Double-blind Comparative Randomized Multicenter

Inclusion Criteria: All patients were checked for compliance with the following inclusion criteria: * Written and dated Informed consent of the child's parent to participate in the clinical trial; The age of the child is from 2 to 12 years (2 years 0 months 0 days - 11 years 11 months 29 days); * Focal spasticity associated with dynamic foot deformity of the "horse foot" type due to spasticity in children with cerebral palsy undergoing outpatient treatment; * The degree of spasticity on the modified Ashworth scale (MAS) 2 or more; * Grade level on the scale of basic motor functions for cerebral palsy, extended and refined version (GMFCS - E\&R) I - III; * Children and their parents who are able to fulfill the requirements of the Protocol (i.e., fill out a self-observation diary, come to control visits). Exclusion Criteria: During the study, patients were excluded if any of the following criteria were present: * Withdrawal of Informed consent by the patient's parent; * Serious adverse events or adverse events that do not meet the criteria of severity, in the development of which, in the opinion of the researcher, further participation in the study may be detrimental to the health or well-being of the patient; * The need for procedures and/or drug treatment that are not permitted by the Protocol of this study; * The patient was included in violation of the criteria for inclusion/non-inclusion of the Protocol; * The appearance of non-inclusion criteria during the study; * T…