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Palbociclib

Uses

Palbociclib Uses Palbociclib is used in the treatment of breast cancer. It is also used to treat patients with specific types of breast cancer, including estrogen receptor-positive and human epidermal growth factor receptor 2-negative, that have spread to other organs. It is administered in conjunction with hormonal anticancer therapies.

How it Works

How Palbociclib works Palbociclib is an anti-cancer medication. Cyclin-dependent kinases 4 and 6, which are chemical messengers, are downstream of signaling pathways that lead to cell proliferation. This medication works by inhibiting cyclin-dependent kinases 4 and 6, thereby arresting the cancer cell cycle. Additionally, it targets estrogen receptor-positive breast cancer cells by disrupting the cell cycle.

Side Effects

Common side effects of Palbociclib include fatigue, hair loss, rash, vomiting, diarrhea, nausea, decreased appetite, infection, stomatitis (inflammation of the mouth), anemia (low red blood cell count), weakness, fever, and decreased white blood cell count.

Expert Advice

  • Take it with food, preferably at the same time every day.
  • If you forget to take the medicine or vomit, skip the missed dose and continue with your regular schedule.
  • Do not take a double dose to compensate for a missed dose.
  • Use an effective contraception method to prevent pregnancy while taking this medicine.
  • This medication may cause dizziness; avoid driving or engaging in activities that require mental focus until you know how it affects you.
  • You may be required to have regular blood tests while taking this medication.
  • Inform your doctor if you notice symptoms of infection, such as fever, chills, or weakness.
  • Notify your doctor if you are pregnant, planning to become pregnant, or breastfeeding.
  • Do not stop taking the medication without consulting your doctor first.

Other Combinations

Frequently asked questions

Palbociclib is an anti-cancer medication that inhibits cyclin-dependent kinases to slow cancer cell growth and progression.
Palbociclib is usually taken once daily for 21 days, followed by a 7-day break. It should be taken with food, at the same time each day, and the capsules must be swallowed whole.
Palbociclib may affect male fertility, so men are advised to consider sperm preservation before starting treatment.
Most side effects of Palbociclib are reversible and resolve after discontinuation of the medication, including neutropenia, which increases infection risk but improves quickly once treatment stops.
The treatment duration varies by individual and is determined by your doctor based on your condition, treatment response, and side effect tolerance.
Yes, women of childbearing potential and their partners should use effective contraception during treatment and for at least 3 weeks after, while men should use birth control for at least 14 weeks post-therapy.
Serious side effects may include shortness of breath, dizziness, weakness, unusual bleeding or bruising, fever, chills, and fast or irregular heartbeat. Seek immediate medical attention if these occur.
Yes, regular blood tests are essential to monitor the impact of Palbociclib on blood cell counts, typically conducted at the start of each chemotherapy cycle and as needed.
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