Pfizer's proposed $43 bn takeover of Seagen faces EU investigation

If the takeover goes through, Seagen's portfolio would double Pfizer's pipeline of early-stage experimental cancer therapies, Pfizer has said




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By Samuel Stolton

Pfizer Inc.’s proposed $43 billion takeover of Seagen Inc. will face an investigation from the European Union’s merger enforcer as the bloc continues to scrutinize large biotechnology deals.   
Seagen disclosed in a regulatory filing late Friday that both firms have referred the deal to the European Commission, and the EU executive has accepted jurisdiction for investigating the proposal. The filings say that EU approval is a condition for the deal to close.   

In the United States, the Federal Trade Commission will subject the proposed merger to an in-depth antitrust review, as is normal for major deals. The companies said when the takeover was announced that they expected close FTC scrutiny.

Pfizer announced in March that it would buy the Bothell, Washington-based cancer-drug maker as a way to move out of pandemic mode. Seagen is a leader in developing a type of medicine called antibody-drug conjugates, which use antibodies to deposit a strong concentration of drug directly at a tumor site — an effort to increase efficacy with fewer side effects.

If the takeover goes through, Seagen’s portfolio would double Pfizer’s pipeline of early-stage experimental cancer therapies, Pfizer has said.

Notice of the investigation comes as the EU continues to heavily scrutinize large biotech deals. 

This week, the bloc hit DNA-sequencing giant Illumina Inc. with a €432 million ($476 million) fine for pushing through its $7 billion acquisition of cancer-test provider Grail Inc. without first obtaining regulatory approval. A divestiture order in that takeover is likely to be issued by EU regulators later this year.  

First Published: Jul 15 2023 | 2:25 PM IST

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