Pipecilli generic name is Pipecilli Capsules, which is a targeted drug. Pipercil Capsules is a cell cycle protein-dependent kinase 4 and 6 (CDK4/6) inhibitor, can selectively inhibit CDK4/6, belongs to the targeted drugs.CDK4/6 is overactive in many tumors, resulting in uncontrolled cell proliferation, Pipercil Capsules can help the cell cycle restoration by inhibiting CDK4/6 and inhibit the excessive proliferation of tumor cells. Pipecilli Capsules are indicated for hormone receptor-positive, HER2-negative locally advanced or metastatic breast cancer, and should be used in combination with aromatase inhibitors for initial endocrine therapy in postmenopausal patients. There may be adverse reactions such as leukopenia, anemia, loss of appetite, etc. It is contraindicated for those who are allergic to it. The medicine should be swallowed whole with food and should not be taken with grapefruit or grapefruit juice. Pipecilli capsules must be applied in accordance with the doctor’s instructions, and should not be taken on their own.