Provides up to six months treatment with CuATSM for subjects who have successffulyl completed study CMD-2019-001. [This allows subjects randomized to placebo on study CMD-2019-001 to receive up to six months treatment with CuATSM and provides an up to an additional six months treatment with CuATSM for subjects randomized to CuATSM on study CMD-2019-001]
Provides up to six months treatment with CuATSM for subjects who have successfully completed study CMD-2019-001