50
Participants
Start Date
March 23, 2023
Primary Completion Date
October 1, 2023
Study Completion Date
March 30, 2024
Botulinum toxin type A
Eligible patients were randomly assigned to the experimental group and the control group. Patients in the experimental group will be randomized to receive injections of 1 U,2.5 U, and 5 U botulinum toxin type A,Patients in the control group received an injection of 0.9% Nacl
Qilu Hospital of Shandong University Dezhou Hospital, Dezhou
Qilu Hospital of Shandong University
OTHER