Pieris has announced a strategic collaboration in respiratory diseases with AstraZeneca to develop novel inhaled drugs that leverage Pieris’ Anticalin platform, including its lead preclinical drug candidate, PRS-060.

Anticalin molecules are engineered proteins which can mimic antibodies by binding to sites either on other proteins or on small molecules. They are smaller than monoclonal antibodies, offering the potential of direct delivery to the lung.

Under the collaboration, Pieris will be responsible for advancing its preclinical lead candidate, PRS-060, into Phase 1 clinical trials in 2017. PRS-060 is an Anticalin against interleukin-4 receptor alpha (IL-4Ra) with potential in asthma. AstraZeneca will fund all clinical development and subsequent commercialization programs and Pieris has the option of co-development and co-commercialization in the US from Phase 2a onwards. In addition, the parties will collaborate to progress four additional novel Anticalins against undisclosed targets for respiratory diseases with Pieris having the option to co-develop and co-commercialize in the US two of these programs.

AstraZeneca will make an upfront and near term milestone payments to Pieris in the amount of 57,5 Mio. USD – 45 Mio. USD of upfront payments and 12,5 Mio. USD for the initiation of the PRS-060 Phase 1 trial. Pieris has the potential to receive developmentdependent milestones and eventual commercial payments for all products not exceeding 2,1 Mrd. USD as well as tiered royalties on the sales of any potential products commercialized by AstraZeneca. For programs co-developed by Pieris, the Company stands to receive increased royalties or a gross margin share on worldwide sales equal, dependent on the level of investment to which Pieris commits.

The collaboration agreement is conditional upon the expiration or early termination of the applicable waiting period (and any extension thereof) under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended.

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