Whilst there won't be any details in human beings, pregabalin is revealed to cross the blood brain barrier in mice, rats, and monkeys. On top of that, pregabalin has actually been shown to cross the placenta in rats which is present during the milk of lactating rats. (As an example: https://canyoutake300mgofpregabal85062.tribunablog.com/the-best-side-of-pregabalin-300-mg-capsule-price-54377670