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

Letrozol Combix

Active Ingredient:
Letrozole
Origin:
EU

Letrozol Combix (Letrozole)

Letrozole, the active ingredient in Letrozol Combix, is an aromatase inhibitor presented as an oral tablet for oral use. It is employed in the treatment of hormone receptor‑positive breast cancer in postmenopausal women, reducing estrogen production that can fuel tumor growth.

GNH India supplies Letrozol Combix as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, oncology centres, pharmacies and clinics worldwide, ensuring quality‑controlled manufacturing and reliable distribution across global markets.

Manufacturer / TM Owner

Laboratorios Combix, S.L.U.

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Indications & Clinical Uses

Letrozol Combix acts on estrogen‑dependent breast cancer pathways and is indicated for the following conditions:

  • Hormone receptor‑positive breast cancer in postmenopausal women: lowers estrogen levels to inhibit tumor growth.
  • Adjuvant therapy for early‑stage disease: reduces risk of recurrence after surgery.
  • Metastatic breast cancer in postmenopausal patients: helps control disease progression when other hormonal therapies are unsuitable.

How It Works

  • Letrozole reversibly binds to the aromatase enzyme, blocking the conversion of adrenal and peripheral androgens into estrone and estradiol. By inhibiting this key step in estrogen biosynthesis, systemic estrogen concentrations fall, depriving estrogen‑dependent tumor cells of a growth stimulus and thereby slowing or halting cancer progression.

Side Effects

Letrozol Combix may cause a range of adverse reactions. Patients should be aware of both frequent and less common events.

Common Side Effects

  • Hot flashes: sudden feeling of warmth and sweating.
  • Joint pain: aching or stiffness in muscles and joints.
  • Fatigue: persistent tiredness not relieved by rest.
  • Nausea: upset stomach or urge to vomit.

Serious or Rare Side Effects

  • Severe liver injury: jaundice, dark urine, elevated liver enzymes.
  • Bone fracture: increased risk due to lowered estrogen.
  • Deep vein thrombosis: swelling, pain, redness in a limb.
  • Severe allergic reaction: rash, swelling, difficulty breathing.

Precautions & Warnings

Before initiating therapy, clinicians should consider several safety measures.

  • Monitor liver function: obtain baseline and periodic liver enzyme tests.
  • Assess bone health: consider calcium and vitamin D supplementation and periodic bone density scans.
  • Evaluate cardiovascular risk: watch for signs of thrombosis or embolism.
  • Avoid use in pregnancy: contraindicated for women of childbearing potential.
  • Store at ambient temperature: keep below 25°C in the original packaging, protect from moisture.

Avoid Interactions

Letrozol Combix can interact with other medicines, requiring careful management.

Major Interactions (Avoid)

  • Estrogen replacement therapy: antagonizes letrozole’s effect, reducing efficacy.
  • Strong CYP2A6 inhibitors (e.g., methoxsalen): may increase letrozole plasma levels.

Moderate Interactions (Monitor Closely)

  • Tamoxifen: opposing mechanisms may diminish therapeutic benefit.
  • Certain SSRIs (e.g., fluoxetine): may modestly affect metabolism.
  • Glucocorticoids: may increase risk of bone loss when combined.

Frequently Asked Questions

Letrozol Combix contains letrozole, an aromatase inhibitor used to treat hormone receptor‑positive breast cancer in postmenopausal women. It works by lowering estrogen levels, which helps slow tumor growth and can be used in early‑stage, adjuvant, or metastatic settings.

Letrozole blocks the aromatase enzyme, preventing the conversion of androgens into estrogen. By reducing circulating estrogen, the drug deprives estrogen‑dependent breast cancer cells of a key growth signal, thereby inhibiting tumor progression.

The specific dose of Letrozol Combix is determined by the prescribing physician based on the patient’s clinical condition, treatment goals, and tolerance. Dosage adjustments are made according to medical judgment and monitoring results.

Letrozole is classified as contraindicated in pregnancy because it can affect fetal development. Its safety during breastfeeding has not been established, and breastfeeding is generally not recommended while taking this medication.

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

Letrozol Combix, as an aromatase inhibitor, lowers estrogen production, whereas drugs like tamoxifen block estrogen receptors. In postmenopausal patients, aromatase inhibitors often provide superior disease control, but choice depends on individual patient factors, side‑effect profiles, and physician preference.

Letrozol Combix tablets should be stored at ambient temperature, preferably below 25 °C. Keep them in the original blister pack, protect from moisture and direct sunlight, and ensure the container is tightly closed to maintain product stability.

Letrozol Combix is taken orally, usually once daily, with or without food. The tablet should be swallowed whole with a glass of water and not chewed or crushed, unless otherwise directed by a healthcare professional.

Serious risks include severe liver injury, bone fractures due to decreased estrogen, and thromboembolic events such as deep‑vein thrombosis or pulmonary embolism. Patients should be monitored regularly for signs of these conditions and report any concerning symptoms promptly.

Letrozol Combix should not be used by pregnant women, women of childbearing potential who are not using effective contraception, or patients with known hypersensitivity to letrozole or any tablet excipients. Caution is also advised in individuals with severe liver disease or uncontrolled osteoporosis.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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