The invention relates to the treatment of cognitive impairment associated with schizophrenia (CIAS) with a specific GlyT1 inhibitor ([5-(methylsulfonyl)-2-{[(2R)-1,1,1-trifluoropropan-2-yl]oxy}phenyl]{(1R,5R)-1-[5-(trifluoromethyl)-1,2-oxazol-3-yl]-3-azabicyclo[3.1.0]hex-3-yl}methanone). A 12-week treatment in a phase 2 study showed improvement in cognitive function as measured by the MATRICS Consensus Cognitive Battery (MCCB) overall composite score.
TREATMENT OF COGNITIVE IMPAIRMENT ASSOCIATED WITH SCHIZOPHRENIA