Did you read the study? https://www.frontiersin.org/articles/10.3389/fnins.2020.00158/full It says next to nothing. It's just pointing out that research is possible. - It's somewhat weird that the text in your link describes stutter as a *psychiatric* condition. This is not commonly accepted phraseology. - When we look at the ecopipam study itself, it's only a pilot one: https://escholarship.org/uc/item/8ct0028k It's not the actual proper research.