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

Megestrol Kabi

Active Ingredient:
Megestrol Acetate
Origin:
EU

Megestrol Kabi (Megestrol Acetate)

Megestrol acetate, the active ingredient in Megestrol Kabi, is a progestin presented as a oral formulation for oral use. It is employed to treat cachexia associated with AIDS or cancer, anorexia and weight loss, and hormone‑responsive breast or endometrial cancer.

GNH India supplies Megestrol Kabi as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, oncology centres, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Fresenius Kabi Pharma Portugal, Lda.

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Indications & Clinical Uses

Megestrol Kabi is a synthetic progestogen used in conditions where appetite stimulation or hormone‑responsive tumor control is required.

  • Cachexia associated with AIDS or cancer: helps increase body weight and improve nutritional status.
  • Anorexia and weight loss: stimulates appetite to promote weight gain.
  • Hormone‑responsive breast cancer: provides antigonadotropic effect to inhibit tumor growth.
  • Endometrial cancer: used as part of hormone therapy to control disease progression.

How It Works

  • Megestrol acetate binds to progesterone receptors, producing antigonadotropic effects that suppress gonadotropin release. Its glucocorticoid‑like activity influences metabolic pathways, enhancing appetite and promoting protein synthesis, while also exerting anti‑proliferative actions on hormone‑sensitive cancer cells by modulating gene transcription.

Side Effects

Megestrol acetate may cause a range of adverse reactions, from mild to serious.

Common Side Effects

  • Weight gain: increase in body mass, often desired but may be excessive.
  • Edema: fluid retention leading to swelling of extremities.
  • Nausea or vomiting: gastrointestinal discomfort.
  • Hyperglycemia: elevated blood sugar levels, especially in diabetic patients.
  • Hypertension: rise in blood pressure.
  • Mood changes: irritability or depression.

Serious or Rare Side Effects

  • Thromboembolic events: deep vein thrombosis or pulmonary embolism.
  • Adrenal suppression: reduced endogenous cortisol production.
  • Severe infection: increased susceptibility due to immunomodulation.
  • Liver dysfunction: abnormal liver enzymes or hepatitis.
  • Pancreatitis: inflammation of the pancreas.

Precautions & Warnings

When prescribing Megestrol Kabi, clinicians should consider several safety measures.

  • Monitor blood glucose: watch for hyperglycemia, especially in diabetic patients.
  • Monitor blood pressure: assess for hypertension during therapy.
  • Assess thromboembolic risk: evaluate history of clotting disorders before initiation.
  • Evaluate adrenal function: consider cortisol testing if long‑term use is planned.
  • Use caution in pregnancy: potential fetal risk, avoid unless clearly needed.
  • Store at ambient temperature: keep in the original pack, protect from moisture and direct sunlight.

Avoid Interactions

Megestrol acetate can interact with other medicines, altering efficacy or safety.

Major Interactions (Avoid)

  • Warfarin: increased anticoagulant effect may raise bleeding risk.
  • Insulin or sulfonylureas: enhanced hypoglycemic action can cause severe low blood sugar.
  • Strong CYP3A4 inhibitors (e.g., ketoconazole): may raise megesterol levels, increasing toxicity.

Moderate Interactions (Monitor Closely)

  • Oral contraceptives: reduced contraceptive effectiveness.
  • Other progestins: additive hormonal effects may increase side‑effect burden.
  • Digoxin: potential alteration of serum concentrations.

Frequently Asked Questions

Megestrol Kabi is prescribed for patients experiencing severe weight loss or cachexia due to AIDS or cancer, for those with anorexia and unexplained weight loss, and as hormone therapy in hormone‑responsive breast and endometrial cancers. It helps stimulate appetite and can inhibit tumor growth in these specific settings.

Megestrol acetate acts as a synthetic progestogen that binds to progesterone receptors, producing antigonadotropic effects that lower gonadotropin secretion. Its glucocorticoid‑like activity influences metabolism, increasing appetite and promoting protein synthesis, while also exerting anti‑proliferative effects on hormone‑sensitive cancer cells.

The dosage of Megestrol Kabi is individualized and determined by the prescribing clinician based on the patient’s condition, severity, and response to therapy. Healthcare providers consider factors such as weight loss severity, cancer type, and overall health when setting the appropriate dose.

Safety of Megestrol Kabi in pregnancy and lactation has not been established. It should be used only if the potential benefit justifies the potential risk to the fetus or infant. Women who are pregnant, planning to become pregnant, or breastfeeding should discuss alternatives with their 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, verifying trade or institutional credentials before providing pricing, availability, shipping details, and any necessary import documentation.

Megestrol Kabi is a progestin with both appetite‑stimulating and hormone‑modulating properties, distinguishing it from other agents such as megestrol acetate’s alternative, dronabinol, which acts on cannabinoid receptors. Megestrol offers additional anti‑tumor activity in hormone‑responsive cancers, whereas many other stimulants lack this dual function.

Megestrol Kabi should be stored at ambient temperature, below 25 °C. Keep the product in its original packaging, protect it from moisture and direct sunlight, and ensure the container is tightly closed to maintain stability throughout its shelf life.

Megestrol Kabi is taken orally, usually as a tablet or capsule, with or without food as directed by the prescribing clinician. The exact administration schedule, including timing and whether it should be taken with meals, is determined by the healthcare provider based on individual patient needs.

Serious risks include thromboembolic events such as deep‑vein thrombosis or pulmonary embolism, adrenal suppression leading to cortisol deficiency, severe hyperglycemia, and significant liver dysfunction. Patients should be monitored closely for signs of these conditions, and therapy should be discontinued if serious adverse events occur.

Megestrol Kabi is contraindicated in patients with known hypersensitivity to megesterol acetate or any excipients, those with uncontrolled hypertension, active thromboembolic disease, or severe liver impairment. It should also be avoided in individuals who are pregnant unless the benefits outweigh the risks, and in patients with uncontrolled diabetes without proper monitoring.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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