FDA pharmacologic class
Interleukin-5 Antagonist
2 medicines are in FDA's class of interleukin-5 antagonists: mepolizumab (Nucala) and reslizumab (Cinqair). 0 of the 2 are listed from generic labelers (FDA NDC Directory, October 8, 2026).
Which medicines are interleukin-5 antagonist?
| Medicine | Brand names | Generic labelers (all forms) | Pharmacy cost | Boxed warning | Shortage | Recalls since 2012 |
|---|---|---|---|---|---|---|
| Mepolizumab | Nucala | none listed | n/a | No | No current entry | 1 |
| Reslizumab | Cinqair | none listed | n/a | Yes | No current entry | 0 |
Source: FDA Established Pharmacologic Class (NDC Directory, openFDA); CMS NADAC of October 7, 2026; FDA shortages and recalls (FDA files October 8, 2026)