Scholar Rock Holding Corporation, a biopharmaceutical company, focuses on the discovery and development of medicines for the treatment of serious diseases in which signaling by protein growth factors plays a fundamental role. The company develops Apitegromab, an inhibitor of the activation of latent myostatin that has completed the Phase 3 clinical trials for the treatment of spinal muscular atrophy; and SRK-181, which is in Phase 1 clinical trials for the treatment of cancers that are resistant to checkpoint inhibitor therapies, such as anti-PD-1 or anti-PD-L1 antibody therapies. It is also developing a pipeline of novel product candidates with potential to transform the lives of patients suffering from a range of serious diseases, including neuromuscular disorders, cancer, and fibrosis.