2 New Easy C Treatment Fact Sheets

Be sure to check out these 2 new Easy C Facts fact sheets on treatment for Genotype 3 and Genotype 4

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Bristol-Myers wins approval for 1st hepatitis C type 3 drug

TRENTON, N.J. (AP) - An experimental drug for one of the hardest-to-treat types of hepatitis C has been approved by the Food and Drug Administration, adding to the surge of new options - all much more effective but extremely costly - for patients with the liver-destroying virus.

Daklinza, developed by New York-based Bristol-Myers Squibb Co., is the first drug approved to treat genotype 3, the second-most-common form. About 10 percent of Americans with hepatitis C have genotype 3.

Because genotype 3 is so hard to cure and damages the liver more quickly than other types, Daklinza is to be taken with Sovaldi, one of two blockbuster hepatitis C drugs sold by market leader Gilead Sciences Inc., along with Harvoni.

Meanwhile, the FDA on Friday also approved Technivie, a combination drug made by AbbVie Inc. for one of the least common forms of hepatitis C, genotype 4. Technivie also must be taken with a second drug, a much-older, generic pill called ribavirin.

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FDA approves new treatment for chronic hepatitis C genotype 3 infections

The Food and Drug Administration today approved Daklinza (daclatasvir) for use with sofosbuvir to treat hepatitis C virus (HCV) genotype 3 infections. Daklinza is the first drug that has demonstrated safety and efficacy to treat genotype 3 HCV infections without the need for co-administration of interferon or ribavirin, two FDA-approved drugs also used to treat HCV infection.

Hepatitis C is a viral disease that causes inflammation of the liver that can lead to diminished liver function or liver failure. Most people infected with HCV have no symptoms of the disease until liver damage becomes apparent, which may take several years. Some people with chronic HCV infection develop scarring and poor liver function (cirrhosis) over many years, which can lead to complications such as bleeding, jaundice (yellowish eyes or skin), fluid accumulation in the abdomen, infections or liver cancer. According to the Centers for Disease Control and Prevention, approximately 2.7 million Americans are infected with HCV of which, approximately 10 percent are genotype 3.

“Today’s approval provides a new option for patients with genotype 3 HCV, including those patients who cannot tolerate ribavirin,” said Edward Cox, M.D., director of the Office of Antimicrobial Products in the FDA’s Center for Drug Evaluation and Research.

The safety and efficacy of Daklinza in combination with sofosbuvir were evaluated in a clinical trial of 152 treatment-naive and treatment-experienced participants with chronic HCV genotype 3 infection. Participants received Daklinza 60 mg plus sofosbuvir 400 mg once daily for 12 weeks and were monitored for 24 weeks post treatment. The studies were designed to measure whether a participant’s hepatitis C virus was no longer detected in the blood 12 weeks after finishing treatment (sustained virologic response), suggesting a participant’s infection had been cured.

Results showed that 98 percent of the treatment-naive participants with no cirrhosis of the liver and 58 percent of the treatment-naive participants with cirrhosis achieved sustained virologic response. Of the participants who were treatment-experienced, 92 percent with no cirrhosis of the liver and 69 percent with cirrhosis achieved sustained virologic response. Daklinza labeling carries a Limitations of Use statement to inform prescribers that sustained virologic response rates are reduced in HCV genotype 3 infected patients with cirrhosis.

Safety information was available for approximately 1,900 patients with HCV treated with the recommended dose of Daklinza in combination with other anti-HCV drugs in clinical trials. The most common side effects of Daklinza with sofosbuvir were fatigue and headache.

Daklinza carries a warning for patients and health care providers that serious slowing of the heart rate (symptomatic bradycardia) and cases requiring pacemaker intervention have been reported when amiodarone is co-administered with sofosbuvir in combination with another HCV direct-acting antiviral, including Daklinza. Co-administration of amiodarone with Daklinza in combination with sofosbuvir is not recommended.

Daklinza was reviewed under the FDA’s priority review program, which provides for an expedited review of drugs that treat serious conditions and, if approved, would provide significant improvement in safety or effectiveness.

Daklinza is marketed by Bristol-Myers Squibb, based in Princeton, New Jersey.

The FDA, an agency within the U.S. Department of Health and Human Services, protects the public health by assuring the safety, effectiveness, and security of human and veterinary drugs, vaccines and other biological products for human use, and medical devices. The agency also is responsible for the safety and security of our nation’s food supply, cosmetics, dietary supplements, products that give off electronic radiation, and for regulating tobacco products.

Press Release Source:  http://www.fda.gov/NewsEvents/Newsroom/PressAnnouncements/ucm455888.htm

Genotype 3: An Unmet Treatment Need for Some, by Alan Franciscus, Editor-in-Chief

 Originally Published June 15, 2015

 

While conducting a workshop in New England, I was asked a question about genotype 3 treatment for people who are treatment experienced and had cirrhosis—a question I am frequently asked.  At this time, we do not have an interferon-free treatment with high cure rates for this particular group of people with hepatitis C.  This is an unmet medical need for a large group of people in the United States and Worldwide.  I am asked this question at almost every workshop, which surprises me. 

There are many drugs in development that hold the promise to solve this problem.  In the meantime, there is a solution—the combination of Sovaldi, pegylated interferon and ribavirin.   When I bring up interferon, I get the cringe reaction.  It is a very understandable reaction. However, there are a couple of serious points to consider:

• Cirrhosis can be a life-threatening event.  You do not want to wait—If you have genotype 3 and cirrhosis you should consider taking action now
• Genotype 3 leads to the formation of steatosis (fatty liver)—successful treatment reduces or eliminates steatosis
• Steatosis can accelerate HCV disease progression—by itself steatosis can lead to cirrhosis
• People with genotype 3 are at increased the risk for liver disease progression and liver cancer
• Pegylated interferon and ribavirin can be difficult to tolerate, but the majority of side effects occur after 12 weeks
• The side effects of pegylated interferon and ribavirin can be managed successfully especially if the medical provider and patient are proactive

Interferon-Free Therapy
The current standard of care for genotype 3 is the combination of Sovaldi (sofosbuvir) plus ribavirin for 24 weeks.  The cure rates for treatment experienced patients without cirrhosis are 85%, but for treatment experienced patients with cirrhosis the cure rates are 60%.  Clearly, genotype 3 patients who are treatment experienced with cirrhosis are in need of better treatment options.  I have listed below two studies that include treatment of Sovaldi, pegylated interferon plus ribavirin.  Note:  I only included the information about the cure rates of the genotype 3 treatment experience patients with cirrhosis treated for 12 weeks.

Sovaldi/Peg/RBV
A recently published study in Hepatology “Sofosbuvir with Peginterferon-Ribavirin for 12 Weeks in Previously Treated Patients with Hepatitis C Genotype 2 or 3 and Cirrhosis,” –E Lawitz et al. showed very high cure rates. 

Note:  There were 47 genotype 2 and 3 patients included in the study.  Only genotype 3 results are listed below. 

There were a total of 24 genotype 3 patients with and without cirrhosis.  All were treated for 12 weeks with Sovaldi (sofosbuvir), pegylated interferon plus ribavirin. 

The cure rates were the same for those with cirrhosis 83% (10 of 12 pts) and without 83% (10 of 12 pts) in the genotype 3 patients. 

The second study was presented at EASL 2015 “Sofosbuvir Plus Peg-IFN/RBV for 12 Weeks vs Sofosbuvir/RBV for 16 or 24 Week in Genotype 3 HCV Infected Patients and Treatment-Experienced Cirrhotic Patients with Genotype 2 HCV:  The BOSON Study,” –R Graham et al. 

Note:  This study was a large study of 592 genotype 3 treatment naïve/experienced patients without and without cirrhosis.  I will only list the treatment experienced patients with cirrhosis who were treated for 12 weeks with Sovaldi (sofosbuvir), pegylated interferon plus ribavirin and the comparator arm of the treatment experienced patients with cirrhosis who received Sovaldi plus ribavirin without pegylated interferon. 

After 12 weeks of treatment the group of patients who were treated with Sovaldi, pegylated interferon plus ribavirin achieved a cure rate of 86% (30 of 35 pts) compared to a cure rate of 47% (17 of 36 pts) for those who received Sovaldi plus ribavirin but without pegylated interferon. 

The most common side effects were flu-like symptoms, fatigue, and anemia. 

 
Comments: The addition of pegylated interferon to Sovaldi and ribavirin almost doubled the cure rates for people with genotype 3 in both studies who had cirrhosis and who were treatment experience.  The best strategy is to talk with your medical provider and come up with a plan to get treated as soon as possible, seek a possible cure and stop hepatitis C in its tracks.

http://hcvadvocate.org/news/newsLetter/2015/advocate0615_mid.html#2

EASL 2015: ALLY-1 Trial Results Show Investigational Daclatasvir-Based Regimen Cures 94% of Post-Liver Transplant Patients with Hepatitis C and Up to 94% of Hepatitis C Patients with Cirrhosis (Child-Pugh Class A or B)

• 97% of post-transplant patients with HCV genotype 1a achieved cure
• 91% of post-transplant patients with HCV genotype 3 achieved cure  
• No need seen to alter existing transplantation medication regimens

Saturday, April 25, 2015 10:00 am EDT

(PRINCETON, N.J., APRIL 25, 2015) – Bristol-Myers Squibb Company (NYSE:BMY) today announced that primary endpoints were successfully met in ALLY-1, a Phase III clinical trial evaluating a 12-week regimen of daclatasvir and sofosbuvir once-daily with ribavirin for the treatment of patients with chronic hepatitis C virus (HCV) with either advanced cirrhosis or post-liver transplant recurrence of HCV. The data was presented as a late-breaker at The International Liver Congress™ 2015, the 50^th annual meeting of the European Association for the Study of the Liver (EASL) in Vienna, Austria from April 22-26.

“The results of the ALLY-1 trial point to the potential of this investigational daclatasvir-based regimen in a patient population with high unmet needs despite recent advances in hepatitis C treatment,” said Fred Poordad, M.D., ALLY-1 Lead Investigator and Clinical Professor of Medicine, Chief, Hepatology, University of Texas Health Science Center and VP, Academic and Clinical Affairs Texas Liver Institute. “Transplant patients take a variety of immunosuppressive medications to prevent organ rejection; that complicates the treatment of hepatitis C. In ALLY-1, we saw no drug-drug interactions between transplant and hepatitis C therapies and no need to make dose adjustments to patients’ transplant-related drugs while they received the daclatasvir-based regimen that resulted in high SVR12 rates.”

The study’s primary endpoints were reached, with 95% of post-transplant genotype 1 patients and 82% of genotype 1 patients with advanced cirrhosis achieving SVR12. Among all ALLY-1 patients, 94% of those with post-transplant HCV recurrence and 83% of all participants with advanced cirrhosis achieved cure (sustained virologic response 12 weeks after treatment; SVR12).

The Child-Pugh scoring system is commonly used to assess the severity and prognosis of chronic liver disease and cirrhosis, and uses an A through C classification (C being the most advanced) to categorize disease progression. Patients with class C cirrhosis are decompensated, often with later-stage conditions such as ascites (the build-up of fluid in the abdomen), hepatic encephalopathy (confusion or altered level of consciousness due to the liver’s inability to remove toxins from the blood), and abnormal liver function, which can complicate treatment. The ALLY-1 trial included 16 patients with decompensated cirrhosis Child-Pugh class C; nine (56%) achieved SVR12.

Over the course of the study, four advanced cirrhotic patients received a liver transplant during treatment; 3 of 4 extended treatment post-transplant (see study design below), and all 4 achieved SVR12.

In the study, there were no serious adverse events related to study medications throughout the treatment phase. The most common adverse events (≥10%) were headache (15%, 36%), fatigue (18%, 28%), anemia (20%, 19%), diarrhea (8%, 19%), nausea (17%, 6%), and arthralgia (2%, 13%) in the advanced cirrhotic and post-transplant cohorts, respectively. One patient discontinued therapy after 31 days due to headache, but still achieved SVR12. Nine patients in the cirrhosis cohort relapsed post-treatment, and one had detectable HCV RNA at the end of treatment; there were no on-treatment virologic breakthroughs. Three patients (genotypes 1a, 1b, 3) in the post-transplantation cohort relapsed. All 12 patients with relapse are being retreated with daclatasvir and sofosbuvir with ribavirin for 24 weeks.

 HCV is the leading indication for liver transplantation worldwide. Without treatment, HCV infection of the new liver after transplant is inevitable, and is associated with rapid progression to cirrhosis and death in up to 30% of patients within 5 years. The ALLY-1 study is the third study to report out of the Phase III ALLY program, which evaluates daclatasvir in combination with sofosbuvir in multiple high-unmet need patient populations and is at the center of Bristol-Myers Squibb’s HCV research focus. The ALLY-2 and ALLY-3 studies have previously been presented at the 2015 Conference for Retroviral and Opportunistic Infections and the 2014 American Association for the Study of the Liver’s The Liver Meeting, respectively, and subanalyses from each study with the ribavirin-free regimen of daclatasvir and sofosbuvir were presented as posters during EASL 2015.

Additionally, EASL issued 2015 Hepatitis C treatment guidelines that include a regimen of daclatasvir+sofosbuvir as the first 12-week treatment for patients with genotype-3 virus. The EASL guidelines now list daclatasvir+sofosbuvir regimens as options for treating all HCV genotypes and for use with patients coinfected with HCV/HIV. (Guidelines available here.)

Other Bristol-Myers Squibb presentations at The International Liver Congress included data from compassionate use programs in the EU that add to the real-world clinical evidence informing the use of daclatasvir-based regimens to treat patients with HCV conditions posing high unmet medical needs.

“The ALLY-1 trial results build off the ALLY-2 and ALLY-3 studies by demonstrating the versatility of the daclatasvir-based regimen to provide HCV cure in multiple patient populations that have been historically hard to manage, such as HCV genotype 3 patients, HIV/HCV coinfected patients, and patients with decompensated cirrhosis,” said Douglas Manion, M.D., Head of Specialty Development, Bristol-Myers Squibb. “Post-liver transplant and cirrhotic patients represent a still-unmet need and continue to present challenges to currently available regimens.”

About ALLY-1: Study Design
This Phase III open-label clinical trial enrolled treatment-naïve and treatment-experienced patients with HCV infection of any genotype in 2 cohorts: advanced cirrhosis (n=60) and post-liver transplant with HCV recurrence (n=53). All patients received daclatasvir 60 mg plus sofosbuvir 400 mg once-daily with ribavirin initially dosed at 600 mg/d (with potential for adjustment based on hemoglobin levels and creatinine clearance) for 12 weeks. Patients receiving a variety of immunosuppressive agents were permitted. In the cirrhosis cohort, patients transplanted during treatment could receive 12 weeks of extended treatment immediately post-transplant, regardless of treatment duration before transplant. The primary endpoint was the SVR12 rate (defined as HCV RNA <LLOQ (25 IU/mL) at post-treatment week 12) among genotype 1 patients in each cohort.

Read complete press release here....