ThreeDistinctMechanismsofAction
1
SequestersfreeIgEtoblockIgEsignaling.

2
SuppressesB-celldifferentiationintoIgE-secretingplasmacells.

3
RapidclearanceofIgEfromcirculationviahighFcγRIIbbindingandbreakdownintheliver.

Asdemonstratedbyomalizumab,IgEinhibitionisavalidatedstrategyforreducingasthmasymptomsanddisABIlity.However,omalizumabreachesonlyafractionofitsmarketpotentialduetosuboptimalpotency.OptimizedwiththeXmAbimmuneinhibitorFcdomain,XmAb7195hasachievedprofoundlylowlevelsofserumIgEininhumanclinicaltesting,eveninsubjectswithIgElevelstoohightotreatwithomalizumab. XmAb7195offersthepotentialforsuperiorIgEcontrolandsuperiorclinicalefficacy.

