Double-blind Comparative Randomized Multicenter

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).
• •The need for surgical intervention.
• •The patient's incompetence with the examination procedures.
• •Any condition of the patient that requires, in the reasonable opinion of the research physician, the withdrawal of the patient from the study;
• •The patient refuses to cooperate or is undisciplined (for example, the patient does not show up for a scheduled visit without warning the researcher and/or loss of communication with the patient);
• •The patient is out of observation;
• •Non-compliance by the patient with the established Protocol requirements, rules of stay at the clinical base; For administrative reasons (termination of the study by the Sponsor or regulatory authorities), as well as in case of gross violations of the Protocol that may affect the results of the study.