Zydelig

Generic Name: idelalisib (eye DEL a LIS ib)
Brand Names: Zydelig

What is Zydelig?

Zydelig (idelalisib) is a cancer medication that interferes with the growth and spread of cancer cells in the body.

Zydelig is used together with rituximab (Rituxan) to treat chronic lymphocytic leukemia that has relapsed.

Zydelig is also used to treat Follicular B-cell non-Hodgkin Lymphoma and Small Lymphocytic Lymphoma that have relapsed or have not responded to other treatments.

Zydelig was approved by the US Food and Drug Administration (FDA) on an "accelerated" basis. Patients in clinical studies responded to this medicine. However, it has not been shown that idelalisib can improve symptoms or lengthen survival time.

Important information

Zydelig can cause serious harm to your liver, lungs, or intestines. Some of these conditions may lead to fatal complications. You will need frequent medical tests to be sure Zydelig is not causing harmful effects.

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You may have severe or life-threatening diarrhea while taking Zydelig. Idelalisib can also cause a perforation (a hole or tear) in your intestines. Call your doctor at once if you have diarrhea that is watery or bloody, if you have bloody or tarry stools, or if you cough up blood that looks like coffee grounds.

Before taking this medicine

You should not use Zydelig if you have ever had a serious allergic reaction.

To make sure Zydelig is safe for you, tell your doctor if you have:

  • liver disease;

  • an intestinal disorder such as ulcerative colitis; or

  • lung disease.

FDA pregnancy category D. Do not use Zydelig if you are pregnant. It could harm the unborn baby. Use effective birth control while you are using this medicine and for at least 1 month after your treatment ends.

See also: Pregnancy and breastfeeding warnings (in more detail)

It is not known whether idelalisib passes into breast milk or if it could harm a nursing baby. You should not breast-feed while using this medicine.

Do not give Zydelig to anyone under 18 years old without medical advice.

How should I take Zydelig?

Zydelig is usually taken twice per day. Follow all directions on your prescription label. Do not use this medicine in larger or smaller amounts or for longer than recommended.

You may take Zydelig with or without food.

Do not crush, chew, or break a tablet. Swallow it whole.

While using Zydelig, you will need frequent medical tests to be sure idelalisib is not causing harmful effects. Your cancer treatments may be delayed based on the results of these tests.

Do not stop using this medicine without your doctor's advice.

Store this medicine in the original container at room temperature, away from moisture and heat.

What happens if I miss a dose?

Take the missed dose as soon as you remember. If you are more than 6 hours late, skip the missed dose. Do not take extra medicine to make up the missed dose.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while taking Zydelig?

Follow your doctor's instructions about any restrictions on food, beverages, or activity.

Zydelig side effects

Get emergency medical help if you have any of these signs of an allergic reaction to Zydelig: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Zydelig can cause serious harm to your liver, lungs, or intestines. Some of these conditions may lead to fatal complications. You may have severe or life-threatening diarrhea while taking Zydelig. Idelalisib can also cause a perforation (a hole or tear) in your intestines.

Call your doctor at once if you have:

  • severe or ongoing diarrhea, increased number of stools per day;

  • diarrhea that is watery or bloody;

  • stomach pain with fever, chills, nausea, or vomiting;

  • bloody or tarry stools, coughing up blood or vomit that looks like coffee grounds;

  • fever, easy bruising or bleeding, swollen gums, painful mouth sores, pain when swallowing, skin sores, cold or flu symptoms, cough, trouble breathing;

  • liver problems - nausea, upper stomach pain, tired feeling, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);

  • signs of pneumonia (lung infection) - fever, chills, stabbing chest pain, wheezing, trouble breathing, cough with yellow or green mucus; or

  • severe skin reaction - fever, sore throat, swelling in your face or tongue, burning in your eyes, skin pain, followed by a red or purple skin rash that spreads (especially in the face or upper body) and causes blistering and peeling.

Common Zydelig side effects may include:

  • nausea, stomach pain, diarrhea;

  • fever, chills, cough;

  • tired feeling; or

  • lung infection.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

See also: Side effects (in more detail)

What other drugs will affect Zydelig?

Other drugs may interact with Zydelig, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell each of your health care providers about all medicines you use now and any medicine you start or stop using.

Where can I get more information?

  • Your pharmacist can provide more information about Zydelig.
  • Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use Zydelig only for the indication prescribed.
  • Disclaimer: Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

Copyright 1996-2014 Cerner Multum, Inc. Version: 1.03. Revision Date: 2014-09-10, 1:11:41 PM.

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