Skip to Content

Ibrance

Generic Name: palbociclib (PAL-boe-SYE-klib)
Brand Name: Ibrance

Ibrance is used for:

Treating certain kinds of breast cancer in women past menopause. It may also be used for other conditions as determined by your doctor.

Ibrance is a cyclin-dependent kinase (CDK) inhibitor. It works by stopping the growth of cancer cells.

Do NOT use Ibrance if:

  • you are allergic to any ingredient in Ibrance
  • you are taking bosentan, carbamazepine, efavirenz, etravirine, modafinil, nafcillin, phenytoin, rifampin, or St. John's wort

Contact your doctor or health care provider right away if any of these apply to you.

Before using Ibrance:

Some medical conditions may interact with Ibrance. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

  • if you are pregnant, planning to become pregnant, or are breast-feeding
  • if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
  • if you have allergies to medicines, foods, or other substances
  • if you have kidney problems, liver problems, or any symptoms of infection (eg, fever, chills, cough, sore throat)

Some MEDICINES MAY INTERACT with Ibrance. Tell your health care provider if you are taking any other medicines, especially any of the following:

  • Clarithromycin, indinavir, itraconazole, ketoconazole, lopinavir/ritonavir, nefazodone, nelfinavir, posaconazole, ritonavir, saquinavir, telaprevir, telithromycin, verapamil, or voriconazole because they may increase the risk of Ibrance's side effects
  • Bosentan , carbamazepine, efavirenz, etravirine, modafinil, nafcillin, phenytoin, rifampin, or St. John's wort because they may decrease Ibrance's effectiveness
  • Alfentanil, cyclosporine, dihydroergotamine, ergotamine, everolimus, fentanyl, midazolam, pimozide, quinidine, sirolimus, or tacrolimus because the risk of their side effects may be increased by Ibrance

This may not be a complete list of all interactions that may occur. Ask your health care provider if Ibrance may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

How to use Ibrance:

Use Ibrance as directed by your doctor. Check the label on the medicine for exact dosing instructions.

  • An extra patient leaflet is available with Ibrance. Talk to your pharmacist if you have questions about this information.
  • Follow how to take Ibrance as you have been told by your doctor. Do not use more than you were told to use.
  • Take Ibrance by mouth with food.
  • Swallow Ibrance whole. Do not chew, crush, or open before swallowing.
  • Do not take capsules that are broken, cracked, or that look damaged.
  • Do not eat grapefruit or drink grapefruit juice while you use Ibrance.
  • Take Ibrance at the same time of day.
  • To gain the most benefit, do not miss doses.
  • Take as you have been told, even if you feel well.
  • If you vomit after taking Ibrance, do not repeat the dose.
  • If you miss a dose of Ibrance, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.

Ask your health care provider any questions you may have about how to use Ibrance.

Important safety information:

  • Tell your doctor or dentist that you take Ibrance before you receive any medical or dental care, emergency care, or surgery.
  • Ibrance may lower the ability of your body to fight infection. Avoid contact with people who have colds or infections. Tell your doctor if you notice signs of infection like fever, sore throat, rash, or chills.
  • Ibrance may reduce the number of clot-forming cells (platelets) in your blood. Avoid activities that may cause bruising or injury. Tell your doctor if you have unusual bruising or bleeding. Tell your doctor if you have dark, tarry, or bloody stools.
  • Blood clots in the lungs have happened with Ibrance. Blood clots in the lungs may be serious or life-threatening. Call your doctor right away if you have chest pain or pressure, coughing up blood, fast breathing, fast heartbeat, or shortness of breath.
  • If you may become pregnant, you must use an effective form of birth control while you take Ibrance and for at least 2 weeks after you stop taking it. If you have questions about effective birth control, talk with your doctor.
  • Lab tests may be performed while you use Ibrance. These tests may be used to monitor your condition or check for side effects. Be sure to keep all doctor and lab appointments.
  • PREGNANCY and BREAST-FEEDING: Ibrance may cause harm to the fetus. If you think you may be pregnant, contact your doctor right away. It is not known if this medicine is found in breast milk. Do not breast-feed while taking Ibrance.

Possible side effects of Ibrance:

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Decreased appetite; diarrhea; hair thinning or loss; mouth irritation or mouth sores; nausea; nose or throat irritation; tiredness; vomiting; weakness.

Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); burning, numbness, or tingling; dizziness; symptoms of bleeding (eg, vomiting blood or vomit that looks like coffee grounds; coughing up blood; blood in the urine; black, red, or tarry stools; bleeding from the gums; nosebleeds; unusual vaginal bleeding; bruises without a reason or that get bigger; any bleeding that is severe or that you cannot stop); symptoms of infection (eg, fever, chills, sore throat, ear or sinus pain, cough, more sputum or change in color of sputum, painful urination, mouth sores, wound that will not heal, anal itching or pain); unusual tiredness or weakness.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.

If OVERDOSE is suspected:

Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately.

Proper storage of Ibrance:

Store Ibrance at room temperature, between 68 and 77 degrees F (20 and 25 degrees C). Store away from heat, moisture, and light. Do not store in the bathroom. Keep Ibrance out of the reach of children and away from pets.

General information:

  • If you have any questions about Ibrance, please talk with your doctor, pharmacist, or other health care provider.
  • Ibrance is to be used only by the patient for whom it is prescribed. Do not share it with other people.
  • If your symptoms do not improve or if they become worse, check with your doctor.
  • Check with your pharmacist about how to dispose of unused medicine.

This information should not be used to decide whether or not to take Ibrance or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about Ibrance. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to Ibrance. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using Ibrance.

Review Date: August 8, 2016

Disclaimer: This information should not be used to decide whether or not to take this medicine or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using this medicine.

Hide