Some very disappointing failures: An opinionated take on NEJM highlights for August and September 2022
Marc Herant
October 2, 2022
Is Parkinson’s α-synuclein going to be as elusive a target as β-amyloid has been for Alzheimer’s? Alpha-synuclein aggregates are characteristic of Parkinson’s disease and genetic variants of this protein clearly lead to familial forms of Parkinson’s; it was therefore reasonable to target alpha-synuclein with antibodies in the hope of modifying disease progression. Sadly, two well designed placebo-controlled studies have now crushed this hope. Both showed absolutely no impact on the progression of patients with early Parkinson’s over times that extended to 1.5 year of follow-up. If there is silver lining,