Here is FDAs own search page into the FDA marketing machine. There are current links as well as archive links for the past few years. You can also sign up for an email alert and newsletter whereby the FDA will “keep you informed” on the latest from them.
I used this page as a tool to do an exhaustive search through their material for any references to THR (tobacco harm reduction). I found no references to THR in their sea of negative reporting, investigator bias, junk science, and scare tactics propaganda.