowledge related to strategies employed to improve healthcare systems to reduce disparities in viral hepatitis.

Reversion of disease manifestations after HCV eradication

Chronic infection with the hepatitis C virus (HCV) may lead to hepatic fibrosis and eventually cirrhosis, at which stage, patients have a substantial risk of liver failure, hepatocellular carcinoma (HCC) and liver-related death. Moreover, HCV infection is associated with several extrahepatic manifestations which impact the quality of life and increase the non-liver-related mortality rate. For patients with compensated liver disease, interferon (IFN)-based antiviral therapy has been a treatment option for over two decades. Long-term follow-up studies indicated that among those with sustained virological response (SVR) the extend of hepatic fibrosis can regress and that their risk of cirrhosis-related complications (including HCC) is reduced, also in case of cirrhosis. Recent population-based studies extended these observations for solid extrahepatic outcomes, such as end-stage renal failure and cardiovascular events. Most importantly, SVR has been associated with prolonged overall survival. These results highlight the importance of the development of new direct-acting antivirals (DAAs), by which almost all patients are able to eradicate HCV in a comfortable manner. Based on the excellent first experiences with the DAAs, physicians gained confidence to use these drugs among patients with decompensated cirrhosis on a more regular basis as well. This was not possible with interferon therapy. Also in this high risk population the DAAs show high SVR rates with improvements in biochemical parameters of liver function shortly after therapy, especially in case of SVR. In fact, some patients could actually be removed from the liver transplantation waiting list due to clinical improvement following DAA therapy. How these short-term results translate into a prolonged (long-term) survival has yet to be determined, as well as which patients with decompensated liver disease are likely or not to benefit from viral eradication. Here we review the current data regarding the beneficial clinical outcome with antiviral therapy as well the remaining uncertainties in this field, both for patients with compensated liver disease and patients with decompensated liver disease.

Disparities in hepatitis C testing in U.S. veterans born 1945-1965

BACKGROUND & AIMS

Universal one-time antibody testing for hepatitis C virus (HCV) infection has been recommended by the centers for disease control (CDC) and the United States preventative services task force (USPSTF) for Americans born 1945-1965 (birth cohort). Limited data exists addressing national HCV testing practices. We studied patterns and predictors of HCV testing across the U.S. within the birth cohort utilizing data from the national corporate data warehouse of the U.S. Veterans Administration (VA) health system.

METHODS

Testing was defined as any HCV test including antibody, RNA or genotype performed during 2000-2013.

RESULTS

Of 6,669,388 birth cohort veterans, 4,221,135 (63%) received care within the VA from 2000-2013 with two or more visits. Of this group, 2,139,935 (51%) had HCV testing with 8.1% HCV antibody and 5.4% RNA positive. Significant variation in testing was observed across centers (range: 7-83%). Older, male, African-Americans, with established risk factors and receiving care from urban centers of excellence were more likely to be tested. Among veterans free of other established risk factors (HIV negative, HBV negative, ALT ⩽40U/L, FIB-4 ⩽1.45, or APRI <0.5), HCV antibody and RNA were positive in 2.8% and 0.9%, respectively, comparable to established national average. At least 2.4-4.4% of veterans had scores suggesting advanced fibrosis (APRI ⩾1.5 or FIB-4 >3.25) with >30-43% having positive HCV RNA but >16-20% yet to undergo testing for HCV.

CONCLUSIONS

Significant disparities are observed in HCV testing within the United States VA health system. Examination of the predictors of testing and HCV positivity may help inform national screening policies.

LAY SUMMARY

Analysis of United States Veterans Administration data show significant disparities in hepatitis C virus testing of veterans born 1945-1965 (birth cohort). A fifth of those not tested had evidence of advanced liver fibrosis. Our data suggests some predictors for this disparity and will potentially help inform future policy measures in the era of universal birth cohort testing for HCV.

Outcomes and Costs of Treating Hepatitis C Patients in the Era of First Generation Protease Inhibitors - Results from the PAN Study

1 OBJECTIVE

Chronic hepatitis C virus infections (HCV) cause a significant public health burden. Introduction of telaprevir (TVR) and boceprevir (BOC) has increased sustained virologic response rates (SVR) in genotype 1 patients but were accompanied by higher treatment costs and more side effects. Aim of the study was to assess outcomes and costs of treating HCV with TVR or BOC in routine care.

2 MATERIAL AND METHODS

Data was obtained from a non-interventional study. This analysis relates on a subset of 1,786 patients for whom resource utilisation was documented. Sociodemografic and clinical parameters as well as resource utilisation were collected using a web-based data recording system. Costs were calculated using official remuneration schemes.

3 RESULTS

Mean age of patients was 49.2 years, 58.6% were male. In treatment-naive patients SVR-rates of 62.2% and 55.7% for TVR and BOC were observed (prior relapser: 68.5% for TVR and 63.5% for BOC; prior non-responder: 45.6% for TVR and 39.1% for BOC). Treatment costs are dominated by costs for pharmaceuticals and range between €39,081 and €53,491. We calculated average costs per SVR of €81,347 (TVR) and €70,163 (BOC) in treatment-naive patients (prior relapser: 78,089 €/SVR for TVR and 82,077 €/SVR for BOC; prior non-responder: 116,509 €/SVR for TVR and 110,156 €/SVR for BOC). Quality of life data showed a considerable decrease during treatment.

4 CONCLUSION

Our study is one of few investigating both, outcomes and costs, of treating HCV in a real-life setting. Data can serve as a reference in the discussion of increasing costs in recently introduced agents.

Fatigue in Patients with Chronic Hepatitis B Living in North America: Results from the Hepatitis B Research Network (HBRN)

BACKGROUND

Fatigue is a common symptom of liver disease but not well characterized in patients with chronic hepatitis B virus (HBV).

AIMS

We assessed the rate of fatigue using a validated instrument in patients with HBV and identified demographic, virologic, and clinical features associated with fatigue in a cross-sectional cohort study from the Hepatitis B Research Network.

METHODS

Participants were English- and Spanish-speaking adults with chronic HBV who were not pregnant nor on treatment. Fatigue was measured using the PROMIS® Fatigue 7-item Short Form.

RESULTS

The sample included 948 adults: median age 42; 51 % female; 71 % Asian; 74 % college educated; 77 % employed; 41 % inactive HBV carriers; 36 % with active chronic disease; and 2 % with advanced fibrosis, defined as AST-platelet ratio index (APRI) > 1.50. Patients with chronic HBV had a mean fatigue T-score of 46.8 ± SD = 7.9, compared to a mean fatigue T-score of 50.0 ± 10 in the US general population (p < .0001). In univariate analyses, greater fatigue was associated with demographic and clinical features such as female sex, lower income, more comorbidities, higher APRI score, and poorer mental health (p < 0.05). In multivariate analysis, female sex (p < .001), poorer mental health (p < .001), APRI score (p = .005), and history of diabetes (p = .039) were the strongest independent predictors.

CONCLUSIONS

The frequency of fatigue in this large cohort of North American chronic HBV patients may be equal to or lower than that reported in the US general population. Patients with advanced fibrosis, more comorbidities, and poorer mental health report worse fatigue.

Recent advances in managing chronic HCV infection: focus on therapy in patients with severe liver disease

Chronic hepatitis C virus (HCV) infection still represents a major public health problem, as it is thought to be responsible for more than 350,000 deaths around the globe on a yearly basis. Fortunately, successful eradication of the virus has been associated with improved clinical outcome and reduced mortality rates. In the past few years, treatment has improved considerably by the implementation of direct-acting antivirals (DAAs). From 2014 onwards, sofosbuvir, simeprevir, daclatasvir, ledipasvir, paritaprevir, ombitasvir, and dasabuvir have been approved by the US Food and Drug Administration (FDA) and European Medicines Agency (EMA). Regimens with various combinations of these new drugs, without the use of interferon (IFN), proved to be very effective and well tolerated, even among patients with advanced liver disease. Moreover, treatment duration could be shortened to 12 weeks in the majority of patients. The high costs of these DAAs, however, limit the availability of IFN-free therapy worldwide. Even in wealthy countries, it is deemed necessary to prioritize DAA treatment in order to limit the immediate impact on the health budget. As patients with advanced liver disease are in most need of HCV clearance, many countries decided to treat those patients first. In the current review, we focus on the currently available IFN-free treatment options for patients with cirrhosis. We discuss the virological efficacy as well as the clinical relevance of these regimens among this specific patient population.

Effects of Viral Eradication With Ledipasvir and Sofosbuvir, With or Without Ribavirin, on Measures of Fatigue in Patients With Chronic Hepatitis C Virus Infection

BACKGROUND & AIMS

Fatigue is a disturbing symptom of chronic hepatitis C virus (HCV) infection. We assessed the effects of sustained virologic response 12 weeks after the end of therapy (SVR12) on fatigue.

METHODS

We performed a retrospective analysis of 100 patients with chronic HCV infection who achieved an SVR12 after treatment with ledipasvir and sofosbuvir, with or without ribavirin. Data were collected on fatigue-related patient-reported outcomes (PROs) and assessed by using the Functional Assessment of Cancer Therapy-Fatigue scoring system and the Vitality subscale of Short Form 36. We measured levels of cytokines and growth factors in frozen serum samples collected at baseline, week 12 of treatment, and 4 weeks after treatment. Central fatigue and peripheral or muscle fatigue (PF) were determined by using items from PROs. Serum levels of cytokines, growth factors, serotonin, alanine aminotransferase, and aspartate aminotransferase were measured by using the Bio-Plex, enzyme-linked immunosorbent, and enzymatic assays.

RESULTS

Compared with baseline, 4 weeks after the end of treatment, all fatigue-associated PROs improved significantly. Baseline PROs correlated inversely with serum level of interferon-γ; level of platelet-derived growth factor correlated with PF, central fatigue, and total fatigue score. Only PF correlated with serum level of serotonin. At baseline, high PF scores correlated with high serum levels of serotonin and low levels of interleukin-10 and tumor necrosis factor-α. In multivariate analysis, serum level of interleukin-8 was associated with greater fatigue (P < .02). Reductions in levels of chemokine (C-C motif) ligand 2 (also called monocyte chemotactic protein 1) were associated with fatigue after treatment (P = .0165).

CONCLUSIONS

In an analysis of data from patients with chronic HCV infection participating in a clinical trial of ledipasvir and sofosbuvir, SVR12 was associated with reduced fatigue, compared with baseline. High baseline serum levels of interferon-γ were associated with fatigue. Reductions in levels of chemokine (C-C motif) ligand 2 were associated with persistent fatigue after SVR12. Central and peripheral fatigue each associated with different biomarkers, suggesting different pathogenic pathways.

A Follow-Up Study of 50 Chronic Hepatitis C Patients: Adiponectin as a Resilience Biomarker for Major Depression

OBJECTIVE

Major depression (MD) is a condition associated with both hepatitis C virus (HCV) infection and pegylated interferon (IFN)-α treatment. IFN induces a depressive syndrome that is associated with an inflammatory profile. We aimed to investigate whether there is any specific alteration in plasma biomarkers associated with MD.

METHODS

HCV-monoinfected patients, with and without IFN treatment, were followed up for 18 months and went through structured psychiatric evaluation. We assessed plasma levels of brain-derived neurotrophic factor, tumor necrosis factor (TNF) and its soluble type 1 and type 2 receptors (sTNFR1 and sTNFR2, respectively), and adipokines (adiponectin, leptin and resistin) using ELISA.

RESULTS

Among the 50 patients included in the study, 14 were treated with IFN during the follow-up. Being older, not married, presenting higher body mass index, higher liver inflammatory activity, lower baseline adiponectin levels and use of IFN were associated with MD development. Higher levels of sTNFR1 during IFN treatment were associated with sustained virological response. The lack of a control group without HCV infection did not allow any assumption of a biomarker change exclusively due to the infection itself.

CONCLUSION

Adiponectin may be a resilience biomarker for MD in HCV-infected patients.

Prevalence and detection of neuropsychiatric adverse effects during hepatitis C treatment

BACKGROUND

Current treatment combinations for chronic hepatitis C virus infection still include pegylated interferon and ribavirin despite the new therapeutic options available. Interferon-based treatments are associated with a high incidence of adverse effects. Central nervous system events are among the most frequent adverse drug reactions and their influence on treatment adherence and effectiveness is controversial.

OBJECTIVE

The aim of the study was to evaluate neuropsychiatric adverse effects of interferon-based treatment for chronic hepatitis C in standard multidisciplinary clinical practice. Risk factors for these adverse effects and their impact on adherence and sustained viral response were also evaluated. Setting Ambulatory care pharmacy in coordination with the liver unit and the infectious diseases unit at a 650-bed tertiary university hospital.

METHODS

We included all consecutive patients with chronic hepatitis C who completed treatment with pegylated interferon and ribavirin between 2005 and 2013. All patients underwent a multidisciplinary follow-up during treatment.

MAIN OUTCOME MEASURES

Neuropsychiatric adverse effects were evaluated in relation to severity, management and outcome. The presence of anxiety and depression was evaluated by means of specific tests.

RESULTS

A total of 717 treatments in 679 patients were included. During treatment, we detected 1679 neuropsychiatric adverse effects in 618 patients (86.2 %), generating 1737 clinical interventions. Fifty-seven (3.3 %) neuropsychiatric adverse effects were severe and 2 (0.1 %) were life-threatening (suicidal attempts). Most neuropsychiatric adverse effects (1555 events, 92.6 %) resolved without sequelae. Psychiatric medication was required in 289 patients (40.3 %). Sustained viral response was achieved in 400 cases (55.8 %) and was associated with adherence (OR = 1.942, 95 % CI = 1.235-3.052, p = 0.004). A multivariate analysis did not show any relationship between neuropsychiatric adverse effects and treatment adherence or sustained viral response. A psychiatric history was a strong risk factor for depression, anxiety and other psychiatric disorders during treatment.

CONCLUSION

Neuropsychiatric adverse effects during interferon-based treatments in patients with chronic hepatitis C were common but mostly mild or moderate. Early detection and accurate multidisciplinary management avoided treatment discontinuation, ensuring adherence and attaining sustained viral response. The identified risk factors could be used to determine patients eligible for interferon-free combinations, thus optimizing health system economics.

Ledipasvir/sofosbuvir regimens for chronic hepatitis C infection: Insights from a work productivity economic model from the United States

Patients with chronic hepatitis C (CHC) exhibit reduced work productivity owing to their disease. Historically, most regimens indicated for CHC genotype 1 (GT1) patients were administered with pegylated interferon (Peg-IFN) and/or ribavirin (RBV), which further compromised work productivity during treatment. The aim of this study was to model the impact of LDV/SOF (ledipasvir/sofosbuvir), the first Peg-IFN- and RBV-free regimen for CHC GT1 patients, on work productivity from an economic perspective, compared to receiving no treatment. The WPAI-SHP (Work Productivity and Activity Index-Specific Health Problem) questionnaire was administered to patients across the ION clinical trials (N = 1,923 U.S. patients). Before initiation of treatment, patients with CHC GT1 in the ION trials exhibited absenteeism and presenteeism impairments of 2.57% and 7.58%, respectively. Patients with cirrhosis exhibited greater work productivity impairment than patients without cirrhosis. In total, 93.21% of U.S. patients in the ION trials achieved SVR; these patients exhibited absenteeism and presenteeism impairments of 2.62% (P = 0.76, when compared to baseline) and 3.53% (P < 0.0001), respectively. Monetizing these data to the entire U.S. population, our model projects an annual societal cost of $7.1 billion owing to productivity loss in untreated GT1 CHC patients. Our model projects that, when compared to no treatment, treating all CHC GT1 patients with a regimen with very high viral eradication rates (LDV/SOF) would translate to annual productivity loss savings of $2.7 billion over a 1-year time horizon.

CONCLUSIONS

Patients with untreated HCV impose a substantial societal burden owing to reduced work productivity. As a result of improvements in work productivity, treatment of CHC GT1 patients with LDV/SOF-based regimens is likely to result in significant cost savings from a societal perspective, relative to no treatment.

Achieving sustained virological response: what's the impact on further hepatitis C virus-related disease?

Continuous hepatic inflammation as a result of chronic infection with the hepatitis C virus may lead to the development of fibrosis and eventually cirrhosis. At the stage of cirrhosis, patients are at elevated risk of liver failure and hepatocellular carcinoma, two complications that shorten their life expectancy. Survival may be further impaired by the extra-hepatic manifestations of chronic hepatitis C virus infection, such as diabetes mellitus and lymphoma. Sustained virological response (SVR) following antiviral therapy has been associated with regression of hepatic fibrosis as well as with a reduction in portal pressure, both important markers of liver disease severity. Long-term follow-up studies indicated that SVR was related not only to a reduced occurrence of solid clinical end points, including liver failure and hepatocellular carcinoma, but also cardiovascular events and malignant lymphomas. Together, these findings may explain the recently observed improved overall survival among patients who attained SVR, even in the case of advanced liver disease.

Shared symptoms and putative biological mechanisms in chronic liver disease: implications for biobehavioral research

Liver disease affects over 25 million people in the United States and, despite advances in medical management resulting in increased survival, a majority of these individuals report multiple co-occurring symptoms that severely impair functioning and quality of life. The purpose of this review is to (1) propose defining these co-occurring symptoms as a symptom cluster of chronic liver disease (CLD), (2) discuss putative underlying biological mechanisms related to CLD, including the liver-gut-brain axis and influence of the microbiome, and (3) discuss the implications for biobehavioral research in this patient population. Biobehavioral research focusing on the interrelated, and possibly synergistic, mechanisms of these symptoms may lead to the development and testing of targeted symptom management interventions for improving function and quality of life in this growing patient population.

Chronic hepatitis C virus infection and neurological and psychiatric disorders: An overview

Hepatitis C virus (HCV) infection is considered a systemic disease because of involvement of other organs and tissues concomitantly with liver disease. Among the extrahepatic manifestations, neuropsychiatric disorders have been reported in up to 50% of chronic HCV infected patients. Both the central and peripheral nervous system may be involved with a wide variety of clinical manifestations. Main HCV-associated neurological conditions include cerebrovascular events, encephalopathy, myelitis, encephalomyelitis, and cognitive impairment, whereas “brain fog”, depression, anxiety, and fatigue are at the top of the list of psychiatric disorders. Moreover, HCV infection is known to cause both motor and sensory peripheral neuropathy in the context of mixed cryoglobulinemia, and has also been recently recognized as an independent risk factor for stroke. These extrahepatic manifestations are independent of severity of the underlying chronic liver disease and hepatic encephalopathy. The brain is a suitable site for HCV replication, where the virus may directly exert neurotoxicity; other mechanisms proposed to explain the pathogenesis of neuropsychiatric disorders in chronic HCV infection include derangement of metabolic pathways of infected cells, alterations in neurotransmitter circuits, autoimmune disorders, and cerebral or systemic inflammation. A pathogenic role for HCV is also suggested by improvement of neurological and psychiatric symptoms in patients achieving a sustained virologic response following interferon treatment; however, further ad hoc trials are needed to fully assess the impact of HCV infection and specific antiviral treatments on associated neuropsychiatric disorders.

Fatigue during treatment for hepatitis C virus: results of self-reported fatigue severity in two Phase IIb studies of simeprevir treatment in patients with hepatitis C virus genotype 1 infection

Background

Fatigue is a common symptom of chronic hepatitis C virus (HCV) infection and a frequent side-effect of peginterferon/ribavirin (PR) therapy for HCV. This study evaluated the impact of adding the oral HCV NS3/4A protease inhibitor simeprevir to PR on patient-reported fatigue and health status among patients with chronic HCV genotype 1 infection enrolled in the Phase IIb PILLAR and ASPIRE trials [NCT00882908; NCT00980330].

Methods

Treatment-naïve patients (PILLAR, n = 386) and treatment-experienced patients (ASPIRE, n = 462) were randomized to simeprevir plus PR (simeprevir/PR) or placebo plus PR (placebo/PR). In PILLAR, duration of PR treatment in the simeprevir/PR groups was determined using response-guided therapy (RGT) criteria. PR could be terminated at Week 24, instead of Week 48, if HCV RNA was <25 IU/mL by Week 4 and then undetectable at Weeks 12, 16, and 20. In both studies, patients completed the Fatigue Severity Scale (FSS) and EQ-5D quality-of-life questionnaire in their native language at baseline and throughout the studies up until Week 72.

Results

During the first 24 weeks of treatment, mean FSS total score was increased to a similar degree compared with baseline among patients receiving simeprevir/PR or placebo/PR in both studies indicating increased fatigue severity. Mean FSS scores returned to values comparable with baseline among patients receiving simeprevir/PR after Week 24 in PILLAR (after treatment completion for the majority of patients) and in ASPIRE (after Week 48), consistent with RGT enabling early termination of all treatment at Week 24 in 82.2% of simeprevir/PR-treated patients in the PILLAR study. Similar results were observed for EQ-5D, with simeprevir/PR-treated patients experiencing less time with worse health problems according to EQ-5D scores compared with placebo/PR groups in both studies, and more rapid improvement in health status associated with shorter treatment duration in the PILLAR study.

Conclusions

Combination of simeprevir with PR did not increase patient-reported fatigue severity or health status impairments beyond that reported by patients treated with PR alone. Many patients treated with simeprevir/PR returned to pretreatment fatigue and health status levels sooner due to increased treatment efficacy that enabled shorter duration of all therapy, compared with PR alone.

Electronic supplementary material

The online version of this article (doi:10.1186/1471-2334-14-465) contains supplementary material, which is available to authorized users.

Simeprevir with pegylated interferon alfa 2a or 2b plus ribavirin in treatment-naive patients with chronic hepatitis C virus genotype 1 infection (QUEST-2): a randomised, double-blind, placebo-controlled phase 3 trial

BACKGROUND

Pegylated interferon (peginterferon) alfa 2a or 2b plus ribavirin regimens were the standard of care in patients with hepatitis C virus (HCV) infection, but the sustained virological response can be suboptimum in patients with HCV genotype 1 infection. The efficacy, safety, and tolerability of the combination of simeprevir, a one-pill, once-daily, oral HCV NS3/4A protease inhibitor versus placebo, plus peginterferon alfa 2a or 2b plus ribavirin was assessed in treatment-naive patients with HCV genotype 1 infection.

METHODS

In the QUEST-2, phase 3 study, done at 76 sites in 14 countries (Europe, and North and South Americas), patients with confirmed chronic HCV genotype 1 infection and no history of HCV treatment were randomly assigned with a computer-generated allocation sequence in a ratio of 2:1 and stratified by HCV genotype 1 subtype and host IL28B genotype to receive simeprevir (150 mg once daily, orally), peginterferon alfa 2a (180 μg once weekly, subcutaneous injection) or 2b (according to bodyweight; 50 μg, 80 μg, 100 μg, 120 μg, or 150 μg once weekly, subcutaneous injection), plus ribavirin (1000-1200 mg/day or 800-1400 mg/day, orally; simeprevir group) or placebo (once daily, orally), peginterferon alfa 2a or 2b, plus ribavirin (placebo group) for 12 weeks, followed by just peginterferon alfa 2a or 2b plus ribavirin. Total treatment duration was 24 weeks or 48 weeks (simeprevir group) based on criteria for response-guided therapy (ie, HCV RNA <25 IU/mL undetectable or detectable at week 4 and undetectable week 12) or 48 weeks (placebo). Patients, study personnel, and the sponsor were masked to treatment assignment. The primary efficacy endpoint was sustained virological response at 12 weeks after the planned end of treatment (SVR12). Analyses were by intention to treat. The trial is registered with ClinicalTrials.gov, number NCT01290679. Results from the primary (SVR12, week 60) analysis are presented.

FINDINGS

209 (81%) of 257 patients in the simeprevir group and 67 (50%) of 134 in the placebo group had SVR12 (adjusted difference 32·2%, 95% CI 23·3-41·2; p<0·0001). The incidences of adverse events were similar in the simeprevir and placebo groups at 12 weeks (246 [96%] vs 130 [97%]) and for the entire treatment (249 [97%] vs 132 [99%]), irrespective of the peginterferon alfa used. The most common adverse events were headache, fatigue, pyrexia, and influenza-like illness at 12 weeks (95 [37%) vs 45 [34%], 89 [35%] vs 52 [39%], 78 [30%] vs 48 [36%], and 66 [26%] vs 34 [25%], respectively) and for the entire treatment (100 [39%] vs 49 [37%], 94 [37%] vs 56 [42%], 79 [31%] vs 53 [40%], and 66 [26%] vs 35 [26%], respectively). Rash and photosensitivity frequencies were higher in the simeprevir group than in the placebo group (61 [24%] vs 15 [11%] and ten [4%] vs one [<1%], respectively). There was no difference in the prevalence of anaemia between the simeprevir and placebo groups (35 [14%] vs 21 [16%], respectively, at 12 weeks, and 53 [21%] vs 37 [28%], respectively, during the entire treatment).

INTERPRETATION

Addition of simeprevir to either peginterferon alfa 2a or peginterferon alfa 2b plus ribavirin improved SVR in treatment-naive patients with HCV genotype 1 infection, without worsening the known adverse events associated with peginterferon alfa plus ribavirin.

FUNDING

Janssen Infectious Diseases-Diagnostics.

[Impact of antiviral therapy on the natural history of hepatitis C virus]

Chronic hepatitis C virus infection affects around 150 million persons, and 350,000 persons worldwide die of this disease each year. Although the data on its natural history are incomplete, after the acute infection, most patients develop chronic forms of hepatitis C with variable stages of fibrosis. In these patients, continual inflammatory activity can cause significant fibrosis, cirrhosis, decompensation of the liver disease, or hepatocarcinoma. In the next few years, it is expected that hepatitis C virus infection and its complications will significantly increase, as will the incidence of hepatocarcinoma in Spain. This review presents the data on the natural history of hepatitis C virus infection and discusses the potential impact of antiviral therapy on the distinct stages of the disease.

Validation of the Fatigue Severity Scale in chronic hepatitis C

BACKGROUND

Fatigue is a common symptom of chronic hepatitis C virus (cHCV) infection and a common side effect of interferon-based treatment for cHCV. This study provides confirmatory evidence of the reliability and validity of the Fatigue Severity Scale (FSS) to document fatigue in cHCV research and identifies values that indicate clinically important differences in FSS to aid in interpreting fatigue in cHCV clinical trials.

METHODS

The study used data from two double-blind, randomized, placebo-controlled, Phase IIb trials evaluating the efficacy and safety of simeprevir plus peginterferon-α/ribavirin in treatment-naïve (PILLAR, n = 386) and treatment-experienced patients (ASPIRE, n = 462) with cHCV infection. Patients completed the FSS and EuroQoL 5 dimension questionnaire (EQ-5D) at baseline and at regular intervals throughout both trials. Reliability was assessed using Cronbach's coefficient α at Week 24 (internal consistency reliability) and intraclass correlation (ICC) between FSS at Weeks 12 and 24 in stable patients (<0.5 g/dL hemoglobin [Hb] change between Weeks 12/24). Correlation with the EQ-5D visual analog scale (VAS) and "Usual Activity" domain score was used to assess concurrent validity. Clinical validity was evaluated using a case-control method to link spontaneously reported fatigue and anemia adverse events (AEs) during the study to FSS scores.

RESULTS

FSS total scores demonstrated good reliability (Cronbach's α: 0.95, 0.96; ICC: 0.74, 0.86 for PILLAR and ASPIRE, respectively) and concurrent validity (correlation with EQ-5D VAS: -0.63, -0.66) with a monotonic relationship between the EQ-5D "Usual Activities" item response and FSS. Clinical validity was confirmed by a significant difference between cases and controls for fatigue AEs (p < 0.05); however, anemia defined by AE or Hb abnormalities was only weakly related to FSS score. Analyses indicate that a change of 0.33-0.82 in mean FSS scores represents a meaningful improvement in fatigue, and a one-point change is a conservative indicator of an important change in individual FSS scores.

CONCLUSION

A difference of ≥0.7 in mean FSS scores can be considered a clinically important difference within groups over time or between groups. A one-point change or less in individual FSS scores indicates a clinically relevant change in fatigue.

Hepatitis C treatment & management

Combination therapy with pegylated interferon alfa (PEG-IFN alfa) and the nucleoside analogue ribavirin is the current standard of care in patients infected with hepatitis C virus (HCV). Patients with HCV genotype 1 have a much less favorable response to therapy and are treated for 12 months, compared with patients infected with genotypes 2 and 3, in whom a 6-month course of therapy is sufficient. If viremia is present after 6 months, additional therapy has a negligible benefit, and treatment should be stopped in all patients regardless of the viral genotype. With HIV coinfection, all patients with a response to therapy at the end of 6 months should receive an additional 6 months of combination therapy regardless of the genotype. Patients with acute HCV infection should be treated for 6 months. The addition of protease inhibitors to the combination of PEG-IFN alfa and ribavirin is becoming the new standard of care for the treatment of chronic HCV infection. Regimens that include a protease inhibitor significantly improve sustained virologic response rates in patients with genotype 1 HCV infection.

Assessment of health-related quality of life and how it predicts the outcome of pegylated interferon and ribavirin therapy for chronic hepatitis C

BACKGROUND AND AIM

Chronic infection with hepatitis C virus (HCV) decreases health-related quality of life (HRQOL). The present study was planned to investigate the impact of HRQOL of patients with chronic hepatitis C (CHC) on the outcomes of therapy with pegylated interferon and ribavirin (RBV), in addition to IL28B polymorphisms.

METHODS

The present study enrolled 228 CHC patients and assessed their HRQOLs prospectively with the 36-item short-form health survey.

RESULTS

The patients with CHC have lower physical HRQOL status than the general population (P = 0.037, the Z-test). The patients with advanced liver diseases exhibited further decreases in HRQOL (P = 0.036, Spearman's rank correlation coefficient). The score of total HRQOL was significantly lower in the group with sustained virological response (SVR) to the therapy with pegylated interferon and RBV than the non-SVR group (P = 0.031, the Mann-Whitney U-test), with significantly lower scores of mental component and its comprising subscales in the SVR group. Stepwise multivariate logistic regression analysis showed that low HRQOL score ≤ 400 points was significantly associated with SVR (odds ratio = 2.4, P = 0.013), independently from high platelet counts, low HCV RNA, favorable single-nucleotide polymorphism type of IL28B, and HCV serotype 2. The patients with low HRQOL score will have significantly less decrease in HRQOL score by 4 weeks of the treatment than those with high HRQOL score at baseline (P = 0.0045).

CONCLUSION

HRQOL is one of the significant predictor of the outcomes of therapy with pegylated interferon and RBV independently from IL28B polymorphism.

Liver-brain interactions in inflammatory liver diseases: implications for fatigue and mood disorders

Chronic inflammatory liver diseases are often accompanied by behavior alterations including fatigue, mood disorders, cognitive dysfunction and sleep disturbances. These altered behaviors can adversely affect patient quality of life. The communication pathways between the inflamed liver and the brain that mediate changes in central neural activity leading to behavior alterations during liver inflammation are poorly understood. Neural and humoral communication pathways have been most commonly implicated as driving peripheral inflammation to brain signaling. Classically, the cytokines TNFα, IL-1β and IL-6 have received the greatest scientific attention as potential mediators of this communication pathway. In mice with liver inflammation we have identified a novel immune-mediated liver-to-brain communication pathway whereby CCR2(+) monocytes found within the peripheral circulation transmigrate into the brain parenchyma in response to MCP-1/CCL2 expressing activated microglia. Inhibition of cerebral monocyte infiltration in these mice significantly improved liver inflammation associated sickness behaviors. Importantly, in recent work we have found that at an earlier time point, when cerebral monocyte infiltration is not evident in mice with liver inflammation, increased monocyte:cerebral endothelial cell adhesive interactions are observed using intravital microscopy of the brain. These monocyte:cerebral endothelial cell adhesive interactions are P-selectin mediated, and inhibition of these interactions attenuated microglial activation and sickness behavior development. Delineating the pathways that the periphery uses to communicate with the brain during inflammatory liver diseases, and the central neurotransmitter systems that are altered through these communication pathways (e.g., serotonin, corticotrophin releasing hormone) to give rise to liver inflammation-associated sickness behaviors, will allow for the identification of novel therapeutic targets to decrease the burden of debilitating symptoms in these patients.

Patient adherence issues in the treatment of hepatitis C

The current standard-of-care treatments for chronic hepatitis C, based on a bitherapy that combines peginterferon alpha-2a or -2b and ribavirin for all genotypes, and on a triple therapy with the addition of an antiprotease specifically for genotype 1, are associated with a limited adherence that decreases their efficacy. The main factors limiting adherence are difficulties in taking the treatment and side effects that worsen the quality of life of the patients. Programs of therapeutic education are essential to improve adherence, quality of life, likelihood of viral suppression, improvement of liver disease, and decrease of late complications. Therapeutic education should be understood as an acquisition of decisional, technical, and social competency with the purpose of making the patient able to make health choices, realize their own life plans, and use health care resources in the best manner. The patient should be placed in the center of an organization, comprising various care workers who include social service professionals and medical staff. For hepatitis C, therapeutic education may be separated into three phases: a first phase corresponding to the educative diagnosis; a second phase corresponding to support during treatment; and the third phase corresponding to support after treatment. Therapeutic education is performed using various instruments and methods specifically adapted to the needs and expectations of individual patients. Upcoming treatments for hepatitis C, with evidence for high efficacy, few side effects, and shorter duration, will certainly change the landscape of adherence and the management of therapeutic education.

Hepatitis C, stigma and cure

The infection with hepatitis C virus (HCV) is one of the most important global chronic viral infections worldwide. It is estimated to affect around 3% of the world population, about 170-200 million people. Great part of the infections are asymptomatic, the patient can be a chronic carrier for decades without knowing it. The most severe consequences of the chronic infection are liver cirrhosis and hepatocellular carcinoma, which appears in 20%-40% of the patients, leading to hepatic failure and death. The HCV was discovered 25 years ago in 1989, is a RNA virus and classified by the World Health Organization as an oncogenic one. Hepatocellular carcinoma is one of the most important cancers, the fifth worldwide in terms of mortality. It has been increasing in the Ocidental world, mainly due to chronic hepatitis C. Hepatitis C is not only a liver disease and a cause of cirrhosis, but also a mental, psychological, familiar, and social disease. The stigma that the infected person sometimes carries is tremendous having multiple consequences. The main cause is lack of adequate information, even in the health professionals setting. But, besides the “drama” of being infected, health professionals, family, society and the infected patients, must be aware of the chance of real cure and total and definitive elimination of the virus. The treatment for hepatitis C has begun in the last 80´s with a percentage of cure of 6%. Step by step the efficacy of the therapy for hepatitis C is rapidly increasing and nowadays with the very new medications, the so called Direct Antiviral Agents-DAAs of new generation, is around 80%-90%.

Neuropsychiatric and psychosocial issues of patients with hepatitis C infection: a selective literature review

CONTEXT

We briefly reviewed the evidence on the association of hepatitis C (HCV) infection with several aspects of mental and psychosocial health.

EVIDENCE ACQUISITION

Medline was searched with appropriate keywords. The primary sources were the systematic reviews. If systematic reviews were not available for a subject, then the most relevant and methodologically sound original studies were selected.

RESULTS

HCV infection is associated with poorer health-related quality of life, and physical, mental, and social health. A part of impaired health of these patients is related to cirrhosis, intravenous drug use, co morbid psychiatric disorders, stigmatization, poor social support, alcohol abuse, and interferon treatment. However, HCV itself is also associated with poorer health status particularly in the physical and cognitive domains, which might be related to brain alterations induced by the virus. Interferon treatment is an important cause of depression in HCV patients and sometimes is associated with irritability, manic episode, or acute confusional state. Social health of HCV patients is significantly impaired by stigmatization, poor social support, psychiatric comorbidties, and impaired coping. Psychosocial impairment of HCV patients significantly impairs their treatment adherence. A supportive and nonjudgmental multidisciplinary team is required for optimal management of these patients.

CONCLUSIONS

Patients with HCV infection had complex neuropsychiatric and psychosocial problems. These problems are challenges for management of HCV infection, affect the patient's care significantly, and might alter the course of the disease. A multidisciplinary approach, a supportive environment, and a nonjudgmental healthcare team are required for optimal medical and psychosocial management of patients with HCV.

The changing face of hepatitis C in the new era of direct-acting antivirals

The approval of the first protease inhibitors as treatment for hepatitis C virus (HCV) infection is rapidly transforming the way patients with chronic hepatitis C are managed. Treatment regimens are moving to combinations given for shortened periods, excluding poorly tolerated subcutaneous interferon, and providing rates of cure exceeding 75%. The recognition of HCV infection as a systemic disease, not limited to producing liver damage, in which extrahepatic complications play a major role as the cause of morbidity and mortality, is prompting the treatment of a growing number of HCV-infected individuals. However, new challenges are emerging, including the need to diagnose a substantial proportion of asymptomatic carriers, the risk of potentially harmful drug-drug interactions and the high cost of medications. The future will probably see a progressive marginalization of residual HCV populations, with increasing over-representation of illegal immigrants, alcohol abusers, intravenous drug users and the mentally disabled.