Allergy against cat dander is the indication of WP1075. The sensitization to the major cat allergen Fel d 1 is very common in countries where cats are held as pets. Estimated 33% of US citizens are allergic to pet animals, and sensitization to cats is twice as high as for dogs. In Europe an estimated 26% of people show allergic reaction to cats. In a recent study in China pet allergy was found to affect 23.6% of participants. Therefore immunotherapy for cat allergy addresses an important illness.
WP1075 is a fusion protein which contains Fel d 1 derived immunogenic epitopes and has been shown to induce the formation of IgG antibodies neutralizing Fel d 1. The product is current in a stage of lead optimization.