Aduhelm Shockwaves Will Reverberate Across Industry

The butterfly effect is an elegant analogy to describe the seemingly unpredictable and far-reaching implications of a relatively small and inconsequential event. The FDA’s approval of Aduhelm is not so much a butterfly gently flapping its wings, but rather a sonic boom emanating from a jet engine. Most immediately, it provides a new therapeutic option for millions of patients in dire need of hope, vindicating Biogen’s faith with a revenue stream running into many billions of dollars. Longer-term the reverberations may be felt across the entire industry, throwing into question the evidentiary requirement for drug development.