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

Megostat

Active Ingredient:
Megestrol Acetate
Origin:
EU

Megostat (Megestrol Acetate)

Megestrol acetate, the active ingredient in Megostat, is a progestin presented as an oral formulation for oral use. It is employed to stimulate appetite in patients with severe weight loss and to provide hormone therapy in certain cancers.
GNH India supplies Megostat as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, oncology centres, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Bausch Health Ireland Limited

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Indications & Clinical Uses

  • Megostat is a synthetic progestin that acts on metabolic and hormonal pathways to address specific disease states.
  • Cachexia associated with AIDS or cancer: helps improve appetite and promote weight gain.
  • Advanced breast cancer: used as part of hormone‑based therapy to inhibit tumor progression.
  • Endometrial cancer: employed to control disease growth through progesterone receptor modulation.

How It Works

  • Megestrol acetate binds to progesterone receptors, exerting progestogenic activity while also displaying glucocorticoid effects. This dual action modulates metabolic pathways, increases appetite, and can inhibit the growth of hormone‑sensitive tumor cells by altering gene transcription and cellular proliferation signals.

Side Effects

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

Common Side Effects

  • Nausea or vomiting
  • Fluid retention or peripheral edema
  • Fatigue or weakness
  • Constipation or abdominal discomfort
  • Weight gain due to increased appetite

Serious or Rare Side Effects

  • Thromboembolic events (deep vein thrombosis, pulmonary embolism)
  • Severe allergic reactions (anaphylaxis, skin rash)
  • Hyperglycemia or new‑onset diabetes
  • Cushingoid appearance (moon face, central obesity)
  • Adrenal insufficiency on abrupt discontinuation

Precautions & Warnings

Before initiating therapy, clinicians should evaluate patient‑specific risk factors and monitor for potential complications.

  • Monitor blood glucose: patients with diabetes may require dose adjustments.
  • Assess for thrombotic risk: avoid use in individuals with recent clotting events.
  • Evaluate liver function: hepatic impairment can alter drug metabolism.
  • Review concomitant hormone therapies: potential additive effects on hormone levels.
  • Store at ambient temperature below 25°C: keep in original packaging, protect from moisture and direct sunlight.

Avoid Interactions

Megostat can interact with several drug classes, necessitating careful review of a patient’s medication regimen.

Major Interactions (Avoid)

  • Anticoagulants (e.g., warfarin): may increase bleeding risk.
  • CYP3A4 inducers (e.g., rifampin, phenytoin): can reduce megesterol exposure.

Moderate Interactions (Monitor Closely)

  • Antidiabetic agents: may exacerbate hyperglycemia.
  • Other glucocorticoids: additive immunosuppressive and metabolic effects.
  • Hormonal contraceptives: may decrease contraceptive efficacy.

Frequently Asked Questions

Megostat is prescribed to manage severe weight loss (cachexia) in patients with AIDS or cancer, and as hormone therapy for advanced breast cancer and endometrial cancer. It works by stimulating appetite and influencing hormone‑dependent tumor pathways.

Megestrol acetate binds to progesterone receptors, providing progestogenic activity, and also exerts glucocorticoid‑like effects. This combination increases appetite, alters metabolism, and can suppress the growth of hormone‑sensitive cancer cells by modifying gene expression.

The dosage of Megostat is individualized and determined by the prescribing clinician based on the patient’s condition, weight, and response. Specific dosing regimens are not provided here and should follow the prescriber’s instructions.

Safety data for Megostat in pregnancy and lactation are limited. It should only be used if the potential benefit justifies any potential risk to the fetus or infant, and the decision must be made by a qualified healthcare professional.

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 any necessary import documentation.

Megostat (megestrol acetate) is a synthetic progestin with both appetite‑stimulating and hormone‑modulating properties, distinguishing it from agents like dronabinol or mirtazapine, which act primarily through cannabinoid or antihistaminic pathways. Its dual activity can be advantageous in cancer‑related cachexia and hormone‑sensitive tumors.

Megostat should be stored at ambient temperature below 25 °C, in its original container, protected from moisture, heat and direct sunlight. Keeping the product in a stable environment helps maintain its potency and safety.

Megostat is taken orally, typically as a tablet or capsule, with or without food as directed by the prescriber. The exact administration schedule should follow the healthcare professional’s guidance.

Serious risks include thromboembolic events such as deep‑vein thrombosis or pulmonary embolism, severe allergic reactions, hyperglycemia, and adrenal insufficiency if the drug is stopped abruptly. Patients should be monitored closely for these complications.

Megostat is contraindicated in individuals with known hypersensitivity to megestrol acetate, active thromboembolic disease, uncontrolled diabetes, or severe liver impairment. It should also be used with caution in patients receiving other hormonal or glucocorticoid therapies.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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