IBRANCE® (EYE-brans) (Palbociclib)
- January 2, 2021
- 0
What is IBRANCE (Palbociclib)?
IBRANCE is a prescription medicine used to treat hormone receptor (HR)-positive, human epidermal growth factor receptor 2 (HER2)-negative breast cancer that has spread to other parts of the body (metastatic) in combination with:
- An aromatase inhibitor as the first hormonal based therapy in women who have gone through menopause, or
- Fulvestrant in women with disease progression following hormonal therapy.
It is not known if IBRANCE is safe and effective in children.
What is the most important information I should know about IBRANCE?
IBRANCE can cause serious side effects. These serious side effects include:
- Low white blood cell counts (neutropenia). Low white blood cell counts are very common when taking IBRANCE and may cause serious infections that can lead to death. Your healthcare provider should check your white blood cell counts before and during treatment.
- Low red blood cell counts and low platelet counts are common with IBRANCE. Call your healthcare provider right away if you develop any of these symptoms during treatment:
- Dizziness
- Shortness of breath
- Weakness
- Bleeding or bruising more easily
- Infections
- Hair thinning or hair loss
- Vomiting
- Loss of appetite
- Nosebleeds
- Tiredness
- Nausea
- Abnormalities in liver blood tests
- Diarrhea
- Rash
- IBRANCE may cause fertility problems in males. This may affect your ability to father a child
How should I take IBRANCE?
- Take IBRANCE exactly as your healthcare provider tells you.
- Take IBRANCE with food.
- Swallow IBRANCE capsules whole. Do not chew, crush or open IBRANCE capsules before swallowing them.
- Do not take any IBRANCE capsules that are broken, cracked, or that look damaged.
- Avoid grapefruit and grapefruit products during treatment with IBRANCE. Grapefruit may increase the amount of IBRANCE in your blood.
- Do not change your dose or stop taking IBRANCE unless your healthcare provider tells you.
- If you miss a dose of IBRANCE or vomit after taking a dose of IBRANCE, do not take another dose on that day. Take your next dose at your regular time.
- If you take too much IBRANCE, call your healthcare provider right away or go to the nearest hospital emergency room

Important Safety Information
- Avoid grapefruit and grapefruit products during treatment with IBRANCE. Grapefruit may increase the amount of IBRANCE in your blood.
- If you miss a dose of IBRANCE or vomit after taking a dose of IBRANCE, do not take another dose on that day. Take your next dose at your regular time.
- IBRANCE may cause fertility problems in males. This may affect your ability to father a child.
- Insert text hereIf you take too much IBRANCE, call your healthcare provider right away or go to the nearest hospital emergency room.
- Females who are able to become pregnant and who take IBRANCE should use effective birth control during treatment and for at least 3 weeks after stopping IBRANCE
- Males who are taking IBRANCE, with female partners who can become pregnant should use effective birth control during treatment with IBRANCE for 3 months after the final dose of IBRANCE
Ask your healthcare provider if you do not know.
What should I tell my healthcare provider before taking IBRANCE?
Before you take IBRANCE, tell your healthcare provider if you:
- Have fever, chills, or any other signs or symptoms of infection
- Have liver or kidney problems.
- Have any other medical conditions.
- Are pregnant, or plan to become pregnant. IBRANCE can harm your unborn baby.
- Females who are able to become pregnant and who take IBRANCE should use effective birth control during treatment and for at least 3 weeks after stopping IBRANCE.
- Males who are taking IBRANCE, with female partners who can become pregnant should use effective birth control during treatment with IBRANCE for 3 months after the final dose of IBRANCE.
- Talk to your healthcare provider about birth control methods that may be right for you during this time.
- If you become pregnant or think you are pregnant, tell your healthcare provider right away.
- Are breastfeeding or plan to breastfeed. It is not known if IBRANCE passes into your breast milk. You and your healthcare provider should decide if you will take IBRANCE or breastfeed. You should not do both.
Tell your healthcare provider about all of the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements. IBRANCE and other medicines may affect each other causing side effects.
General information about IBRANCE
Medicines are sometimes prescribed for purposes other than those listed in a Patient Information leaflet. Do not use IBRANCE for a condition for which it was not prescribed. Do not give IBRANCE to other people, even if they have the same symptoms you have. It may harm them.
What are the ingredients in IBRANCE?
Active ingredient: Palbociclib
Inactive ingredient: Microcrystalline cellulose, lactose monohydrate, sodium starch glycolate, colloidal silicon dioxide, magnesium stearate, and hard gelatin capsule shells.
Light orange, light orange/caramel and caramel opaque capsule shells contain: gelatin, red iron oxide, yellow iron oxide, and titanium dioxide.
