Bayer acquires AskBio to broaden cell and gene therapy innovation

Image of a woman and man pushing two halves of an arrow together to join like a jigsaw to show Bayer acquires AskBio to broaden cell and gene therapy innovation

Bayer AG has announced the acquisition of Asklepios BioPharmaceutical, Inc, AskBio, a US-headquartered biopharmaceutical company specialised in the research, development and manufacturing of gene therapies across different therapeutic areas.

AskBio’s development portfolio includes investigational pre-clinical and clinical stage candidates for the treatment of neuromuscular, central nervous system, cardiovascular and metabolic diseases.

Bayer will own full rights to AskBio’s gene therapy platform, including a broad intellectual property portfolio and an established contract development and manufacturing organisation (CDMO) laying the foundation for future partnerships in the area of adeno-associated virus (AAV) therapies.

The addition of AskBio to Bayer’s emerging cell and gene therapy (CGT) business strengthens Bayer’s commitment to the field. It complements the 2019 acquisition of BlueRock Therapeutics and consolidates Bayer’s ambition to create platforms with the potential to have an impact in multiple therapeutic areas. Under the terms of the agreement, Bayer will pay an upfront consideration of USD 2 billion and potential success-based milestone payments of up to USD 2 billion. Some 75% of the potential success-based milestone payments are expected to be due during the course of the next five years and the remaining amount late thereafter.


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Through the acquisition, Bayer will add an industry-leading adeno-associated virus (AAV)-based gene therapy platform to its portfolio, which has already demonstrated applicability across different therapeutic areas. Besides multiple clinical-stage assets for indications with high unmet need, the acquisition includes a state-of-the-art gene therapy technology platform as well as existing gene therapy manufacturing platform.

Gene therapy offers new treatment options for many currently untreatable diseases, particularly genetic diseases caused by a single genetic defect.

AskBio’s gene therapy platform includes an industry-leading cell line manufacturing process and an extensive AAV capsid and promoter library. The company has generated hundreds of proprietary third generation AAV capsids and promoters that offer differentiation through potentially improved efficacy, immune response and tissue and organ specificity. The platform represents one of the most advanced gene therapy platforms with the promise to also tackle polygenetic indications thereby also helping a larger number of patients. AskBio’s lead research programs, which are focused on Pompe disease, Parkinson’s disease and congestive heart failure are currently in early phases of clinical development.

To preserve its entrepreneurial culture as an essential pillar for nurturing successful innovation, AskBio will continue to operate as an independent company on an arm’s-length basis. Bayer’s newly established CGT unit will bundle Bayer’s activities in this area moving forward in order to establish an innovation ecosystem for the participating partners within the Bayer organisation.

Closing of the transaction is contingent on customary closing conditions, including receipt of the required regulatory approvals, and is expected to take place during the fourth quarter of 2020.

Credit Suisse is serving as financial advisor to Bayer, while Baker McKenzie is serving as legal counsel. JP Morgan is serving as financial advisor to AskBio, while Ropes & Gray is serving as legal counsel.