Developers and the involved industry estimate that it will need roughly 15 years till such kind of developments are accepted regulatorily.
Read the article here (in German):
https://www.labo.de/dosier-und-vakuumtechnik/von-der-vision-zum-paradigmenwechsel---chancen-und-herausforderungen-mikrofluidischer--organ-on-a-chip-systeme-in-der-arzneimittelentwicklung.htm