There seemed to be a threshold effect involving the blood-brain barrier.
Other drugs that cross the blood-brain barrier are under clinical evaluation.
The bacteria may also cross the blood-brain barrier and cause meningitis.
Several ways of getting through or around the blood-brain barrier are being tested in people.
Distribution can be a serious problem at some natural barriers like the blood-brain barrier.
An important property of neurotoxins is that they are not able to cross the blood-brain barrier.
They don't seem to cross the blood-brain barrier very readily.
It does not cross the blood-brain barrier and consequently has no to few central effects.
"Why suddenly market an antibiotic that gets through the blood-brain barrier?"
It can also pass through the blood-brain barrier and exert its effect throughout the whole body.