Product image of Inoxgen (Nitric Oxide) supplied by GNH India

Inoxgen

Active Ingredient:
Nitric Oxide
Origin:
EU

Inoxgen (Nitric Oxide)

Nitric Oxide, the active ingredient in Inoxgen, is a vasodilator presented as an inhalation gas for inhalation use. It treats pulmonary hypertension, neonatal respiratory distress syndrome, and acute respiratory failure in appropriate patient populations.

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

Manufacturer / TM Owner

Nippon Gases Portugal Unipessoal Lda.

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Indications & Clinical Uses

  • Inoxgen acts on the pulmonary vascular system to provide selective vasodilation in several serious respiratory conditions.
  • Pulmonary hypertension: reduces pulmonary arterial pressure and improves exercise capacity.
  • Neonatal respiratory distress syndrome: facilitates pulmonary vasodilation to improve oxygenation in newborns.
  • Acute respiratory failure: provides selective pulmonary vasodilation to support gas exchange.

How It Works

  • Nitric Oxide activates soluble guanylate cyclase in pulmonary smooth‑muscle cells, increasing intracellular cyclic GMP levels. Elevated cGMP leads to relaxation of pulmonary vascular smooth muscle, producing selective vasodilation of the pulmonary circulation without significant systemic effects.

Side Effects

Inoxgen may cause a range of adverse reactions, from mild to severe.

Common Side Effects

  • Cough: mild airway irritation during inhalation.
  • Flushing: transient warmth and redness of the skin.
  • Headache: mild to moderate headache episodes.
  • Nausea: occasional feeling of queasiness.

Serious or Rare Side Effects

  • Hypotension: significant drop in systemic blood pressure.
  • Methemoglobinemia: rare oxidation of hemoglobin impairing oxygen transport.
  • Pulmonary edema: accumulation of fluid in the lungs, potentially life‑threatening.

Precautions & Warnings

  • When using Inoxgen, clinicians should observe several safety measures.
  • Monitor blood pressure: watch for systemic hypotension.
  • Assess oxygenation: ensure adequate arterial oxygen levels.
  • Avoid use in severe anemia: increased risk of methemoglobinemia.
  • Use caution in pregnancy: insufficient safety data available.
  • Do not combine with other potent pulmonary vasodilators without supervision.
  • Store at ambient temperature: keep container sealed, protect from moisture and direct sunlight.

Avoid Interactions

Inoxgen can interact with other medications that affect vascular tone or cGMP pathways.

Major Interactions (Avoid)

  • Concurrent use with other pulmonary vasodilators (e.g., sildenafil): risk of severe hypotension.
  • Co‑administration with nitric oxide donors (e.g., nitroglycerin): additive vasodilatory effect.
  • Use with methylene blue: antagonizes nitric oxide activity.

Moderate Interactions (Monitor Closely)

  • Combination with anticoagulants: monitor for increased bleeding.
  • Use with inhaled anesthetics: may enhance respiratory depression.
  • Interaction with drugs affecting cGMP metabolism (e.g., riociguat): monitor clinical response.

Frequently Asked Questions

Inoxgen is an inhaled nitric oxide gas prescribed for conditions that benefit from selective pulmonary vasodilation, including pulmonary hypertension, neonatal respiratory distress syndrome, and acute respiratory failure. By targeting the lungs, it helps lower pulmonary arterial pressure and improve oxygenation in these serious respiratory disorders.

Nitric oxide released from Inoxgen activates soluble guanylate cyclase in the smooth‑muscle cells of the pulmonary vasculature. This activation raises cyclic GMP levels, causing relaxation of the pulmonary arteries and resulting in selective vasodilation that improves blood flow and gas exchange without markedly affecting systemic circulation.

The dose of Inoxgen is determined by the prescribing clinician based on the patient’s condition, severity, and response to therapy. Dosage is individualized and administered via a specialized inhalation delivery system under medical supervision; exact dosing regimens are not publicly disclosed.

Safety data for Inoxgen in pregnancy and lactation are limited. Because the effects on the fetus or nursing infant are not well established, it should be used only if the potential benefit justifies any potential risk, and only under close medical supervision.

To order Inoxgen, 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 the necessary import documentation.

Inoxgen delivers nitric oxide directly to the lungs, offering rapid and reversible pulmonary vasodilation. Compared with inhaled prostacyclin analogues, nitric oxide has a shorter half‑life and allows precise titration, but both classes aim to lower pulmonary pressure. Choice of therapy depends on patient-specific factors, drug availability, and clinician preference.

Inoxgen should be stored at ambient temperature, ideally below 25 °C, in its original sealed container. Protect the gas from moisture, direct sunlight, and physical damage. Follow the manufacturer’s handling instructions to maintain gas purity and ensure safe administration.

Inoxgen is administered by inhalation using a calibrated delivery system that mixes the gas with the patient’s breathing circuit. The administration is performed under continuous monitoring of respiratory and hemodynamic parameters to adjust the dose as needed and to detect any adverse effects promptly.

The most serious risks include systemic hypotension, which can compromise blood pressure, methemoglobinemia, a rare condition that impairs oxygen transport, and pulmonary edema, which may worsen respiratory status. Patients should be closely monitored for these events, especially during dose escalation.

Inoxgen is contraindicated in patients with severe anemia, known hypersensitivity to nitric oxide, uncontrolled systemic hypotension, or those receiving other potent pulmonary vasodilators without careful supervision. Clinicians should also exercise caution in neonates with certain cardiac defects and in pregnant or breastfeeding women when safer alternatives exist.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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