The purpose of this study is to find out if the mitral valve can be safely replaced using a procedure that issimpler than the open-heart procedure being used today and may be safer for patients who are at ahigher risk from conventional open-heart surgery. The device being studied would be implanted without the need for an open-heart procedure and without…
The purpose of this study is to investigate the safety and effectiveness of tirasemtiv as a potential new therapy for the improvement of breathing, muscle weakness and muscle fatigue in patients with Amyotrophic Lateral Sclerosis (ALS). The effects of tirasemtiv on the performance of your elbow, wrist, knee, ankle, and hand muscles and how long you can…