Mechanism
How Mepolizumab works
Binds interleukin-5, reducing eosinophil activation, survival, and airway eosinophilic inflammation.
← Respiratory Pharmacology
BIONBRC High Yield5/5 Importance
Mepolizumab Respiratory Pharmacology Guide
Class, mechanism, indications, adverse effects, kinetics, exam traps, and NBRC-style study pearls.
Mepolizumab is a monoclonal antibody that targets interleukin-5 and is used as add-on maintenance therapy for severe eosinophilic asthma. It reduces eosinophil-driven airway inflammation and exacerbation frequency. For NBRC-style questions, associate mepolizumab with IL-5 and eosinophilic asthma.
Clinical Pearl
What to remember
Anti-IL-5 biologics are linked to eosinophilic asthma.
Kinetics
Onset, peak, and duration
1
Onset
Weeks
2
Peak
Variable
3
Duration
Long-term biologic therapy
Quick facts
- Subclass
- Anti-IL-5 monoclonal antibody
- NBRC importance
- 5/5
- Difficulty
- 4/5
- Brands
- Nucala
Common indications
- Severe eosinophilic asthma
- Add-on maintenance therapy for eosinophilic asthma
Adverse effects
- Headache
- Injection site reactions
- Back pain
- Fatigue
- Herpes zoster
Contraindications
- Hypersensitivity to mepolizumab or formulation components
Cautions and safety issues
- Not a rescue medication
- Consider herpes zoster risk
- Monitor for hypersensitivity reactions
NBRC-style question
NBRC-style pharmacology review
A patient scenario involves severe eosinophilic asthma. Which medication concept should the respiratory therapy student recognize?
High-yield answer
Mepolizumab = Anti-IL-5
Interactive practice
Practice in PharmaGenius
Master this medication through adaptive review of class, mechanism, indications, adverse effects, exam traps, and clinical scenarios. Missed concepts can later be surfaced for targeted remediation.
ClassPractice
MechanismPractice
Clinical usePractice
Adverse effectsPractice
ScenarioPractice
Common Exam Traps
These are the answer choices, mechanisms, or medication classes most commonly confused with this medication on RT school and NBRC-style exams.
- Anti-IgE
- Anti-IL-4 receptor
- Inhaled corticosteroid
- Bronchodilator
- Mucolytic
High-Yield Clinical Scenarios
- Severe eosinophilic asthma
- Biologic selection question
- Question distinguishing anti-IgE versus anti-IL-5 therapy
Related study paths
Continue building pharmacology mastery
Use this medication page as a reference, then reinforce it with interactive practice and related PulmTools study resources.