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

Letrozol Sandoz

Active Ingredient:
Letrozole
Origin:
EU

Letrozol Sandoz (Letrozole)

Letrozole, the active ingredient in Letrozol Sandoz, is an aromatase inhibitor presented as an oral tablet for oral use. It is employed in the treatment of postmenopausal women with estrogen receptor‑positive breast cancer, helping to reduce tumor growth driven by estrogen.

GNH India supplies Letrozol Sandoz as a licensed, GDP‑compliant international pharmaceutical supplier serving oncology centres worldwide. The company provides reliable sourcing, regulatory support, and logistics for hospitals, pharmacies and procurement teams across global markets.

Manufacturer / TM Owner

Sandoz Pharmaceuticals D.D.

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Indications & Clinical Uses

Letrozol Sandoz, an aromatase inhibitor, is indicated for hormone‑dependent breast cancer in postmenopausal patients.

  • Postmenopausal estrogen receptor‑positive breast cancer: reduces recurrence risk and slows disease progression.
  • Advanced or metastatic hormone‑receptor positive breast cancer: provides disease control when other endocrine therapies are unsuitable.
  • Adjuvant treatment of early‑stage hormone‑receptor positive breast cancer: improves disease‑free survival after surgery.

How It Works

  • Letrozole reversibly binds to the aromatase enzyme, a cytochrome P450 isoform responsible for converting androstenedione and testosterone into estrone and estradiol. By inhibiting this conversion, systemic estrogen levels decline, depriving estrogen‑dependent tumor cells of a growth stimulus and thereby limiting cancer proliferation.

Side Effects

Letrozol Sandoz may cause a range of adverse reactions, which are categorized by frequency and severity.

Common Side Effects

  • Hot flashes: sudden warmth and sweating.
  • Joint pain: arthralgia or myalgia.
  • Nausea: mild to moderate upset stomach.

Serious or Rare Side Effects

  • Osteoporosis or fractures: reduced bone density leading to breaks.
  • Severe liver injury: marked elevation of liver enzymes or hepatitis.
  • Allergic reactions: rash, itching, or anaphylaxis.

Precautions & Warnings

When prescribing Letrozol Sandoz, clinicians should observe several precautionary measures to minimise risk.

  • Monitor bone health: assess baseline density and consider calcium/vitamin D supplementation.
  • Evaluate liver function: perform baseline tests and repeat periodically.
  • Check lipid profile: monitor cholesterol levels during therapy.
  • Assess cardiovascular risk: be cautious in patients with history of thromboembolic disease.
  • Avoid use in pregnancy: Letrozole is contraindicated in pregnant women (Category X).
  • Store at ambient temperature: keep below 25 °C in original container, protect from moisture and light.

Avoid Interactions

Letrozol Sandoz can interact with other medicines, altering its efficacy or safety.

Major Interactions (Avoid)

  • Strong CYP3A4 inducers (e.g., rifampicin, carbamazepine): may reduce letrozole plasma levels.
  • Estrogen‑containing therapies (e.g., hormone replacement): counteract aromatase inhibition.

Moderate Interactions (Monitor Closely)

  • CYP2A6 inhibitors (e.g., fluvoxamine): may increase letrozole exposure.
  • Anticoagulants (e.g., warfarin): monitor INR as estrogen reduction can affect clotting.
  • Tamoxifen: concurrent use may diminish therapeutic effect.

Frequently Asked Questions

Letrozol Sandoz contains letrozole, an aromatase inhibitor indicated for the treatment of postmenopausal women with estrogen receptor‑positive breast cancer, including advanced, metastatic, and adjuvant settings.

Letrozole reversibly blocks the aromatase enzyme, preventing the conversion of androgens to estrogens. This lowers circulating estrogen levels, depriving hormone‑dependent tumor cells of a growth stimulus and inhibiting cancer proliferation.

The prescribed dose of Letrozol Sandoz is determined by the treating physician based on the patient’s clinical condition, treatment setting, and regulatory guidelines. Patients should follow the dosing instructions provided by their healthcare professional.

Letrozole is classified as pregnancy category X; it is contraindicated in pregnant women because it can cause fetal harm. The drug is also not recommended while breastfeeding, as it may pass into milk and affect the infant.

To place an order, 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 necessary import documentation.

Letrozole is a third‑generation aromatase inhibitor with high potency and a long half‑life, offering once‑daily oral dosing. Compared with anastrozole or exemestane, letrozole generally provides greater estrogen suppression, which may translate into improved disease‑free survival in certain patient populations, though individual response varies.

Letrozol Sandoz tablets should be stored at ambient temperature, below 25 °C, in the original blister pack or container. They must be kept away from moisture, direct sunlight and heat to maintain potency.

The medication is taken orally, usually as a whole tablet with water, once daily. It can be taken with or without food, but patients should follow any specific instructions from their prescriber regarding timing and concomitant medications.

Serious adverse events include osteoporosis leading to fractures, severe liver injury, and hypersensitivity reactions such as anaphylaxis. Patients should be monitored regularly for bone density, liver function tests, and any signs of allergic response.

Letrozol Sandoz is contraindicated in pregnant women, premenopausal patients, and individuals with known hypersensitivity to letrozole or any excipients. Caution is also advised for patients with severe hepatic impairment or uncontrolled cardiovascular disease.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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