Treatment FAQ

what is the best treatment for her2-positive breast cancer

by Dr. Jaylin Mosciski III Published 2 years ago Updated 2 years ago
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Other HER2-positive breast cancer treatments can include:

  • Trastuzumab emtansine (Kadcyla): A form of targeted chemotherapy.
  • Lapatinib (Tykerb): A chemical that targets HER2-positive breast cancer cells.
  • Neratinib (Nerlynx): A kinase inhibitor that blocks certain enzymes that promote cell growth.

Trastuzumab is given intravenously (with an IV) weekly or every 3 weeks. As an adjuvant therapy, one year of treatment of treatment is typical. Multiple studies show that trastuzumab can dramatically improve survival. In fact, trastuzumab-based treatments for HER2+ breast cancer are considered the gold standard.Feb 7, 2022

Full Answer

What treatment is the best for breast cancer?

Mar 27, 2021 · Treatment of early-stage HER2-positive breast cancer is similar to that of HER2-negative breast cancer, but it usually also includes a HER2-targeted drug such as Herceptin. Surgery A lumpectomy or mastectomy is typically recommended to remove the tumor in early-stage breast cancer.

Why is triple negative breast cancer so hard to treat?

Jan 24, 2022 · Enhertu is used for the treatment of adult patients with unresectable or metastatic HER2 positive breast cancer who have been treated previously for their metastatic cancer. It is a combination of an anti-HER2 medicine that has the same basic structure as Herceptin, the chemotherapy medicine topoisomerase I inhibitor, and deruxtecan, a compound that links the …

What you should know about HER2+ breast cancer survival rates?

Jan 08, 2020 · UPDATE: On April 17, 2020, the Food and Drug Administration (FDA) approved tucatinib (Tukysa) to treat people with HER2-positive advanced breast cancer. The drug is approved for use in combination with trastuzumab (Herceptin) and capecitabine (Xeloda) by patients whose cancer cannot be removed surgically or has spread to other parts of the body …

Which is the best therapy for breast cancer patients?

Pertuzumab (Perjeta) treats HER2-positive early breast cancer, usually in combination with trastuzumab and chemotherapy. It’s FDA-approved for neoadjuvant and adjuvant treatment.

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What is the survival rate for HER2-positive breast cancer?

The survival rate at four years among women with HR+/HER2− is estimated to be 92.5%, followed by HR+/HER2+ at 90.3%, HR−/HER2+ at 82.7%, and HR−/HER2− at 77.0% [1]. The HER2 (human epidermal growth factor receptor 2) oncogene is positive in about 20% of primary invasive breast cancers [2].Jul 28, 2020

Is chemo necessary for HER2-positive?

Trastuzumab and chemotherapy are even recommended for women with very small, HER2-positive breast cancers. Tumors as small as 0.5 cm often warrant such treatment. However, decisions must be individualized based on your own individual risk.Mar 22, 2021

What is the new drug for HER2-positive breast cancer?

Since 2013, trastuzumab emtansine, commonly abbreviated as T-DM1, has been the preferred second-line treatment for people with metastatic breast cancer that overproduces the HER2 protein, known as HER2-positive breast cancer.Oct 19, 2021

What is the standard of care for HER2-positive breast cancer?

“For most patients with stage I HER2-positive breast cancer, taxane plus trastuzumab remains the standard of care, with excellent 7-year disease-free survival rates of about 93%. For most stage II to III HER2-positive breast cancers, trastuzumab/pertuzumab-based therapy has become a standard option.Dec 10, 2018

Can HER2-positive be cured?

With recent advances in medicine, it is considered that HER2-positive breast cancer is curable. Targeted therapy is used to cure HER2-positive breast cancer. However, surgery, radiation therapy, chemotherapy and hormonal therapy may also be combined with targeted therapy depending on cancer aggressiveness.Apr 9, 2021

What triggers HER2?

In about 25 percent of breast cancers, the cancer cells have an excess of the HER2 protein. This is caused by a mutation in the HER2 (human epidermal growth factor receptor 2) gene. When the HER2 gene mutates, it causes cells in the breast to grow and divide at an uncontrolled rate, leading to tumor growth.

What is the second line treatment for HER2-positive breast cancer?

Lapatinib, a dual tyrosine kinase inhibitor that inhibits the HER2 receptor pathway and the epidermal growth factor receptor (EGFR), is an additional anti-HER2 therapeutic option for second-line, HER2-positive, MBC patients.Sep 16, 2015

Is HER2-positive breast cancer a death sentence?

Current treatment algorithms for invasive HER2-positive disease has transformed the face of a disease with a death sentence to one with prolonged and overall survival benefit.May 16, 2018

Is HER2-positive breast cancer considered metastatic?

About 20% of breast cancers are HER2-positive. They usually grow quicker than other types of cancer. Metastatic HER2-positive breast cancer has spread beyond the breast to other parts of the body.Dec 10, 2020

How long is chemo for HER2-positive?

Cycles can last anywhere from about two to four weeks, depending on the combination of drugs. Chemotherapy generally lasts about three to six months. The total length of chemotherapy treatment may vary depending on the stage of breast cancer and a number of other factors.

Does radiation help HER2-positive breast cancer?

Radiation Therapy Omission Not Advised in Early-Stage HER2+ Breast Cancer. In a retrospective review published in NPJ Breast Cancer, data indicate that omitting radiation therapy results in decreased overall survival in patients with stage I HER2-positive breast cancer.Apr 4, 2021

What is the best type of breast cancer to have?

It occurs when cancer cells within the milk duct of the breast produce mucous, which also contains breast cancer cells. The cells and mucous combine to form a tumor. Pure mucinous ductal carcinoma tends to grow slowly, and has a better prognosis than some other types of IDCs.

What drugs are HER2 targeted?

Other HER2-targeted TKIs include neratinib (Nerlynx) and lapatinib (Tykerb). Some TKIs have multiple targets.

What is the treatment for metastatic breast cancer?

Two new treatment options are emerging for women with metastatic breast cancer, following positive results from clinical trials. The trials tested the drugs tucatinib and trastuzumab deruxtecan ( Enhertu) in women who had been previously treated for metastatic breast cancer that overproduces the HER2 protein, known as HER2-positive breast cancer.

When was Tukysa approved?

UPDATE: On April 17, 2020, the Food and Drug Administration (FDA) approved tucatinib (Tukysa) to treat people with HER2-positive advanced breast cancer. The drug is approved for use in combination with trastuzumab (Herceptin) and capecitabine (Xeloda) by patients whose cancer cannot be removed surgically or has spread to other parts of the body ...

What is the ADC of Trastuzumab?

Trastuzumab deruxtecan, meanwhile, is one of a class of drugs called antibody‒drug conjugates (ADCs), which consist of a monoclonal antibody chemically linked to a cell-killing drug. Another ADC, trastuzumab emtansine (Kadcyla), or T-DM1, is already a standard treatment for metastatic HER2-positive breast cancer.

Is HER2 a tumor?

Breast cancers that are HER2-positive tend to be aggressive, with the excess HER2 protein on tumor cells fueling the cancer’s growth . In the late 1990s, trastuzumab was among the first targeted cancer therapies to be approved by FDA, after trials showed it could improve survival in women with metastatic HER2-positive breast cancer.

Who makes trastuzumab deruxtecan?

Under an accelerated approval, the drug’s manufacturer, Daiichi Sankyo, and AstraZeneca, with which it has a global commercialization agreement, must conduct further studies of trastuzumab deruxtecan to confirm that it benefits patients.

Does tucatinib cause diarrhea?

Several side effects were more common in women in the tucatinib group, including diarrhea , vomiting, and fatigue. Severe diarrhea was also more frequent in women treated with tucatinib. Even so, less than 6% of patients in the tucatinib group stopped treatment because of side effects.

How to treat HER2 positive breast cancer?

Treatment for early-stage HER2-positive breast cancer will likely include some combination of surgery, targeted therapy, chemotherapy, and possibly other therapies. What’s right for you will depend on your wants and needs. There are three typical treatment strategies:

What is the best treatment for breast cancer?

Targeted Therapy: Kinase Inhibitors. Kinase inhibitors block the action of HER2 and other kinase proteins that help cancer cells grow. Neratinib (Nerlynx) is a kinase inhibitor used to treat HER2-positive early breast cancer after receiving a year of trastuzumab. It is a pill that is taken daily.

What is the HER2 subtype?

About one in five people with breast cancer have the HER2+ subtype. If your breast cancer is of the HER2+ subtype, your tumor has high levels of a protein called human epidermal growth factor receptor 2 (HER2). HER2 plays a role in the growth of cancer cells, which is why HER2+ breast cancer tends to be aggressive.

What is the difference between neoadjuvant and adjuvant?

Neoadjuvant: Refers to treatment given before surgery. The goal is to shrink the tumor before removing it. Adjuvant: Refers to treatment given after surgery. The goal is to destroy cancer cells that might remain in the body. Targeted therapy: Medication that blocks the growth of specific cancer cells.

Is Perjeta a neoadjuvant?

Pertuzumab (Perjeta) treats HER2-positive early breast cancer, usually in combination with trastuzumab and chemotherapy. It’s FDA-approved for neoadjuvant and adjuvant treatment. Neoadjuvant use: For people with HER2+ breast cancer that is locally advanced, inflammatory, or early-stage. Adjuvant use: For people with HER2+ early breast cancer that’s ...

What is the treatment for cancer?

Hormone-driven. If your cancer is hormone receptor-positive, your doctor may also offer you endocrine therapy .

Can breast cancer grow without estrogen?

More than half of breast cancers feed on estrogen to grow. (The other half can grow without it.) If your cancer is estrogen-dependent, endocrine therapy can cut off or limit the cancer cells’ estrogen “food supply.”. Radiation therapy. A beam of high-energy X-rays can slow or stop cancer cell growth.

What does HER2 mean in cancer?

Can you tell me what this means? HER2-positive breast cancer is a breast cancer that tests positive for a protein called human epidermal growth factor receptor 2 (HER2). This protein promotes the growth of cancer cells. In about 1 of every 5 breast cancers, the cancer cells have extra copies of the gene that makes the HER2 protein.

Can chemo help with HER2?

Certain standard chemotherapy drugs also can be effective in treating HER2 -positive breast cancers, although these drugs don't specifically target the HER2 protein. Experts recommend that every invasive breast cancer be tested for the presence of HER2 because the results significantly impact treatment recommendations and decisions.

Is HER2 positive breast cancer good?

HER2 -positive breast cancers tend to be more aggressive than other types of breast cancer. Treatments that specifically target HER2 are very effective. These treatments are so effective that the prognosis for HER2 -positive breast cancer is actually quite good. Certain standard chemotherapy drugs also can be effective in treating HER2 -positive ...

Why is breast cancer HER2 positive?

Because your breast cancer is HER2-positive, that makes a difference in how your doctor will treat it. This type of the disease doesn't respond well to the hormone treatments that work for other forms of breast cancer. But there are kinds of medicines for it. Doctors call these drugs “targeted treatments.

Can you ignore medical advice?

Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911. This tool does not provide medical advice. See additional information.

Is a medical diagnosis a substitute for medical advice?

It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health.

What is the best treatment for HER2 positive breast cancer?

Your oncology team may refer to these medications as “targeted therapy” or “HER2-directed therapy.”. Trastuzumab (Herceptin) and pertuzumab (Perjeta) are the most commonly used drugs used to treat HER2-positive breast cancer.

What is the first line of treatment for HER2?

If you have HER2-positive breast cancer, first-line treatment will likely include a targeted drug and chemotherapy. Ask your oncology team any questions you have about targeted therapies, chemotherapy, and your treatment schedule. Last medically reviewed on April 15, 2019.

What are the side effects of chemo?

Side effects depend on the types and doses of chemotherapy drugs prescribed by your oncology team. Common chemotherapy side effects include: 1 hair loss 2 nausea and vomiting 3 fatigue or extreme tiredness 4 loss of appetite 5 bleeding or bruising 6 anemia (low red blood cell count) 7 low white blood cell count 8 rash 9 numbness and/or tingling in fingers or toes 10 taste changes

What to do if you have HER2?

If you have HER2-positive breast cancer, your oncology team will prescribe a combination of anticancer drugs. This treatment regimen will likely include a few different chemotherapy drugs as well as therapy that specifically targets HER2-positive breast cancers.

How long does chemo last?

Chemotherapy generally lasts about three to six months. The total length of chemotherapy treatment may vary depending on the stage of breast cancer and a number of other factors.

What is chemo therapy?

What is chemotherapy? Chemotherapy, or chemo, is the use of medicines to kill cancer cells and stop new ones from growing. Cancer cells multiply very quickly, so chemotherapy drugs target cells in the body that grow and divide very quickly. Other cells in the body, including those in the bone marrow, the lining of the mouth and gut, ...

How long does HER2 therapy last?

Herceptin alone is usually continued after chemotherapy has finished, every three weeks for a total of one year.

What is the difference between HER2 and HER2?

HER2-positive breast cancers have abnormally high levels of HER2 receptors, whereas HER2-negative breast cancers don’t. There are a few differences between HER2-positive and HER2-negative breast cancers, including the tumor's risk factors, its biology, and its anticipated aggressiveness. HER2 status, along with a tumor's hormone status ...

How long does estrogen receptor positive breast cancer last?

With estrogen receptor positive breast cancers, the cancer is more likely to recur after 5 years than in the first 5 years, and the risk of recurrence remains steady each year for at least 20 years following the diagnosis.

What is the protein that causes breast cancer?

Tumor Behavior. Risk Factors. Diagnosis. Treatment. Human epidermal growth factor receptor 2 (HER2) proteins are found on the surface of breast cells and are involved in normal cell growth. Too much HER2 protein, however, can cause some types of breast cancer to grow and spread.

Does estrogen affect breast cancer?

For example, with estrogen receptor-positive breast cancer, estrogen binds to specific receptors on breast cancer cells, stimulating proliferation. Similarly, HER2 receptors on the surface of breast cancer cells are stimulated by HER2 protein, promoting the growth and spread of breast cancer. It's important to note, however, ...

What is the grade of a breast tumor?

HER2-positive tumors are more likely to have a tumor grade of three.

Is HER2 positive or negative?

HER2-positive breast cancers are more likely to spread to lymph nodes. As such, the stage at diagnosis may also be higher than for HER2-negative tumors, which can impact survival. 2 

What is the purpose of a breast biopsy?

A breast biopsy is used to determine HER2 status. The biopsy can be sent for laboratory testing with an immunohistochemistry test. The fluorescence in situ hybridization test looks for the HER2 gene in breast cancer cells.

How long does it take for HER2 to recur?

Recurrence can happen anytime, but it usually takes place within 5 years of treatment. The good news is that recurrence is less likely today than ever before.

What is HER2 gene?

In some pathology reports, HER2 is referred to as HER2/neu or ERBB2 (Erb-B2 receptor tyrosine kinase 2) . Hormone receptors are identified as estrogen (ER) and progesterone (PR). The HER2 gene creates HER2 proteins, or receptors. These receptors help control the growth and repair of breast cells.

What are the benefits of trastuzumab?

Overall, using trastuzumab in combination with other treatment interventions, such as chemotherapy, is associated#N#Trusted Source#N#with: 1 longer survival 2 lower 1-year death rate 3 longer disease-free progression, which is when the cancer is still present but doesn’t get worse 4 a high response rate to treatment 5 a longer response to treatment

What is the test for breast cancer?

When you have a breast biopsy, the tissue is tested for hormone receptors (HR). It’s also tested for something called human epidermal growth factor receptor 2 (HER2). Each can be involved in the development of breast cancer.

How many women will die from breast cancer in 2020?

Life expectancy and outlook. In the United States, it’s estimated that more than 42,000 women will die from breast cancer in 2020. However, it’s important to know that aspects like life expectancy and your outlook can vary greatly based off many individual factors.

Can HER2 be treated?

According to the American Cancer Society, HER2-positive breast cancers are much more likely to respond to drugs that target the HER2 protein, despite the fact that they can grow and spread quickly. This type of treatment is called targeted therapy. We’ll discuss it in more detail in a bit.

What is Ado-Trastuzumab emtansine?

Ado-trastuzumab emtansine (Kadcyla) This drug combines trastuzumab with a chemotherapy drug called emtansine. Trastuzumab delivers emtansine directly to the HER2-positive cancer cells. It can be used to extend survival in those with metastatic breast cancer or breast cancer that’s returned.

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