Entecavir uses?

What conditions does Entecavir treat?

Entecavir is used to treat two types of viral infections: Hepatitis B, a liver disease caused by the hepatitis B virus [1][2], and Chronic Hepatitis B, a long-term infection of the liver [2]. It belongs to a class of medications called nucleoside analogs, which work by inhibiting the replication of viral DNA.

How does Entecavir compare to other treatments for Hepatitis B?

Some alternative treatments for Hepatitis B include interferons, such as Peginterferon alfa-2a, and other nucleoside analogs like Telbivudine and Adefovir dipivoxil [3]. While these alternatives may have different side effect profiles, the key factors to consider when choosing a treatment regimen for Hepatitis B include the risk of resistance, tolerability, and effectiveness in suppressing viral DNA.

What are the common side effects of Entecavir?

The most common side effects of Entecavir include fatigue, headache, dizziness, and nausea [4]. These symptoms can vary in severity and may be mild or moderate in most cases. It is essential to note that some patients may experience more severe side effects, such as severe fatigue or anemia.

Can Entecavir interact with other medications?

As with any medication, it is crucial to inform your doctor about any prescription or over-the-counter medications you are taking before starting Entecavir, including antacids, proton pump inhibitors, and certain cholesterol-lowering medications [1]. Your healthcare provider will help you manage potential interactions to minimize the risk of adverse effects.

When does the patent for Entecavir expire?

According to DrugPatentWatch.com, the exclusive marketing rights for Entecavir (Baraclude) by Bristol-Myers Squibb were set to expire in 2015, but a re-examination and settlement in 2014 extended the exclusivity period [5]. The exact expiration date may have changed, so it's best to consult the DrugPatentWatch website for the most up-to-date information.

Sources:

[1] - Baraclude (entecavir) Prescribing Information
[2] - Centers for Disease Control and Prevention. (2022). Hepatitis B Virus.
[3] - ClinicalTrials.gov. (n.d.). Hepatitis B treatment trials.
[4] - RxList. (n.d.). Entecavir (Oral Route). Side Effects.
[5] - DrugPatentWatch. (2014). Patent Settlement Extends Baraclude Exclusivity.

Note: The above sources are for informational purposes only and may not reflect the most current information.