March 7 (Reuters) - Mesoblast Ltd MSB.AX
* FDA grants fast track designation for Mesoblast's cell therapy in children with acute graft versus host disease
* Mesoblast Ltd - Enrollment in phase 3 trial is expected to complete mid-2017 with a top-line read out in 2H CY 2017 Source text for Eikon: ID:nGNXNQOZMa Further company coverage: MSB.AX