The acquisition aligns with Grünenthal’s strategy to expand its product portfolio. Credit: fizkes / Shutterstock.

Grünenthal has announced the acquisition of US-based Valinor Pharma, along with its opioid-induced constipation (OIC) therapy Movantik, in a $250m deal which includes complete royalty obligations.

The transaction will be financed using Grünenthal’s available liquidity.

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Movantik, known as Moventig outside the US, is an oral treatment for OIC in adults with chronic non-cancer pain.

The acquisition broadens Grünenthal’s portfolio of established treatments and strengthens its growing presence in the US market.

In 2023 Movantik generated gross sales exceeding $200m in the US.

Grünenthal previously acquired the therapy in Europe as part of a joint venture (JV) with Kyowa-Kirin.

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With the purchase of Valinor, Grünenthal now owns the worldwide rights to the product, excluding Canada.

Grünenthal US president Marv Kelly stated: “We are excited to welcome Valinor and expand our portfolio offering to pain specialists with Movantik.”

Since 2017, the company has added several products to its lineup, including Nebido, the European rights to Crestor and Nexium, and the worldwide rights to Vimovo, Qutenza and Zomig, with Japan as an exception for the latter two.

In 2023, Grünenthal also established a JV, Grünenthal Meds, with Kyowa Kirin International.

This JV manages a pain-management-focused portfolio of 13 brands.

Grünenthal has invested more than €2bn in successful mergers and acquisitions.

Its CEO Gabriel Baertschi stated: “As a pain specialist, Movantik is a perfect fit for Grünenthal with our existing customer base and complementary product portfolio. “The acquisition of Valinor Pharma strengthens our footprint in the United States, the most important growth market for Grünenthal.”