Product image of Obracin (Tobramycin) supplied by GNH India

Obracin

Active Ingredient:
Tobramycin
Origin:
EU

Obracin (Tobramycin)

Tobramycin, the active ingredient in Obracin, is an aminoglycoside antibiotic presented as a sterile injectable solution for intravenous or intramuscular use. It treats serious Gram‑negative bacterial infections, such as those caused by Pseudomonas aeruginosa, in hospitalized adults and children requiring parenteral therapy. The formulation meets EU pharmacopeial standards and is produced under stringent quality controls.

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

Manufacturer / TM Owner

Eurocept International Bv

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Indications & Clinical Uses

Obracin (tobramycin) is used to treat infections caused by Gram‑negative bacteria in several clinical settings.

  • Hospital‑acquired pneumonia: effective against Pseudomonas and other Gram‑negative pathogens.
  • Complicated urinary tract infection: eradicates susceptible Gram‑negative organisms.
  • Intra‑abdominal infection: used in combination therapy for severe intra‑abdominal sepsis.
  • Cystic fibrosis lung infection (inhalation): reduces Pseudomonas colonisation in the airways.

How It Works

  • Obracin (tobramycin) binds to the bacterial 30S ribosomal subunit, causing misreading of mRNA and inhibition of protein synthesis. This bactericidal action leads to rapid cell death, particularly in aerobic Gram‑negative organisms such as Pseudomonas, Escherichia coli, and Klebsiella species. The drug’s uptake is oxygen‑dependent, enhancing its activity in well‑oxygenated tissues.

Side Effects

Adverse reactions to tobramycin may vary in frequency and severity.

Common Side Effects

  • Nephrotoxicity: elevated serum creatinine or reduced urine output.
  • Ototoxicity: transient tinnitus or hearing loss.
  • Vestibular dysfunction: dizziness or balance disturbances.
  • Injection site pain: local discomfort or erythema.

Serious or Rare Side Effects

  • Permanent hearing loss: irreversible auditory damage.
  • Severe renal failure: acute kidney injury requiring dialysis.
  • Neuromuscular blockade: respiratory muscle weakness.
  • Allergic reactions: rash, urticaria, or anaphylaxis.

Precautions & Warnings

When using Obracin, clinicians should observe specific safety measures.

  • Renal function monitoring: assess serum creatinine before and during therapy.
  • Auditory testing: perform baseline and periodic hearing assessments.
  • Dose adjustment: modify dose in patients with impaired renal clearance.
  • Concomitant nephrotoxins: avoid or closely monitor use with other kidney‑toxic drugs.
  • Pregnancy and lactation: use only if benefits outweigh potential risks.
  • Store at room temperature: keep in original container, protect from moisture and light.

Avoid Interactions

Tobramycin may interact with other medicines, altering efficacy or toxicity.

Major Interactions (Avoid)

  • Loop diuretics (e.g., furosemide): increased risk of nephrotoxicity.
  • Other aminoglycosides: additive ototoxic and nephrotoxic effects.
  • Neuromuscular blocking agents (e.g., vecuronium): enhanced muscle weakness.

Moderate Interactions (Monitor Closely)

  • Vancomycin: potential synergistic nephrotoxicity.
  • NSAIDs: may reduce renal clearance, increasing toxicity risk.
  • ACE inhibitors or ARBs: may impair renal function, requiring dose adjustment.

Frequently Asked Questions

Obracin contains the aminoglycoside tobramycin and is indicated for serious Gram‑negative bacterial infections. Typical clinical uses include hospital‑acquired pneumonia, complicated urinary tract infections, intra‑abdominal sepsis, and inhalation therapy for cystic fibrosis patients with Pseudomonas lung colonisation.

Tobramycin binds to the 30S subunit of bacterial ribosomes, causing misreading of messenger RNA and halting protein synthesis. This leads to rapid bacterial cell death, especially in aerobic Gram‑negative organisms such as Pseudomonas, Escherichia coli, and Klebsiella species.

The dosing regimen for Obracin is individualized. A qualified prescriber determines the dose, frequency, and duration based on the infection type, patient weight, renal function, and severity of illness. No fixed dose can be provided without a medical prescription.

Data on tobramycin use during pregnancy and lactation are limited. The drug crosses the placenta and may affect the fetus, and it can be secreted in breast milk. Use is reserved for situations where the potential benefit outweighs the possible risk to the mother and child.

To place an order, submit an enquiry on the Obracin 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 if required) and necessary import documentation.

Obracin (tobramycin) belongs to the aminoglycoside class, similar to gentamicin and amikacin. Compared with gentamicin, tobramycin often shows greater activity against Pseudomonas aeruginosa but shares similar risks of nephrotoxicity and ototoxicity. Choice between agents depends on local susceptibility patterns, patient renal function, and clinician preference.

Obracin should be stored at room temperature, below 25 °C, in its original packaging to protect it from moisture and light. Do not freeze the product. Before use, inspect the vial for particulate matter or discoloration and discard if any abnormalities are observed.

Obracin is supplied as a sterile injectable solution for intravenous or intramuscular injection. Administration is performed by a qualified healthcare professional using aseptic technique. The infusion rate and volume are determined by the prescriber, and the drug may be given as a bolus or diluted in compatible IV fluids.

The most serious adverse effects of tobramycin include irreversible ototoxicity (permanent hearing loss or balance impairment) and severe nephrotoxicity leading to acute kidney injury. Neuromuscular blockade causing respiratory muscle weakness can also occur, especially when combined with other neuromuscular blocking agents.

Obracin is contraindicated in patients with a known hypersensitivity to tobramycin or any aminoglycoside. It should be used with extreme caution, or avoided, in individuals with pre‑existing severe renal impairment, significant hearing loss, or those receiving other nephrotoxic or ototoxic medications.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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