Ulotaront Phase III Schizophrenia Setback For Sumitomo, Otsuka Alliance

'High Placebo Response'

Novel psychiatric drug has missed its Phase III efficacy endpoint in two Phase III trials, posing a potential blow to the Japanese firms' alliance plans in schizophrenia, although development in other CNS indications looks set to continue. 

Ulotaron's Phase III DIAMOND 1 and 2 studies missed the primary endpoints
ulotaront misses target in two Phase III trials • Source: Shutterstock

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