Wednesday, November 13, 2013

Hepatitis C Virus Infection and Risk of Stroke: A Systematic Review and Meta-Analysis

Hepatitis C Virus Infection and Risk of Stroke: A Systematic Review and Meta-Analysis

He Huang equal contributor, Rongyan Kang equal contributor, Zhendong Zhao mail                   

Published: Nov 12, 2013
DOI: 10.1371/journal.pone.0081305


Abstract
Background/Aims

Several studies analyzed the association between hepatitis C virus (HCV) infection and the risk of stroke or cerebrovascular death, but their findings were inconsistent. Up to date, no systematic review about the association between HCV infection and stroke was performed. We conducted a meta-analysis to examine whether HCV infection dose increase stroke risk in comparison to the population without HCV infection.

Methods

We followed standard guidelines for performance of meta-analysis. Two independent investigators identified eligible studies through structured keyword searches in several databases. Random-effects and fixed-effects models were used to synthesize the data. Heterogeneity between studies and publication bias were also accessed.

Results

Combining the data from the eligible studies, we calculated the pooled multi-factor adjusted Odds Ratio (OR) with 95% confidence interval (CI). Upon the heterogeneity found between studies, the result was 1.58 (0.86, 2.30) by random-effects model. However, after omitting the study which induced heterogeneity, the pooled OR with 95% CI was 1.97 (1.64, 2.30).

Conclusions

This meta-analysis suggested that HCV infection increased the risk of stroke. More prospective cohort studies will be needed to confirm this association with underlying biological mechanisms in the future.

Discussion Only
Full Text Available @ PLOS ONE

As we know that the result of a single research may be affected by many factors, in order to reduce the bias and increase the efficiency of the small sample study of statistics, meta-analysis was performed to further explore the relationship between stroke and HCV infection. Six studies estimated the risk of stroke in HCV infected population were identified [10,12-16]. The final analysis suggested that HCV infection increased the risk of stroke with statistical significance. To our knowledge, this was the first to attempt to synthesize the existing world literature to evaluate the effect of HCV infection on stroke.

The mechanism(s) by which HCV may favor stroke is not known. Increasing evidence has showed that chronic HCV infection increased the risk of ultrasonographically defined carotid intima-media thickness and or plaque [25-27], which are predictors of cerebrovascular disease [28]. It is well-known that chronic inflammation plays an important role in the instability of plaque [29]. It was also found that HCV replicated with carotid plaque [30]. Beyond, HCV infection also increased the risk of metabolism diseases, such as type II diabetes[4]. All of these events potentially increased the risk of stroke. Thus, it is believed that there is potential association between HCV infection and stroke. However, studies from several groups provided conflicting results. Our meta-analysis consisted of more than 22171 HCV infected individuals and more than 87418 controls and might allow a much greater possibility of reaching reasonably strong conclusions.

The results of combing the four eligible studies suggested that HCV infection was not associated with stroke (Figure 2). However, a substantial heterogeneity among the studies included was found, which can influence the validity and reliability of the results of meta-analysis. Thus, sensitivity analysis was performed to identify the potential sources of between-study heterogeneity and to reduce heterogeneity [31]. Our analyses found that the study by Younossi et al. [16] was a major contributor to the heterogeneity. Inadequate adjusting variables used might induce bias and could be an important source of heterogeneity. We noted that several cofounders, such as race, gender, and hypertension, were significantly different between HCV+ and control in this study [16]. However, these factors were not involved in the adjustment. The differences in HCV positive criteria used might be another source of heterogeneity. After omitting this study, heterogeneity was reduced and the results suggested that HCV infection significantly increased the risk of stroke (Figure 4).

Some limitation in this meta-analysis should be demonstrated in the discussion of the results. Firstly, our search was limited to studies published in English. However, we found no evidence of publication bias, although the statistical tests for detecting this had limited power[32], especially for relatively small numbers of studies. Secondly, we should noted that the number of included studies in this analysis was relatively low (4 studies). Two of the studies were published only in abstract form on conferences[10,14] and the study by Adinolfi et al.[13] was the only one published article in the final analysis (Figure 4). This limitation might induce bias, although publication bias was not found in our analysis. Thirdly, HCV positive criteria and cofounder for adjusting ORs were different between the included studies, which might induce bias in our study. Fourthly, all the included studies were retrospective studies and the inherent limitations of such studies may influence our findings. More studies with prospective design will be needed. Fifthly, the studies were restricted to United States and Italy, so it was uncertain whether these results were generalizable to other populations. The other two studies excluded in the final analysis were performed in Taiwan [12,15]. However, they reported HRs which could not be combined with ORs. Never the less, the results form these two studies both supported our conclusion. Due to the limitations mentioned above, the results of this meta-analysis should be interpreted with care.

In conclusion, our meta-analysis revealed that  HCV infection significantly increased the risk of stroke. Due to the limitations mentioned above, more population-based well-designed cohort studies will be needed to confirm our results. Furthermore, future studies may evaluate the impacts of different genotypes of HCV infection on stroke. The updating of this meta-analysis will give us more information and may help inform clinical practice guidelines in the future.

 

Costs for Hepatitis C Treatment Skyrocket

Medscape

Costs for Hepatitis C Treatment Skyrocket
Miriam E. Tucker
November 13, 2013

WASHINGTON, DC — The expense of telaprevir-based triple therapy for hepatitis C — including adverse event management — is $189,000 per sustained viral response, report investigators.

"Our findings indicate that the benefit-cost ratio is lower than projected, based on results of the registration trials," lead investigator Andrea Branch, MD, from the Icahn School of Medicine at Mount Sinai in New York City.

Kian Bichoupan, MBS, who is Dr. Branch's first-year PhD clinical research student, presented the results here at The Liver Meeting 2013.

The number seemed to alarm session comoderator Sammy Saab, MD, from the David Geffen School of Medicine at UCLA, who called it "very surprising." It is "at least double what we think the cost is. I didn't know the cost of actually curing someone was so high," he said.

It is expected that 2 new direct-acting antiviral agents for the treatment of hepatitis C, simeprevir and sofosbuvir, will be approved by the US Food and Drug Administration (FDA) on December 8. Both have far better adverse-event profiles than telaprevir-based regimens, but the degree to which the cost-effectiveness calculation will change depends on their price, which hasn't yet been announced, Dr. Saab explained.

The benefit-cost ratio is lower than projected.

Before telaprevir received FDA approval in May 2011, the standard of care for genotype 1 hepatitis C was 48 weeks of pegylated interferon and ribavirin. With that regimen, the sustained viral response ranged from 40% to 50%. With the addition of telaprevir to the peginterferon and ribavirin regimen, response rates increased to 64% to 75%, but adverse events and costs also rose.

Previous studies have shown that peginterferon and ribavirin dual therapy costs $70,364 per sustained viral response in patients with genotype 1 hepatitis C. Data from phase 3 registration trials suggest that telaprevir-based triple therapy is cost-effective, but real-world data have been unavailable until now, Bichoupan said.

The researchers evaluated 147 patients who initiated telaprevir-based triple therapy at Mount Sinai. The mean age of the cohort was 56 years, and 68% of the cohort was male, 19% was black, 46% did not respond to previous hepatitis C treatment, and 35% had advanced fibrosis or cirrhosis.

They calculated the cost of the therapy itself and the management of adverse events from Medicare, the Agency for Healthcare Research and Quality, and other sources.

Sustained viral response was achieved by 44% of patients. At 48 weeks, the cost of telaprevir was $55,273, of peginterferon was $30,418, and of ribavirin for $4926. Telaprevir accounted for 61% of the $90,617 total, Bichoupan noted.

Adverse events, primarily anemia, accounted for 8% of the total cost; 48% of the patients required treatment with epoetin alpha, 9% needed blood transfusions, 8% were treated with granulocyte colony-stimulating factor (G-CSF), 13% required hospitalization, and 10% made emergency department visits.

Total costs were $664,083 for epoetin alfa, $29,007 for G-CSF, and $12,644 for transfusions.

The total cost of treating hepatitis C was higher for the 65 patients who achieved sustained viral response than for the 82 who did not ($6.33 vs $5.24 million).

The median cost per patient was $83,509. The researchers multiplied that by the reciprocal of the 44% sustained viral response (2.27), and arrived at $188,859 per response.

The cost per sustained viral response was lower for treatment-naïve than for previously treated patients ($158,403 vs $199,134). For patients with advanced liver fibrosis, the cost was $185,484. For those with less severe fibrosis, the cost jumped to $256,977, Bichoupan reported.

He pointed out that this study started when telaprevir had just reached the market, and that outcomes might improve over time with better strategies for preventing adverse events.

Dr. Branch told Medscape Medical News that these data can't determine whether nearly $200,000 per sustained viral response is cost-effective, because not enough is known about the cost savings associated with such a response.

Better Options

Other investigators have compared health costs for patients who achieve a sustained viral response with costs for patients with chronic hepatitis C infection. However, "this is not the best way to do the analysis because patients who achieve a sustained viral response may be healthier than patients who do not," Dr. Branch noted.

Dr. Saab said he agrees that the cost figures are likely to improve as experience with the drugs increases. However, he noted that telaprevir will likely disappear soon after the expected FDA approval of simeprevir and sofosbuvir.

Dr. Branch echoed this opinion. Telaprevir-based regimens "are only appropriate for patients who cannot wait even a few months for newer regimens to complete the FDA review and approval process," she said.

This study was supported in part by Gilead Sciences, the National Institute of Drug Abuse, and the National Institute of Diabetes and Digestive and Kidney Diseases. Dr. Saab is a consultant to Bristol-Myers Squibb.

The Liver Meeting 2013: American Association for the Study of Liver Diseases (AASLD). Abstract 244. Presented on November 5, 2013

Of Interest @ HCV New Drugs
How Much? A Battle Over The Cost Of The New Hepatitis C Drugs
According to an article over at Pharmalot, Wall Street has estimated sofosbuvir to reach $80,000 to $90,000, per patient in the US. The high cost will put these drugs out of reach for low and middle-income countries. Columnist Ed Silverman mentioned a presentation at this months liver meeting which suggests a much lower cost then predicted by investment analysts. Andrew Hill of Liverpool University and colleagues presented a new analysis of predicted minimum costs to produce four next generation HCV DAAs, currently in Phase 3 development. The poster was also presented earlier this year at the 7th IAS Conference. Here is the cost prediction in Hill's paper: $20-63 for a 12-week treatment of ribavirin, $10-30 for daclatasvir, $68-136 for sofosbuvir, $100-210 for faldaprevir and $130-270 for simeprevir  (view the full analysis here)


Tuesday, November 12, 2013

Watch:AASLD Internet Symposium And Review November HCV Newsletters


AASLD Internet Symposium And November HCV Newsletters

Hello, and welcome to the second week of November.

Today, in my part of the world we had our first dusting of snow, a reminder that winter is not far off.

I hope everyone is in the mood for reading, if not sit back and watch an educational activity presented by one of my favorite websites.

Just launched online by ViralEd is an Internet symposium discussing key studies on current and future drugs to treat chronic hepatitis C, presented at the 64th AASLD. 

The 1.5 hour symposium will feature 4 well-known and recognized thought leaders in the HCV field; Fred Poordad, MD ( looking hot in his bow tie), K. Rajender Reddy, MD., Mark Sulkowski, MD., and Nezam H. Afdhal, MD.

Navigating The On Demand Presentation

The good news? No navigating. Just click here, enter your name and email address and click "Go To Program"


AASLD 2013 Internet Symposium

http://www.viraled.com/aasld13

Hot Topics

A collection of  "Hot Topics" with links to interim data on experimental HCV drugs presented at this months liver meeting are included further down this post, following the summary of November Newsletters.

November HCV Newsletters

This months index of newsletters is chock full of helpful hepatitis C information. 
 


American Liver Foundation
 
 Liver Lowdown is the monthly general interest e-newsletter of the American Liver Foundation.

In accordance with the Foundation’s mission, the e-newsletter is disseminated to provide information about the prevention, treatment and cure of liver disease, as well as the organization’s research and advocacy endeavors.

Content includes updates about the Foundation’s educational and signature programs; an in-depth focus on specific types of liver disease, and profiles of liver patients’ and caregivers’ personal experiences

November Newsletter

FEATURED This Month
6 Things You Should Know About Liver Cancer
What’s the difference between primary liver cancer and metastatic liver cancer? If you have liver cancer, are there always clear-cut symptoms? And what should you do if you think you’re at risk? Find the answers to these and other important questions.
 
 ALF Website
The Hepatitis C: Diagnosis, Treatment, Support website
1-800-GOLIVER (1-800-465-4837)

In addition, questions sent on e-mail to info@liverfoundation.org will be promptly answered.

Stay Connected

Join Our Mail List
 
 Check Us Out On Twitter and Facebook
 
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NYC Viral Hepatitis Monthly E-Newsletter


November Newsletter


NPR

BOOM! Health  
New social marketing ad campaign on 60 MTA buses and multiple subway stops encourages Bronx residents to know their HIV and hep C status by getting tested and engaging in treatment.

NASTAD. Provides recommendations for policymakers to better equip state and local health departments to provide the basic, core public health services to combat viral hepatitis; increase surveillance, testing and education efforts nationwide; and effectively reach the goals set by IOM, HHS & CDC.
and more.......

Join Us

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 HCV Advocate Newsletter 

The HCV Advocate newsletter is a valuable resource designed to provide the hepatitis C community with monthly updates on events, clinical research, and education

November Newsletter

In This Issue

Game Changers:  AbbVie and Gilead 
Alan Franciscus, Editor-in-Chief

Snapshots
Lucinda K. Porter, RN

HEALTHWISE: Military Veterans and Hepatitis C) 
Lucinda K. Porter, RN

Prescription Drugs – Off-label Use
Alan Franciscus, Editor-in-Chief

Flu-Shots
Lucinda K. Porter, RN

 HCV Advocate
News & Pipeline Blog
Click Here

Hepatitis B
HBV Journal Review
HBV Journal Review November 2013

Connect With HCV Advocate

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News Updates

 Canadian Liver Foundation’s Newsroom
Liver in the News

Newsletter

Livewell is our e-newsletter exclusively for friends and donors of the Canadian Liver Foundation. Each issue highlights liver health issues, exciting research projects, upcoming events and includes profiles of our outstanding volunteers and donors.

The Livewell newsletter is distributed 4x per year. Please click here to fill in the form and we will be happy to add you to our subscriber list!

CLF updates you and interacts with you on all things liver
Stay Updated

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Visit HepatitisCNews.com, an online community for those living with hepatitis C
 
Hep C TV - November 2013

Published on Nov 22, 2013
          
A monthly round-up of all things hep C! Taking a look at recent developments in hep C treatments, a tribute to the legendary musician Lou Reed and the latest contributions from our community here at Hepatitis C News.
 
 
 
November Spotlight On Series
 
Spotlight On ..... Naomi Judd
 
 
 
 
This week, in the second of our ‘Spotlight on…’ series, we profile American country singer Naomi Judd and her incredible work in the fight against hep C.
 
 
In this, the first in a regular series, we profile actress and model Pamela Anderson and her experience of living with the hep C virus.

****Watch "Hepatitis C News" YouTube Channel for a November Re-cap

Stay connected
 

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HepCBC’s MONTHLY NEWSLETTER


The hepc.bull, has been “Canada’s hepatitis C journal” since the late 1990′s and has been published nonstop since 2001. The monthly newsletter contains the latest research results, government policy changes, activities and campaigns you can get involved in, articles by patients and caregivers, and a list of support groups plus other useful links.

ARTICLES IN THIS ISSUE:

HCV in the News

 Lou Reed

Andrew Cumming: My Story

And More!

Stay Connected

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CAP News
November News

CAP Hepatitis C Literature Review
Monthly Pubmed Review of the most relevant research on HCV

October Literature Review

Hepatitis C Choices
5th edition Free Online Book

Stay Connected With CAP

Facebook


This Months Newsletters Not Yet Published - Check Back


 

 GI & Hepatology News is the official newspaper of the AGA Institute and provides the gastroenterologist with timely and relevant news and commentary about clinical developments and about the impact of health-care policy. The newspaper is led by an internationally renowned board of editors.
 
Today we have a newsletter update, GI & Hepatology News the official newspaper of the AGA Institute just published their montly newsletter.

Download the November Newsletter in either PDF or view the Interactive Version

In this issue

Sofosbuvir combo effective in unresponsive HCV
Coffee affects risk of liver vs. pancreatic cancer differently
Medicare may be covering HCV screening

HCV HUB

Readers may have noticed a promo in the GI newsletter for "HCV HUB." Check out the news section of the HUB here, videos here, and homepage here.

Headlines At The HUB

Study identifies preferred approach to managing anemia from HCV treatment


 
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NIH Website

****Check back for November Newsletter

Most Viewed

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 Hot Topics
 


Sofosbuvir and Simeprevir

Recently, the FDA Antiviral Drugs Advisory Committee reviewed  Gilead's Sofosbuvir, a nucleotide analog NS5B polymerase inhibitor and Johnson & Johnson's Simeprevir a protease inhibitor for the treatment of hepatitis C. 

The committee recommend the approval of simeprevir, in combination with pegylated interferon and ribavirin for the treatment of adult genotype 1 patients with compensated liver disease, including cirrhosis.

As for sofosbuvir, the panel voted unanimously in support of approving the drug in combination with just ribavirin for treating adult HCV genotypes 2/3 and in combination with pegylated interferon/ribavirin for genotype 1 and 4 treatment-naive patients. For detailed information please download the FDA review package for sofosbuvir and simeprevir.

The FDA does not have to follow the advice of its panels, but most often will. The U.S. health regulators are scheduled to decide whether to approve sofosbuvir by December 8, and simeprevir by November 27.

*Of Interest - sofosbuvir
First Interferon-Free HCV Regimen Gets Unanimously Positive Vote

Sofosbuvir-ledipasvir alone or with ribavirin

In the November issue of "The Lancet" researchers suggest that the fixed-dose combination of sofosbuvir-ledipasvir alone or with ribavirin has the potential to cure most patients with genotype-1 HCV including those with compensated cirrhosis or who have previously failed treatment with protease inhibitors. 

Commentary on the study by Paul E. Sax, MD, the Editor-in-Chief of  NEJM Journal Watch HIV/Aids Clinical Care;
by Paul E. Sax, MD
Imagine for a moment the ideal medical future … there’s a vaccine that prevents the common cold … colon cancer screening no longer requires that horrendous “prep” … electronic medical records are easily accessible, intuitive, secure, and all communicate effortlessly with one another … your doctor’s office has an actual person who answers the phone instead of a prerecorded list of “menu options” … and hepatitis C is cured with one pill a day taken for 8 weeks.

Not sure about the timeline for the first four, but based on this study of sofosbuvir and ledipasvir just published in the Lancet, the hepatitis C outcome is right around the corner:

In cohort A, SVR12 [no detectable virus 12 weeks after stopping treatment] was achieved by 19 (95%) of 20 patients (95% CI 75–100) in group 1, by 21 (100%) of 21 patients (84–100) in group 2, and by 18 (95%) of 19 patients (74–100) in group 3. In cohort B, SVR12 was achieved by 18 (95%) of 19 patients (74–100) in group 4 and by all 21 (100%) of 21 patients (84–100) in group 5 … These findings suggest that the fixed-dose combination of sofosbuvir-ledipasvir alone or with ribavirin has the potential to cure most patients with genotype-1 HCV, irrespective of treatment history or the presence of compensated cirrhosis. 

You’ll note that the “groups” were pretty small, and that only one of them — group 1 — actually got just the one-pill sofosbuvir/ledipasvir combination for 8 weeks, but regardless, these are pretty spectacular results. 

Even the most “complex” treatment group in this study received sofosbuvir/ledipasvir plus ribavirin for only 12 weeks, which is light years from the complexity of our current interferon-based therapies. Light years better, of course.

And since sofosbuvir has already been reviewed by the FDA advisory panel, we should be getting at least this drug by December 2013 at the latest; the combination pill with ledipasvir could be available some time next year (according to this article in the New York Times), and several other investigational HCV drugs will likely be approved soon as well (simeprevir this year too). But calm down already.

Take a deep breath. It’s a small phase II study. Shouldn’t we be more cautious? Shouldn’t we avoid wildly overstating the importance of this particular treatment approach? Of course, that’s the prudent thing to do.

But can people with HCV and their treaters be ecstatic about these results anyway? You betcha.

How Much? A Battle Over The Cost Of The New Hepatitis C Drugs
According to an article over at Pharmalot, Wall Street has estimated the cost of sofosbuvir to reach $80,000 to $90,000 per patient in the US. The high cost will put these drugs out of reach for low and middle-income countries. Columnist Ed Silverman mentioned a presentation at this months liver meeting which suggests a much lower cost then predicted by investment analysts. Andrew Hill of Liverpool University and colleagues presented a new analysis of predicted minimum costs to produce four next generation HCV DAAs, currently in Phase 3 development. The poster was also presented earlier this year at the 7th IAS Conference. Here is a quick rundown of predicted costs: $20-63 for a 12-week treatment of ribavirin, $10-30 for daclatasvir, $68-136 for sofosbuvir, $100-210 for faldaprevir and $130-270 for simeprevir (view the full analysis here)

Just In - Nov 13

Costs for Hepatitis C Treatment Skyrocket

Miriam E. Tucker
November 13, 2013

WASHINGTON, DC — The expense of telaprevir-based triple therapy for hepatitis C — including adverse event management — is $189,000 per sustained viral response, report investigators.

"Our findings indicate that the benefit-cost ratio is lower than projected, based on results of the registration trials," lead investigator Andrea Branch, MD, from the Icahn School of Medicine at Mount Sinai in New York City.
New data were presented at the meeting for both direct-acting antivirals and for some investigational agents used in combination regimens for patients with genotypes 1 to 4 hepatitis C. Several trials suggest the potential for interferon- and ribavirin-free all-oral regimens for genotypes 2 and 3 hepatitis C, and there is a variety of new combinations for the hard-to-treat genotype 1.

The New Paradigm of Hepatitis C Therapy - Integration of Oral Therapies Into Best Practices
Emerging data indicate that all-oral antiviral treatments for chronic hepatitis C virus (HCV) will become a reality in the near future. In replacing interferon-based therapies, all-oral regimens are expected to be more tolerable, more effective, shorter in duration and simpler to administer.

Liver Deaths Cut Once HCV Viral Load Suppressed
Patients who achieved an undetectable viral load of hepatitis C virus (HCV) had decreased hepatic morbidity and mortality long-term, researchers found.

Hepatitis C, stigma and cure
Recently, an article titled "Hepatitis C, stigma and cure" published in the October issue of World J Gastroenterol, looked at the social stigma attached to HCV, consequences of living with the chronic infection, and new drugs to treat the virus.

AASLD

Sofosbuvir 

AASLD - Interferon-Free HCV Tx Benefits Mentally Ill  -
WASHINGTON -- Hepatitis C (HCV) patients with mental comorbidities, such as depression or bipolar disorder, can be successfully treated with an interferon-free drug regimen, a phase II trial showed. Note that this uncontrolled trial demonstrated similar rates of virologic response among patients with and without psychiatric comorbidities treated with sofosbuvir and ribavirin....

AASLD 2013: Sofosbuvir + Ribavirin for 12 or 24 Weeks Cures Most Genotype 2-3 Hepatitis C Patients
A dual oral regimen of sofosbuvir plus ribavirin led to sustained response for 93% of genotype 2 hepatitis C patients treated for 12 weeks and 85% of genotype 3 patients treated for 24 weeks, researchers reported last week at the 64th AASLD Liver Meeting in Washington, DC. A related study found that adding ribavirin to this combination may be an option for harder-to-treat individuals.

AASLD-Gilead Announces New Sustained Viral Response Data for Sofosbuvir-Based Regimens in Genotype 3-Infected Hepatitis C Patients
Gilead Sciences, Inc. (Nasdaq:GILD) today announced results from two studies, the Phase 3 VALENCE study and the Phase 2 LONESTAR-2 study, evaluating the investigational once-daily nucleotide analogue sofosbuvir for the treatment of chronic hepatitis C virus (HCV) infection among patients infected with genotype 3 HCV. These data will be presented this week at the 64th Annual Meeting of the American Association for the Study of Liver Diseases (The Liver Meeting 2013) taking place in Washington, D.C.

AASLD-Gilead Announces Phase 3 Results for an All-Oral, Sofosbuvir-Based Regimen for the Treatment of Hepatitis C in Patients Co-Infected With HIV
Gilead Sciences, Inc. (Nasdaq:GILD) today announced results from a Phase 3 study, PHOTON-1, evaluating the investigational once-daily nucleotide analogue sofosbuvir for the treatment of chronic hepatitis C virus (HCV) infection among patients co-infected with HIV. In the trial, 76 percent (n=87/114) of genotype 1 HCV treatment-naïve patients receiving 24 weeks of an all-oral, interferon-free regimen of sofosbuvir plus ribavirin (RBV) achieved a sustained virologic response 12 weeks after completing therapy (SVR12). Patients who achieve SVR12 are considered cured of HCV infection. These data will be presented this week during the 64th Annual Meeting of the American Association for the Study of Liver Diseases (The Liver Meeting 2013) in Washington, D.C.

Sofosbuvir-Based Regimens Liver Transplant Patients 

AASLD-Gilead Announces Phase 2 Results for Sofosbuvir-Based Regimens in Hepatitis C Patients Before and After Liver Transplantation
Gilead Sciences, Inc. (Nasdaq: GILD) today announced results from two Phase 2 studies evaluating an all-oral treatment regimen of the investigational once-daily nucleotide analogue sofosbuvir plus ribavirin (RBV) for both the prevention and treatment of recurrent chronic hepatitis C virus (HCV) infection among patients who undergo liver transplantation. The findings will be presented this week at the 64th Annual Meeting of the American Association for the Study of Liver Diseases (The Liver Meeting 2013) in Washington, D.C.

First Study of its Kind Shows that All-oral Treatment Regimen Prevents Hepatitis C Recurrence in Liver Transplant Recipients
For the first time, researchers have been able to prevent the recurrence of hepatitis C virus (HCV) infection in a large proportion of patients (64 percent, n=25/39) who undergo liver transplantation for cirrhosis complicated by hepatocellular carcinoma (HCC). This success was achieved with an interferon-free treatment regimen containing the oral antivirals sofosbuvir, an investigational agent, and ribavirin.

Slides: Pretransplant Sofosbuvir and Ribavirin to Prevent Recurrence of HCV Infection After Liver Transplantation

Sofosbuvir and Ledipasvir

A two-drug, single-pill HCV regimen with/without ribavirin -- led to viral cures in 97% of patients
In the so-called LONESTAR study, Lawitz and colleagues are testing the single-pill combination of sofosbuvir, a nucleotide polymerase inhibitor, and ledipasvir, which blocks the nonstructural NS5A protein

AASLD - HCV combo sofosbuvir and ledipasvir plus ribavirin yields 100% response rate
The addition of ribavirin to a fixed-dose combination of sofosbuvir and ledipasvir, two potent direct-acting hepatitis C antiviral drugs, increased the response rate from 70% to 100% in previously-treated patients with chronic hepatitis C infection and fibrosis or cirrhosis.

Fixed-Dose HCV Combo OK With Ribavirin Substitute
WASHINGTON -- A fixed-dose combination of two investigational hepatitis C (HCV) drugs needs a boost in patients with advanced fibrosis or cirrhosis, a researcher said here.
But the boost doesn't have to be the old stand by for HCV therapy, ribavirin, according to Edward Gane, MD, of Auckland Clinical Studies in Auckland, New Zealand...

AASLD- Gilead's hepatitis C Sofosbuvir/ledipasvir plus ribavirin or GS-9669
Interferon-free regimens of sofosbuvir and ledipasvir plus either ribavirin or GS-9669 taken for 12 weeks produced sustained response in 100% of treatment-experienced people with genotype 1 chronic hepatitis C virus (HCV) with advanced liver fibrosis or cirrhosis.

COSMOS - Simeprevir and Sofosbuvir

AASLD - COSMOS study with Simeprevir and Sofosbuvir in cirrhotic and non-cirrhotic HCV genotype 1 patients
Stockholm, Sweden — Medivir AB (OMX: MVIR) today announced data from the interferon-free COSMOS study demonstrating safety and efficacy of the investigational protease inhibitor simeprevir (TMC435) in combination with the investigational nucleotide inhibitor sofosbuvir (GS-7977), with and without ribavirin, in genotype 1 chronic hepatitis C adult patients with compensated liver disease was presented at the Annual Meeting of the American Association for the Study of Liver Diseases (AASLD) in Washington, D.C. during the late-breaking oral session on Monday, November 4....

HCV Combo Promising in Difficult Patients
WASHINGTON -- The combination of two novel hepatitis C (HCV) drugs that are close to market yielded good efficacy in hard-to-treat patients, a researcher said.

Simeprevir

Simeprevir SVR in Treatment-Naïve and Treatment-Experienced Geno 1 Chronic Hepatitis C Patients
Beerse, Belgium (Nov. 11, 2013) Janssen R&D Ireland (Janssen) today announced the presentation of new data for the new generation protease inhibitor simeprevir (TMC435) in the treatment of genotype 1 chronic hepatitis C (HCV) in treatment-naïve and treatment-experienced adult patients with compensated liver disease. In analyses of the Phase 3 QUEST-1 and QUEST-2 studies in treatment-naïve patients and the Phase 3 PROMISE study in prior relapse patients, the efficacy of simeprevir was observed in HCV patients considered difficult to treat, including patients with the IL28B TT genotype and METAVIR scores of F4.

Daclatasvir and Asunaprevir

Daclatasvir plus Asunaprevir HCV Regimen: No Interferon, No Ribavirin, No Problem
WASHINGTON -- Patients who failed to respond to standard treatment for hepatitis C virus (HCV) infection achieved greater than 80% sustained virologic response at 24 weeks with an all-oral regimen that eschewed both interferon and ribavirin, researchers reported here.

AASLD-Phase III all-oral hepatitis C regimen daclatasvir and asunaprevir
For the 24-week study, 222 patients were studied, and 85.6 percent of those patients had a sustained virologic response (SVR) by week 12. According to Kazuaki Chayama, MD, PhD, "Only around 75 percent of patients treated with peg-interferon /ribavirin/telaprevir had a SVR but that therapy was associated with severe side effects and high cost. New oral-only drug therapy is quite safe and the eradication rate is so high."

Bristol seeks Japan approval of all-oral hepatitis C treatment
Patients in the trial were given a combination of daclatasvir, from a promising new class of drugs called NS5A inhibitors, and the protease inhibitor asunaprevir for 24 weeks. Those who had no detectable levels of the virus in their blood 24 weeks after completing the therapy were deemed to be cured, a measure known as SVR24, for sustained virologic response.

MK-5172 with MK-874

AASLD-High cure rates seen with Merck oral hepatitis drugs -study
A combination of two oral hepatitis C treatments developed by Merck & Co led to high cure rates in previously untreated patients, indicating the company is a contender in the race to find new treatments for the liver destroying virus.

MK-5172 - Oral HCV Combos Promising
WASHINGTON -- All-oral combinations of two novel drugs for hepatitis C (HCV) demonstrated promising efficacy in a small clinical trial, a researcher said here.

Merck's 'breakthrough' hep C combo plays catch-up 
Now its combination of MK-5172, an NS3/4A protease inhibitor, and the NS5A treatment MK-8742 produced cure rates ranging from 96% to 100% among small groups of genotype 1a and 1b patients. A total of 58 evaluable patients were included in the readout with the combo provided both with and without ribavirin.

Slides - MK-8742, an HCV NS5A Inhibitor With a Broad Spectrum of HCV Genotypic Activity, Demonstrates Potent Antiviral Activity in Genotype-1 and -3 HCV-Infected Patients

Resistance Analysis [and activity] of Genotype-1 and -3 HCV-Infected Patients Receiving MK-8742, an HCV NS5A Inhibitor With Potent Antiviral Activity, in a Ph1b Monotherapy Study

High Efficacy and Safety of the All-Oral Combination Regimen, MK-5172 / MK-8742 ± RBV for 12 Weeks in HCV Genotype 1 Infected Patients: The C-WORTHY Study

ABT-450/r, and ABT-267

HCV RNA "Target Detected" After "Target Not Detected" During IFN-free Treatment: Time to Worry or Not?

AASLD-New Data from from AbbVie's Study, ABT-450 Containing Regimen
Enanta Pharmaceuticals, Inc., (NASDAQ: ENTA  a research and development-focused biotechnology company dedicated to creating small molecule drugs in the infectious disease field, today announced that additional data from AbbVie's M13-393 study, referred to as PEARL-I, will be presented in an oral presentation at 5:15 p.m. ET today at The Liver Meeting, the 64th Annual Meeting of the American Association for the Study of Liver Diseases (AASLD) in Washington, D.C.

AbbVie’s two-drug, interferon-free combination cures genotype 1b hepatitis C infection in 95%
AbbVie is already testing ABT-450, an HCV protease inhibitor boosted by ritonavir, and ABT-267, an Ns5A inhibitor, in several phase III studies in combination with a third drug, the non-nucleoside polymerase inhibitor ABT-333. These trials will begin to report results by the end of 2013, and it is likely that AbbVie will submit a licensing application in early 2014 for this three-drug, interferon-free combination in order to achieve marketing approval in the second half of 2014.....

HCV Drug Combo Cures Most in Select Group 
WASHINGTON -- An investigational two-drug combination treatment for hepatitis C (HCV) -- using none of the standard medications -- led to cures in 90% or more of a selected group of patients, a researcher said here.

In the PEARL-1 study, Lawitz and colleagues studied ABT-450/r, an HCV NS3/4A protease inhibitor boosted with the protease inhibitor ritonavir (Norvir), and ABT-267, which blocks the viral nonstructural protein NS5A.

Slides - Safety of Ribavirin-containing Regimens of ABT-450/r, ABT-333, and ABT-267 for the Treatment of HCV Genotype 1 Infection and Efficacy in Subjects With Ribavirin Dose Reductions

Low Relapse Rate Leads to High Concordance of SVR4 and SVR12 With SVR24 After Treatment With ABT-450/r, ABT-267, ABT-333 + Ribavirin in Patients With Chronic HCV Genotype 1 Infection in the AVIATOR Study

VX-135

Of Interest - Aug 27 2013
Vertex’s VX-135 partial hold signals heightened FDA scrutiny toward HCV drugs
The FDA seems to be very sensitive about any compounds causing hepatotoxicity (liver damage) in HCV, said one expert, a US-based investigator. There is now a lot of focus on cardiac and hepatotoxicity due to Bristol-Myers Squibb’s (NYSE:BMY) failed purine nuc, he said.

Slides-Nov 7
VX-135, A Once-daily Nucleotide HCV Polymerase Inhibitor, Was Well Tolerated And Demonstrated Potent Antiviral Activity When Given With Ribavirin In Treatment-naïve Patients With Genotype 1 HCV

Faldaprevir/Deleobuvir/ PPI-668

Ongoing phase 2 trial finds RVR from all-oral regimen for HCV patients
WASHINGTON — An investigational, all-oral combination of protease inhibitor faldaprevir, non-nucleoside NS5B inhibitor deleobuvir and NS5A inhibitor PPI-668 with and without ribavirin has consistently demonstrated rapid virologic response among the hepatitis C genotype 1a population, a speaker said here.

AASLD Links

Blog News Updates

AASLD Website

AASLD Coverage

HCV Advocate - Commentary by Alan Franciscus @ Top News from AASLD 2013

Commentary/Abstracts/Videos @ Healio

Capsule Summaries, review by experts and slides @ Clinical Care Options CCO

Commentary/Abstracts with coverage by Liz Highleyman @ hivandhepatitis.com

Slides/Abstracts @ NATAP

CME/CE with commentary by Michael Smith @ MedPage Today

Photo Credit
www.cleveland.com 

News-Hepatitis C Found During ER Visits, Late relapse after SVR and SSRIs During Treatment

http://www.healio.com/hepatology


Hepatology: New At Healio

High prevalence of HCV found in baby Boomers via emergency room screening


 

SSRIs may reduce treatment-associated depression in HCV patients
Nov 12
Hou XJ. PLoS One. 2013;doi:10.1371/journal.pone.0076799.

Prophylactic use of selective serotonin reuptake inhibitors may significantly reduce the incidence of depression associated with pegylated interferon alfa-2a or 2b with ribavirin combination treatment for chronic hepatitis C, researchers from China reported.

Although pegylated interferon alfa-2a or alfa 2b (Peg-IFN a-2a or a-2b) with ribavirin is considered to be the most effective regimen for chronic hepatitis, the treatment is associated with “an approximately 70% incidence of mild to moderate depressive syndromes and 20% to 40% incidence of major depression” in patients with HCV infection, according to the researchers.
More »

Late relapse after SVR may not be new HCV infection
Nov 11
Hara K. J Infect Dis. 2013;doi:10.1093/infdis/jit541.

Patients with hepatitis C who relapse after achieving sustained virological response may be having a relapse of the initial infection rather than a reinfection with a different strain, recent data published in the Journal of Infectious Diseases suggest.

“In a few individuals, hepatitis C has found a sanctuary site and can remain dormant for a length of time,” Theo Heller, MD, chief of the translational hepatology unit at the Liver Diseases Branch of the National Institute of Diabetes & Digestive & Kidney Diseases, told Infectious Disease News. “This is important both biologically and clinically, even in the approaching era of direct-acting antivirals, where relapse may still be a problem. We already know it can and does occur.”
More »

Ongoing phase 2 trial finds RVR from all-oral regimen for HCV patients
November 11, 2013
WASHINGTON — An investigational, all-oral combination of protease inhibitor faldaprevir, non-nucleoside NS5B inhibitor deleobuvir and NS5A inhibitor PPI-668 with and without ribavirin has consistently demonstrated rapid virologic response among the hepatitis C genotype 1a population, a speaker said here.

“On a preliminary basis, it looks like we have another three-drug combo that’s active in the harder-to-treat [HCV] genotype 1a population,” Jacob P. Lalezari, MD, of the University of California, San Francisco, School of Medicine and director of Quest Clinical Research, said in discussing a late-breaking poster at The Liver Meeting.
More »

Additional headlines from The Liver Meeting 2013 @ Healio

Meeting News Coverage

Gamma-GT levels may predict HCC risk in noncirrhotic patients after SVR
November 8, 2013
Meeting News CoverageVideo

Breath analysis may offer noninvasive means to diagnose alcoholic hepatitis
November 8, 2013
Meeting News CoverageVideo

Triple therapy with sofosbuvir yields high SVR rates among cirrhotic patients with HCV
November 7, 2013
Meeting News CoverageVideo

ARF6 gene associated with biliary atresia
November 7, 2013
Meeting News Coverage

Public education on acetaminophen dangers vitally important
November 6, 2013
Meeting News Coverage

Interferon/ribavirin-free triple therapy highly effective for chronic HCV genotype 1
November 5, 2013
Meeting News Coverage

Immunosuppression, EVR predictive of SVR in liver transplant recipients with HCV
November 5, 2013
Meeting News Coverage

Severe fibrosis, not NAS, predicted disease-specific mortality in NAFLD
November 5, 2013
Meeting News Coverage

ED screening identifies previously undiagnosed patients with HCV
November 5, 2013
Meeting News Coverage

Medication trade-offs significantly associated with readmissions after liver transplant
November 5, 2013

Meeting News Coverage

No benefit from post-HPE corticosteroid therapy in infants with biliary atresia
November 4, 2013
Meeting News Coverage

Hepatotoxicity from herbal, dietary supplements rising
November 4, 2013
Meeting News CoverageVideo

3-D liver reproduction offers new planning, educational opportunities
November 4, 2013
Meeting News Coverage

Longer transplant waits for HCC patients may be beneficial
November 4, 2013
Meeting News CoverageVideo

Cell-based assay may predict liver transplant rejection in children
November 3, 2013
Meeting News Coverage

Accuracy, reproducibility of liver disease assessment poor in morbidly obese patients
November 3, 2013
Meeting News Coverage

Liver Meeting speaker: HCC exceptions contributing to MELD inflation, transplant inequity
November 3, 2013
Meeting News Coverage

Bleeding complications predict, but don’t cause poor outcomes in patients with acute liver failure
November 2, 2013
Meeting News Coverage

Fatty liver disease may overtake HCV as key cause of liver transplant, AASLD president says
November 2, 2013

AASLD-Promising New Era in Hepatitis C Treatment

Medscape Medical News > Conference News
 
Promising New Era in Hepatitis C Treatment
 
Miriam E. Tucker
November 11, 2013

WASHINGTON, DC — Hepatitis C treatment options on the horizon that hold promise for better viral clearance with less toxicity than current regimens enthused many hepatologists here at The Liver Meeting 2013.

"This is a very exciting time in liver diseases," Greg Fitz, MD, president of the American Association for the Study of Liver Diseases (AASLD), told reporters attending a news conference. "In the past 10 years, a revolution has taken place. Suddenly, it's realistic to think we can cure most patients with hepatitis C."

In October, a US Food and Drug Administration advisory committee voted unanimously to recommend approving the NS5B polymerase inhibitor sofosbuvir (Gilead) and the protease inhibitor simeprevir (Medivir and Janssen) for use in combination with pegylated interferon alfa and ribavirin in select patients infected with hepatitis C.

It is anticipated that both direct-acting antiviral agents will receive approval on December 8.
This is a very exciting time in liver diseases. 

New data were presented at the meeting for both direct-acting antivirals and for some investigational agents used in combination regimens for patients with genotypes 1 to 4 hepatitis C. Several trials suggest the potential for interferon- and ribavirin-free all-oral regimens for genotypes 2 and 3 hepatitis C, and there is a variety of new combinations for the hard-to-treat genotype 1.

To date, research has shown better sustained viral clearance rates for the new direct-acting antivirals than for current regimens containing interferon and ribavirin (80% vs 50%), and with greater tolerability.

"I think the move away from interferon and toward a high probability of success is remarkably encouraging for all of us," Dr. Fitz told reporters.

The new data "are giving us a peek at what the next incremental steps are likely to be, and those are coming soon," he told Medscape Medical News in an interview before the meeting.

Fast-Paced Change

At the news conference, Dr. Fitz reporters that the AASLD is collaborating with the Infectious Disease Society of America and will launch a Web site in January 2014 to keep clinicians who treat patients with hepatitis C apprised of the rapidly moving field.

Practice guidelines can "take 2 years to develop. In this field at this time, that's too long. If something happens, we want it out there in a couple weeks. It's not going to be guidelines, but it's intended to be current info you can trust," Dr. Fitz explained.

Some key industry-sponsored trials were presented in late-breaking oral abstract sessions or were highlighted by other speakers during state-of-the-art symposia.

An open-label phase 3 study conducted in Japan evaluated Bristol Myers-Squibb's all-oral interferon- and ribavirin-free triple combination of the investigational NS5A replication inhibitor daclatasvir, the NS3 protease inhibitor asunaprevir, and the non-nucleoside NS5B polymerase inhibitor BMS-791325.

The regimen was compared in 135 interferon-ineligible or -intolerant patients with genotype 1b hepatitis C and 87 nonresponders to interferon and ribavirin. Sustained viral response at 24 weeks was better in the ineligible or intolerant group than in the nonresponders (87.4% vs 80.5%). Serious adverse events occurred in 5.9% of patients, and 5.0% discontinued treatment because of adverse events — 90% of which were related to liver enzyme elevation. Bristol Myers-Squibb has filed for regulatory review of the triple therapy in Japan.

A 12-week phase 2b study evaluated the same triple combination in 166 treatment-naïve patients with genotype 1 hepatitis C. Sustained viral response at 12 weeks, considered to be a cure, was achieved in more than 90% of the 15 patients with genotype 1a or 1b and in the 151 with or without cirrhosis.

Studies Abound

In a phase 3 study of another all-oral regimen, sustained viral response at 12 weeks was achieved in 85% of 250 patients with genotype 3 hepatitis C who were treated with Gilead's combination of sofosbuvir plus ribavirin for 24 weeks. The majority of the patients had failed previous therapy.

A Gilead-sponsored 12-week open-label study evaluated the triple combination of sofosbuvir, interferon, and ribavirin. Of the 47 patients with genotype 2 or 3 hepatitis C who had previously failed treatment with interferon and ribavirin, 26 had cirrhosis. Sustained viral response at 12 weeks was achieved by 96% of those with genotype 2 and 83% of those with genotype 3 disease. Adverse events were consistent with the safety profile of interferon and ribavirin without sofosbuvir.
 
A 2-part open-label phase 2a study involved the interferon-free combination of sofosbuvir plus simeprevir with or without ribavirin in patients with genotype 1 hepatitis C. One study cohort consisted of 80 previous null responders to interferon and ribavirin who had a METAVIR score of F0 to F2; the second cohort consisted of 87 patients who were both treatment-naïve and previous null responders with more severe liver fibrosis (METAVIR score, F3 or F4). Sustained viral response at 12 weeks in the first cohort was 93% without ribavirin and 96% with it.
In the second cohort, rates were 100% for the treatment-naïve patients with or without ribavirin and for the nonresponders without ribavirin. For nonresponders who received ribavirin, the response was 93%.

This is high cost, high-gain therapy for those who respond. Patients can be cured.

A phase 3 study looked at the investigational combination of faldaprevir, interferon, and ribavirin (Boehringer Ingelheim). In 500 treatment-naïve patients with genotype 1 hepatitis C, sustained viral response at 12 weeks was 72% to 73%, depending on dosage. In treatment-experienced patients, response was 70% in the 99 who had relapsed on previous treatment and 58% in the 57 who had partially responded to previous treatment. Sustained viral response at 12 weeks was 33% in the 145 patients who had not responded at all to previous treatment.

An open-label phase 3 all-oral study of sofosbuvir plus ribavirin evaluated 68 treatment-naïve patients who were coinfected with HIV. Sustained viral response at 12 week rates was 88% for the 26 patients with genotype 2 hepatitis C and 67% for the 42 patients with genotype 3. Most were also on antiretroviral therapy.

In a phase 2 trial of 61 patients infected with hepatitis C who were awaiting liver transplantation, 37 had an undetectable viral load (<25 IU/mL) after 48 weeks of treatment with sofosbuvir and ribavirin. Of those, 62% had an undetectable viral load 12 weeks after transplantation. In a second phase 2 study of 35 patients with established recurrent hepatitis C infection after liver transplantation, 77% responded after 24 weeks of sofosbuvir and ribavirin.

"I think this field is going to have multiple agents and multiple combinations," Dr. Fitz said. "There's absolutely a requirement for an individual doctor and an individual patient to come together. If something fails, you might opt for off-label use, but that's not the same as knowing what works best. Doing the studies is going to be necessary for using these new tools wisely."

He noted that screening is merited to identify more patients and get them into treatment, even though the new treatments are likely to be expensive. "This is high cost, high-gain therapy for those who respond. Patients can be cured. That is a powerful positive that really demands treatment."

These studies are industry funded and many of the investigators have financial relationships with the companies. Dr. Fitz has disclosed no relevant financial relationships.
                   
The Liver Meeting 2013: American Association for the Study of Liver Diseases (AASLD). Presented November 3 and 4, 2013.

Simeprevir SVR in Treatment-Naïve and Treatment-Experienced Geno 1 Chronic Hepatitis C Patients

Simeprevir Administered Once Daily Demonstrates Sustained Virologic Response in Treatment-Naïve and Treatment-Experienced Genotype 1 Chronic Hepatitis C Patients

Beerse, Belgium (Nov. 11, 2013) Janssen R&D Ireland (Janssen) today announced the presentation of new data for the new generation protease inhibitor simeprevir (TMC435) in the treatment of genotype 1 chronic hepatitis C (HCV) in treatment-naïve and treatment-experienced adult patients with compensated liver disease. In analyses of the Phase 3 QUEST-1 and QUEST-2 studies in treatment-naïve patients and the Phase 3 PROMISE study in prior relapse patients, the efficacy of simeprevir was observed in HCV patients considered difficult to treat, including patients with the IL28B TT genotype and METAVIR scores of F4.

HCV is a major problem in the EMEA region, where an estimated 15 million people are living with the disease.1 Many patients living with chronic HCV are in need of treatment and the genotype of the virus often determines how efficacious treatment will be.2

"Patients with certain baseline characteristics can be more likely to fail or relapse after prior treatment," said Ira Jacobson, M.D., simeprevir clinical trial investigator, chief of the Division of Gastroenterology and Hepatology, Vincent Astor Distinguished Professor of Medicine, Weill Cornell Medical College, and attending physician, New York-Presbyterian Hospital/Weill Cornell Medical Center, United States. "The breadth of simeprevir data presented at The Annual Meeting of the American Association for the Study of Liver Diseases (AASLD) reinforce the potential of simeprevir as an effective treatment option in multiple patient populations, including patients who are considered difficult to treat, and will offer important guidance to physicians once simeprevir is approved."

On October 24, the U.S. Antiviral Drugs Advisory Committee of the FDA voted unanimously (19-0) to recommend simeprevir 150mg capsules administered once daily with pegylated interferon and ribavirin for the treatment of genotype 1 chronic HCV in adult patients with compensated liver disease. A Marketing Authorisation Application was submitted to the European Medicines Agency seeking approval of simeprevir for the treatment of genotype 1 or genotype 4 chronic HCV in April 2013. Simeprevir was approved in September 2013 in Japan, for the treatment of genotype 1 HCV. Simeprevir is also being studied in several interferon-free regimens using selected combinations of direct-acting antiviral agents with different mechanisms of action. UK/HCV/1113/0021

Pooled Analysis from QUEST-1 and QUEST-2 Confirms Clinical Benefit of Simeprevir in Sub-Populations of Patients (Abstract 1122)

In the Phase 3 QUEST-1 and QUEST-2 studies, 80% of treatment-naïve patients treated with simeprevir in combination with pegylated interferon and ribavirin achieved the primary endpoint of sustained virologic response 12 weeks after the end of treatment (SVR12) compared to 50% of patients treated with placebo plus pegylated interferon and ribavirin. The analysis, which included patients considered difficult to treat, found that 61% of patients with the IL28B TT genotype, 60% of patients with a METAVIR score of F4 and 75% of patients with genotype 1a HCV treated with simeprevir combined with pegylated interferon and ribavirin achieved SVR12 compared to 21%, 34% and 47% of patients taking placebo plus pegylated interferon and ribavirin, respectively. Among patients with the genotype 1a Q80K polymorphism at baseline, 58% of patients treated with simeprevir combined with pegylated interferon and ribavirin achieved SVR12 compared to 52% of patients treated with placebo in combination with pegylated interferon and ribavirin, but the difference was not statistically significant. 3% of patients treated with simeprevir discontinued treatment early due to an adverse event, compared to 2% of patients treated with placebo.

Analysis from PROMISE Reinforces Efficacy of Simeprevir in Sub-Populations of Patients (Abstract 1092)

In the pivotal Phase 3 PROMISE study, 79% of treatment-experienced HCV patients treated with simeprevir in combination with pegylated interferon and ribavirin who previously experienced a relapse after prior treatment with pegylated interferon-based therapy achieved the primary endpoint of SVR12 compared to 37% of patients treated with placebo plus pegylated interferon and ribavirin. In this sub-analysis, among patients considered difficult to treat, 65% of patients with the IL28B TT genotype, 74% of patients with a METAVIR score of F4 and 70% of patients with genotype 1a HCV treated with simeprevir combined with pegylated interferon and ribavirin achieved SVR12 compared to 19%, 26% and 28% of patients taking placebo plus pegylated interferon and ribavirin, respectively. Among patients with the genotype 1a Q80K polymorphism at baseline, 47% of patients treated with simeprevir combined with pegylated interferon and ribavirin achieved SVR12 compared to 30% of patients treated with placebo in combination with pegylated interferon and ribavirin. The most common adverse events in patients treated with simeprevir combined with pegylated interferon and ribavirin in the first 12 weeks were fatigue, headache and influenza-like illness.

"The data presented at AASLD offers further evidence of simeprevir’s efficacy in difficult to treat patient types," said Dr Maria Beumont, medical lead for simeprevir, Janssen. "Following the recent positive vote from the FDA’s Antiviral Drugs Advisory Committee to recommend approval of simeprevir, we look forward to making simeprevir available to patients living with chronic HCV in need of treatment in the near future, while we continue to evaluate the role of simeprevir as part of different HCV treatment combinations."

About Simeprevir

Simeprevir (TMC435) is a new generation NS3/4A protease inhibitor jointly developed by Janssen R&D Ireland and Medivir AB, currently in Phase III development. Simeprevir works by blocking the viral protease enzyme that enables HCV to replicate in host cells. To date, more than 3,700 patients have been treated with simeprevir in clinical trials. UK/HCV/1113/0021 Page 3

Janssen Therapeutics EMEA, a division of Janssen Pharmaceutica NV has the commercialisation rights of simeprevir in Europe, Middle East & Africa. Medivir AB will commercialise the product in the Nordic countries.

In October, Janssen Pharmaceuticals, Inc. acquired the investigational compound GSK2336805, an NS5a replication complex inhibitor in Phase 2 development for the treatment of chronic HCV, from an affiliate of GlaxoSmithKline plc. Since being acquired, the compound has been renamed JNJ-56914845. Janssen Pharmaceuticals plans to initiate Phase 2 studies to evaluate the use of JNJ-56914845 in interferon-free combinations with simeprevir and TMC647055, the company’s non-nucleoside polymerase inhibitor, for the treatment of chronic HCV in adult patients with compensated liver disease.

For additional information about simeprevir clinical studies, please visit: https://www.clinicaltrialsregister.eu or www.clinicaltrials.gov.

About Hepatitis C

Hepatitis C is a blood-borne infectious disease of the liver that affects approximately 150 million people worldwide, and causes 350,000 deaths annually.2 In the European region alone the incidence rate is 8.7 per 100,000 and leads to 86,000 deaths annually.1

When left untreated, hepatitis C can cause significant damage to the liver including cirrhosis. Additionally, hepatitis C may increase the risk of developing complications from cirrhosis, which may include liver failure. It is the leading cause of primary liver cancers in Europe.3

About Janssen R&D Ireland

At Janssen, we are dedicated to addressing and solving some of the most important unmet medical needs of our time in oncology, immunology, neuroscience, infectious diseases and vaccines, and cardiovascular and metabolic diseases. Driven by our commitment to patients, we develop innovative products, services and healthcare solutions to help people throughout the world.

Janssen R&D Ireland is part of the Janssen Pharmaceutical Companies of Johnson & Johnson. Please visit http://www.janssenrnd.com for more information.

Janssen Therapeutics EMEA is fully dedicated to HCV and simeprevir. Janssen-Cilag International NV is part of the Janssen Pharmaceutical Companies of Johnson & Johnson. Please visit www.janssen-emea.com and www.janssentherapeutics-emea.com for more information. UK/HCV/1113/0021 Page 4

References

1. World Health Organisation Regional Office for Europe. Hepatitis data and statistics. http://www.euro.who.int/en/health-topics/communicable-diseases/hepatitis/data-and-statistics . Last accessed October 2013.

2. World Health Organisation Media Centre: Hepatitis C Fact Sheet No. 164; July 2013.

http://www.who.int/mediacentre/factsheets/fs164/en/ . Last accessed October 2013.

3. European Association for the Study of the Liver. EASL Clinical Practice Guidelines: Management of hepatitis C virus infection. Journal of Hepatology 2011;55:245–264.