Indications:
Adjuvant treatment of hormone receptor-positive early breast cancer in postmenopausal women. Extended adjuvant therapy following 5 years of tamoxifen. First-line treatment for hormone-dependent advanced breast cancer. Management of advanced breast cancer in postmenopausal women previously treated with antiestrogens. Pre-operative therapy to enable breast-conserving surgery in localized hormone receptor-positive breast cancer.
Pharmacology:
Mechanism of Action: Nonsteroidal aromatase inhibitor reducing estrogen biosynthesis. Pharmacokinetics: Rapid absorption, peak levels in 1-2 hours, and a plasma half-life of about 2 days.
Dosage & Administration:
Oral: 2.5 mg once daily; continue for 5 years or until relapse. Hepatic/Renal Impairment: No dose adjustment needed; close supervision for severe impairment.
Interactions:
May interact with cimetidine and warfarin, but clinically significant reactions are rare.
Contraindications:
Hypersensitivity, pregnancy, lactation, pre-menopausal women, and severe hepatic dysfunction.
Side Effects:
Common: Hot flashes, hypercholesterolemia, fatigue, sweating, joint pain, skin rash, and gastrointestinal issues. Rare: Nervous disorders, eye disorders, and significant liver issues.
Pregnancy & Lactation:
Not recommended due to potential teratogenicity; unknown if excreted in milk.
Precautions & Warnings:
Caution in hepatic dysfunction; possible fatigue and dizziness.
Overdose Effects:
Supportive care; dialysis may be helpful.
Therapeutic Class:
Hormonal Chemotherapy
Storage Conditions:
Store below 30°C, away from light and moisture, and keep out of reach of children.
Reviews
There are no reviews yet.