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

Letrozol Bluefish

Active Ingredient:
Letrozole
Origin:
EU

Letrozol Bluefish (Letrozole)

Letrozole, the active ingredient in Letrozol Bluefish, is an aromatase inhibitor presented as a tablet for oral use. It treats hormone receptor‑positive breast cancer in postmenopausal women by lowering estrogen levels that can stimulate tumor growth. The medication is manufactured according to EU pharmaceutical standards and undergoes rigorous quality testing before distribution.

GNH India supplies Letrozol Bluefish as a licensed, GDP‑compliant international pharmaceutical supplier serving oncology centres, hospitals and pharmacies worldwide, ensuring reliable global access to this essential cancer therapy.

Manufacturer / TM Owner

Bluefish Pharmaceuticals Ab

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Indications & Clinical Uses

  • Letrozole is employed in endocrine therapy targeting hormone‑dependent breast cancer pathways.
  • Hormone receptor‑positive breast cancer in postmenopausal women: reduces estrogen production to slow tumor progression.
  • Adjuvant treatment of early‑stage breast cancer: helps prevent disease recurrence after surgery.
  • Metastatic breast cancer in postmenopausal patients: provides disease control and prolongs survival.

How It Works

  • Letrozole acts as a reversible, non‑steroidal inhibitor of the aromatase enzyme (CYP19A1). By binding to the enzyme’s active site, it blocks the conversion of androgens to estrogens in peripheral tissues, markedly decreasing circulating estrogen levels. The resultant hypo‑estrogenic state deprives estrogen‑dependent tumor cells of growth stimulation, thereby inhibiting proliferation of hormone‑sensitive breast cancer cells.

Side Effects

Letrozole may cause a range of adverse reactions, varying from mild to severe.

Common Side Effects

  • Hot flashes: sudden feeling of warmth and sweating.
  • Joint and muscle pain: aches in joints or muscles.
  • Fatigue: persistent tiredness.
  • Nausea: upset stomach and urge to vomit.

Serious or Rare Side Effects

  • Severe liver injury: jaundice, elevated liver enzymes.
  • Bone fractures: increased risk of osteoporosis‑related breaks.
  • Allergic reactions: rash, swelling, or anaphylaxis.

Precautions & Warnings

When prescribing Letrozol Bluefish, clinicians should observe several safety measures.

  • Pregnancy contraindication: avoid use in pregnant women (Category X).
  • Postmenopausal status verification: confirm patient is postmenopausal before initiating therapy.
  • Bone health monitoring: assess bone mineral density periodically.
  • Liver function assessment: evaluate hepatic enzymes before and during treatment.
  • Cardiovascular risk evaluation: monitor blood pressure and lipid profile.
  • Store at room temperature: keep below 25 °C in original packaging, protect from moisture.

Avoid Interactions

Letrozole can interact with other medicines, requiring careful management.

Major Interactions (Avoid)

  • Strong CYP3A4 inducers (e.g., rifampin, carbamazepine): may reduce letrozole efficacy.
  • Strong CYP3A4 inhibitors (e.g., ketoconazole, itraconazole): may increase plasma levels and toxicity.
  • Estrogen‑containing hormone therapy: antagonizes letrozole’s estrogen‑lowering effect.

Moderate Interactions (Monitor Closely)

  • Warfarin: letrozole may enhance anticoagulant effect; monitor INR.
  • SSRIs (e.g., fluoxetine): potential for altered metabolism; observe for side effects.
  • Statins: possible increased risk of muscle toxicity; assess patient tolerance.

Frequently Asked Questions

Letrozol Bluefish contains letrozole, an aromatase inhibitor indicated for the treatment of hormone receptor‑positive breast cancer in postmenopausal women. It is used in both early‑stage (adjuvant) and metastatic settings to lower estrogen levels that can drive 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 breast cancer cells of a key growth signal and thereby slowing tumor proliferation.

The dosage of letrozole is individualized by the treating physician based on the patient’s clinical condition, renal and hepatic function, and other medications. Prescribers determine the appropriate strength and schedule; no generic dosing regimen is provided here.

Letrozole is classified as Pregnancy Category X, meaning it is contraindicated during pregnancy because it can cause fetal harm. It is also not recommended for breastfeeding mothers, as it may pass into breast milk and affect the infant.

To request Letrozol Bluefish, 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 is a third‑generation aromatase inhibitor with a long half‑life and potent estrogen suppression, often considered more effective than earlier agents such as anastrozole in certain settings. Choice of agent depends on patient tolerance, drug‑interaction profile, and physician preference.

Store Letrozol Bluefish tablets at room temperature, below 25 °C, in the original container to protect from moisture and light. Keep out of reach of children and do not use if the packaging is damaged.

The product is taken orally as a tablet with a glass of water. It can be taken with or without food, but patients should follow the specific instructions given by their healthcare provider.

Serious adverse events include severe liver injury, increased risk of osteoporosis‑related bone fractures, pulmonary embolism, and potentially life‑threatening allergic reactions such as anaphylaxis. Patients should be monitored regularly for signs of these conditions.

Letrozole should not be used by pregnant or breastfeeding women, premenopausal patients, individuals with severe hepatic impairment, or anyone with a known hypersensitivity to letrozole or any of its excipients.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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