Drug development timelines stretch to 9.3 years as pipelines slow 32% despite AI advances
paulnovosad · x · 2026-10-28
Ruxandra Teslo argues that despite staggering advances in basic science, drug development keeps slowing: pipeline creation has dropped 32% over five years even as R&D spending rose 45%, and the median clinical development timeline stretched from 8.4 to 9.3 years. The bottleneck is clinical trial timelines, which is why AI alone won't fix drug discovery — though AI could help via better endpoints enabling smaller, shorter trials.
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