RE:Cassava DramaI had a problem with their science presentation independent from the eventual fraud, the core hypothesis* was never fleshed out on the website as it is with Promis.
*"Simufilam’s primary mechanism is to disrupt the toxic signaling of soluble Aβ42 via the α7nAChR that hyperphosphorylates tau"
https://www.mdpi.com/1422-0067/24/18/13927