Product image of Nimbex (Cisatracurium) supplied by GNH India

Nimbex

Active Ingredient:
Cisatracurium
Origin:
EU

Nimbex (Cisatracurium)

Cisatracurium, the active ingredient in Nimbex, is a non-depolarizing neuromuscular blocking agent presented as an intravenous solution for intravenous use. It produces skeletal muscle relaxation by competitively antagonising nicotinic acetylcholine receptors, and is used to facilitate endotracheal intubation, maintain muscle relaxation during surgery, and support patients on mechanical ventilation.

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

Manufacturer / TM Owner

Aspen Pharma Trading Limited

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Indications & Clinical Uses

Cisatracurium is a non‑depolarizing neuromuscular blocker used in peri‑operative and critical‑care settings to achieve controlled skeletal muscle relaxation.

  • Endotracheal intubation: facilitates safe placement of the airway tube by providing rapid muscle relaxation.
  • Surgical procedures: maintains adequate muscle relaxation throughout general anesthesia for optimal surgical conditions.
  • Mechanical ventilation: sustains muscle relaxation in intubated patients requiring prolonged ventilatory support.

How It Works

  • Cisatracurium acts by competitively binding to nicotinic acetylcholine receptors at the neuromuscular junction, preventing acetylcholine from triggering depolarisation of the motor end‑plate. This blockade inhibits transmission of nerve impulses to skeletal muscle fibers, resulting in dose‑dependent muscle relaxation without depolarising the membrane.

Side Effects

Cisatracurium may be associated with a range of adverse reactions, varying from mild to severe.

Common Side Effects

  • Histamine release: flushing, erythema, or pruritus.
  • Transient hypotension: mild drop in blood pressure.
  • Bradycardia: slower heart rate.
  • Dry mouth: reduced salivation.

Serious or Rare Side Effects

  • Anaphylaxis: severe allergic reaction with airway compromise.
  • Prolonged neuromuscular blockade: extended paralysis requiring ventilation.
  • Hyperkalemia: elevated serum potassium in susceptible patients.
  • Cardiac arrhythmias: irregular heart rhythms.

Precautions & Warnings

When using cisatracurium, clinicians should observe specific precautions to minimise risks and ensure optimal patient safety.

  • Patient monitoring: continuously assess neuromuscular function and depth of blockade.
  • Histamine sensitivity: avoid rapid bolus in patients with known histamine reactions.
  • Renal/hepatic impairment: adjust dosing as drug metabolism may be altered.
  • Concurrent neuromuscular blockers: avoid additive effects with other agents.
  • Pregnancy and lactation: use only if benefit outweighs potential risk, as safety data are limited.
  • Store at ambient temperature: keep in original container, protect from light and moisture.

Avoid Interactions

Cisatracurium can interact with several drugs, influencing its efficacy or safety profile.

Major Interactions (Avoid)

  • Aminoglycoside antibiotics: may potentiate neuromuscular blockade.
  • Lithium: can enhance muscle relaxation and prolong effect.
  • Magnesium sulfate: increases risk of profound blockade.

Moderate Interactions (Monitor Closely)

  • Volatile anesthetics (e.g., sevoflurane): may augment blockade.
  • Inhaled nitrous oxide: can slightly increase effect.
  • Calcium channel blockers: may modify response.

Frequently Asked Questions

Nimbex, containing the active ingredient cisatracurium, is used as an adjunct to general anesthesia to facilitate endotracheal intubation, provide skeletal muscle relaxation during surgical procedures, and maintain relaxation in patients who require prolonged mechanical ventilation.

Cisatracurium works by competitively antagonising nicotinic acetylcholine receptors at the neuromuscular junction. This blocks acetylcholine‑mediated depolarisation of the motor end‑plate, preventing transmission of nerve impulses to skeletal muscle and producing dose‑dependent muscle relaxation.

The dosage of Nimbex is determined by the prescribing clinician based on the patient’s weight, clinical condition, and the required depth of muscle relaxation. Dosing regimens are individualized and should follow local guidelines and the product’s prescribing information.

Safety data for cisatracurium in pregnancy and lactation are limited. It should be used only if the potential benefit justifies any possible risk to the fetus or infant, and the decision should be made by the treating physician.

To order Nimbex, 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 (including cold‑chain where applicable) and any necessary import documentation.

Nimbex (cisatracurium) is a non‑depolarizing agent that undergoes Hofmann elimination, making its metabolism largely independent of renal or hepatic function. This contrasts with agents such as rocuronium, which are primarily excreted unchanged by the kidneys, and may be preferred in patients with organ impairment.

Store Nimbex at ambient temperature, preferably below 25 °C. Keep the vial in its original packaging, protect it from light, and avoid exposure to moisture. Do not freeze the product.

Nimbex is supplied as an intravenous solution and is administered by slow intravenous injection or infusion under continuous monitoring of neuromuscular function. The route of administration is strictly intravenous.

Serious risks include anaphylactic reactions, prolonged neuromuscular blockade requiring extended mechanical ventilation, severe hypotension, and cardiac arrhythmias. Prompt recognition and appropriate supportive measures are essential if these events occur.

Patients with known hypersensitivity to cisatracurium or any component of the formulation should not receive Nimbex. Caution is also advised in individuals with severe hepatic or renal impairment, uncontrolled electrolyte disturbances, or a history of malignant hyperthermia.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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