Product image of Nartex (Sodium Oxybate) supplied by GNH India

Nartex

Active Ingredient:
Sodium Oxybate
Origin:
EU

Nartex (Sodium Oxybate)

Sodium Oxybate, the active ingredient in Nartex, is a GABA_B receptor agonist presented as an oral formulation for oral use. It is approved in the EU for the treatment of narcolepsy with cataplexy and excessive daytime sleepiness in adult patients.

GNH India supplies Nartex as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company provides quality‑assured product batches under strict GMP conditions to meet the needs of healthcare providers in diverse markets and supports reliable logistics for timely delivery.

Manufacturer / TM Owner

Kalceks

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Indications & Clinical Uses

Nartex (sodium oxybate) is used in the central nervous system disorder category of narcolepsy.

  • Narcolepsy with cataplexy: reduces cataplexy episodes and improves nighttime sleep quality.
  • Excessive daytime sleepiness (EDS) associated with narcolepsy: decreases daytime sleepiness and improves wakefulness.
  • Fragmented nighttime sleep in narcolepsy: enhances slow‑wave sleep and reduces sleep fragmentation.

How It Works

  • Sodium Oxybate acts as an agonist at GABA_B receptors, enhancing inhibitory GABAergic neurotransmission in the central nervous system. This activation reduces neuronal firing rates, promotes the generation of slow‑wave sleep, and consolidates nighttime sleep architecture, which in turn diminishes daytime sleepiness and cataplexy in patients with narcolepsy. The drug’s short half‑life requires multiple nightly doses to maintain therapeutic levels throughout the sleep period.

Side Effects

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

Common Side Effects

  • Nausea: mild to moderate stomach upset.
  • Headache: transient cranial discomfort.
  • Dizziness: sensation of lightheadedness.
  • Nasal congestion: blockage or runny nose.
  • Fatigue: increased tiredness after dosing.

Serious or Rare Side Effects

  • Respiratory depression: reduced breathing effort, potentially life‑threatening.
  • Seizures: occurrence of convulsive episodes.
  • Severe hypotension: marked drop in blood pressure.
  • Allergic reactions: rash, itching, swelling, or anaphylaxis.
  • Abuse potential: risk of dependence or misuse.

Precautions & Warnings

When prescribing sodium oxybate, clinicians should consider several safety precautions to minimize risk.

  • Contraindication: avoid use in patients with a known hypersensitivity to sodium oxybate.
  • Respiratory disorders: monitor closely in individuals with sleep‑disordered breathing or COPD.
  • Concomitant CNS depressants: limit use with alcohol, benzodiazepines, or opioids.
  • Pregnancy: use only if the potential benefit justifies the potential risk, as safety data are limited.
  • Driving and machinery: advise patients that the drug may impair alertness and should not operate vehicles until they know its effects.
  • Store at ambient temperature: keep below 25 °C in the original container, protect from moisture and light.

Avoid Interactions

Sodium oxybate can interact with other medicines, and interactions are classified by their clinical significance.

Major Interactions (Avoid)

  • Alcohol: combined use can cause profound respiratory depression and excessive sedation.
  • Opioids: additive CNS depression may lead to life‑threatening outcomes.
  • Benzodiazepines: heightened sedative effect increases risk of overdose.

Moderate Interactions (Monitor Closely)

  • Antidepressants (e.g., SSRIs, SNRIs): may increase risk of serotonin syndrome.
  • Antihypertensives: sodium oxybate can enhance blood pressure‑lowering effects.
  • Anticonvulsants: possible alteration of seizure threshold.

Frequently Asked Questions

Nartex contains sodium oxybate and is prescribed to treat narcolepsy with cataplexy and the associated excessive daytime sleepiness in adult patients. It helps reduce cataplexy attacks and improves nighttime sleep quality, thereby enhancing daytime alertness.

Sodium oxybate works by activating GABA_B receptors in the brain, which increases inhibitory GABAergic signaling. This action promotes slow‑wave sleep, consolidates nighttime sleep architecture, and reduces the frequency of cataplexy episodes and daytime sleepiness.

The dosage of Nartex is individualized. A qualified prescriber determines the appropriate dose and dosing schedule based on the patient’s clinical condition, response to therapy, and safety considerations. Patients should follow the prescribing information provided by their healthcare professional.

Safety data for sodium oxybate in pregnancy and lactation are limited. It should be used only if the potential benefit to the mother outweighs any possible risk to the fetus or infant. Women who are pregnant, planning pregnancy, or breastfeeding should discuss risks with their physician.

To request Nartex, submit an enquiry on the product page at gnhindia.com specifying the required quantity. GNH India supplies hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details and any necessary import documentation.

Nartex (sodium oxybate) is the only medication approved specifically for cataplexy and for improving nighttime sleep quality, whereas other agents such as modafinil primarily address daytime sleepiness. Sodium oxybate’s unique mechanism of enhancing slow‑wave sleep makes it distinct within the narcolepsy therapeutic class.

Nartex should be stored at ambient temperature, preferably below 25 °C. Keep the product in its original packaging, protect it from moisture and direct light, and ensure the container is tightly closed when not in use.

Nartex is taken orally, usually as a liquid solution, and is typically divided into two nightly doses taken at bedtime and a few hours later. The exact administration schedule is determined by the prescribing clinician.

Serious risks include respiratory depression, severe hypotension, seizures, and potential for abuse or dependence. Patients should be monitored closely for signs of respiratory compromise, especially when combined with other central nervous system depressants.

Nartex should not be used by individuals with a known hypersensitivity to sodium oxybate, those with severe respiratory disorders, or patients who are currently abusing alcohol or other depressant substances. It is also contraindicated in patients for whom the risks outweigh the therapeutic benefits.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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