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The Guardian - UK
The Guardian - UK
Science
Andrew Gregory Health editor

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

Liam Carr Murdo MacLeod
Liam Carr’s ‘body-on-chip’.
The plastic device uses positron emission tomography (PET) scanning to produce detailed 3D images showing what is going on inside the organs. Photograph: Murdo MacLeod/The Guardian

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.

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