(eye"voe sid' e nib)
Ivosidenib may cause a serious or life-threatening group of symptoms called differentiation syndrome. Your doctor will monitor you carefully to see whether you are developing this syndrome. If you experience any of the following symptoms, call your doctor immediately: fever, cough, rash, sudden weight gain, decreased urination, swelling of arms or legs, dizziness or lightheadedness, shortness of breath, or difficulty breathing. These symptoms may occur up to 3 months after starting treatment with ivosidenib. At the first sign that you are developing differentiation syndrome, your doctor will prescribe medications to treat the syndrome, and may tell you to stop taking ivosidenib for some time.
Keep all appointments with your doctor and the laboratory. Your doctor will order certain tests before and during your treatment to check your body's response to ivosidenib.
Your doctor or pharmacist will give you the manufacturer's patient information sheet (Medication Guide) when you begin treatment with ivosidenib and each time you refill your prescription. Read the information carefully and ask your doctor or pharmacist if you have any questions. You can also visit the Food and Drug Administration (FDA) website (http://www.fda.gov/Drugs/DrugSafety/ucm085729.htm) to obtain the Medication Guide.
WHY is this medicine prescribed?
Ivosidenib is used to treat a certain type of acute myeloid leukemia (AML; a type of cancer that begins in the white blood cells) that has returned or that has not improved after previous treatment(s). Ivosidenib is also used to treat a certain type of AML in some adults older than 75 years of age as a first treatment. Ivosidenib is in a class of medications cad IDH1 inhibitors. It works by slowing or stopping the growth of cancer cells.
HOW should this medicine be used?
Ivosidenib comes as a tablet to take by mouth. It is usually taken with or without food once daily. Donottake it with a high fat meal (such as fried foods or fast food). Take ivosidenib at around the same time every day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take ivosidenib exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.
Swallow the tablets whole; do not split, chew, or crush them.
If you vomit after taking ivosidenib, do not take another dose. Continue your regular dosing schedule.
Your doctor may reduce your dose or temporarily or permanently stop your treatment with ivosidenib depending on your response to treatment or any side effects that you experience. Talk to your doctor about how you are feeling during your treatment.
Ask your pharmacist or doctor for a copy of the manufacturer's information for the patient.
Are there OTHER USES for this medicine?
This medication may be prescribed for other uses; ask your doctor or pharmacist for more information.
What SPECIAL PRECAUTIONS should I follow?
Before taking ivosidenib,
What SPECIAL DIETARY instructions should I follow?
Talk to your doctor about eating grapefruit and drinking grapefruit juice while taking this medication.
Make sure you drink plenty of water or other fluids every day while you are taking ivosidenib.
What should I do IF I FORGET to take a dose?
If your next dose is due in 12 hours or more, take the missed dose as soon as you remember it. However, if the next dose will be taken in less than 12 hours, skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed one.
What SIDE EFFECTS can this medicine cause?
Ivosidenib may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
Some side effects can be serious. If you experience any of these symptoms or those listed in the IMPORTANT WARNING section, call your doctor immediately or get emergency medical treatment:
Ivosidenib may cause other side effects. Call your doctor if you have any unusual problems while taking this medication.
If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online ( http://www.fda.gov/Safety/MedWatch ) or by phone (1-800-332-1088).
What should I know about STORAGE and DISPOSAL of this medication?
Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom).
It is important to keep all medication out of sight and reach of children as many containers (such as weekly pill minders and those for eye drops, creams, patches, and inhalers) are not child-resistant and young children can open them easily. To protect young children from poisoning, always lock safety caps and immediately place the medication in a safe location – one that is up and away and out of their sight and reach.http://www.upandaway.org
Unneeded medications should be disposed of in special ways to ensure that pets, children, and other people cannot consume them. However, you should not flush this medication down the toilet. Instead, the best way to dispose of your medication is through a medicine take-back program. Talk to your pharmacist or contact your local garbage/recycling department to learn about take-back programs in your community. See the FDA's Safe Disposal of Medicines website (http://goo.gl/c4Rm4p) for more information if you do not have access to a take-back program.
What should I do in case of OVERDOSE?
In case of overdose, call the poison control helpline at 1-800-222-1222. Information is also available online athttps://www.poisonhelp.org/help. If the victim has collapsed, had a seizure, has trouble breathing, or can't be awakened, immediately call emergency services at 911.
What OTHER INFORMATION should I know?
Your doctor will order a lab test before you begin your treatment to see whether your cancer can be treated with ivosidenib.
Do not let anyone else take your medication. Ask your pharmacist any questions you have about refilling your prescription.
It is important for you to keep a written list of all of the prescription and nonprescription (over-the-counter) medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies.
AHFS® Consumer Medication Information. © Copyright, The American Society of Health-System Pharmacists, Inc., 7272 Wisconsin Avenue, Bethesda, Maryland. All Rights Reserved. Duplication for commercial use must be authorized by ASHP.
Selected Revisions: September 15, 2019.
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