Ocular Therapeutix Addresses Inspection Findings

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FDA has told Ocular Therapeutix that corrective actions detailed in a response to an inspection Form 483 appear to address the 10 observations that led to a complete response letter for its NDA on Dextenza (dexamethasone insert) 0.4 mg, for intracanalicular use in treating ocular pain occurring after ophthalmic surgery. The agency’s letter, however, took exception to one response related to the proposed process for identity testing of an incoming inert gas component used in the manufacturing process, the company says. In the letter, FDA also requested that the company provide evidence (e.g., a final report) when migration to automatic integration of analytical testing is complete, which is anticipated during the third quarter.

The complete response letter noted that “satisfactory resolution of the manufacturing deficiencies identified during the FDA facility inspection is required before the NDA may be approved.” It did not identify any efficacy or safety concerns with respect to the clinical data provided in the NDA, nor any need for additional clinical trials for the approval of the NDA, the company says.

Dextenza, which is placed through the punctum, a natural opening in the eye lid, into the canaliculus, and it delivers dexamethasone to the ocular surface for up to 30 days. Following treatment, Dextenza resorbs and exits the nasolacrimal system without need for removal.

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