Arimidex (Anastrozole) 1mg Tablets Complete Guide, Uses and Side Effects
A Potent, Highly Selective Aromatase Inhibitor for Estrogen Research
Arimidex (Anastrozole) 1mg Tablets is a potent and highly selective non-steroidal aromatase inhibitor that plays a critical role in estrogen biosynthesis research.
By inhibiting the aromatase enzyme, anastrozole effectively suppresses the conversion of androgens (primarily androstenedione and testosterone) to estrogens in peripheral tissues.
This mechanism significantly lowers serum estradiol concentrations without affecting the formation of adrenal corticosteroids or aldosterone.
Anastrozole is an established pharmaceutical agent and is classified as an aromatase inhibitor (ATC code: L02B G03).
In clinical contexts, it is used as an adjunct treatment for hormone receptor-positive breast cancer in postmenopausal women. The 50-tablet pack provides a bulk research quantity suitable for extended laboratory studies and protocols.
Mechanism of Action: Aromatase Inhibition Arimidex (Anastrozole) 1mg Tablets
Anastrozole’s primary mechanism of action involves the potent inhibition of the aromatase enzyme:
| Parameter | Details |
|---|---|
| Classification | Non-steroidal aromatase inhibitor |
| Mechanism | Inhibits the cytochrome P450 enzyme aromatase, blocking the conversion of androgens to estrogens |
| Selectivity | Highly selective; does not affect adrenal corticosteroid or aldosterone formation |
Key Research Applications
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Endocrinology & Hormone Modulation Studies: Researchers utilize anastrozole to investigate estrogen’s role in various physiological and pathological processes, making it a valuable tool in endocrinology studies.
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Hormone-Sensitive Cancer Research: Anastrozole is widely studied in the context of hormone receptor-positive breast cancer research due to its ability to reduce estrogen levels and thereby slow or stop the growth of estrogen-dependent cancer cells.
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Off-Label Research: Anastrozole has been studied in off-label contexts, such as ovulation induction and certain pediatric conditions, though these are not approved indications. Arimidex (Anastrozole) 1mg Tablets
Product Specifications
| Parameter | Details |
|---|---|
| Strength | 1 mg per tablet |
| Pack Size | 50 tablets |
| Dosage Form | Film-coated tablet |
| Chemical Formula | C₁₇H₁₉N₅ |
| Molecular Weight | 293.37 g/mol |
| CAS Number | 120511-73-1 |
| Appearance | White, round, biconvex film-coated tablets |
| Tablet Markings | “A” with an arrowhead on one side and “Adx1” on the other (brand Arimidex); or “ANA” and “1” (generic) |
Product Description
The product is a film-coated tablet that contains the active ingredient anastrozole. The tablets are white, round, and biconvex, with specific markings depending on the manufacturer. The presentation is a blister pack containing 50 tablets.
Quality and Regulatory Information
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Research-Grade: This product is manufactured for laboratory research purposes only and is not approved for human consumption.
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Prescription Status: In clinical settings, anastrozole is a prescription medicine available from a pharmacist and requires a prescription.
Critical Safety and Regulatory Notice
Anastrozole is a potent pharmaceutical agent with significant side effects and contraindications.
Contraindications and Precautions
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Pregnancy and Breastfeeding: Anastrozole must not be used during pregnancy or breastfeeding.
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Allergy: Do not use in individuals with a known hypersensitivity to anastrozole or any of its components.
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Premenopausal Women: Anastrozole is not indicated for use in women who have not yet gone through menopause.
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Osteoporosis Risk: The use of anastrozole is associated with bone loss (osteoporosis) and an increased risk of fractures.
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Drug Interactions: Anastrozole should not be used with tamoxifen or estrogen-containing medications, as these may reduce its effectiveness.
Common Side Effects (Reported in Clinical Use)
| Frequency | Side Effects |
|---|---|
| Very Common (>1/10) | Headache, hot flushes, nausea, rash, joint pain/stiffness, arthritis, weakness, osteoporosis, depression |
| Common (1/10 to 1/100) | Loss of appetite, high cholesterol, drowsiness, carpal tunnel syndrome, diarrhea, vomiting, hair loss, bone pain, vaginal dryness |
| Serious (Rare) | Stevens-Johnson syndrome (severe skin reaction), angioedema (allergic swelling), hepatitis |




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