Pexidartinib

Generic name: Pexidartinib
Brand names: Turalio
Dosage form: oral capsule (125 mg; 200 mg)
Drug class: Multikinase inhibitors

Usage of Pexidartinib

Pexidartinib is used in adults to treat giant cell tumor of the tendon sheath (also called tenosynovial giant cell tumor, or pigmented villonodular synovitis) not likely to improve with surgery.

Pexidartinib is available only from a certified pharmacy under a special program. You must be registered in the program and understand the risks and benefits of pexidartinib.

Pexidartinib may also be used for purposes not listed in this medication guide.

Pexidartinib side effects

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

Stop using pexidartinib and call your doctor at once if you have dark urine or jaundice (yellowing of the skin or eyes).

Tell your doctor if you have other symptoms of liver problems, such as:

right-sided upper stomach pain;

loss of appetite, nausea, vomiting;

rash;

fever, tiredness; or

itching.

Your pexidartinib doses may be delayed or permanently discontinued if you have certain side effects.

Common side effects of pexidartinib may include:

abnormal lab results;

tiredness;

puffy eyes;

changes in the color of your hair;

rash, itching, hives, skin redness, acne; or

decreased or altered sense of taste.

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.

Before taking Pexidartinib

Tell your doctor if you have or have ever had:

liver or kidney disease.

Pexidartinib can harm an unborn baby if the mother or the father is using this medicine.

If you are a woman, you may need a pregnancy test to make sure you are not pregnant. Use birth control while using this medicine and for at least 1 month after your last dose.

If you are a man, use birth control if your sex partner is able to get pregnant. Keep using birth control for at least 1 week after your last dose.

Tell your doctor right away if a pregnancy occurs.

Pregnancy may be less likely to occur while the mother or the father is using this medicine. Both men and women should still use birth control to prevent pregnancy because the medicine can harm an unborn baby.

Do not breastfeed while using this medicine, and for at least 1 week after your last dose.

Relate drugs

How to use Pexidartinib

Usual Adult Dose for Giant Cell Tumor of Bone:

400 mg orally 2 times a dayUse: For symptomatic (TGCT) associated with severe morbidity or functional limitations and not amenable to improvement with surgery

Warnings

Pexidartinib can harm your liver. You will need frequent blood tests to check your liver function before and during treatment with pexidartinib.

Stop using pexidartinib and call your doctor at once if you have dark urine or jaundice (yellowing of the skin or eyes).

Tell your doctor if you have other symptoms of liver problems, such as loss of appetite, stomach pain (upper right side), nausea, vomiting, tiredness, itching, or fever.

What other drugs will affect Pexidartinib

Sometimes it is not safe to use certain medicines at the same time. Some drugs can affect your blood levels of other drugs you use, which may increase side effects or make the medicines less effective.

Pexidartinib can harm your liver, especially if you also use certain medicines for infections, tuberculosis, depression, birth control, hormone replacement, high cholesterol, heart problems, high blood pressure, seizures, pain, or arthritis (including Tylenol, Advil, Motrin, or Aleve).

Some medicines should be taken separately from your dose of pexidartinib:

If you take an antacid, take your pexidartinib dose 2 hours before or 2 hours after you take the antacid.

If you take medicine for heartburn or stomach acid (such as ranitidine, cimetidine, famotidine, Pepcid, Tagamet, or Zantac), take your pexidartinib dose 2 hours before or 10 hours after you take the antacid.

You may not be able to take a proton pump inhibitor stomach acid reducer such as Dexlansoprazole, esomeprazole, lansoprazole, omeprazole, pantoprazole, rabeprazole, Nexium, Prevacid, Prilosec, Protonix, and others.

This list is not complete and many other drugs may affect pexidartinib. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.

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