Generic name: abemaciclib
Brand name: Verzenio
Dosage forms: oral tablet (100 mg; 150 mg; 200 mg; 50 mg)
Drug class: CDK 4 / 6 inhibitors


What is abemaciclib?


Abemaciclib can be used to treat hormonally-related breast cancer that is advanced due to hormones. Abemaciclib is prescribed for this disease only if your tumor is negative for a protein known as human epidermal Growth Factor receptor 2 (HER2). The HER2 protein is able to speed up the growth of cancer cells.

Abemaciclib can be given in conjunction in conjunction with other cancer drugs.

Abemaciclib can also be prescribed for reasons that aren’t listed in this guideline.


Abemaciclib is known to create serious diarrhea and could result in the loss of fluids or even infection. Contact your doctor as soon as you notice diarrhea. Drink extra fluids and take anti-diarrhea medications like Loperamide ( Imodium).

Abemaciclib could cause liver issues, or even serious, sometimes even deadly infections. Call your doctor immediately if you experience symptoms like chills, fever, easy bleeding or bruising, hunger, fatigue or stomach pain on the right side chest discomfort, breathlessness rapid breathing, fast heartbeats, pain or swelling in your legs or arms.

To summarize, the following points should be kept it might

Before taking this medication, you must consult your physician

Abemaciclib is not a good choice in case you have an allergy to it.

Speak to your doctor if were ever diagnosed with:

You might need to undergo an unfavorable pregnancy test prior to beginning this treatment.

Abemaciclib use during pregnancy can affect the unborn baby. Utilize effective birth control to avoid pregnancy while using abemaciclib for at least three weeks after treatment is over. Tell your doctor immediately if you are pregnant at this point.

It is not recommended to feed your baby while taking this medication and for at least three weeks after the last dose.

How to take abemaciclib?

Follow the instructions on the prescription label and review all medication guides and instructions sheets. The doctor might alter your dosage. Make sure you take the medication precisely as directed.

The medicine should be taken daily at the same time every day, whether with food.

Suck the tablet completely and make sure you don’t crush, chew or break it.

If you experience vomiting shortly after having taken abemaciclib, don’t take a dose again. You must wait until the next dose is scheduled to take the medicine once more.

Drink plenty of fluids when you take abemaciclib.

Abemaciclib can trigger severe diarrhea that can be life-threatening if it causes infection or dehydration.

If you experience diarrhea after taking abemaciclib, begin taking anti-diarrhea medications like loperamide (Imodium) to treat diarrhea. Drink plenty of fluids and consult your doctor.

Abemaciclib may decrease blood cells, which help your body fight off infections and assist in the clotting of blood. Your blood needs to be checked frequently. The treatment for cancer may be delayed based on outcomes of the tests.

Place in a cool, dry place free of heat and moisture.

If I don’t take the dose?

Do not take the medicine for as long as you are able, but do not take your missed dosage if it’s close to the time of the next dose. Don’t have two doses in one time.

If I take too much?

For medical emergencies, seek emergency medical attention or contact for help at the Poison Help line at 1-800-222-1222.

What should I stay clear of while using abemaciclib?

Grapefruit can interfere with abemaciclib and can lead to adverse consequences. Beware of the use of grapefruit-related products.

Abemaciclib side effects

Contact a medical professional immediately If you are experiencing symptoms warning signs of an allergic reaction, such as an allergic reaction that causes hives or breathing difficulties and swelling of your lips, face, or tongue.

Contact your doctor immediately If you are suffering from:

The treatment for cancer may be delayed or completely stopped when you experience certain adverse side consequences.

Common side effects could be:

This is not a comprehensive list of all side effects. other effects may also be present. Contact your doctor to seek medical advice on adverse effects. You can report any side effects to the FDA at 1-800-FDA-1088.

Abemaciclib dosing information

Usual Adult Dose for Breast Cancer:

In combination with Fulvestrant or Aromatase inhibitor  

150 mg orally, 2 times every day


200 mg taken orally twice every day

Time of Therapy: Up to the disease progresses or toxicity is unacceptable.

If using this drug in combination with fulvestrant on pre/perimenopausal women, treat these patients with a gonadotropin-releasing hormone agonist according to current clinical practice standards.
If used in conjunction with this medication The recommended dosage for the drug is 500 mg for days 1 15, 29, and 31 Then, once a month after that consult the manufacturer’s details for the product fulvestrant.

In conjunction with an inhibitor of aromatase, as a first-line endocrine-based treatment for women who are postmenopausal and have hormone receptor (HR)-positive human epidermal factor receptor 2 (HER2)-negative advanced or metastatic breast cancer.
In combination with fulvestrant, for women who are hormone receptor (HR)-positive human epidermal growth factor receptor 2 (HER2)-negative advanced or metastatic breast cancers that have progressed in disease following the use of endocrine therapies
As monotherapy for adults with HER2-negative, HR-positive metastatic or advanced breast cancer that has progressed after endocrine therapy or previous treatment for metastatic cancer

What other medications can affect abemaciclib?

It is sometimes not recommended to take certain medicines simultaneously. Certain drugs may affect the blood levels and levels of other drugs you are taking, which could create side effects or render the medication less effective.

Inform your doctor about your other medications including:

This list is not comprehensive. Other medications can interfere with abemaciclib, such as prescription and over-the-counter medicines, vitamins, and herbal products. Some interactions with drugs are not listed here. are listed here.


Additional details

Keep this and other medications away from the reach of children. Never let your medications be shared with anyone else Use this medicine only in the manner prescribed by your doctor.

Always consult your doctor to make sure the information presented on this page is applicable to your specific situation.

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