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Benralizumab

Generic Name: Benralizumab

Brand Names: Fasenra

Benralizumab is a biologic that depletes eosinophils for severe eosinophilic asthma.

RespiratoryBiologicMonoclonal Antibody

What It's Used For

Benralizumab is prescribed for:

  • Severe eosinophilic asthma
  • Add-on maintenance treatment
  • Reducing oral corticosteroid use
  • Respiratory severe disease management

Targets eosinophils through IL-5 receptor binding.

Side Effects

Common side effects:

  • Headache
  • Pharyngitis
  • Injection site reactions
  • Fever

Serious side effects:

  • Hypersensitivity reactions
  • Parasitic infection risk

Additional Information

What is Benralizumab?

Benralizumab is a monoclonal antibody that binds to the IL-5 receptor on eosinophils, causing rapid and near-complete eosinophil depletion.

Unique Mechanism

Unlike other anti-IL-5 biologics, benralizumab causes direct eosinophil cell death through antibody-dependent cellular cytotoxicity (ADCC).

Dosing Convenience

After initial doses, administered every 8 weeks (less frequent than some biologics).

For details, see MedlinePlus.

Medical Disclaimer: This information is for educational purposes only and should not be considered medical advice. Always consult with your healthcare provider before starting, stopping, or changing any medication. Your doctor can provide personalized recommendations based on your specific health condition and medical history.

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