What is this medication?
IVOSIDENIB (EYE voe SID e nib) treats leukemia. It works by blocking a protein that causes cancer cells to grow and multiply. This helps to slow or stop the spread of cancer cells.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
COMMON BRAND NAME(S): TIBSOVO
What should I tell my care team before I take this medication?
They need to know if you have any of these conditions:
- Guillain-Barre syndrome
- Heart disease
- Irregular heartbeat or rhythm
- Kidney disease
- Liver disease
- Low levels of sodium, potassium, or magnesium in the blood
- Nervous system problems
- An unusual or allergic reaction to ivosidenib, other medications, foods, dyes, or preservatives
- Pregnant or trying to get pregnant
How should I use this medication?
Take this medication by mouth with water. Take it as directed on the prescription label at the same time every day. Do not cut, crush, or chew this medication. Swallow the tablets whole. You can take it with or without food. If it upsets your stomach, take it with food. Do not take it with a high-fat meal. Keep taking it unless your care team tells you to stop.
Do not take this medication with grapefruit juice.
A special MedGuide will be given to you by the pharmacist with each prescription and refill. Be sure to read this information carefully each time.
Talk to your care team about the use of this medication in children. Special care may be needed.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
What if I miss a dose?
If you miss a dose, take it as soon as you can unless it is less than 12 hours before the next dose. If it is less than 12 hours before the next dose, skip the missed dose. Take the next dose at the normal time.
If you vomit after taking a dose, skip it. Take your next dose at the normal time. Do not take extra or 2 doses at the same time to make up for the missed dose.
What may interact with this medication?
Do not take this medication with any of the following:
This medication may also interact with the following:
- Certain antivirals for HIV or hepatitis
- Certain medications for fungal infections, such as fluconazole, itraconazole, ketoconazole
- Certain medications for irregular heart beat, such as amiodarone, encainide, flecainide, propafenone, quinidine
- Certain medications for seizures, such as carbamazepine, phenobarbital, phenytoin
- Estrogen and progestin hormones
- Grapefruit juice
- Other medications that cause heart rhythm changes
- St. John's wort
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
What should I watch for while using this medication?
Your condition will be monitored carefully while you are receiving this medication.
This medication may make you feel generally unwell. This is not uncommon as chemotherapy can affect healthy cells as well as cancer cells. Report any side effects. Continue your course of treatment even though you feel ill unless your care team tells you to stop.
You may need blood work while taking this medication.
Talk to your care team if you may be pregnant. Serious birth defects can occur if you take this medication during pregnancy. Contraception is recommended while taking this medication. Your care team can help you find the option that works for you.
Do not breastfeed while taking this medication and for 1 month after the last dose.
This medication may cause infertility. Talk to your care team if you are concerned about your fertility.
What side effects may I notice from receiving this medication?
Side effects that you should report to your care team as soon as possible:
- Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
- Fever, cough, dizziness, feeling faint or lightheaded, shortness of breath, bone pain, sudden weight gain, swelling of the ankles, hands, or feet, which may be signs of differentiation syndrome
- Heart rhythm changes—fast or irregular heartbeat, dizziness, feeling faint or lightheaded, chest pain, trouble breathing
- High white blood cell level—fever, fatigue, trouble breathing, night sweats, change in vision, weight loss
- Pain, tingling, or numbness in the hands or feet, muscle weakness, change in vision, confusion or trouble speaking, loss of balance or coordination, trouble walking, seizures
Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):
- Joint pain
- Loss of appetite
- Pain, redness, or swelling with sores inside the mouth or throat
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Where should I keep my medication?
Keep out of the reach of children and pets.
Store at room temperature between 20 and 25 degrees C (68 and 77 degrees F). Get rid of any unused medication after the expiration date.
To get rid of medications that are no longer needed or have expired:
- Take the medication to a medication take-back program. Check with your pharmacy or law enforcement to find a location.
- If you cannot return the medication, check the label or package insert to see if the medication should be thrown out in the garbage or flushed down the toilet. If you are not sure, ask your care team. If it is safe to put it in the trash, take the medication out of the container. Mix the medication with cat litter, dirt, coffee grounds, or other unwanted substance. Seal the mixture in a bag or container. Put it in the trash.
NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.
Additional Information From Chemocare.com About Ivosidenib
- Drink at least two to three quarts of fluid every 24 hours, unless you are instructed otherwise.
- You may be at risk of infection so try to avoid crowds or people with colds, and report fever or any other signs of infection immediately to your health care provider.
- Wash your hands often.
- To help treat/prevent mouth sores, use a soft toothbrush, and rinse three times a day with 1 teaspoon of baking soda mixed with 8 ounces of water.
- Use an electric razor and a soft toothbrush to minimize bleeding
- Avoid contact sports or activities that could cause injury
- To reduce nausea, take anti-nausea medications as prescribed by your doctor, and eat small, frequent meals.
- Follow regimen of anti-diarrhea medication as prescribed by your health care professional.
- Eat foods that may help reduce diarrhea (see managing side effects - diarrhea).
- Avoid sun exposure. Wear SPF 30 (or higher) sunblock and protective clothing.
- In general, drinking alcoholic beverages should be kept to a minimum or avoided completely. You should discuss this with your doctor.
- Get plenty of rest.
- Maintain good nutrition
- Remain active as you are able. Gentle exercise is encouraged such as a daily walk.
- You may experience drowsiness or dizziness; avoid driving or engaging in tasks that require alertness until your response to the drug is known.
- If you experience symptoms or side effects, be sure to discuss them with your health care team. They can prescribe medications and/or offer other suggestions that are effective in managing such problems.
When to Contact Your Doctor or Health Care Provider
Contact your health care provider immediately, day or night, if you should experience any of the following symptoms:
- Shortness of breath, wheezing, difficulty breathing, closing up of the throat, swelling of facial features, hives (possible allergic reaction).
- Change in senses like change in vision, touch, hearing, or taste.
- Chest pain.
- Fever of 100.4°F (38°C) or higher, chills (possible signs of infection).
- Signs of Tumor Lysis Syndrome – fast heartbeat, passing out, difficulty urinating, muscle weakness or cramps, upset stomach, throwing up, diarrhea, not able to eat, or feel sluggish
- Signs of Differentiation Syndrome – bone pain, cough, fever, shortness of breath, sudden weight gain, swelling in arms or legs, swollen glands, difficulty urinating, blood in urine, signs of liver problems (dark urine, stomach pain, light-colored stools, or yellow skin and eyes), or low blood pressure (passing out or dizziness).
The following symptoms require medical attention but are not an emergency. Contact your health care provider within 24 hours of noticing any of the following:
- Nausea (interferes with ability to eat and unrelieved with prescribed medication
- Vomiting (vomiting more than 4-5 times in a 24-hour period)
- Diarrhea (4-6 episodes in a 24-hour period)
- Unusual bleeding or bruising
- Black or tarry stools, or blood in your stools
- Blood in the urine
- Pain or burning with urination
- Extreme fatigue (unable to carry on self-care activities)
- Mouth sores (painful redness, swelling or ulcers)
- Yellowing of the skin or eyes.
- Swelling of the feet or ankles.
- Sudden weight gain.
Always inform your health care provider if you experience any unusual symptoms.