3D-printed chip showing body’s reaction to drugs could end need for animal tests

Exclusive: Device with compartments replicating major organs could also speed up patients’ access to new medicines

Scientists have developed a pioneering 3D-printed device that could speed up patient access to new medicines and eliminate the need for animal testing.

Thousands of animals are used in the early stages of developing medicines worldwide every year, yet many drugs tested on animals do not end up showing any clinical benefit.