Name	Starting dosage	Dose form	Approximate cost*
Omalizumab (Xolair)	150 to 375 mg subcutaneously, every 2 or 4 weeks (based on patient’s weight and serum IgE level)	5-mL vial containing 150 mg omalizumab for injection	150 mg: $541 (for 2 weeks), $1,082 (for 4 weeks)†
			375 mg: $1,353 (for 2 weeks), $2,706 (for 4 weeks)†