This is a multi-center, randomized, double-blind, placebo-controlled study to assess the efficacy, safety and tolerability of two different weekly doses of RO7239361 in ambulatory boys with Duchenne Muscular Dystrophy (DMD).
Take RO7239361 subcutaneously on specified days over a 48 week blinded period
Take placebo subcutaneously on specified days over a 48 week blinded period
Buenos Aires, Argentina