While there have been significant advances in the treatment of the rare, neuromuscular condition spinal muscular atrophy, existing therapies that slow or halt progression of it don’t regenerate muscle that has been lost. Biohaven is developing a therapy designed to inhibit myostatin, a protein that regulates the growth of skeletal muscle growth. We spoke to Lindsey Lee Lair, Biohaven’s vice president of clinical development, about SMA, the progress we’ve seen in treating the condition, and the company’s efforts to develop a therapy to stimulate the growth of muscle mass and strength in people with the disease.