Gilenya treats multiple sclerosis (MS). This medication decreases the number of MS relapses and slows the progression of certain disabilities such as physical problems that MS causes.
Gilenya is a prescription medication used to treat relapsing forms of multiple sclerosis (MS) in adults. Gilenya belongs to a group of drugs called sphingosine l-phosphate receptor modulators. Although the exact way it works is unknown, it may work by decreasing the activity of certain cells of the immune system.
This medication comes in capsule form and is taken once a day, with or without food.
Common side effects include headache, flu, diarrhea, and back pain.
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Uses of Gilenya
Gilenya is a prescription medicine used to treat relapsing forms of multiple sclerosis (MS) in adults.
This medication may be prescribed for other uses. Ask your doctor or pharmacist for more information.
Gilenya Drug Class
Gilenya is part of the drug class:
Side Effects of Gilenya
Gilenya can cause serious side effects. See "Drug Precautions".
The most common side effects of Gilenya include:
- back pain
- abnormal liver tests
Tell your doctor if you have any side effect that bothers you or that does not go away.
These are not all of the possible side effects of Gilenya. For more information, ask your doctor or pharmacist.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
Tell your doctor about all the medicines you take, including prescription and non-prescription medicines, vitamins, and herbal supplements. Especially tell your doctor if you take:
- Medicines for:
- heart problems or
- high blood pressure or
- other medicines that may lower your heart rate or change your heart rhythm
- Vaccines. Tell your doctor if you have been vaccinated within 1 month before you start taking Gilenya . You should not get certain vaccines while you take Gilenya and for at least 2 months after you stop taking Gilenya. If you take certain vaccines, you may get the infection the vaccine should have prevented. Vaccines may not work as well when given during Gilenya treatment.
- Medicines that could raise your chance of getting infections, such as medicines to treat cancer or to control your immune system.
- ketoconazole (an antifungal drug) by mouth
This is not a complete list of Gilenya drug interactions. Ask your doctor or pharmacist for more information.
Gilenya may cause serious side effects, including:
Slow heart rate (bradycardia or bradyarrhythmia) when you start taking Gilenya. This medication can cause your heart rate to slow down, especially after you take your first dose. You will have a test to check the electrical activity of your heart (ECG) before you take your first dose of Gilenya.
You should stay in a medical facility for at least 6 hours after you take your first dose of Gilenya.
After you take your first dose of Gilenya:
- Your pulse and blood pressure should be checked every hour.
- You should be watched by a healthcare professional to see if you have any serious side effects. If your heart rate slows down too much, you may have symptoms such as:
- feeling like your heart is beating slowly or skipping beats
- If you have any of the symptoms of slow heart rate, they will usually happen during the first 6 hours after your first dose of Gilenya. Symptoms can happen up to 24 hours after you take your first Gilenya dose.
- 6 hours after you take your first dose of Gilenya you will have another ECG. If your ECG shows any heart problems or if your heart rate is still too low or continues to decrease, you will continue to be watched.
- If you have any serious side effects after your first dose of Gilenya, especially those that require treatment with other medicines, you will stay in the medical facility to be watched overnight. You will also be watched for any serious side effects for at least 6 hours after you take your second dose of Gilenya the next day.
- If you have certain types of heart problems, or if you are taking certain types of medicines that can affect your heart, you will be watched overnight after you take your first dose of Gilenya.
Your slow heart rate will usually return to normal within 1 month after you start taking Gilenya.
Call your doctor or go to the nearest emergency room right away if you have any symptoms of slow heart rate.
Infections. Gilenya can increase your risk of serious infections. Gilenya lowers the number of white blood cells (lymphocytes) in your blood. This will usually go back to normal within 2 months of stopping treatment. Your doctor may do a blood test before you start taking Gilenya. Call your doctor right away if you have any of these symptoms of an infection:
- body aches
Rare Brain Infection. (August 29, 2013) FDA notifies that a patient in Europe diagnosed with possible multiple sclerosis (MS) has developed a rare and serious brain infection after taking Gilenya. This is the first case of progressive multifocal leukoencephalopathy (PML) reported following the administration of Gilenya to a patient who had not previously received Tysabri (natalizumab), an MS drug associated with a higher risk of PML. PML is a rare and serious brain infection caused by the John Cunningham (JC) virus that damages the fatty covering of the brain called myelin. PML usually causes death or severe disability.
RECOMMENDATION: Do not stop taking Gilenya without first discussing any questions or concerns with your health care professionals. FDA is providing this alert while continuing to investigate the PML case, and is working with Gilenya's manufacturer, Novartis, to obtain and review all available information about this occurrence. FDA will communicate its final conclusions and recommendations after the evaluation is complete.
A problem with your vision called macular edema. Macular edema can cause some of the same vision symptoms as an MS attack (optic neuritis). You may not notice any symptoms with macular edema. Macular edema usually starts in the first 3 to 4 months after you start taking Gilenya. Your doctor should test your vision before you start taking Gilenya and 3 to 4 months after you start taking Gilenya, or any time you notice vision changes during treatment with Gilenya. Your risk of macular edema may be higher if you have diabetes or have had an inflammation of your eye called uveitis.
Call your doctor right away if you have any of the following:
- blurriness or shadows in the center of your vision
- a blind spot in the center of your vision
- sensitivity to light
- unusually colored (tinted) vision
Breathing Problems. Some people who take Gilenya have shortness of breath. Call your doctor right away if you have trouble breathing.
Liver problems. Gilenya may cause liver problems. Your doctor should do blood tests to check your liver before you start taking Gilenya. Call your doctor right away if you have any of the following symptoms of liver problems:
- stomach pain
- loss of appetite
- your skin or the whites of your eyes turn yellow
- dark urine
Do not take Gilenya if you:
- have had a heart attack, unstable angina, stroke or warning stroke or certain types of heart failure in the last 6 months
- have certain types of irregular or abnormal heartbeat (arrhythmia), including patients in whom a heart finding called prolonged QT is seen on ECG before starting Gilenya
- are taking certain medicines that change your heart rhythm
If any of the above situations apply to you, tell your doctor.
Gilenya Food Interactions
Medications can interact with certain foods. In some cases, this may be harmful and your doctor may advise you to avoid certain foods. In the case of Gilenya, there are no specific foods that you must exclude from your diet when receiving this medication.
Before you take Gilenya, tell your doctor about all your medical conditions, including if you had or now have:
- an irregular or abnormal heartbeat (arrhythmia)
- a history of stroke or warning stroke
- heart problems, including heart attack or angina
- a history of repeated fainting (syncope)
- a fever or infection, or you are unable to fight infections. Tell your doctor if you have had chicken pox or have received the vaccine for chicken pox. Your doctor may do a blood test for chicken pox virus. You may need to get the vaccine for chicken pox and then wait 1 month before you start taking Gilenya.
- eye problems, especially an inflammation of the eye called uveitis.
- breathing problems, including during your sleep
- liver problems
- high blood pressure
- are pregnant or breastfeeding
Tell your doctor about all the medicines you take, including prescription and non-prescription medicines, vitamins, and herbal supplements.
Gilenya and Pregnancy
Tell your doctor if you are pregnant or plan to become pregnant. Gilenya may harm your unborn baby.
- Tell your doctor right away if you become pregnant while taking Gilenya or if you become pregnant within 2 months after you stop taking Gilenya.
- If you are a female who can become pregnant, you should use effective birth control during your treatment with Gilenya and for at least 2 months after you stop taking Gilenya.
Pregnancy Registry: There is a registry for women who become pregnant during treatment with Gilenya. If you become pregnant while taking Gilenya, talk to your doctor about registering with the Gilenya Pregnancy Registry. The purpose of this registry is to collect information about your health and your baby’s health.
Gilenya and Lactation
Tell your doctor if you are breastfeeding or plan to breastfeed. It is not known if Gilenya passes into your breast milk. You and your doctor should decide if you will take Gilenya or breastfeed. You should not do both.
- Your first dose of Gilenya will be given in a medical facility where you will be watched for at least 6 hours after your first dose of Gilenya. See "Drug Precautions".
- Take Gilenya exactly as your doctor tells you to take it.
- Take Gilenya 1 time each day.
- Take Gilenya with or without food.
- Do not stop taking Gilenya without talking with your doctor first.
- If you start Gilenya again after stopping for 2 weeks or more, you will start taking Gilenya again in your doctor’s office or clinic.
Take this medication exactly as prescribed by your doctor. Follow the directions on your prescription label carefully.
The recommended dose of Gilenya (fingolimod) is 0.5 mg orally once daily.
- Store Gilenya in the original blister pack in a dry place.
- Store Gilenya at room temperature between 59°F to 86°F (15°C to 30°C).
- Keep Gilenya and all medicines out of the reach of children.