No, not without changing your ticket at the ticket office, at a cost.
I tweeted my question to the trenitalia account and their response was (rough translation of mine):
You have to modify the ticket at the ticket office, see info here.
The linked document (“modifications to the ticket”, in Italian) basically says
Credit:stackoverflow.com‘
5 Mar, 2024
4 Mar, 2024
4 Mar, 2024