Recurrent respiratory papillomatosis (RRP) is a rare HPV-related disease of the respiratory tract with significant unmet need

INOVIO, a biotechnology company focused on developing and commercializing DNA medicines to help treat and protect people from HPV-related diseases, cancer, and infectious diseases, announced that it has completed the rolling submission of its Biologics License Application (BLA) for its DNA immunotherapy candidate INO-3107 for the treatment of RRP in adults.

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INOVIO submitted the BLA under the FDA’s Accelerated Approval program and has requested a priority review, which if granted, is expected to be completed within six months following the 60-day filing period. If approved, INO-3107 would be INOVIO’s first commercial product and the first DNA medicine available in the United States.

“The potential to have a meaningful new treatment for RRP brings me so much hope for the RRP community, which has been desperate for relief from the risks and costs of repeated surgery,” said Kim McClellan, President of the RRP Foundation. “Every patient deserves a therapy that works for them and I believe we are now one step closer to surgery being a last resort for the treatment of this disease.”

“This is a pivotal moment in our efforts to deliver on the promise of INO-3107, an innovative DNA immunotherapy candidate that has the potential to become a paradigm-shifting treatment option for RRP,” said Dr. Michael Sumner, Chief Medical Officer of INOVIO. “I’d like to thank the patients and physicians who participated in the INO-3107 clinical trial, as well as our internal team for their tremendous effort in completing INOVIO’s first BLA submission. We look forward to continued communication and collaboration with the FDA during the review process and will be focused on finalizing our preparations for a potential commercial launch in 2026.”

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About RRP

RRP is a debilitating and rare disease caused primarily by HPV-6 and/or HPV-11. RRP is characterized by the development of small, wart-like growths, or papillomas, in the respiratory tract. While papillomas are generally benign, they can cause severe, life-threatening airway obstruction and respiratory complications. RRP can also significantly affect quality of life for patients by affecting the voice box, limiting the ability to speak effectively. Surgery to remove papillomas is the standard of care for RRP; however, the papillomas often grow back. INOVIO’s market research to date with patients and healthcare professionals indicates that a reduction of even one surgery matters, because every surgery poses a significant risk of causing permanent damage to the vocal cords and comes with potential costs to the patient, including adverse impacts to both quality of life and finances. The most widely cited U.S. epidemiology data published in 1995 estimated that there were 14,000 active cases and about 1.8 per 100,000 new cases of RRP in adults each year.  

About INO-3107

INO-3107 is an investigational DNA medicine designed to elicit an antigen-specific T cell response against both HPV-6 and HPV-11 proteins. These targeted T cells seek out and kill HPV-6 and HPV-11 infected cells, with the aim of potentially preventing or slowing the growth of new papillomas. In a Phase 1/2 trial of 32 participants (RRP-001), 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. A retrospective study involving 28 of the original trial participants (RRP-002) showed this number increasing to 86% at the end of the second 12-month period with no additional dosing. Half of those patients required no surgeries at all. Patients in RRP-001 had a median of 4 surgeries (range: 2-8) in the year prior to dosing. At the outset of the trial (Day 0), patients had a clinically warranted procedure to have papillomas surgically removed, but any surgery performed after Day 0 was counted against the efficacy endpoint. Treatment with INO-3107 generated a strong immune response in the trial, inducing activated CD4 T cells and activated CD8 T cells with lytic potential. T cell responses were also observed at Week 52, indicating a persistent cellular memory response. INO-3107 was well tolerated, with trial participants experiencing mostly low-grade (Grade 1) treatment-emergent adverse effects such as injection site pain and fatigue. Like other DNA medicines, INO-3107 has shown the ability to generate antigen-specific T cells that is not affected by anti-vector immunity impacting immunogenicity, either before administration or after the first dose, unlike other T cell generating platforms such as viral vectors. This feature of DNA medicines is anticipated to allow INO-3107 to maintain T cell response and overall efficacy, which could make it an important therapeutic option for a majority of RRP patients.

The FDA has granted INO-3107 both Orphan Drug and Breakthrough Therapy designations and previously advised INOVIO that it could submit a BLA under the FDA’s accelerated approval program using data from INOVIO’s completed Phase 1/2 trial. The European Commission granted INO-3107 Orphan Drug designation. In addition, INOVIO has CE-marked its CELLECTRA delivery device in the EU, which allows INOVIO to commercialize the device in the EU and other geographies that recognize CE-marking. The United Kingdom awarded INO-3107 the Innovation Passport. This designation serves as the entry point to the Innovative Licensing and Access Pathway (ILAP), which aims to accelerate time to market and facilitate patient access to medicines.

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Source – PR Newswire