Last June at PPMD conference in Denver I learned of a trial involving Sildenafil, aka Revatio. My notes say the trial was to be held at University of Seattle, although the official posting says Johns Hopkins in Maryland.   http://www.clinicaltrials.gov/ct2/show/NCT01168908?term=sildenafil+muscular+dystrophy&rank=1   Can PPMD share any updates on the progress of this program? My interest was p…