Two Randomized, Double-masked, Placebo-controlled Studies of the Local Anesthetic Effect of Articaine Ophthalmic Solution.

Background: We wanted to develop a new topical ocular anesthetic with good bioavailability in anterior segment tissues. Given concerns about contamination and sterility in multi-dose products, we selected a unit-dose, nonpreserved presentation of AG-920 (articaine ophthalmic solution) in blow-fill-seal containers (similar to currently marketed pharmacological therapies for dry eye disease).

Methods: Consistent with US Food and Drug Administration guidance, two pivotal, Phase 3, randomized, placebo-controlled, double-masked, parallel design studies conducted at two US private practices in 240 healthy subjects.

Early Nonclinical and Clinical Development of AG-920, a Repurposed Topical Ocular Anesthetic.

To evaluate the preclinical effects, and preclinical and clinical ocular and systemic pharmacokinetics of a new topical, non-preserved ocular anesthetic, AG-920 (articaine ophthalmic solution). Five studies: one melanin binding study; three studies in rabbits receiving an ocular dose of AG-920 evaluating corneal sensitivity, ocular tolerability, and systemic exposure to articaine and its inactive metabolite, articainic acid; and one clinical study in 14 healthy adult volunteers receiving an ocular dose of AG-920, with blood samples over 24 h. A liquid chromatography with tandem mass spectrometry (LC-MS-MS) method was used to detect both parent and metabolite with a lower limit of quantitation (LLOQ) of 0.