Product image of Lenzetto (Estradiol Hemihydrate) supplied by GNH India

Lenzetto

Active Ingredient:
Estradiol Hemihydrate
Origin:
EU

Lenzetto (Estradiol Hemihydrate)

Estradiol, the active ingredient in Lenzetto, is an estrogen presented as a transdermal patch for transdermal use. It is prescribed to manage menopausal vasomotor symptoms and to treat estrogen deficiency in women. The patch delivers estradiol systemically, providing steady hormone levels without first‑pass metabolism.

GNH India supplies Lenzetto as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, with capabilities for bulk and individual packaging. The company adheres to EU quality standards and provides regulatory support for importers.

Manufacturer / TM Owner

Gedeon Richter Plc.

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Indications & Clinical Uses

Lenzetto, an estradiol transdermal system, is used to address conditions related to estrogen deficiency.

  • Menopausal vasomotor symptoms: reduces frequency and severity of hot flashes and night sweats.
  • Estrogen deficiency: restores systemic estrogen levels, alleviating symptoms such as vaginal dryness and mood changes.
  • Postmenopausal bone health: helps maintain bone mineral density and reduces risk of osteoporosis progression.

How It Works

  • Estradiol in Lenzetto binds to intracellular estrogen receptors (ERα and ERβ) in target tissues, forming a hormone‑receptor complex that interacts with DNA response elements. This modulates transcription of estrogen‑responsive genes, leading to restoration of normal estrogenic activity in the hypothalamus, bone, skin, and reproductive tract, while bypassing hepatic first‑pass metabolism through transdermal delivery.

Side Effects

Adverse reactions to Lenzetto may vary in frequency and severity.

Common Side Effects

  • Skin irritation at the application site: redness, itching or rash.
  • Headache: mild to moderate intensity.
  • Nausea: occasional feeling of queasiness.
  • Breast tenderness: mild swelling or discomfort.

Serious or Rare Side Effects

  • Venous thromboembolism: deep vein thrombosis or pulmonary embolism.
  • Stroke or transient ischemic attack: neurological events.
  • Gallbladder disease: biliary colic or cholecystitis.
  • Hormone‑dependent cancer progression: potential worsening of breast or endometrial cancer.

Precautions & Warnings

Before prescribing Lenzetto, clinicians should consider several safety precautions.

  • Contraindicated in women with known estrogen‑dependent malignancies: avoid use.
  • Assess thromboembolic risk: do not use in patients with history of DVT, PE, or clotting disorders.
  • Monitor liver function: adjust therapy if severe hepatic impairment is present.
  • Evaluate cardiovascular status: caution in smokers or those with uncontrolled hypertension.
  • Review breast health: perform regular examinations and imaging as indicated.
  • Store at room temperature: keep in original pouch, protect from light and moisture.

Avoid Interactions

Lenzetto can interact with other medicines, altering its efficacy or safety profile.

Major Interactions (Avoid)

  • Combined estrogen‑containing contraceptives: increased risk of thromboembolism.
  • Anticoagulants (e.g., warfarin): may enhance anticoagulant effect, requiring monitoring.
  • Cytochrome P450 3A4 inducers (e.g., rifampin, carbamazepine): reduce estradiol plasma levels, decreasing effectiveness.

Moderate Interactions (Monitor Closely)

  • Antihypertensive agents: estradiol may diminish blood pressure‑lowering effect.
  • Thyroid hormone replacement: estradiol can increase thyroxine binding, possibly requiring dose adjustment.
  • Certain antiepileptic drugs (e.g., phenytoin): may lower estradiol concentrations.
  • SSRIs and SNRIs: may increase risk of serotonin syndrome when combined with high estrogen doses.

Frequently Asked Questions

Lenzetto is a transdermal estradiol patch indicated for relief of menopausal vasomotor symptoms such as hot flashes and night sweats, and for treatment of estrogen deficiency in women, including management of associated urogenital symptoms.

Estradiol in Lenzetto binds to estrogen receptors in target cells, forming a complex that regulates gene transcription. This restores normal estrogen‑dependent physiological processes, including thermoregulation, bone remodeling, and mucosal health, while the patch bypasses hepatic first‑pass metabolism.

The prescribed dose of Lenzetto is determined by the treating physician based on individual clinical needs. Typically, a patch is applied to clean, dry skin and replaced according to the prescriber’s schedule, which may be weekly or as otherwise directed.

Lenzetto is generally contraindicated in pregnancy because exogenous estrogen can affect fetal development. It is also not recommended while breastfeeding, as estradiol may pass into breast milk and influence infant hormonal balance. Consultation with a healthcare professional is essential.

To order Lenzetto, 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.

Compared with oral estrogen tablets, Lenzetto’s transdermal delivery avoids first‑pass hepatic metabolism, resulting in more stable plasma levels and a lower impact on liver‑produced clotting factors. This can translate into a reduced risk of certain thrombotic events, though individual risk assessment remains essential.

Lenzetto should be stored at room temperature, below 25 °C, in its original pouch. Keep the patch away from direct sunlight, moisture and heat sources. Do not fold or crush the patch, and discard any patch that appears damaged or discolored.

Lenzetto is applied to clean, dry, intact skin on the lower abdomen, buttock, or upper arm. The patch is pressed firmly for several seconds to ensure adhesion and is typically changed according to the prescriber’s schedule, often once a week.

Serious risks include venous thromboembolism, stroke, and possible progression of estrogen‑dependent cancers such as breast or endometrial carcinoma. Patients should be monitored for signs of clotting, neurological changes, or abnormal uterine bleeding, and therapy should be stopped if these events occur.

Lenzetto should not be used by women with a history of estrogen‑dependent malignancies, active or past thromboembolic disease, uncontrolled hypertension, severe liver disease, or known hypersensitivity to estradiol or patch components. It is also contraindicated during pregnancy.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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