A Phase 2b study of a small molecule drug for the treatment of early Alzheimer’s disease failed to meet its primary and key secondary endpoints, the Germany-based developer Vivoryon Therapeutics NV, announced on 4 March. The drug targets an enzyme, glutaminyl cyclase, which is thought to be responsible for the formation of toxic oligomers in the disease. Although the drug showed promising efficacy signals in an earlier Phase 2a trial, it did not show a statistically significant difference in change over time on cognition – the primary endpoint.
