Why is this medication prescribed?

Imbruvica (generic name: ibrutinib) is a prescription medication used for the treatment of certain types of cancer and blood disorders. It is primarily prescribed for the following conditions:

• Chronic Lymphocytic Leukemia (CLL): Imbruvica is approved for the treatment of CLL, which is a type of cancer that affects the white blood cells. It is prescribed in combination with other medications or as a single agent, depending on the specific situation.
• Mantle Cell Lymphoma (MCL): Imbruvica is also used to treat MCL, a rare and aggressive type of non-Hodgkin’s lymphoma. It may be prescribed as an initial treatment or for patients who have received prior therapy.
• Waldenström’s Macroglobulinemia (WM): Imbruvica is approved for the treatment of WM, which is a type of non-Hodgkin’s lymphoma that affects plasma cells in the bone marrow. It can be prescribed as a first-line treatment or for patients who have received prior therapy.
• Marginal Zone Lymphoma (MZL): Imbruvica is used for the treatment of MZL, a type of B-cell lymphoma that develops in the marginal zone of lymphoid tissues. It may be prescribed for patients who have received at least one prior therapy.

Imbruvica works by inhibiting a specific protein called Bruton’s tyrosine kinase (BTK), which plays a role in the growth and survival of cancer cells.

How should this medicine be used?

Here are some general guidelines for using Imbruvica:

• Take Imbruvica as prescribed: It’s important to take Imbruvica exactly as instructed by your doctor. Follow the prescribed dosage, frequency, and duration of treatment. Do not alter the dosage or stop taking the medication without consulting your healthcare provider.
• Swallow the capsules whole: Imbruvica is available in capsule form. Swallow the capsules whole with a glass of water. Do not open, crush, or chew the capsules unless specifically directed by your doctor.
• Take it at the same time each day: To maintain a consistent level of the medication in your body, try to take Imbruvica at the same time every day. This helps ensure its effectiveness.
• Avoid grapefruit and Seville oranges: Imbruvica can interact with grapefruit and Seville oranges, leading to increased levels of the medication in your blood. This can potentially increase the risk of side effects. Therefore, it is advisable to avoid consuming grapefruit or Seville oranges while taking Imbruvica.
• Keep up with your regular appointments: Your doctor will monitor your progress and adjust the dosage or treatment plan if necessary. It’s important to keep all scheduled appointments and inform your doctor of any changes in your health or any side effects you may be experiencing.
• Do not change or stop the medication without consulting your doctor: Imbruvica may be prescribed for a specific duration of treatment. It’s crucial not to change or discontinue the medication without consulting your healthcare provider, even if you start feeling better. They will assess your response to the medication and determine the appropriate course of action.
• Inform your doctor about other medications and supplements: Before starting Imbruvica, inform your doctor about all the medications, supplements, and herbal products you are currently taking. Some medications and substances can interact with Imbruvica and affect its effectiveness or increase the risk of side effects.

Always consult your healthcare professional for personalized instructions on how to use Imbruvica based on your specific condition and medical history. They will provide you with the most accurate and up-to-date information regarding its use.

Other uses for this medicine

However, Imbruvica may also have other uses and is sometimes prescribed off-label for certain conditions.

• Graft-versus-host disease (GVHD): Imbruvica has shown effectiveness in treating chronic graft-versus-host disease, a complication that can occur after stem cell transplantation.
• Diffuse large B-cell lymphoma (DLBCL): In some cases, Imbruvica may be used as part of combination therapy for DLBCL when other treatments have failed.
• Other lymphomas: Imbruvica has shown potential in the treatment of other types of lymphomas, such as primary central nervous system lymphoma (PCNSL) and T-cell lymphomas. However, more research is needed to establish its efficacy in these conditions.

What special precautions should I follow?

Regarding special precautions, it is crucial to follow your healthcare provider’s instructions and discuss your medical history, current medications, and any allergies before starting Imbruvica. Here are some general precautions associated with Imbruvica:

• Bleeding risk: Imbruvica can increase the risk of bleeding and bruising. Inform your healthcare provider if you have a bleeding disorder or if you’re taking blood thinners.
• Infections: Imbruvica may suppress the immune system, making you more susceptible to infections. It’s important to report any signs of infection, such as fever, cough, or unusual fatigue, to your doctor.
• Drug interactions: Imbruvica can interact with certain medications, including blood thinners, antiplatelet drugs, and strong CYP3A4 inhibitors or inducers. Make sure to inform your healthcare provider about all the medications you’re taking.
• Pregnancy and breastfeeding: Imbruvica may harm an unborn baby, so it should be avoided during pregnancy. It is also not recommended while breastfeeding, as it may pass into breast milk.
• Hepatic and renal impairment: Imbruvica may require dosage adjustment or special monitoring in patients with liver or kidney problems. Your healthcare provider will determine the appropriate dosage for you.

It’s essential to consult with your healthcare provider for detailed information on precautions, side effects, and specific recommendations related to your individual situation.

What special dietary instructions should I follow?

There are no specific dietary restrictions associated with taking Imbruvica (ibrutinib). However, it’s generally recommended to maintain a healthy and balanced diet while undergoing cancer treatment to support overall well-being and help manage potential side effects. Your healthcare provider or a registered dietitian can provide personalized dietary recommendations based on your specific needs.

What should I do if I forget a dose?

If you forget to take a dose of Imbruvica, it is generally advised to take the missed dose as soon as you remember, unless it is close to the time for your next scheduled dose. In that case, you should skip the missed dose and continue with your regular dosing schedule. It’s important not to take a double dose to make up for a missed one.

What side effects can this medication cause?

Like any medication, Imbruvica can cause side effects. Here are some of the commonly reported side effects:

• Diarrhea: Diarrhea is a common side effect of Imbruvica and may range from mild to severe. It is important to stay hydrated and inform your healthcare provider if you experience persistent or severe diarrhea.
• Nausea and vomiting: Some people may experience nausea and vomiting while taking Imbruvica. Medications to manage these symptoms can be prescribed if needed.
• Fatigue: Fatigue or tiredness is a common side effect of Imbruvica. It is important to get plenty of rest and conserve energy while taking this medication.
• Bruising and bleeding: Imbruvica can affect platelet function, which may lead to an increased risk of bruising and bleeding. Inform your healthcare provider if you notice unusual bruising or bleeding.
• Infections: Imbruvica may lower the ability of your immune system to fight infections, making you more susceptible to infections. Inform your healthcare provider if you develop signs of infection, such as fever, chills, or persistent sore throat.
• High blood pressure: Imbruvica can cause an increase in blood pressure. Regular monitoring of blood pressure is usually recommended during treatment.
• Atrial fibrillation: In some cases, Imbruvica has been associated with an increased risk of developing atrial fibrillation, a heart rhythm disorder. Inform your healthcare provider if you experience palpitations, shortness of breath, or dizziness.
• Rash and skin reactions: Skin rash, itching, and other skin reactions have been reported with Imbruvica. If you develop a rash or any other skin-related symptoms, notify your healthcare provider.
• Muscle and joint pain: Some individuals may experience muscle and joint pain while taking Imbruvica. If the pain is severe or persistent, inform your healthcare provider.

It is important to note that this list is not exhaustive, and other side effects may occur. It’s essential to consult with your healthcare provider for a complete list of potential side effects and to discuss any concerns you may have before starting treatment with Imbruvica.

What should I know about storage and disposal of this medication?

1. Storage:
   • Imbruvica should be stored at room temperature, generally between 68°F and 77°F (20°C and 25°C).
   • Keep the medication in its original container, tightly closed, and away from moisture and direct sunlight.
   • Do not store Imbruvica in the bathroom or any place where it might be exposed to excessive humidity or heat.
2. Disposal:
   • Dispose of any unused or expired Imbruvica tablets safely and in accordance with local regulations.
   • Do not flush Imbruvica down the toilet or pour it into a drain unless specifically instructed to do so.
   • If you are unsure about the proper disposal method, consult your healthcare provider, pharmacist, or local waste disposal authority.

In case of emergency/overdose

• In case of an emergency or suspected overdose, call your local emergency services or go to the nearest emergency room immediately.
• If possible, bring the medication container or label with you to provide necessary information to healthcare professionals.

What other information should I know?

• Imbruvica is a prescription medication, so it should only be used under the supervision and guidance of a healthcare professional.
• Inform your doctor about any other medications, vitamins, or supplements you are taking, as they may interact with Imbruvica.
• It’s important to follow the dosing instructions provided by your doctor and not to exceed the prescribed dosage.
• If you miss a dose of Imbruvica, take it as soon as you remember, unless it is almost time for your next scheduled dose. In that case, skip the missed dose and continue with your regular dosing schedule.
• Imbruvica can have side effects, so it’s essential to report any unusual or severe symptoms to your doctor promptly.
• Attend all scheduled appointments with your healthcare provider to monitor your progress and discuss any concerns.

Remember, this information is a general overview, and it’s important to consult your healthcare provider or pharmacist for specific instructions and guidance regarding Imbruvica storage, disposal, and emergency situations.