Lotilaner Ophthalmic Solution 0.25%: First Approval.

Lotilaner ophthalmic solution 0.25% (XDEMVY™), a gamma-aminobutyric acid-gated chloride channel (GABA-Cl) inhibitor selective for mites, is being developed by Tarsus Pharmaceuticals for the treatment of Demodex blepharitis and meibomian gland dysfunction in patients with Demodex lid infestation (Demodex-induced meibomianitis). On 24 July 2023, lotilaner ophthalmic solution 0.25% received its first approval in the USA for the treatment of Demodex blepharitis. The agent is also currently in phase 3 development for Demodex blepharitis in China and phase 2 development for Demodex-induced meibomianitis in the USA. This article summarizes the milestones in the development of lotilaner ophthalmic solution 0.25% leading to this first approval for the treatment of Demodex blepharitis in the USA.