The entrance has a bas relief image of skeletal death, with an inscribed memento mori. The interior has paintings by Jacopo della Pila, Fabrizio Santafede, Andrea Falcone, Solimena, Giuseppe Marullo, Bartolomè Ordonez, Giovanni da Nola, Giovanni, and Pacio Bertini. The apse has frescoes are by Giacinto Diano and Sebastiano Conca. The latter painted a "St Dominic receives the palm" (symbol of martyrdom) "from Christ". This is flanked by Diano's "St Thomas' sermon of Joseph" and "St Catherine of Siena pleads for the return of the Pope from Avignon to Rome".