in 1339 the hospital San Giacomo degli Incurabili, later rebuilt in the today form.

From the fifteenth century, the Via del Corso became a fashionable street for new or renovated churches and new palaces for the nobility. However, by the mid seventeenth century, the street remained a mixture of different scales and architectural styles, some unfashionable, a number of churches lacked facades and some buildings were a combination of structures from different periods or were simply incomplete.