TABLE II.
FDA-approved IL-1–targeted therapies
| Compound | Structure | Target | Half-life | Dosing frequency | Other features |
|---|---|---|---|---|---|
| Anakinra (Kineret) | Recombinant IL-1 receptor antagonist | IL-1 receptor | 4–6 h | Daily | Common painful injection-site reactions |
| Rilonacept (Arcalyst) | Fusion protein, including IL-1 receptor and IL-1 receptor accessory protein (IL-1 TRAP) | IL-1β (also IL-1α and IL-1Ra) | 8.6 d | Weekly | Minor injection-site reactions |
| Canakinumab (Ilaris) | Humanized mAb to IL-1β | IL-1β | 28 d | 2 mo | Minimal injection-site reactions |