A Long-term Extension Study of TCH346 and Placebo Administered Once Daily in Patients With Amyotrophic Lateral Sclerosis(ALS)

A Long-term Extension Study of TCH346 and Placebo Administered Once Daily in Patients With Amyotrophic Lateral Sclerosis(ALS)

This is a study to evaluate the safety and clinical effects of 4 oral doses of TCH346 compared to placebo in patients with mild or mild to moderate stages of ALS.

This is a study to evaluate the safety and clinical effects of 4 oral doses of TCH346 compared to placebo in patients with mild or mild to moderate stages of ALS.

Inclusion Criteria:

• Completed original protocol, Study No. CTCH346A2211
• Be capable of satisfying the requirements of the extension protocol and must sign informed consent after the nature of the extension protocol has been fully explained

Exclusion Criteria:

• Exclusion criteria as described in the original protocol will remain applicable into the extension protocol

Other protocol-defined exclusion criteria may apply.