Product image of Letrozol Amarox (Letrozole) supplied by GNH India

Letrozol Amarox

Active Ingredient:
Letrozole
Origin:
EU

Letrozol Amarox (Letrozole)

Letrozole, the active ingredient in Letrozol Amarox, is an aromatase inhibitor presented as an oral tablet for oral use. It is indicated for the treatment of postmenopausal hormone receptor‑positive breast cancer, helping to lower estrogen levels that can stimulate tumor growth. GNH India supplies Letrozol Amarox as a licensed, GDP‑compliant international pharmaceutical supplier serving oncology centres worldwide.

Manufacturer / TM Owner

Amarox Pharma Gmbh

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Indications & Clinical Uses

Letrozol Amarox is an aromatase inhibitor used in the management of breast cancer and related hormonal pathways.

  • Postmenopausal hormone receptor‑positive breast cancer: reduces tumor growth by lowering circulating estrogen.
  • Adjuvant treatment of early‑stage breast cancer: helps prevent disease recurrence after surgery.
  • Metastatic breast cancer in postmenopausal women: slows disease progression and improves survival outcomes.

How It Works

  • Letrozole selectively and reversibly inhibits the aromatase enzyme, which converts adrenal and ovarian androgens into estrogens. By blocking this peripheral conversion, systemic estrogen concentrations decline, depriving estrogen‑dependent tumor cells of a growth stimulus and thereby inhibiting proliferation of hormone‑sensitive breast cancer.

Side Effects

Adverse reactions may occur with Letrozol Amarox and are categorized by frequency.

Common Side Effects

  • Hot flashes: sudden feeling of warmth, often with sweating.
  • Joint and muscle pain: aches in joints or muscles.
  • Nausea: upset stomach, sometimes with vomiting.
  • Fatigue: persistent feeling of tiredness.

Serious or Rare Side Effects

  • Severe liver injury: jaundice, elevated liver enzymes, or hepatic failure.
  • Bone fracture: increased risk of osteoporosis‑related fractures.
  • Allergic reaction: rash, swelling, or difficulty breathing indicating possible anaphylaxis.

Precautions & Warnings

Before initiating therapy, several safety considerations are recommended.

  • Pregnancy contraindication: avoid use during pregnancy (Category X).
  • Menopause status: indicated only for postmenopausal patients.
  • Bone health monitoring: assess bone mineral density periodically.
  • Liver function: monitor hepatic enzymes before and during treatment.
  • Store at ambient temperature below 25°C: keep in the original pack, protect from moisture.

Avoid Interactions

Letrozol Amarox may interact with other medicines, requiring attention to avoid reduced efficacy or increased toxicity.

Major Interactions (Avoid)

  • Strong CYP3A4 inducers (e.g., rifampicin): may markedly lower letrozole levels.
  • Tamoxifen: antagonistic effect on estrogen pathways, reducing therapeutic benefit.
  • Estrogen‑containing hormone therapy: counteracts aromatase inhibition.

Moderate Interactions (Monitor Closely)

  • Anticoagulants (e.g., warfarin): may increase bleeding risk.
  • Selective serotonin reuptake inhibitors (e.g., fluoxetine): potential alteration of letrozole metabolism.

Frequently Asked Questions

Letrozol Amarox contains letrozole, an aromatase inhibitor prescribed primarily for postmenopausal women with hormone receptor‑positive breast cancer. It is used to treat advanced disease, as adjuvant therapy after surgery, and to help prevent recurrence by lowering estrogen levels that can fuel tumor growth.

Letrozole blocks the aromatase enzyme, which converts androgens into estrogens in peripheral tissues. By inhibiting this conversion, circulating estrogen concentrations fall, depriving estrogen‑dependent cancer cells of a key growth signal and thereby slowing or stopping tumor proliferation.

The dosage of Letrozol Amarox is determined by the prescribing clinician based on the patient’s condition, weight, liver function, and treatment goals. Only a qualified healthcare professional should set the dose and schedule; patients should follow the prescriber’s instructions exactly.

Letrozol Amarox is classified as Pregnancy Category X, meaning it is contraindicated during pregnancy because it can cause fetal harm. It is also not recommended while breastfeeding, as it may pass into breast milk and affect the infant. Effective contraception is required for women of child‑bearing potential.

To order Letrozol Amarox, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India works with hospitals, pharmacies, and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details, and any necessary import documentation.

Letrozole belongs to the aromatase inhibitor class, similar to anastrozole and exemestane. Compared with anastrozole, letrozole generally provides a slightly stronger estrogen suppression, which may translate into marginally higher response rates in some studies. Choice of agent depends on individual patient factors, tolerability, and physician preference.

Letrozol Amarox tablets should be stored at ambient temperature below 25 °C, in their original container, protected from moisture and direct sunlight. Keep the product out of reach of children and do not use if the packaging is damaged or the tablets appear discolored.

Letrozol Amarox is taken orally, usually once daily, with or without food, as directed by the prescribing clinician. Swallow the tablet whole with a glass of water; do not crush, split, or chew unless specifically instructed by a healthcare professional.

Serious risks include severe liver injury, osteoporosis‑related bone fractures, and allergic reactions such as rash, swelling, or breathing difficulty. Patients should report any signs of jaundice, persistent bone pain, or sudden allergic symptoms to their healthcare provider promptly.

Letrozol Amarox should not be used by pregnant or breastfeeding women, premenopausal patients, or individuals with known hypersensitivity to letrozole or any tablet components. Patients with severe liver impairment should also avoid the drug unless a specialist determines a benefit outweighs the risk.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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