Wixela and Trelegy Are Not the Same Medications
No, Wixela and Trelegy are not the same medications as they contain different active ingredients and are used for different indications. 1, 2, 3
Key Differences Between Wixela and Trelegy
Trelegy Ellipta is a triple therapy inhaler containing:
Wixela Inhub is a dual therapy inhaler containing:
- Fluticasone propionate (inhaled corticosteroid)
- Salmeterol (long-acting beta2 agonist/LABA) 3
Important Clinical Implications
Medication Components: Trelegy contains three active ingredients (triple therapy) while Wixela contains only two (dual therapy) 1, 4
Specific Ingredients:
Clinical Use:
Clinical Considerations for Triple vs. Dual Therapy
Triple therapy (like Trelegy) is recommended for:
Single inhaler triple therapy (SITT) may reduce mortality in individuals with moderate-severe disease compared to dual therapy options 5
Practical Considerations
Delivery Device:
Dosing Frequency:
Common Pitfalls to Avoid
Medication Confusion: Do not substitute Wixela for Trelegy as they contain different medications with different dosing schedules 1, 3
Therapeutic Equivalence: While Wixela is bioequivalent to Advair Diskus, it is not equivalent to Trelegy, which has an additional bronchodilator component (umeclidinium) 3
Patient Education: Patients switching between these medications need clear education on the differences in devices, dosing schedules, and expected effects 7
Adherence Considerations: Once-daily dosing with Trelegy may improve adherence compared to multiple-inhaler or twice-daily regimens 4, 6