Precigen Inc. has announced that PAPZIMEOS™ (zopapogene imadenovec-drba) received full approval from the United States Food and Drug Administration (FDA) in August 2025 for the treatment of adults with recurrent respiratory papillomatosis (RRP). This marks PAPZIMEOS as the first and only FDA-approved therapy for adults with RRP. The approval was supported by pivotal study results demonstrating durable responses and a significant reduction in the need for surgeries among treated patients. No new safety events were observed during long-term follow-up. There is no indication that this approval or related funding involved multiple organizations.
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