This study tested whether amifampridine can reduce temporary voice weakness and breathiness that often occurs in the first few weeks after Botox injections for spasmodic dysphonia (a voice disorder). 18 adults who regularly get Botox for this condition took part. The goal was to …
Phase: PHASE2 • Sponsor: Augusta University • Aim: Symptom relief
Last updated Jun 27, 2026 07:53 UTC