Anastrozole

Buy Anastrozole Online

Anastrozole is a potent, non-steroidal aromatase inhibitor that reduces the conversion of androgens into estrogens. It is widely studied and clinically used in hormone-sensitive breast cancer and has also attracted research interest in male hormonal regulation because of its ability to reduce estrogen levels.

Product Information

Anastrozole selectively inhibits the aromatase enzyme, reducing the conversion of testosterone and other androgens into estradiol and estrone. This makes it a powerful tool for studying estrogen-dependent biology and hormonal feedback.

Clinical trials have extensively evaluated oral anastrozole, particularly at a 1 mg once-daily dose in postmenopausal women with advanced breast cancer.

How It Works

Aromatase converts androgens into estrogens in several tissues. Anastrozole inhibits this enzyme, lowering circulating estrogen concentrations and altering estrogen-mediated signaling. Its effects can therefore influence hormone-sensitive tissues and the hypothalamic-pituitary-gonadal axis.

POTENTIAL BENEFITS

1. Estrogen Suppression Research

Anastrozole provides strong and selective suppression of estrogen production through aromatase inhibition. This makes it an important compound for studying estrogen-dependent physiological and pathological processes.

2. Breast-Cancer Research

Anastrozole has a well-established role in research and treatment of hormone-receptor-positive breast cancer in postmenopausal women. Large clinical trials have compared it directly with tamoxifen and demonstrated clinically meaningful differences in disease-control outcomes.

3. Aromatase Research

Because of its potent and selective inhibition of aromatase, anastrozole is widely used as a pharmacological model for studying androgen-to-estrogen conversion and estrogen-dependent signaling.

4. Male Hormonal Research

Anastrozole has also been investigated in men because reducing aromatase activity can alter the testosterone-to-estradiol balance. This makes it relevant to research into male endocrine regulation, although estrogen is also important for normal male physiology.

5. Endocrine Research

Anastrozole's predictable effect on estrogen production makes it valuable in studies examining hormonal feedback, estrogen-dependent tissue growth, and endocrine adaptation.

Dosage

For its established breast-cancer indication, clinical trials have extensively studied 1 mg orally once daily.

Dosing for other research applications can differ substantially and should not automatically be extrapolated from oncology treatment.

Side Effects

Potential side effects include:

• Hot flashes
• Joint and muscle pain
• Reduced bone mineral density
• Fatigue
• Headache
• Changes in cholesterol
• Mood changes

References

1. Bonneterre J, et al. Anastrozole is superior to tamoxifen as first-line therapy for advanced breast cancer in postmenopausal women. PMID: 11078488. PubMed
2. A randomized, open, parallel-group trial to compare the endocrine effects of oral anastrozole with intramuscular formestane. PMID: 10586340. PubMed

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