Abemaxen 200 mg (Abemaciclib INN)
Targeted CDK4/6 Inhibitor for Advanced Breast Cancer
💊 Pharmacology:
Abemaciclib selectively inhibits cyclin-dependent kinases CDK4 and CDK6, preventing phosphorylation of the retinoblastoma (Rb) protein. This results in cell-cycle arrest at the G1 phase, thereby suppressing cancer cell proliferation and slowing tumor progression.
📌 Indications:
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Hormone receptor (HR)-positive, HER2-negative advanced or metastatic breast cancer
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Used in combination with:
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Aromatase inhibitors
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Fulvestrant
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May be used as monotherapy in patients previously treated with endocrine therapy
💉 Dosage & Administration:
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Recommended dose: 200 mg orally, as prescribed by the oncologist
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Can be taken with or without food
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Tablets should be swallowed whole
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Dose adjustment may be required based on tolerance and adverse reactions
⚠️ Precautions & Warnings:
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Monitor complete blood count (CBC) regularly
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Liver function tests should be performed periodically
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Diarrhea is common—early management is essential
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Use caution in patients with hepatic impairment
❌ Contraindications:
🤰 Pregnancy & Lactation:
⚕️ Side Effects:
Common side effects include:
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Diarrhea
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Neutropenia
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Fatigue
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Nausea
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Decreased appetite
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Anemia
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Elevated liver enzymes
🧊 Storage Conditions:
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Store below 30°C
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Keep in a cool, dry place
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Protect from light and moisture
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Keep out of reach of children