AZ and Amgen launched Tezspire in January after winning FDA approval for the monoclonal antibody last December as an add-on treatment for severe patients 12 and older. Before the DTC campaign, AZ and Amgen ran an unbranded awareness campaign, tapping E! host Nina Parker to help patients learn how to "break the cycle" of uncontrolled asthma, though it was not directly linked to Tezspire.