IRCT20220516054868N1 IRCT 2022-09-22 Esfahan University of Medical Sciences The effect of botulinum toxin type A on reducing salivation and quality of life in patients with cerebral palsy Evaluation of the effectiveness of botulinum toxin type A injection in reducing salivation and improving quality of life in patients with cerebral palsy 2022-06-26 anticipated 30 Complete https://irct.ir/trial/64393 interventional Randomization: N/A, Blinding: Not blinded, Placebo: Not used, Assignment: Single, Purpose: Treatment. 1-2 Cerebral palsy. Intervention group: For patients with cerebral palsy, first 500 units of botulinum toxin type A (Botox®, Masport, Iran) is diluted with 3 ml of normal saline. The child is placed in the supine position so that the head can rotate in both directions, then 0.5 units per kilogram of body weight are injected into each of the parotid and submandibular glands by an ENT specialist under an ultrasound guide by a radiologist without anesthesia. Needle number 25G is used for injection. This operation is performed in the operating room of the hospital.. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is Due to the fact that the study has not been completed yet, a decision will be made on its publication after its completion.