How AI is aiming at the bad math of drug development

Foto: AP Photo/Sang Tan

A new drug typically takes more than a decade to develop, at a cost of almost $3 billion. That's because about 90% of experimental medicines fail during the various stages of chemical engineering, or during animal or human trials. So drugmakers and investors are spending billions of dollars to turbocharge the search for new treatments using artificial intelligence. Scientists are looking to discover breakthrough medicines by rapidly identifying new compounds and modeling complex mechanisms in the body, and by automating what used to be manual processes. So far only a trickle of treatments created with the much-hyped technology have reached the testing stage.

1. Why is drug development so hard?..

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