Abemaciclib is used in the treatment of metastatic breast cancer.
How Abemaciclib works Abemaciclib functions by inhibiting the action of an abnormal protein that stimulates the proliferation of cancer cells. This mechanism helps to slow down or prevent the spread of cancer cells.
Common side effects of Abemaciclib include hair loss, headache, cough, joint pain, dizziness, fatigue, weight loss, infection, stomatitis (inflammation of the mouth), increased creatinine levels in the blood, gastrointestinal toxicity, abnormal blood cell count, increased liver enzymes, and decreased white blood cell count (neutrophils).