AstraZeneca concludes acquisition of Fusion Pharma

Cambridge: AstraZeneca has announced the successful completion of the acquisition of Fusion Pharmaceuticals Inc., a clinical-stage biopharmaceutical company developing next-generation radioconjugates (RCs).

This acquisition complements AstraZeneca’s leading oncology portfolio with the addition of the Fusion pipeline of RCs, including their most advanced programme, FPI-2265, a potential new treatment for patients with metastatic castration-resistant prostate cancer (mCRPC), and brings new expertise and pioneering R&D, manufacturing and supply chain capabilities in actinium-based RCs to AstraZeneca. It also strengthens AstraZeneca’s presence in Canada, according to the release.

As a result of the acquisition, Fusion has become a wholly owned subsidiary of AstraZeneca, with operations in Canada and the US.

Under the terms of the definitive agreement, AstraZeneca, through a subsidiary, has acquired all of Fusion’s outstanding shares pursuant to a plan of arrangement for a price of $21.00 per share in cash at closing plus a non-transferable contingent value right of $3.00 per share in cash payable upon the achievement of a specified regulatory milestone prior to 31st August, 2029. Combined, the upfront payment and maximum potential contingent value payment, if achieved, represent a transaction value of approximately $2.4bn. As part of the transaction, AstraZeneca acquired the cash, cash equivalents and short-term investments on Fusion’s balance sheet, which totalled $211m as of 31st March 2024. Fusion shares will be delisted from the Nasdaq Stock Market and deregistered under the U.S. Securities Exchange Act of 1934 and Fusion has applied to cease to be a reporting issuer under applicable Canadian securities laws.

Canadian Early Warning Disclosure
Following completion of the acquisition, 15863210 Canada Inc. (the “Purchaser”), a wholly-owned, indirect subsidiary of AstraZeneca, has beneficial ownership and control over 85,692,265 Fusion shares, being 100% of the issued and outstanding Fusion shares. The value, in Canadian dollars, of the consideration paid per Fusion share and in total (representing, in each case the total of the upfront payment and maximum potential contingent value payment) was C$32.72 per share and C$2,804,219,198.25 in total (based on the Bank of Canada’s exchange rate as of June 3, 2024 being C$1.00 to $0.7334).

Radioconjugates (RCs) combine the precise targeting of antibodies, small molecules or peptides with potent medical radioisotopes to deliver radiation directly to cancer cells. By seeking out cancer cells, RCs provide a more precise mechanism of cancer cell killing compared with traditional radiation therapy, with the goal of improving efficacy while minimising toxicity on healthy cells. RCs are administered via systemic delivery, which enables their use in tumour types not accessible to external beam radiation and the targeting of cancer cells that have spread from the main tumour to other sites in the body.

FPI-2265 is an actinium-225 based PSMA-targeting RC for mCRPC, currently in a Phase II trial.

Actinium-225 emits alpha particles and holds the promise of being a next-generation radioisotope in cancer treatment. By delivering a greater radiation dose over a shorter distance, alpha particles such as actinium-225 have the potential for more potent cancer cell killing, and targeted delivery, thereby minimising damage to surrounding healthy tissue.

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