Baclofen taper speed

Ive only been using phenibut for a month and a half. I wanted to get thoughts on rapidly tapering with baclofen, like subtracting 1mg daily from each dose after initially stabilizing for several days. I have powdered baclofen. In this case study it looks like they detoxed him with baclofen in five days https://www.hindawi.com/journals/crips/2018/9864285/