D-serine for the treatment of negative symptoms in individuals at clinical high risk of schizophrenia: a pilot trial


This study supports use of NMDAR-based interventions, such as D-serine, for treatment of prodromal symptoms of schizophrenia. On the basis of observed effect sizes, future studies with sample sizes of about 40 per treatment group would be needed for confirmation of beneficial effects on symptoms and NMDAR-related inflammatory changes. Long-term studies are needed to assess effects on psychosis conversion in individuals at clinical high risk of schizophrenia.

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