Tetrabenazine methanesulfonate is a medicine formerly utilized as an antipsychotic and therapy for various movement disorders. Tetrabenazine methanesulfonate blocks neurotransmitter uptake into adrenergic storage vesicles and has been used as a high-affin
Deutetrabenazine metabolite M4 is believed to be related to its effect as a reversible depletion of monoamines from nerve terminals. The major circulating metabolites of Deutetrabenazine,are reversible inhibitors of VMAT2,resulting in decreased uptake of monoamines into synaptic vesicles and depletion of monoamine stores.