ViiV Healthcare announces exclusive license agreement with Shionogi to develop third-generation HIV integrase inhibitor with potential for ultra long-acting dosing intervals.

London, 28 September 2021 – ViiV Healthcare, the global specialist HIV company majority owned by GlaxoSmithKline (GSK), with Pfizer and Shionogi as shareholders, today announced an exclusive collaboration and license agreement with Shionogi & Co. Ltd. (Shionogi) for S-365598, a third-generation investigational integrase strand transfer inhibitor (INSTI) with potential for use in ultra long-acting HIV regimens (regimens with dosing intervals of three months or longer).