Product image of Inotrex (Dobutamine) supplied by GNH India

Inotrex

Active Ingredient:
Dobutamine
Origin:
EU

Inotrex (Dobutamine)

Dobutamine, the active ingredient in Inotrex, is a Beta-1 adrenergic agonist presented as an intravenous solution for intravenous use. It is employed to improve cardiac output in patients with acute heart failure and cardiogenic shock.
GNH India supplies Inotrex as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals worldwide.

Manufacturer / TM Owner

Pharmaserve Hellas S.A.C.I

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Indications & Clinical Uses

  • Dobutamine is used as an inotropic agent to support cardiac function in acute cardiovascular emergencies.
  • Acute heart failure: increases myocardial contractility and cardiac output, helping relieve symptoms.
  • Cardiogenic shock: restores perfusion pressure by boosting heart pump performance.
  • Low cardiac output states: provides hemodynamic support when conventional therapy is insufficient.

How It Works

  • Dobutamine selectively stimulates beta‑1 adrenergic receptors in the myocardium, leading to increased cyclic AMP production. This enhances calcium influx during systole, which raises myocardial contractility (positive inotropy) and modestly raises heart rate, thereby improving stroke volume and overall cardiac output without significant peripheral vasoconstriction.

Side Effects

Dobutamine may cause a range of adverse reactions that vary in frequency and severity.

Common Side Effects

  • Tachycardia: rapid heart rate due to beta‑1 stimulation.
  • Hypertension: elevated blood pressure from increased cardiac output.
  • Nausea: gastrointestinal discomfort reported in some patients.

Serious or Rare Side Effects

  • Myocardial ischemia: increased oxygen demand may precipitate chest pain.
  • Severe arrhythmias: ventricular tachycardia or fibrillation can occur.
  • Hypotension: abrupt drops in blood pressure, especially with rapid bolus dosing.
  • Allergic reaction: rash, itching, or anaphylaxis in susceptible individuals.

Precautions & Warnings

  • Dobutamine requires careful monitoring and specific safety measures before and during administration.
  • Monitor cardiac rhythm: continuous ECG is recommended to detect arrhythmias early.
  • Assess blood pressure: watch for hypertension or hypotension and adjust infusion accordingly.
  • Use caution in ischemic heart disease: increased myocardial demand may worsen angina.
  • Avoid rapid bolus administration: give as a controlled infusion to reduce arrhythmic risk.
  • Store at 2-8°C: keep refrigerated, protect from light, do not freeze.

Avoid Interactions

Dobutamine can interact with several drug classes, influencing its efficacy or safety profile.

Major Interactions (Avoid)

  • Beta‑adrenergic antagonists: may blunt the inotropic response.
  • Non‑dihydropyridine calcium channel blockers: increase risk of atrioventricular block.
  • Monoamine oxidase inhibitors: potential for hypertensive episodes.

Moderate Interactions (Monitor Closely)

  • Diuretics: electrolyte shifts may affect cardiac response.
  • ACE inhibitors: additive hypotensive effect requires blood pressure monitoring.
  • Digitalis glycosides: heightened risk of arrhythmias when combined.

Frequently Asked Questions

Inotrex contains dobutamine, an inotropic agent used in hospital settings to increase cardiac contractility and output in patients experiencing acute heart failure or cardiogenic shock. It helps stabilize hemodynamics while other supportive measures are applied.

Dobutamine selectively activates beta‑1 adrenergic receptors in heart muscle, raising cyclic AMP levels. This enhances calcium entry during each heartbeat, producing stronger contractions (positive inotropy) and modestly increasing heart rate, which together raise stroke volume and overall cardiac output.

The dosage of Inotrex is determined by the prescribing clinician based on the patient’s condition, weight, and response. It is administered intravenously as a controlled infusion, and the exact rate and duration are individualized for each case.

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

To order Inotrex, 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 import documentation.

Compared with agents such as dopamine or norepinephrine, dobutamine (Inotrex) provides stronger beta‑1 stimulation with less peripheral vasoconstriction, making it preferable when the primary goal is to improve contractility without markedly raising systemic vascular resistance.

Inotrex should be stored at 2‑8 °C, protected from light, and kept in its original packaging. Do not freeze the solution, and avoid shaking vigorously, as this could affect stability.

Inotrex is given intravenously, typically as a continuous infusion. The infusion rate is set by the treating physician and adjusted according to hemodynamic monitoring, ensuring safe and effective delivery of the drug.

Serious risks include myocardial ischemia, severe arrhythmias such as ventricular tachycardia or fibrillation, and hypotension from rapid dosing. Continuous cardiac monitoring is essential to detect and manage these events promptly.

Inotrex is contraindicated in patients with known hypersensitivity to dobutamine or any component of the formulation, and it should be used with extreme caution in individuals with uncontrolled arrhythmias, severe aortic stenosis, or recent myocardial infarction unless benefits clearly outweigh risks.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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