mepolizumab · Medicine question

How long must a Nucala (mepolizumab) 100 mg pre-filled pen be allowed to reach room temperature after removal from the refrigerator before injection?

Name: How long must a Nucala (mepolizumab) 100 mg pre-filled pen be allowed to reach room temperature after removal from the refrigerator before injection?
Published: 2026-11-08T14:21:46.623Z

iatroX medicinesPublished 8 November 2026

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Answer

After removal from the refrigerator, a Nucala (mepolizumab) 100 mg pre-filled pen must be allowed to reach room temperature for at least 30 minutes before injection.

Sources for this answer

Nucala 100 mg solution for injection in pre-filled penGlaxoSmithKline UK · emc · SmPC §6.6 Special precautions for disposal and other handling · Version 11Document updated 12 January 2026

Sources checked 8 November 2026

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