Many people have found success using similar methods popularized by Martin Berkhan’s Leangains or Brad Pilon’s Eat Stop Eat. So anecdotally, efficacy isn't just limited to Rats (although I don't know the state of controlled studies in humans).
It’s interesting watching these intermittent fasting styles grow from niche body building communities to general population. It seems to be a great heuristic based way of keeping overall food intake under control.