Biogen treatment options available

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Explore Biogen treatments

Could a Biogen medication be right for you?

Your healthcare provider is your best source of information, especially when choosing treatment. Together, you decide what treatment may work best for you. Download these questions to help get the conversation started at your next appointment.
The only interferon beta that effectively treats relapsing MS in 1 shot every 2 weeks
Learn more at Plegridy.com

What is PLEGRIDY?

PLEGRIDY® (peginterferon beta-1a) is a prescription medicine used to treat relapsing forms of multiple sclerosis (MS), to include clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease, in adults.

It is not known if PLEGRIDY is safe and effective in people under 18 or over 65 years of age.

How should I use PLEGRIDY?Icon of an injection Every two weeks

  • Use PLEGRIDY exactly as your healthcare provider tells you. A healthcare provider should show you how to inject your PLEGRIDY before you use it for the first time.
  • When you use PLEGRIDY for the first time, your healthcare provider may tell you to slowly increase your dose.
  • If you are prescribed PLEGRIDY for injection under the skin (subcutaneous injection):
    • you should use a PLEGRIDY Starter Pack to slowly adjust your dose when you begin treatment.
    • inject PLEGRIDY under the skin of your stomach (abdomen), back of upper arm, or thigh 1 time every 14 days.
  • If you are prescribed PLEGRIDY for injection into the muscle (intramuscular injection):
    • you should use a PLEGRIDY Titration Kit to slowly adjust your dose when you begin treatment.
    • inject PLEGRIDY into your thigh 1 time every 14 days.
  • If your healthcare provider changes where you are injecting PLEGRIDY (under the skin or into the muscle), you do not need to slowly increase your dose again.
  • Change (rotate) the site you choose with each injection to help decrease the chance that you will have an injection site reaction. Do not inject into an area of the body where the skin is irritated, reddened, bruised, infected, or scarred in any way.
  • Always use a new, PLEGRIDY prefilled pen or new, unopened single dose prefilled syringe for each injection.

How could PLEGRIDY help me?

See how PLEGRIDY was shown in clinical studies to impact:

  • Relapses
  • Progression of physical disability
  • MRI brain lesions

Who should not use PLEGRIDY?

Do not take PLEGRIDY if you are allergic to interferon beta or peginterferon, or any of the other ingredients in PLEGRIDY.

Find out more about PLEGRIDY >
Proven results

Learn more about how PLEGRIDY has been shown to treat relapsing forms of MS in clinical trials.

Find out how
Doctor Discussion Guide

Start a conversation with your doctor about your relapsing MS treatment.

Get it now
Taking PLEGRIDY

Learn more about the PLEGRIDY dosing schedule.

See more

Understanding Important Safety Information

Before taking any treatment, it’s important to understand as much about it as possible. The Important Safety Information for a treatment describes possible side effects you may experience. It also tells you what information you need to share with your doctor before starting treatment.

On this website, the Important Safety Information appears on each specific treatment page. You'll also find the Indication, which explains the specific condition that the medication was approved to treat by the FDA.

What is PLEGRIDY?

PLEGRIDY® (peginterferon beta-1a) is a prescription medicine used to treat relapsing forms of multiple sclerosis (MS), to include clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease, in adults.

It is not known if PLEGRIDY is safe and effective in people under 18 or over 65 years of age.

 

Important Safety Information

Prescribing Information | Medication Guide

Who should not take PLEGRIDY® (peginterferon beta-1a)?

  • Do not take PLEGRIDY if you are allergic to interferon beta or peginterferon, or any of the other ingredients in PLEGRIDY

What is the most important information I should know about PLEGRIDY?

PLEGRIDY can cause serious side effects, including:

  • Liver problems, or worsening of liver problems, including liver failure and death. Symptoms may include yellowing of your skin or the white part of your eye, nausea, loss of appetite, tiredness, bleeding more easily than normal, confusion, sleepiness, dark colored urine, and pale stools. During your treatment with PLEGRIDY you will need to see your healthcare provider regularly. You will have regular blood tests to check for these possible side effects
  • Depression or suicidal thoughts. Symptoms may include new or worsening depression (feeling hopeless or bad about yourself), thoughts of hurting yourself or suicide, irritability (getting upset easily), nervousness, or new or worsening anxiety

Call your healthcare provider right away if you have any of the symptoms listed above.

Before taking PLEGRIDY, tell your healthcare provider about all of your medical conditions, including if you:

  • Are being treated for a mental illness or had treatment in the past for any mental illness, including depression and suicidal behavior
  • Have or had liver problems, low blood cell counts, bleeding problems, heart problems, seizures (epilepsy), thyroid problems, or any kind of autoimmune disease (where the body’s immune system attacks the body’s own cells)
  • Have or had an allergic reaction to rubber or latex. The tip of the cap of the PLEGRIDY prefilled syringe for intramuscular use is made of natural rubber latex
  • Are pregnant or plan to become pregnant. It is not known if PLEGRIDY can harm your unborn baby
  • Are breastfeeding or plan to breastfeed. PLEGRIDY may pass into your breastmilk. Talk to your healthcare provider about the best way to feed your baby if you take PLEGRIDY

Tell your healthcare provider about all the medicines you take, including prescription and over the counter medicines, vitamins, and herbal supplements.

What are the possible side effects of PLEGRIDY?

PLEGRIDY may cause serious side effects, including:

  • serious allergic reactions. Serious allergic reactions can happen if you take PLEGRIDY. Symptoms may include itching, swelling of the face, eyes, lips, tongue, or throat, trouble breathing, feeling faint, anxiousness, skin rash, hives, or skin bumps. Talk to your healthcare provider before taking another dose of PLEGRIDY
  • injection site reactions. PLEGRIDY may commonly cause redness, pain, itching or swelling at the place where the injection was given. Call your healthcare provider right away if an injection site becomes swollen and painful or the area looks infected and it does not heal within a few days. You may have a skin infection or an area of severe skin damage (necrosis) requiring treatment by a healthcare provider
  • heart problems, including congestive heart failure. Call your healthcare provider right away if you have worsening symptoms of heart failure such as shortness of breath or swelling of your lower legs or feet while using PLEGRIDY
    • Some people using PLEGRIDY may have other heart problems, including low blood pressure, fast or abnormal heartbeat, chest pain, heart attack, or a heart muscle problem (cardiomyopathy)
  • blood problems and changes in your blood tests. PLEGRIDY can decrease your white blood cells or platelets, which can cause an increased risk of infection, bleeding, or anemia and can cause changes in your liver function tests. Your healthcare provider will do tests to monitor for side effects while you use PLEGRIDY
  • thrombotic microangiopathy (TMA). TMA is a condition that involves injury to the smallest blood vessels in your body. TMA can also cause injury to your red blood cells (the cells that carry oxygen to your organs and tissues) and your platelets (cells that help your blood clot) and can sometimes lead to death. Your healthcare provider may tell you to stop taking PLEGRIDY if you develop TMA
  • autoimmune diseases. Problems with easy bleeding or bruising (idiopathic thrombocytopenia), thyroid gland problems (hyperthyroidism and hypothyroidism), and autoimmune hepatitis have happened in some people who use interferon beta
  • seizures. Some people have had seizures while taking PLEGRIDY, including people who have never had seizures before

The most common side effects of PLEGRIDY include:

  • flu-like symptoms. Many people who take PLEGRIDY have flu-like symptoms especially early in the course of therapy. These symptoms are not really the flu. You cannot pass it on to anyone else
    • You may be able to manage these flu-like symptoms by taking over-the-counter pain and fever reducers and drinking plenty of water

Flu-like symptoms or other common side effects of PLEGRIDY may include: headache, muscle and joint aches, fever, chills, or tiredness.

These are not all of the possible side effects of PLEGRIDY.

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Please see full Prescribing Information and Medication Guide.

This information does not take the place of talking with your healthcare provider about your medical condition or your treatment.

What is PLEGRIDY?

PLEGRIDY® (peginterferon beta-1a) is a prescription medicine used to treat relapsing forms of multiple sclerosis (MS), to include clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease, in adults.

It is not known if PLEGRIDY is safe and effective in people under 18 or over 65 years of age.

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