MTR-601

To assess the safety and tolerability of single and multiple doses of MTR-601 in normal healthy volunteers under fed and fasted conditions.
To evaluate the plasma and urine pharmacokinetics (PK) of MTR-601. To evaluate the pharmacodynamic (PD) effects of MTR-601 on muscle strength and muscle accumulation of MTR-601 by muscle biopsy and other potential mechanistic, predictive and PD markers of MTR-601.