Cookie Policy - Updated (11/02/2020)

Our website uses cookies to distinguish you from other users of our website. This helps us to provide you with a good experience when you browse our website and also allows us to improve our site. By continuing to browse the site, you are agreeing to our use of cookies.

A cookie is a small file of letters and numbers that we store on your browser or the hard drive of your computer if you agree. Cookies contain information that is transferred to your computer’s hard drive.


We use the following cookies:
  • Analytical/performance cookies. They allow us to recognize and count the number of visitors and to see how visitors move around our website when they are using it. This helps us to improve the way our website works, for example, by ensuring that users are finding what they are looking for easily. The analytical cookies used on our site are non-intrusive and collect only anonymous information.

You can find more information about the individual cookies we use and the purposes for which we use them in the table below:

Cookie Name Purpose Default Expiration Time
Analytical cookies _utma Used to distinguish visitors and sessions. 2 years from set/update
  _utmb Used to determine new sessions/visits. 30 mins from set/update
  _utmc Operated in conjunction with the _utmb cookie to determine whether you were in a new session/visit. End of browser session
  _utmz Stores the traffic source or campaign that explains how you reached our site. 6 months from set/update
  _utmv Used to store your custom variable data. 2 years from set/update
  _lfa Used to distinguish visitors and sessions 2 years from set/update
  mf_sylvant-patient.staging.ascenderstudios.com Identify session but not user End of browser session
  mf_user Used to distinguished new and returning visitors 90 days

Please note that third parties (including, for example, providers of external services like web traffic analysis services) may also use cookies, over which we have no control. These cookies are likely to be analytical/performance cookies or targeting cookies.

You can block cookies by activating the setting on your browser that allows you to refuse the setting of all or some cookies. However, if you use your browser settings to block all cookies (including essential cookies) you may not be able to access all or parts of our site.

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SYLVANT® (siltuximab) for injection

APPROVED USE

SYLVANT® (siltuximab) is a prescription medicine used to treat people with multicentric Castleman’s disease (MCD) who do not have human immunodeficiency virus (HIV) and human herpesvirus-8 (HHV-8) infection.

It is not known if SYLVANT is safe and effective in children.

IMPORTANT SAFETY INFORMATION

Do not take SYLVANT if you have had a severe allergic reaction to siltuximab or any of the ingredients in SYLVANT. See the Patient Information for SYLVANT for a complete list of ingredients.

SYLVANT® (siltuximab) for injection

APPROVED USE

SYLVANT® (siltuximab) is a prescription medicine used to treat people with multicentric Castleman’s disease (MCD) who do not have human immunodeficiency virus (HIV) and human herpesvirus-8 (HHV-8) infection.

It is not known if SYLVANT is safe and effective in children.

IMPORTANT SAFETY INFORMATION

Do not take SYLVANT if you have had a severe allergic reaction to siltuximab or any of the ingredients in SYLVANT. See the Patient Information for SYLVANT for a complete list of ingredients.

Tell your healthcare provider if you have an infection. You should not receive SYLVANT if you have a severe infection.

Tell your healthcare provider if you have had a recent vaccination or are scheduled to receive any vaccinations. You should not receive a live vaccine during your treatment with SYLVANT.

Tell your healthcare provider if you are pregnant or plan to become pregnant. It is not known if SYLVANT will harm your unborn baby. You should not become pregnant while receiving treatment with SYLVANT. Females who are able to become pregnant should use effective birth control during treatment with SYLVANT and for 3 months after stopping treatment.

Tell your healthcare provider if you are breastfeeding or plan to breastfeed. It is not known if SYLVANT passes into your breast milk. You and your healthcare provider should decide if you will take SYLVANT or breastfeed. You should not do both.

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

The most common side effects of SYLVANT include rash, itching, upper respiratory tract infection, swelling, weight gain, and increased blood level of uric acid.

These are not all the possible side effects of SYLVANT. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

For more information, please see the full Prescribing Information.