Can Xolair (omalizumab) be safely used in combination with biologics for patients with rheumatic disease?

Ghazanfar & Thomsen, PMID 30132352

The above article addresses combined Xolair and Enbrel. Keep in mind, if RA flares or worsens after starting Xolair, it could be SE as it is well known to have a polyarticular small joint pattern similar to RA. So, the timing of Xolair initiation to RA loss of cont...