The CMA is reviewing whether the planned deal will result in creating a relevant merger situation. Credit: Cheshire East Council.

The UK Competition and Markets Authority (CMA) has launched an investigation on the proposed acquisition of US-based biopharmaceutical company for $39bn.

The CMA is reviewing whether the planned deal will result in a relevant merger situation and if the creation of that situation may significantly lower competition within any market or in the UK goods or services markets.

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The regulator also invited comments from any interested party on the deal to aid its assessment, with submissions open till 3 June.

In December last year,聽AstraZeneca signed a definitive agreement to acquire Alexion Pharmaceuticals聽for $175 per share.

According to the signed agreement, Alexion shareholders are set to receive $60 in cash and 2.1243 AstraZeneca American Depositary Shares (ADSs) for each Alexion share.

Acquiring Alexion, with its strong commercial portfolio and pipeline, will aid AstraZeneca in developing new treatments for immunology indications with high unmet medical needs.

The CMA inquiry is part of a Phase 1 investigation with a deadline of 21 July.

In a statement, the CMA said: 鈥淭he deadline for the CMA to announce its decision whether to refer the merger for a Phase 2 investigation is therefore 21 July 2021.鈥�

Commenting on the CMA inquiry, AstraZeneca representative said: 鈥淭he commencement of the UK CMA鈥檚 formal review is another important step towards the closing of the proposed acquisition, which we continue to expect will be in the third quarter of 2021.鈥�

Last month, the聽US Federal Trade Commission (FTC) granted clearance聽to AstraZeneca for the acquisition.

The deal also secured clearances in Canada, Brazil, Russia and other countries worldwide. Apart from the UK, regulatory clearances are pending in countries such as the EU and Japan.