A pharmaceutical formulation suitable for multi-dose administration comprisingendo-N-(9-methyl-9-azabicyclo[3.3.1]non-3-yl)-1-methyl-1H-indazole-3-carboxanide hydrochloride, a preservative selected from the group consistingof alkyl paraben and phenol, and a buffer selected from the group consistingof acetate and phosphate buffers is disclosed.