Abemaciclib was approved by FDA for treating postmenopausal women with certain types of breast cancer in combination with aromatase inhibitors in whom cancer has progressed despite the endocrine therapy.
- Abemaciclib is approved by FDA for treating women with hormone receptor (HR) 2 positive, human epidermal growth factor receptor (HER) 2 negative advanced or metastatic breast cancer.
- It can be treated as a monotherapy or combination therapy depending upon the type of breast cancer and the treatment history.
- The new treatment with abemaciclib has been found to be an effective and safe mode of therapy that delays the need for chemotherapy infusion and the infusion-related side effects.
FDA approves Abemaciclib for treating HR-positive or metastatic breast cancer
Abemaciclib approved for treating women with hormone receptor 2 positive and human epidermal growth factor receptor 2 negative advanced or metastatic breast cancer. Abemaciclib can be given as a monotherapy in breast cancer treated with hormone therapy and chemotherapy. A combination of abemaciclib with fulvestrant can also be considered for women with breast cancer who have been already treated with endocrine therapy. MONARCH 1 and MONARCH 2 were the trials carried out to study the safety and efficacy of abemaciclib. However, results of MONARCH 3 clinical trial led to the FDA approval as the trial showed an increase in the progression-free survival (PFS) for the period women lived longer without the progression of cancer. MONARCH 3 was a randomized, double-blinded, placebo-controlled, multicenter clinical trial which involved 493 patients.In MONARCH 3 clinical trial, patients were given abemaciclib 150 mg orally twice a day or placebo along with letrozole or anastrozole, an aromatase inhibitor. Patients who received abemaciclib showed an estimated median PFS of about 28.2 months, whereas patients received placebo showed a PFS of 14.8 months. The recommended dose of abemaciclib is 150 mg prescribed with an aromatase inhibitor twice daily taken orally with or without food.
What are the common side effects of abemaciclib?
- Nausea and vomiting
- Fatigue
- Anemia
- Loss of hair
- Decreased white blood cells
- Low neutrophils count
- Occurrence of infections
- Diarrhea
- Pain in the stomach
- Decreased appetite
What are the symptoms of breast cancer?
- Soreness of nipples
- Formation of new lumps
- Nipple discharge
- Turning inward or retraction of nipples
- Swollen breasts with red rashes
- Pain in the nipples or breast
- Lumps in the underarm area
- Irritation of breast skin
What are the risk factors for breast cancer?
- Old age
- Mutation of genes of BRCA 1 and BRCA 2
- Obesity
- Dense breasts
- Hormone replacement therapy
- Taking birth control pills
- Alcohol consumption
- Having children at a later age
- FDA Approves Abemaciclib for Certain HR+ Metastatic Breast Cancers - (http://www.lbbc.org/news-opinion/fda-approves-abemaciclib-certain-hr-metastatic-breast-cancers)
- FDA approves abemaciclib as initial therapy for HR-positive, HER2-negative metastatic breast cancer - (https://www.fda.gov/Drugs/InformationOnDrugs/ApprovedDrugs/ucm598404.htm)
- Abemaciclib Approval Expands Initial Treatment Options for Advanced Breast Cancer - (https://www.cancer.gov/news-events/cancer-currents-blog/2018/abemaciclib-fda-breast-cancer-first-line)
- Breast Cancer - (https://www.cancer.org.au/about-cancer/types-of-cancer/breast-cancer/)
- About Breast Cancer - (https://medlineplus.gov/breastcancer.html)