Precigen, Inc. announced clinical data from the pivotal Phase 2 study of PRGN-2012 AdenoVerse immunotherapy for the treatment of patients with recurrent respiratory papillomatosis (RRP) will be presented in a late-breaking oral presentation at the 2024 American Society of Clinical Oncology (ASCO) Annual Meeting taking place from May 31 to June 4, 2024 at McCormick Place in Chicago, Illinois.