Product image of Metopirone Esteve Pharmaceuticals (Metyrapone) supplied by GNH India

Metopirone Esteve Pharmaceuticals

Active Ingredient:
Metyrapone
Origin:
EU

Metopirone Esteve Pharmaceuticals (Metyrapone)

Metyrapone, the active ingredient in Metopirone Esteve Pharmaceuticals, is a cortisol synthesis inhibitor presented as an oral formulation for oral use. It is employed in the diagnostic evaluation of adrenal insufficiency and in the medical management of Cushing's syndrome in adult patients.

GNH India supplies Metopirone Esteve Pharmaceuticals as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides reliable logistics for global distribution, including temperature‑controlled shipping where required.

Manufacturer / TM Owner

Esteve Pharmaceuticals, S.A.

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Indications & Clinical Uses

  • Metyrapone acts on adrenal steroidogenesis, influencing cortisol production.
  • Diagnostic testing for adrenal insufficiency: assists clinicians in evaluating adrenal reserve by provoking cortisol response, helping to confirm diagnosis.
  • Treatment of Cushing's syndrome: reduces excessive cortisol synthesis to help control hypercortisolism, often as part of a multi‑modal therapeutic plan.
  • Pre‑operative assessment of adrenal function: employed to differentiate between primary and secondary adrenal disorders, guiding surgical decision‑making.

How It Works

  • Metyrapone inhibits the enzyme 11β‑hydroxylase (CYP11B1) located in the zona fasciculata of the adrenal cortex. By blocking the conversion of 11‑deoxycortisol to cortisol, it lowers plasma cortisol levels and causes accumulation of steroid precursors. The resulting decrease in cortisol feedback stimulates ACTH release, a property that is useful in diagnostic testing of adrenal function.

Side Effects

Metyrapone may cause a range of adverse reactions, varying from mild to serious.

Common Side Effects

  • Nausea
  • Dizziness
  • Headache
  • Fatigue
  • Abdominal discomfort
  • Diarrhea

Serious or Rare Side Effects

  • Adrenal insufficiency
  • Hypertension
  • Hypokalemia
  • Allergic reactions (rash, angioedema)
  • Hepatic dysfunction
  • Severe electrolyte disturbances

Precautions & Warnings

  • When prescribing Metyrapone, several precautions should be observed to ensure patient safety.
  • Electrolyte monitoring: check serum potassium and sodium regularly due to risk of hypokalemia.
  • Adrenal function assessment: evaluate baseline cortisol levels before initiating therapy.
  • Blood pressure monitoring: observe for hypertension, especially in patients with cardiovascular disease.
  • Hypersensitivity: discontinue if signs of allergic reaction appear.
  • Drug interactions: review concomitant medications that affect CYP3A4 activity.
  • Store at room temperature: keep in the original container, protect from moisture and direct sunlight.

Avoid Interactions

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

Major Interactions (Avoid)

  • Ketoconazole: potent CYP3A4 inhibition may increase metyrapone plasma concentrations, raising risk of toxicity.
  • Rifampicin: strong CYP3A4 induction can markedly reduce metyrapone levels, diminishing therapeutic effect.

Moderate Interactions (Monitor Closely)

  • Antihypertensive agents: cortisol reduction may affect blood pressure control, requiring dose adjustments.
  • Oral contraceptives: altered steroid metabolism may affect hormonal balance.
  • Non‑steroidal anti‑inflammatory drugs (NSAIDs): combined use may increase gastrointestinal irritation.

Frequently Asked Questions

Metopirone (Metyrapone) is used primarily for diagnostic testing of adrenal insufficiency and for the medical management of Cushing's syndrome, where it helps lower excessive cortisol production.

Metyrapone blocks the enzyme 11β‑hydroxylase (CYP11B1) in the adrenal cortex, preventing the final step of cortisol synthesis. This reduces cortisol levels and increases precursor steroids, which can be measured to assess adrenal function.

The appropriate dose of Metopirone is set by the prescribing clinician based on the individual patient's condition, response to therapy, and laboratory monitoring. No fixed dosing regimen is provided here.

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

To order Metopirone, submit an enquiry on the product page at gnhindia.com with 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 other cortisol‑lowering agents such as ketoconazole, Metyrapone provides a more selective inhibition of 11β‑hydroxylase and is often preferred for diagnostic testing. Choice of therapy depends on the clinical scenario, side‑effect profile and physician experience.

Metopirone should be stored at room temperature, below 25 °C, in its original packaging. Keep the product away from moisture, direct sunlight and sources of heat to maintain stability.

Metopirone is administered orally. It can be taken with or without food, but patients should follow the specific instructions provided by their healthcare provider regarding timing and any dietary considerations.

Serious risks include adrenal insufficiency, severe hypertension, significant electrolyte disturbances such as hypokalemia, and rare allergic reactions. Patients should be monitored closely for these events, especially during dose adjustments.

Metopirone should be avoided in individuals with known hypersensitivity to metyrapone, severe hepatic impairment, uncontrolled hypertension, or in patients where rapid cortisol reduction could be harmful. Clinical judgment is required for each case.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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