“…Up until 2012, several RCTs, ,,− case reports, − open-label studies, − and retrospective studies, − including small groups of patients across different ages, have proven risperidone to be effective in the treatment of tics. Between 2012 and 2017, six systematic reviews/meta-analyses ,,,,, including trials and one case study on risperidone in the treatment of tics have been published.…”