Afatinib Dimaleate

There has been a lot of interest in the drug afatinib dimaleate in the area of oncology, especially for its use in treating certain types of cancer. It stops the growth and spread of cancer by stopping certain proteins in cancer cells. This is how a tyrosine kinase inhibitor (TKI) works. This piece will talk about how afatinib dimaleate works, when it should be used, any side effects it might cause, and other important information about it.

How it works?

It’s important to know what tyrosine kinases do in cancer in order to understand how afatinib dimaleate works. Tyrosine kinases are enzymes that are very important for cell communication, which controls many things that cells do, like growing and dividing. When someone has cancer, these proteins work too much, which lets cells grow out of control and forms tumors.

Afatinib dimaleate is an irreversible ErbB family blocker, which is a type of medicine. Multiple receptors, such as epidermal growth factor receptor (EGFR), human epidermal growth factor receptor 2 (HER2), and HER4, are permanently blocked. In this way, it interferes with the signaling processes that help cancer cells grow and stay alive.

How to use?

Afatinib dimaleate is mostly used to treat non-small cell lung cancer (NSCLC) and invasive breast cancer, which are both advanced or spread to other parts of the body. It is often given to people with NSCLC whose tumors have certain changes in the EGFR gene, like exon 19 deletions or exon 21 (L858R) replacement mutations.

Afatinib dimaleate may be suggested for people with advanced breast cancer who have HER2-positive tumors and have already had other HER2-targeted treatments, like trastuzumab. People usually take it with other medicines, but sometimes they just take it by itself, based on their condition and treatment history.

Dosage and Administration

The amount of afatinib dimaleate that a person needs to take can change based on their cancer type, general health, and any other medicines they may be taking at the same time. Tablets should be taken once a day, with or without food. This is how it is usually given internally.

It is very important for patients to carefully follow their doctor’s advice about how to take and dose afatinib dimaleate. Going against the recommended schedule can make the medicine less effective and may raise the risk of side effects.


Like all medicines, afatinib dimaleate can have side effects, some of which may be serious and need medical help. Some common side effects are diarrhea, rashes, feeling sick, throwing up, being tired, and losing your hunger. Most of the time, these side effects aren’t too bad, and they get better as the body gets used to the medicine.

But some patients may have more dangerous side effects that need to be treated right away by a doctor. These can include severe diarrhea or dehydration, trouble breathing, chest pain, an irregular heartbeat, serious skin reactions, or jaundice, which is a sign of a problem with the liver.

Patients must tell their healthcare source right away about any side effects they are having. Depending on how bad the side effects are and what kind they are, the dose or treatment plan may need to be changed.


People who want to start taking afatinib dimaleate should tell their doctor about any health problems they already have, like liver or kidney disease, heart issues, or a history of lung disease. Also, they should say what other drugs, supplements, or herbal treatments they are taking because they might not work well with afatinib dimaleate.

Women who are pregnant or nursing should not take afatinib dimaleate because it could hurt the growing baby or nursing infant. Women who can have children should use effective birth control while they are getting treatment and for a while afterward, because the medicine can hurt the unborn child.


Afatinib dimaleate is a strong drug that has been shown to help treat some types of advanced or metastasized cancers, mainly NSCLC and metastatic breast cancer. It can help slow down or stop the disease from getting worse by blocking certain proteins that help cancer cells grow and stay alive.

However, afatinib dimaleate does come with some risks, just like any other cancer medicine. Patients should be aware of the possible side effects and safety concerns that come with the medicine, and they should work closely with their doctor to deal with any problems that may arise.

Overall, afatinib dimaleate is a useful addition to the arsenal of cancer treatments and gives hope to people who are dealing with these tough illnesses. Ongoing research and clinical trials are looking into its possible uses and improving how it is used in different cancer settings. The end goal is to improve the outcomes and quality of life for people who have these conditions.

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  • March 20th, 2024

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