Important Safety Information: CERDELGA can affect how other medicines work and other medicines can affect how CERDELGA works. Especially tell your doctor if you take St. John's Wort (Hypercium perforatum) or medicines for fungal infections, tuberculosis, seizures, heart rhythm and rate problems, high blood pressure, or depression. Tell your doctor about all of your medical conditions, including history of heart attacks or heart rhythm problems. View more

Privacy Policy

Genzyme Corporation (“Genzyme”), a subsidiary of Sanofi, respects individual privacy and is committed to protecting personally identifiable information in conformity with applicable legal and ethical standards.

This Privacy Policy and Notice of Information Practices sets forth Genzyme’s practices regarding the collection, use and disclosure of information that you may provide through this site. Please read this entire Privacy Policy before using this site or submitting information to Genzyme through this site.

By using this site and whenever you submit information through this site to Genzyme, you agree with the terms of Genzyme’s Privacy Policy and Notice of Information Practices written below.

Privacy Policy and Notice of Information Practices

Information Genzyme Collects

Personally Identifiable Information

Genzyme only collects personally identifiable information, such as your name, address, telephone number or email address, when you voluntarily submit it to Genzyme.

Cookies and Other Non-Personally Identifiable Information

We collect information about your usage of our site through cookies and similar technology. There are two types of cookies: session cookies (non persistent cookies) and persistent cookies. Session cookies temporarily store non-personally identifiable information about your visit to our website in your computer’s memory. The cookie is deleted as soon as you close your browser. Persistent or permanent cookies will uniquely identify your browser and will permanently save in your computer’s memory information requested by the website.

On some of our websites, we also use pixels, or transparent GIF files. These GIF files are provided by our ad management partner, DoubleClick. These files enable DoubleClick to recognize a unique cookie on your Web browser, which in turn enables us to learn which advertisements bring users to our website. The cookie was placed by us, or by another advertiser who works with DoubleClick.

With both cookies and transparent GIF files, the information that we collect and share is anonymous and not personally identifiable. It does not contain your name, address, telephone number, or email address.

We also track the total number of visitors to our website, the number of visitors to each page of the website, and the domain names of our visitors’ Internet service providers.  On certain Genzyme websites, we may also ask users that have opted to receive information to complete a survey.  No personally identifiable information is gathered in any of these processes.

How Genzyme Uses This Information

Personally Identifiable Information

This information may be used by Genzyme personnel or agents of Genzyme to obtain more information, to improve this site, or to provide you with information that you have requested or additional information which Genzyme believes may be of interest to you.

Genzyme does not sell any of your personally identifiable information for marketing or advertising purposes.

Cookies and Other Non-Personally Identifiable Information

Cookies allow us to bring you the content and features likely to be of greatest interest to you based on your previous activities on our site.  In Genzyme sites that require passwords, you are giving us explicit permission to use a “persistent cookie,” which is a small data file that is generated when you enter your assigned user id and password and access the site. This file is saved in your computer’s memory, and enables your browser to access each page that is in the password-protected area.

Pixels, or transparent GIF files, are used to help us manage our online advertising.  For example, third party vendors, including Google, show Genzyme ads on sites on the internet.  These vendors also use cookies to serve ads based on a user's prior visits to Genzyme’s website.

We use other non-personally identifiable information, including information obtained through surveys, to improve this site.

Storage and Transfer of Information

Genzyme, or in some cases its agents, may store the personally identifiable data collected via this site in an electronic database. Genzyme and its agents may also exchange such data with each other or with you over the internet or over intranet systems for the purposes of processing the data, mailing information to you in response to your request, or otherwise carrying out the services described above.  We may also release your personally identifiable data in response to a court order, subpoena, search warrant, or applicable law or regulation.

While Genzyme makes every reasonable effort to protect the personally identifiable data collected through its websites, please be aware that there is always some risk involved when submitting data over the Internet. We cannot guarantee that our website is 100% safe from illegal tampering or “hacking.” Any data transmitted over the Internet may be at risk; however, once it is received at Genzyme and entered into its database, it has the same protection that Genzyme extends to its own confidential information.

Your Information Choices

Personally Identifiable Information

If at any time you wish to stop receiving emails or other communications from us, or if you have submitted personally identifiable information through our website and would like to have that information deleted from our records, please notify us.  You may also request access to personal data about you that Genzyme holds and you may have the opportunity to request a correction or amendment to your personal data.

As a reminder to you when exchanging emails, any email that you send or receive on your employer’s email system may be the property of your employer. Consequently, your employer may have the ability to review your personal information sent via email.

Please note that although we attempt to adhere to requests to remove personal data from our records, it may not be possible to remove all copies depending on the manner in which the information was submitted to us.  In addition, we reserve the right not remove or amend information provided to us regarding an adverse drug effect and information is otherwise required to be retained by law.

Cookies and Other Non-Personally Identifiable Information

Your Web browser can be set to allow you to control whether you will accept cookies, reject cookies, or to notify you each time a cookie is sent to you. If your browser is set to reject cookies, sites like ours that are cookie-enabled will not recognize you when you return to the site and some site functionality may be lost.

Users may opt out of Google's use of cookies by visiting the Google advertising opt-out page.

For more information about how to opt out of Doubleclick, go to  Users always have the option of declining to participate in any survey they receive from Genzyme.

Links to Third Party Sites

As a convenience to our visitors, our sites currently contain links to a number of other (non-Genzyme) sites that we believe may offer useful information. The privacy policy presented here does not apply to those sites. You should contact these sites directly for information on their privacy policies, confidentiality agreements, and data collection/distribution procedures.

Please note that linked non-Genzyme sites may also use cookies. Genzyme cannot control the use of cookies by these non-Genzyme sites. In addition, when you link from a Genzyme website to another website, that site may have the ability to recognize that you have come from a Genzyme site. If you do not want any other websites to know that you have been on this website, we recommend that you do not use the links provided in our site.

Children’s Policy

Our websites are not intended or designed to attract children under the age of 13. We do not collect personal information from any person we actually know is a child under the age of 13.

Privacy Policy Updates

Any changes to this Privacy Policy will be posted on this page.  If a change to this Privacy Policy results in a materially different use of your personally identifiable information provided prior to the date of the change, you may opt out of such use by providing notice to Genzyme.

This privacy policy only applies to websites linked to it.  A different privacy policy may apply to other Genzyme websites you visit. 

This privacy policy was last updated 9/21/2011.


Indication & Usage

CERDELGA (eliglustat) capsules is a glucosylceramide synthase inhibitor indicated for the long-term treatment of adult patients with Gaucher disease type 1 who are CYP2D6 extensive metabolizers (EMs), intermediate metabolizers (IMs), or poor metabolizers (PMs) as detected by an FDA-cleared test.

Limitations of Use:

Important Safety Information

CERDELGA is contraindicated in EMs or IMs taking a strong or moderate CYP2D6 inhibitor concomitantly with a strong or moderate CYP3A inhibitor, and in IMs or PMs taking a strong CYP3A inhibitor due to the risk of significantly increased eliglustat blood concentration, which may result in prolongation of cardiac intervals that could result in cardiac arrhythmias.

Your doctor will perform a test to help determine if CERDELGA is right for you.

CERDELGA can affect the way other medicines work and other medicines can affect how CERDELGA works. Using CERDELGA with other medicines or herbal supplements (including St. John’s Wort) may cause an increased risk of side effects, including ECG changes and irregular heart beat. Especially tell your doctor if you take medicines for fungal infections, tuberculosis, seizures, heart rhythm and rate problems, high blood pressure, or depression or other mental health problems. Your doctor may need to prescribe a different medicine, change your dose of other medicines, or change your dose of CERDELGA. Tell your doctor about any new medicines before you start taking them.

Before taking CERDELGA, tell your doctor about all of your medical conditions, including kidney or liver problems, history of heart attacks, or heart rhythm problems (including long QT syndrome). If you are pregnant or plan to become pregnant or breastfeed, talk to your physician. It is not known if CERDELGA will harm your unborn baby.

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

Swallow the capsule whole, preferably with water. If you miss a dose of CERDELGA, take the next dose at the usual time. Do not take two doses of CERDELGA at the same time. Avoid eating or drinking grapefruit products while taking CERDELGA. Grapefruit products can increase the amount of CERDELGA in your body.

The most common adverse reactions (≥10%) for CERDELGA are: fatigue, headache, nausea, diarrhea, back pain, pain in extremities, and upper abdominal pain. Call your doctor for medical advice about adverse effects.

You may report adverse effects to FDA at 1-800-FDA-1088 or

If you would like more information, talk with your doctor. You may also go to for the Full Prescribing Information, including the Patient Medication Guide, or call Sanofi Genzyme at 1-800-745-4447.