On April 1, 2021 Fusion Pharmaceuticals Inc. (Nasdaq: FUSN), a clinical-stage oncology company focused on developing next-generation radiopharmaceuticals as precision medicines, reported it has completed the acquisition of Ipsen’s (Euronext: IPN; ADR; IPSEY) intellectual property and assets related to IPN-1087 (Press release, Fusion Pharmaceuticals, APR 1, 2021, View Source [SID1234577520]). IPN-1087 is a small molecule targeting neurotensin receptor 1 (NTSR1), a protein expressed on multiple solid tumor types. Fusion intends to use IPN-1087 to create an alpha-emitting radiopharmaceutical, FPI-2059, targeting solid tumors expressing NTSR1.

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Under the terms of the agreement, Fusion issued to Ipsen 600,000 shares of its common stock at the time of closing, including shares due upon the achievement of a patent-related milestone which occurred prior to closing. Such shares were issued pursuant to an exemption from the registration requirements of the Securities Act of 1933, as amended. Fusion will also be obligated to pay Ipsen up to an additional €67.5 million upon the achievement of certain development and regulatory milestones; low single-digit royalties on potential future net sales; and up to €350.0 million in net sales milestones, in each case, relating to products covered by the asset purchase agreement. Fusion will be responsible for paying to a third-party licensor up to €70.0 million in development milestone payments and mid-single to low-double-digit royalties on potential future net sales of products covered by the license agreement.

The closing of the acquisition was subject to the satisfaction of customary closing conditions, including the expiration of the waiting period under the Hart-Scott-Rodino (HSR) Antitrust Improvements Act of 1976. Additional details regarding the financial terms can be found in Fusion’s Form 8-K filed with the Securities and Exchange Commission on March 2, 2021.

About FPI-2059
FPI-2059 will be a radioconjugate combining actinium-225 with IPN-1087, for development as a targeted alpha therapy for various solid tumors. The molecule targets NTSR1, a promising target for cancer treatment, that is overexpressed in multiple solid tumors. IPN-1087 was in Phase 1 clinical development as a lutetium-177-based radiopharmaceutical for pancreatic ductal adenocarcinoma, colorectal cancer and gastric cancers expressing NTSR1.