Product image of Megyrina (Megestrol Acetate) supplied by GNH India

Megyrina

Active Ingredient:
Megestrol Acetate
Origin:
EU

Megyrina (Megestrol Acetate)

Megestrol acetate, the active ingredient in Megyrina, is a synthetic progestin presented as an oral tablet for systemic use. It is employed to stimulate appetite and to provide antineoplastic activity in patients with cancer‑related cachexia, advanced breast cancer, and endometrial cancer.

GNH India supplies Megyrina as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, oncology centres, pharmacies and clinics worldwide. The company adheres to EU quality standards and provides regulatory documentation for global distribution.

Manufacturer / TM Owner

Vipharm S.A.

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Indications & Clinical Uses

Megyrina (megestrol acetate) is used in oncology and HIV‑related conditions to address severe weight loss and hormone‑sensitive tumors.

  • Cachexia (cancer or AIDS): helps increase appetite and promote weight gain.
  • Advanced breast cancer: provides antineoplastic effects by modulating progesterone receptors.
  • Endometrial cancer: used as hormonal therapy to inhibit tumor progression.

How It Works

  • Megestrol acetate is a synthetic progestogen that binds to intracellular progesterone receptors, triggering transcriptional changes that inhibit tumor cell proliferation. Its glucocorticoid‑like activity also influences hypothalamic pathways, reducing catabolism and stimulating appetite. The combined hormonal and metabolic actions underlie its use as both an antineoplastic hormone and an appetite stimulant in cachectic patients.

Side Effects

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

Common Side Effects

  • Weight gain: increased adipose tissue and fluid retention.
  • Edema: swelling of the lower extremities.
  • Hypertension: elevated blood pressure.
  • Nausea: mild gastrointestinal upset.

Serious or Rare Side Effects

  • Thromboembolic events: deep vein thrombosis or pulmonary embolism.
  • Adrenal insufficiency: cortisol deficiency after abrupt cessation.

Precautions & Warnings

When prescribing Megyrina, clinicians should observe several safety measures.

  • Monitor blood glucose: hyperglycemia may develop, especially in diabetic patients.
  • Check blood pressure regularly: risk of hypertension.
  • Assess thromboembolic risk: avoid in patients with a history of clotting disorders.
  • Use caution in hormone‑sensitive cancers: evaluate benefit‑risk ratio.
  • Review liver function: hepatic impairment may affect metabolism.
  • Store at room temperature: keep in original container, protect from moisture and light.

Avoid Interactions

Megyrina can interact with other medicines; awareness of the interaction level guides clinical decisions.

Major Interactions (Avoid)

  • Strong CYP3A4 inhibitors (e.g., ketoconazole): may increase megestrol levels.
  • Anticoagulants (e.g., warfarin): heightened risk of thrombosis.
  • Antidiabetic agents (insulin, sulfonylureas): may exacerbate hypoglycemia.

Moderate Interactions (Monitor Closely)

  • CYP3A4 inducers (e.g., rifampin, carbamazepine): may reduce efficacy.
  • NSAIDs: additive risk of gastrointestinal bleeding.
  • Hormonal contraceptives: reduced effectiveness due to hormonal interference.

Frequently Asked Questions

Megyrina contains megestrol acetate and is prescribed to treat severe weight loss (cachexia) associated with cancer or AIDS, as well as to provide hormonal therapy for advanced breast cancer and endometrial cancer. Its dual action as an appetite stimulant and antineoplastic hormone makes it useful in oncology and HIV‑related wasting.

Megestrol acetate is a synthetic progestogen that activates intracellular progesterone receptors, leading to transcriptional changes that suppress tumor growth. It also exerts glucocorticoid‑like effects on the hypothalamus, decreasing catabolic pathways and stimulating appetite, which together address both tumor control and weight loss.

The dosage of Megyrina is individualized. A qualified prescriber determines the appropriate strength, frequency, and duration based on the patient’s clinical condition, response, and any concomitant therapies. Patients should follow the prescribing information provided by their healthcare professional.

Safety data for megestrol acetate in pregnancy and lactation are limited, and the pregnancy category is listed as unknown. It should only be used if the potential benefit justifies any possible risk to the fetus or infant, and clinicians should discuss alternatives with pregnant or nursing patients.

To request Megyrina, 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 (including any cold‑chain requirements), and necessary import documentation.

Compared with agents such as dronabinol or mirtazapine, Megyrina offers both appetite stimulation and antineoplastic activity due to its progestogenic and glucocorticoid‑like properties. While other stimulants may lack hormonal effects, Megyrina can address tumor‑related pathways but may carry higher risks of hormonal side effects and thromboembolic events.

Megyrina tablets should be stored at room temperature, below 25 °C, in the original packaging to protect them from moisture and light. Keep the product out of reach of children and avoid storing in areas with high humidity or direct sunlight.

Megyrina is taken orally, usually with a glass of water. The tablet should be swallowed whole and not crushed or chewed unless otherwise directed by a healthcare professional. Dosing times may be adjusted to align with meals or other medications as advised by the prescriber.

The most serious adverse events associated with Megyrina include thromboembolic complications such as deep‑vein thrombosis or pulmonary embolism, and adrenal insufficiency that can occur if the drug is stopped abruptly. Patients should be monitored for signs of clotting, unexplained fatigue, or sudden hormonal changes.

Megyrina is contraindicated in individuals with known hypersensitivity to megestrol acetate, active thromboembolic disease, uncontrolled diabetes, or severe hypertension. Caution is also advised for patients with liver impairment or those taking medications that strongly interact with its metabolism.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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