Nicox Resolves GMP Inspection Concerns, Re-files NDA

Nicox has resubmitted an NDA for AC-170 (cetirizine), an eye drop formulation for treating ocular itching associated with allergic conjunctivitis, after receiving FDA confirmation that GMP concerns surrounding the production site of the active pharmaceutical ingredient have been resolved. In 10/2016, the agency sent a complete response letter on the NDA, citing the GMP concerns that had to be resolved before the application could be reviewed further (see story).

Nicox says that the formulation of cetirizine, which is the active ingredient in McNeil Consumer Healthcare’s Zyrtec, has been developed for the first time for topical application. Two Phase 3 safety and efficacy trials demonstrated statistically significant results for AC-170 compared to vehicle control (placebo) for the primary endpoint of ocular itching, according to the company.

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