RecruitingPhase 2Drug trialLumateperone in the Treatment of Stuttering, Childhood Onset Fluency DisorderThe primary objective of this study is to evaluate the efficacy and tolerability of Lumateperone in reducing stuttering symptoms. The following scales and samples will be collected for clinical and functional outcomes. • MLGSSS • SSS • Stuttering Severity Instrument (SSI-IV) • PHQ-9 • Barnes Akathisia • SAS • AIMS • CGI-I • CGI-S