91
Participants
Start Date
October 15, 2018
Primary Completion Date
July 31, 2020
Study Completion Date
July 31, 2020
BOTOX® solution
Botox solution + Saline serum + lidocaine/prilocaine cream + Nitrous oxide/oxygen (50%/50%)
Placebo group
Placebo + lidocaine/prilocaine cream + Nitrous oxide/oxygen (50%/50%)
Hôpital Tenon, Paris
Assistance Publique - Hôpitaux de Paris
OTHER