These are made from the immune system cells in the body. Xolair comes in three forms: a syringe prefilled with solution, an autoinjector prefilled with solution, and a vial of powdered medication.

The FDA has approved a new prefilled syringe formulation for Roche’s asthma drug Xolair, as the Swiss company aims to prolong its shelf life. Xolair (omalizumab) generated revenues of more than ...