Search by Medical Condition A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Clinical Trials for Neuromuscular Manifestations Long-Term Safety & Efficacy of Apitegromab in Patients With SMA Who Completed Previous Trials of Apitegromab-ONYX Phase 3 Active Treatment Trial to Evaluate the Efficacy and Safety of Apitegromab in Patients With Later-Onset Spinal Muscular Atrophy Who Are Being Treated With Nusinersen or Risdiplam