Media type: E-Article Title: 1541 Stability of the gut microbiota during anti-pd1 immunotherapy defines complete response in melanoma patients Contributor: Massimo Barberis; Mariaelena Capone; Gabriele Madonna; Paolo A Ascierto; Luigi Buonaguro; Pier Ferrucci; Nicola Segata; Angeli DG Macandog; Carlotta Catozzi; Amir Nabinejad; Emilia Cocorocchio; Teresa Manzo; Luigi Nezi imprint: 2023 Published in: Journal for ImmunoTherapy of Cancer Language: English DOI: 10.1136/jitc-2023-SITC2023.1541 ISSN: 2051-1426 Origination: Footnote: Access State: Open Access