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Last Updated: 02/24/2026
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1 clinical trial found
Open-Label Study of Zopapogene Imadenovec Retreatment and Vector Shedding Evaluation in Adult Patients With Recurrent Respiratory Papillomatosis
Enrollment Status: Recruiting
Publish Date: December 15, 2025
Intervention Type: Drug
Study Phase: Phase 4
Summary: This open-label study evaluates safety, vector shedding, and retreatment efficacy of Zopapogene imadenovec (Zopa) in adults with recurrent respiratory papillomatosis (RRP). Two cohorts will be enrolled (n=30): Cohort 1 to assess the magnitude and duration of adenoviral vector shedding in urine, feces, skin, and nasal tissue; Cohort 2 to assess the complete response rate following retreatment.
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Last Updated: 02/24/2026