43
Participants
Start Date
April 4, 2019
Primary Completion Date
July 19, 2022
Study Completion Date
November 8, 2022
BOTOX®, Allergan
50 U BTX-A (BOTOX®, Allergan) powder diluted in 2 mL saline solution (0.9% NaCl) administrated at visit 2 by intra oral injection
Placebo
2 mL saline solution (0.9% NaCl) administrated at visit 2 by intra oral injection
Groupe Hospitalier Pitié-Salpêtrière, Paris
Karolinska Institutet
OTHER
University of Aarhus
OTHER
Assistance Publique - Hôpitaux de Paris
OTHER