Randomized phase II trial of avelumab alone or in combination with cetuximab for patients with previously treated, locally advanced, or metastatic squamous cell anal carcinoma: the CARACAS study ================================================================================================================================================================================================== * Sara Lonardi * Alessandra Anna Prete * Federica Morano * Marco Messina * Vincenzo Formica * Domenico Cristiano Corsi * Corrado Orciuolo * Giovanni Luca Frassineti * Maria Giulia Zampino * Mariaelena Casagrande * Gianluca Masi * Monica Ronzoni * Mario Scartozzi * Angela Buonadonna * Stefania Mosconi * Margherita Ratti * Andrea Sartore-Bianchi * Emiliano Tamburini * Michele Prisciandaro * Francesca Bergamo * Massimiliano Spada * Salvatore Corallo * Valentina Vettore * Fotios Loupakis * Matteo Fassan * Paola Del Bianco * Vittorina Zagonel * Filippo Pietrantonio