RecruitingPhase 2Drug trialA Study of Vosoritide in Children With Noonan Syndrome With Inadequate Growth During or After Human Growth Hormone TreatmentThe purpose of this study in children with Noonan syndrome is to evaluate the effect of 3 doses of vosoritide on growth as measured by AGV after 6 months of treatment. The long-term efficacy and safety of vosoritide at the therapeutic dose will be evaluated up to FAH.