120
Participants
Start Date
May 1, 2024
Primary Completion Date
June 1, 2026
Study Completion Date
August 1, 2026
Injection botulinum toxin A ( Dysport 100 unit or Neuronox 33.33 unit)
injection of toxin on facial muscle
Rajavithi Hospital, Bangkok
Sappasitthiprasong Hospital, Ubon Ratchathani
Lampang Hospital, Lampang
Surat Thani hospital, Surat Thani
Department of Medical Services Ministry of Public Health of Thailand
OTHER_GOV