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Tag Archives: entecavir

Nargis Speaks about Living with Hepatitis Delta

The hepatitis delta virus is a sub-virus of hepatitis B that depends on the hepatitis B virus to survive and reproduce. Hepatitis delta affects between 5% and 10% of people living with hepatitis B, and can quickly progress to a more serious and advanced liver disease than HBV alone. Since 2016, the Hepatitis B Foundation has coordinated a program called Hepatitis Delta Connect, which works to raise awareness of hepatitis delta; promote screening, research, and management of the virus; and provide support to individuals living with and affected by the disease. This includes capturing the lived experiences of hep D. This month, Ariana, an intern at the Hepatitis B Foundation, interviewed Nargis, a resident of New York, who is living with hep B and hep D, about her experiences of the viruses, from diagnosis to management. We thank Nargis for sharing her story!

Ariana: Thank you very much for joining today! When were you initially diagnosed with hepatitis delta?

Nargis: I was diagnosed in 2005. I did my blood work at the end of 2005 and got my result at the beginning of 2006. The reason why I went to do the blood work is because I had very severe flu-like symptoms.

Ariana: How did you find out you were living with hepatitis delta?

Nargis: I was out of the city for a trip, and felt sick after, so I immediately returned to the city and did blood work and found that it’s hepatitis D. I was surprised because I know if you don’t have hepatitis B, hepatitis D would never exist in your body. 

Ariana: How did you initially feel about it?  

Nargis: To be honest, I was depressed. It happened during the best time of my life when my career was at a high point, and I’m feeling like I’m enjoying life and everything is fine. All the difficulties in my life were gone. During that time, I was at the top of the level of my career and I could do something for myself and for my family. And I had big plans, and when I was diagnosed with hepatitis B, all my plans just collapsed. My doctor just straight up told me that I’m lucky to have Hepatitis B and D, not C. They did not give me any kind of psychological support, and I was extremely depressed. Thank God for my family and my husband for being there to support me always.

I’m originally from Dushanbe, Tajikistan. It’s a small country in central Asia. Unfortunately we don’t have enough good medicine to help with this kind of thing, as the government is not supporting nor providing any kind of medication. The medication I needed had to be ordered from Russia to bring here, and was very expensive. The prices go up and down. And, this one is also not guaranteed to work. I got interferon, but it didn’t work for me. After one month of injections, I got very, very sick. And the doctor decided to stop it. 

Ariana: How do you think this disease has impacted your physical state?  

Nargis: Mostly it’s the mental changes when you are becoming depressed, but when you’re starting the treatment, you feel so weak. I had severe weakness, fatigue. I also had GI (gastrointestinal) problems as well.

You get kind of the nausea, no vomiting, just the nauseous feeling. But in the morning, you are feeling fatigued. You are always the one to sleep and have joint pain. Now I’m just feeling kind of the joint pain, but when I’m starting to work or do some activity, I get tired. I always feel the fatigue, you know, or the fatigue sometimes is so much, I don’t want to even do anything, but I always push to do things I should do. I often get bad pain.

But I’m always appreciative, you know, as I am still alive, and I have to thank my family for that.

Thank God. My third daughter was checked for hepatitis B and D too. Thank God, she got her vaccination, which is making us happy. Now I have four kids, and I’m calling my fourth child my miracle child, she gives me so much happiness. 

And all of them, all my kids are free from hepatitis B. They got all the vaccinations, my husband as well. And routine family life and my job are like keeping me in the life, making me happy, and I’m not thinking so much about my hepatitis. Thank God, I have my arms, my legs and I can eat, I can walk, I can see. This is more than enough to keep me happy.  

Ariana: Why is raising awareness of hepatitis delta important? 

Nargis: It’s important for people to know about it and I’m talking about my experience. I didn’t catch it from receiving medical care in my country, but a lot of people don’t know about this one and, if you don’t know, you don’t pay attention. We must be careful with  needles [which can possibly transmit hepatitis delta].

It is important to make information booklets, allowing patients to talk about their experiences, finding people similar to us, and we are people, we still have this disease, but we are very active, we can work, we can sing, do something good. 

It is better if you support each other as well, every person is important in this life, every person can be very important for somebody else.

People must know. If you’re somebody who doesn’t have education, maybe there’s some pictures with a simple explanation to tell them. It really works because, when HIV and AIDS existed in this world last century, the people didn’t know so much about it. And when the other foundations and the people and mass media started to get to work and explain, and gave out the information booklet, people are starting to pay attention now. And I’m thinking this can work for hepatitis as well.  

Ariana: What do you wish more people knew about this disease? 

Nargis: It’s hard to always be healthy. I wish for everybody to be healthy, but it’s now hard to be healthy, because you never know where you can catch hepatitis…And just so I can wish for people to keep their eyes open and not be afraid.

Keep your eyes open. Where are you going? What are you eating? Which kind of medical offices are you going to? If you have the blood transfusion, using the needles or something, or some kind of tools used for dental procedures, just to make sure all of them, they’re sterilized and clean. 

Be open mentally and healthy. It will help you in this kind of situation as well. You know, talk with somebody if you can talk with some of your family members or with people from outside. I’m an open person, and for me, it’s very, very helpful.

Also, Dr. Kushner invites me to Zoom classes where I hear about the Hepatitis B Foundation, the kind of research you have, what the people around the world are trying to do and how to help patients. It’s given me support. It’s given me kind of the hope that not everything is lost and I believe that some medication will be invented soon in the world to help the millions of people with hepatitis B and D. 

Ariana: What resources do you think you would have wanted initially when you got diagnosed with hepatitis delta?  

Nargis: Getting the right medication for people is very important. Insurance companies should help the patient to get the right medication. And also, I’ve been in a research study and the first research study I got is a medication for hepatitis B and D. The doctor teams are working specifically with this kind of patient when the patient goes to the hospital and does the blood work to see the level of the hepatitis B and D and also the liver enzymes. 

Also patients are depressed and always need some support group, maybe some social workers can closely work with people who have hepatitis B and D.

Ariana: Do you think there’s anything else you would like to share about your experience? 

Nargis: I would like to tell the people who have hepatitis B and D, do not be afraid. The doctors are working, and the research team is working hard. We’re not alone in this world. The Hepatitis B Foundation and many others are working on this problem. Do not lose hope. Be powerful, be happy, thank God we are alive, and support each other.

Ariana: Awesome. Thank you so much for sharing your insight and experiences with us today!

Fighting For Fair Treatment Access: Improved Medication Access In The U.S.

Ensuring that people with hepatitis B have access to affordable medications is one of our top priorities. If you or someone you know is currently prescribed Vemlidy (tenofovir alafenamide), entecavir, or tenofovir, we have important news that could help make your medications more affordable.

Vemlidy will once again be covered under CVS Caremark

The Hepatitis B Foundation, along with our network of patients, providers and partners, has successfully advocated for improved access to the hepatitis B medication Vemlidy in the US! In July 2019 CVS Caremark – one of the nation’s leading pharmacy benefit managers – stopped providing coverage for Vemlidy. This decision impacted thousands of Americans who rely on this life-saving drug to manage their hepatitis B.
Thanks in part to our advocacy, the company announced last week that they will resume coverage of Vemlidy for their plan members as early as October 2019! In addition, Gilead Sciences, the manufacturer of Vemlidy, is offering increased patient assistance for patients until the coverage takes effect.
What’s next: If you or a loved one are taking Vemlidy and have a CVS Caremark prescription plan, the date that coverage will resume depends on your plan type. On October 1, 2019, Vemlidy will be processed for those under the Advanced Control Specialty Formulary. For those with a Value Formulary, Vemlidy will be covered beginning on January 1, 2020.
To offset the costs, until January 1, 2020, Gilead Sciences will provide $1,000 a month (for up to $5,000) to offset the costs of treatment. Those interested can go to Gilead’s website and apply for a co-pay card ; insurance is not needed.
Low-cost options for patients on entecavir and tenofovir
n June 2019, the Hepatitis B Foundation partnered with Rx Outreach , a nonprofit mail order pharmacy, to offer two of the most common hepatitis B medications at low cost to eligible patients.
Eligible individuals can get a 30-day supply of tenofovir for $25 or a entecavir for $45. Eligibility is based upon household income, not on insurance status or prescription drug coverage. Our partnership with Rx Outreach will help to fill a gap in access to affordable medication and help to lessen the burden of one of the many forms of discrimination that those living with hepatitis B must face.
Visit the Rx Outreach website to learn more: https://rxoutreach.org/hepb/

We’re Here to Help: New Resource to Improve Medication Access in the U.S.

Are you a hepatitis B patient living in the United States? Are you taking entecavir or tenofovir disoproxil fumarate (TDF) to help manage your hepatitis B infection? Thanks to the Hepatitis B Foundation’s new strategic partnership with Rx Outreach – America’s largest fully licensed, non-profit, mail order pharmacy and Patient Assistance Program – you may be able to receive your medication for less than 5% of the average retail price!

Each year, we answer thousands of national and international phone calls, emails, and social media messages from people who have been impacted by hepatitis B. Over the past year, we have seen a significant increase in calls regarding access to medication. The majority of those calls have been from people living in the United States. The ability to access medications is more than just having them available at a local pharmacy – it is about the price as well.

In the United States, life-saving generic treatments can cost more than $830 a month on average. As treatments are typically taken for several years after a person begins, paying such high monthly out-of-pocket costs simply isn’t an option for most people. That’s why we partnered with Rx Outreach to increase patient accessibility to life-saving hepatitis B medications.

We believe that affordable treatments should be low-cost and widely available to everyone who needs them. Hepatitis B antiviral treatments need to be taken daily in order to be effective, and a lack of affordable options force some individuals who are living with chronic hepatitis B to avoid diagnosis and treatment, to stop taking medication or to only take it sporadically, which increases their risk of developing cirrhosis or liver cancer. Our new partnership can help eliminate the need for such potentially harmful actions by providing the same medication at a much lower cost than retail pharmacies, pharmaceutical companies, and insurance plans can offer.

Rx Outreach provides a 30-day supply of entecavir and TDF – two of the most effective, common, and preferred treatments – through the mail. Interested individuals can enroll in the program with 3 simple steps. If you need to transfer your prescription from another pharmacy, you can do that too!

Eligibility Requirements:

Eligibility is based upon household income, not on insurance status or prescription drug coverage. To be eligible for Rx Outreach’s pricing, please review the chart below or you can check your eligibility here. If it appears that you do not qualify but you believe that you should, you can also call Rx Outreach and a representative will assist you.

Our partnership with Rx Outreach will help to fill a gap in access to affordable medication and help to lessen the burden of one of the many forms of discrimination that those living with hepatitis B must face. It offers more than 1,000 medication strengths at affordable prices. Since 2010, Rx Outreach has saved people in need more than $662 million on their prescription medication.

When Can Hepatitis B Patients Stop Taking Antivirals? Experts Finally Have Some Answers

Image courtesy of foto76 at FreeDigitalPhotos.net
Image courtesy of foto76 at FreeDigitalPhotos.net

By Christine Kukka

With the help of antivirals, many patients today have undetectable viral load (HBV DNA), a relatively healthy liver and cleared the hepatitis B “e” antigen (HBeAg). So when can they consider stopping their daily entecavir or tenofovir pill?

For years, experts have admitted the endgame of antiviral treatment has been “ill-defined.” While antivirals reduce viral load and the risk of liver damage, they rarely cure people. Recently, after years of observing patients and with the help of better diagnostic tools, experts are getting better at identifying when might be safe to stop.

Historically, in addition to reducing viral load to undetectable levels, the goals of antiviral treatment were:

  • Triggering HBeAg seroconversion: About 21 percent of HBeAg-positive patients with liver damage treated with either tenofovir or entecavir for 12 months are able to lose the hepatitis B “e” antigen (HBeAg) and develop the “e” antibody (HBeAb). This HBeAg “seroconversion” indicates the immune system is fighting the infection and slowing viral replication.
  • And reducing liver damage and even clearing the hepatitis B surface antigen (HBsAg): About 1-3 percent of patients treated with antivirals lose HBsAg after years of treatment. This is called a “functional cure.” Unfortunately, if you have HBeAg-negative hepatitis B, only 1-2 percent of you will lose HBsAg after five to eight years of antiviral treatment.*

If you are among the lucky few who achieve HBeAg seroconversion or clear HBsAg, when is it safe to stop your daily antiviral? Here are the newest guidelines detailing when it may be safe to stop from the 2017 European Association for the Study of the Liver (EASL).

Image courtesy of Taoty at FreeDigitalPhotos.net
Image courtesy of Taoty at FreeDigitalPhotos.net

When is it safe to stop antivirals after you’ve achieved HBeAg seroconversion? Stop too early, and HBeAg can reappear. EASL recommend non-cirrhotic patients who experience HBeAg seroconversion and continue to have undetectable HBV DNA for 12 months longer can stop antivirals, as long as there is frequent monitoring after.

When is it safe to stop if you have HBeAg-negative hepatitis B and have undetectable viral load after years of antiviral treatment? EASL guidelines say non-cirrhotic, HBeAg-negative patients who have had at least three years of antiviral treatment, undetectable viral load and no signs of liver damage can stop treatment, as long as there is frequent follow-up monitoring.

When is it safe to stop antivirals if you’ve lost HBsAg? EASL recommends stopping antivirals after losing HBsAg, even if a patient does not develop the hepatitis B surface antibody (HBsAb). Recently, experts have decided that patients who lose HBsAg may be “functionally” cured, even if no surface antibodies appear.

Researchers also have a new way to determine if it’s safe for patients who had HBeAg seroconversion to stop antivirals – by measuring their HBsAg levels. The lower your HBsAg levels, the more likely you are to maintain HBeAg seroconversion after you stop antivirals.

For example, patients may be HBeAg-negative and have no signs of liver damage, but if their HBsAg levels remain high, these patients remain at risk of reactivation and should continue antiviral treatment. (Read more about HBsAg quantification testing here.)

These antiviral “stopping rules” are still in development and are still frustratingly vague for many patients, but slowly researchers are developing tools and compiling more research in order to develop better guidelines when it’s safe to stop the daily antiviral treatment plan.

 *The statistics and recommendations cited are found at EASL2017 Clinical Practice Guidelines.

Do You Forget Your Daily Hepatitis B Antiviral? Why We “Forget” Our Meds, and How to Improve Compliance

Image courtesy of foto76 at FreeDigitalPhotos.net
Image courtesy of foto76 at FreeDigitalPhotos.net

By Christine Kukka

Your daily antiviral pill can save your life when you have liver damage from chronic hepatitis B. Entecavir or tenofovir (Viread) quickly reduce the amount of virus in your liver and the damage it causes.

All you have to do is take it. Every day. But 20 to 30 percent of prescriptions are never filled, and about 50 to 70 percent of us don’t take our medications as prescribed. When we stop taking our daily antiviral, hepatitis B can reactivate and threaten our health.

In one study, researchers provided 100 hepatitis B patients with an entecavir pill dispenser that monitored whether or not they took their daily pill over a 16-week period. They found about 70 percent of patients took their antiviral pill as prescribed more than 80 percent of the time — which means these patients were “medication compliant.”

Those who missed taking their antivirals more than 20 percent of the time–and were “noncompliant”–tended to be younger and had indifferent attitudes about whether or not the antiviral was really needed or would work.

Image courtesy of Carlos Porto at FreeDigitalPhotos.net
Image courtesy of Carlos Porto at FreeDigitalPhotos.net

According to experts, whether we are “medication compliant” or not depends on how much trust we have in our doctors. If we like our healthcare provider and feel comfortable asking questions, we’re much more likely to take our medication on time. And, if our friends and family support and encourage us, we’re even more inclined to take our medication as prescribed.

“The trust I have in my doctor is a big factor,” said a member of the Hepatitis B Support List. “It is important to find a doctor who understands hepatitis B and is willing to work with me in terms of explaining what the options are and what the best approach is in managing my condition.”

“I know antivirals won’t cure me,” another email list member wrote, “but I’m committed to staying healthy and productive as long as God permits.” Continue reading "Do You Forget Your Daily Hepatitis B Antiviral? Why We “Forget” Our Meds, and How to Improve Compliance"

Taking Antivirals Long-Term for Hepatitis B? Should You Worry About Bone Loss?

Image courtesy of Sira Anamwong at FreeDigitalPhotos.net.
Image courtesy of Sira Anamwong at FreeDigitalPhotos.net.

By Christine Kukka

To prevent liver damage and cirrhosis and reduce the risk of liver cancer–especially in older patients who’ve had hepatitis B for decades–doctors often prescribe long-term antiviral treatment. But some antivirals cause minor bone loss, which poses a problem for older patients with osteoporosis.

According to experts, the risk of bone loss from long-term antiviral treatment is low, and in fact some antivirals do not cause any bone loss at all. But if you are starting antivirals at an older age, or if you have been on antivirals long-term, experts recommend you monitor your potassium and vitamin D levels and regularly test for bone loss in the hip area so you know if you are experiencing bone loss and need a calcium or vitamin D supplement. Continue reading "Taking Antivirals Long-Term for Hepatitis B? Should You Worry About Bone Loss?"

Can People with HBeAg-Negative Hepatitis B Ever Stop Taking Antivirals?

Image courtesy of rakratchada torsap, at FreeDigitalPhotos.net.
Image courtesy of rakratchada torsap, at FreeDigitalPhotos.net.

Medical guidelines suggest that individuals with HBeAg-negative hepatitis B with signs of liver damage face an “indefinite” or even lifetime commitment to taking daily antiviral pills.

In this week’s blog, we explore when—if ever—individuals with hard-to-treat HBeAg-negative hepatitis B can ever stop taking antivirals.

First of all, what is HBeAg-negative hepatitis B? Many people infected with hepatitis B at birth and who remain infected into their 40s, 50s or 60s, develop HBeAg-negative hepatitis B. Researchers believe that over time the virus mutates to evade the immune system. Though individuals may have lost the hepatitis B “e” antigen (HBeAg) and developed the “e” antibody, this mutated virus develops the ability to keep replicating despite the loss of HBeAg. And this mutated virus is capable of putting people at higher risk of liver damage.

Generally, doctors recommend treatment to HBeAg-negative patients when their viral load exceeds 2,000 IU/ML and their ALT liver enzyme levels, which rise when liver cells are damaged, are even moderately elevated. (Normal ALT levels are less than 30 for men and 19 for women.)

The most common antiviral treatments are either entecavir (Baraclude) or tenofovir (Viread). These two are considered the most powerful at quickly reducing viral load (HBV DNA) and have a very low risk of causing drug resistance, which is critical considering the long-term treatment required by HBeAg-negative patients.

But can individuals with HBeAg-negative hepatitis B ever stop treatment? Antivirals are expensive, without insurance tenofovir costs about $1,000 a month and generic entecavir costs about $407 in the U.S. Additionally, long-term antiviral treatment can cause bone loss.

Late last year, hepatitis B experts with the American Association for the Study of Liver Disease (AASLD) tackled this question and reviewed recent studies that followed HBeAg-negative hepatitis B patients who stopped antivirals. They found that even when these patients enjoyed two years of undetectable viral load and normal ALT levels during treatment, when they stopped only half of them were able to maintain a low viral low (below 2,000 IU/mL) and normal ALT levels.

The risk of dangerous “flares” after stopping treatment, “requires careful weighing of potential for harm and benefit,” the experts wrote. This is important because many HBeAg-negative patients are older and more vulnerable to liver damage and cancer.

In their new recommendations, AASLD experts make clear their findings are “conditional” and the quality of evidence found in the studies they reviewed is “low.” However, this is what they tentatively recommend:

  • Stopping treatment, “may be considered in persons who have (lost) the hepatitis B surface antigen (HBsAg). However, there is currently insufficient evidence to definitively guide treatment decisions for such persons.”
  • And, anyone who stops antiviral therapy should be monitored every three months for at least one year to see if their viral load rebounds or if they have signs of liver damage, including ALT flares.

Given the knowledge-gap about the long-term health consequences of HBeAg-negative hepatitis B, more research with longer durations of monitoring are needed, experts recommended. “Alternative treatment strategies for patients on long-term antiviral therapy, such as adding or switching to (pegylated interferon), warrant further study,” they concluded.

 

I’ve Lost the Hepatitis B “e” Antigen (HBeAg), So When Can I Stop Treatment?

Image courtesy of Naypong at FreeDigitalPhotos.net
Image courtesy of Naypong at FreeDigitalPhotos.net

Eighteen years ago, doctors started treating hepatitis B patients with antivirals and today liver specialists have a wealth of knowledge about how these drugs stop the virus from replicating and reduce viral load. But one thing they’re still not certain about is when patients can safely stop taking their daily antiviral pill.

In this week’s blog, we’ll explore when experts think it’s safe for patients, who have lost the hepatitis B “e” antigen (HBeAg) during antiviral treatment, to stop . Next week, we’ll look at when it’s safe for patients who were already HBeAg-negative when they began antiviral treatment to stop.

Today, doctors prescribe one of two antivirals—either entecavir (Baraclude) or tenofovir (Viread). Among the antivirals developed since 1998, these two are considered the most powerful in quickly reducing viral load (HBV DNA) and they carry the lowest risk of drug resistance. Doctors usually prescribe antivirals when our viral load is elevated and we have sign of liver damage–indicated by elevated liver enzymes (ALT or SGPT).

Antivirals quickly knock down viral load, which in turn is believed to lower our risk of liver damage and cancer. But antivirals work for only as long as we take them. When we stop, the virus usually reactivates although this is very rarely fatal or results in a liver transplant. Studies show that at least 78 percent of people who stop antivirals have an increase in viral load, 44 percent have a rise in ALT levels indicating liver damage, and among those who lose HBeAg during treatment, at least 9 percent experienced a return of HBeAg.

But what about individuals who take antivirals for long periods and enjoyed years of undetectable viral load, no signs of liver damage, loss of HBeAg, and development of the “e” antibody? Can they stop? After all, antivirals are expensive. Without insurance, a month’s supply of tenofovir costs about $1,000 and generic entecavir costs about $407 in the U.S., not to mention possible side effects such as bone loss or reduced kidney function with tenofovir..

Late last year, hepatitis B experts from the American Association for the Study of Liver Disease (AASLD) tackled this question and reviewed recent studies that followed patients who stopped antivirals after losing HBeAg. They found no clear answers and made clear their recommendations were “conditional” because the quality of evidence found in the studies was “low.” But here is what they recommend for patients who lost HBeAg during antiviral treatment and now have normal ALT levels:

  • Experts “suggest” that adults who don’t have cirrhosis (severe liver scarring) who lost HBeAg and developed “e” antibodies may stop treatment after a minimum of 12 months of normal ALT levels and undetectable viral load.
  • However, they recommend a longer “consolidation” treatment period might be better to reduce patients’ risk of relapse and a return of HBeAg after treatment stops. They suggested that an alternative approach would be to stay on antivirals until patients lose the hepatitis B surface antigen (HBsAg).

Decisions about how long to stay on antivirals require careful consideration of health risks and benefits, they wrote, including risks of relapse, liver damage, and liver cancer. Other considerations include the cost of treatment, the risk of developing drug resistance if people stop antivirals intermittently, and other side effects.

Anyone who stops taking antivirals, they advise, should be monitored frequently – at least every three months — for at least one year for liver damage and resurgence of viral load. Anyone with cirrhosis should continue treatment indefinitely because of their high risk of liver cancer.

For now, the message appears to error on the side of caution and continue on antivirals until you have cleared HBsAg for a prolonged period of time. Clearly this decision is one you must discuss carefully with your doctor.

In next week’s blog, we examine how long people who were HBeAg-negative when they started antivirals should remain on treatment.

Shop Carefully for the Best Insurance Plan When You Have Hepatitis B

Image courtesy of digitalart at FreeDigitalPhotos.net
Image courtesy of digitalart at FreeDigitalPhotos.net

With the cost of health care and prescription drugs soaring, it’s important to choose health insurance carefully when you take hepatitis B medications and need frequent check-ups and lab tests.

In the next two months, Medicare recipients, people who get insurance through their jobs and consumers buying coverage through the Affordable Care Act (Obamacare) will be selecting insurance plans during open enrollment.

If you take antivirals or interferon and have frequent lab tests and doctor visits, it’s important that you select the plan that:

  • Has your specialist or primary care doctor and lab in its network,
  • And offers the lowest copay for the drugs you need.

Continue reading "Shop Carefully for the Best Insurance Plan When You Have Hepatitis B"

HBV Journal Review – September 2014

ChrisKHBF is pleased to connect our blog readers to Christine Kukka’s monthly HBV Journal Review that she writes for the HBV Advocate. The journal presents the
 latest in hepatitis B research, treatment, and prevention from recent academic and medical journals. This month, the following topics are explored:

  • New Study Finds HBV Genotype E Responds Poorly to Entecavir
  • HBV Genotypes Help Tell the Human Story of Slavery in the Americas
  • Researchers Find Tenofovir Increases Hip Bone Loss in Older Patients
  • Decline in HBV RNA Indicates Who Loses HBeAg During Antiviral Treatment
  •  Shortened Vaccination Schedule May Get More Drug Users Immunized
  • Primary Care Doctors Rarely Screen Patients for Cirrhosis
  • Tenofovir or Telbivudine Recommended for Pregnant Women with High Viral Loads
  • Access to Healthy Food Vital for HBV Patients, but Many Live in Food “Deserts”
  • Scientists Create Viable Liver Cells in a Lab for HBV Research
  • Nerve Damage Prompts Warning Against Telbivudine-Interferon Combo Treatment

HBV Journal Review

September 1, 2014
Volume 11, Issue 9
by Christine M. Kukka

New Study Finds HBV Genotype E Responds Poorly to Entecavir
Experts know some hepatitis B virus (HBV) strains called genotypes respond better to interferon treatment than others, but now scientists are discovering that genotypes respond differently to antiviral treatment too.

HBV genotypes are found in different regions of the world and each evolved over centuries to have slightly different molecular make-ups with unique traits. Some carry a higher risk of liver damage and cancer, while other genotypes are less virulent.

In a recent study, Italian researchers compared how well patients with genotypes A, D and E fared after three years of treatment with the antiviral entecavir (Baraclude). All of the patients tested negative for the hepatitis B “e” antigen (HBeAg-negative). The scientists measured hepatitis B surface antigen (HBsAg) levels and HBV DNA (viral load) every three months during the first year of treatment and then every six months over the study period.

They found the rates of HBsAg declines resulting from antiviral treatment varied markedly between genotypes. They extrapolated how many years of entecavir treatment each genotype required before a patient would clear HBsAg and achieve undetectable viral load.

HBV genotype A: It would take on average 15.6 years of entecavir treatment for an HBeAg-negative patient with HBV genotype A to lose HBsAg. This genotype is found in northern Europe, North America, India and southern Africa.

HBV genotype D: It would take 17 years for genotype D patients to lose HBsAg. This strain is found primarily in Russia, the Middle East, the Mediterranean region, and India.

HBV genotype E: This genotype, found in Central Africa, responded the most poorly to entecavir. Scientists estimated it would take 24.6 years for these patients to lose HBsAg, according to the report published in the August issue of the Journal of Medical Virology.

Source: www.ncbi.nlm.nih.gov/pubmed/25131947

HBV Genotypes Help Tell the Human Story of Slavery in the Americas
Because HBV genotypes develop in specific regions around the world, their distribution around the world today can help tell the story of mass human migrations, including the enslavement and forced migration of millions of Africans to Brazil since the 1500s.

Read the HBV Journal Review in its entirety here.