FDA to Review Inovio BLA to Treat RRP

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FDA has set a PDUFA action date of 10/30 for its review of an Inovio BLA for INO-3107 as a potential treatment for adults with recurrent respiratory papillomatosis (RRP). A company statement says the BLA was filed under the Accelerated Approval pathway.

Inovio says the agency acceptance letter raised a preliminary conclusion that the company had not submitted adequate information to justify eligibility for an accelerated approval. “Inovio continues to believe that INO-3107 provides a meaningful therapeutic benefit over existing treatments and fulfills the criteria for accelerated approval,” the statement says. Inovio says it plans to request a meeting with FDA officials to discuss next steps to remain eligible for the accelerated approval pathway.

The company says the BLA is supported by data from a Phase 1/2 trial that evaluated the treatment in adults with RRP who had two or more surgeries in the year before treatment.

INO-3107 is described as an investigational DNA medicine designed to elicit an antigen-specific T-cell response against both HPV-6 and HPV-11 proteins. The targeted T-cells are said to seek and kill HPV-6 and HPV-11 infected cells with the aim of potentially preventing or slowing the growth of new papillomas. It says that in a Phase 1/2 trial with 32 participants, 72% of patients saw a 50% to 100% reduction in the number of surgeries after starting treatment with INO-3107 at the end of the first year.

FDA has granted the drug both Orphan Drug and Breakthrough Therapy designations.

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