Boehringer Schizophrenia Cognition Trial Misses Endpoints

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Boehringer Ingelheim says its Phase 3 CONNEX clinical trial program evaluating iclepertin in cognitive impairment in adults with schizophrenia did not meet primary and key secondary endpoints. “Overall, no statistically significant effects on cognition or functioning were observed in patients treated with iclepertin versus placebo at six months,” it says, adding that all three trials demonstrated that iclepertin was generally well tolerated, with a safety profile consistent with previous studies.

Boehringer says schizophrenia affects about 24 million people worldwide and cognitive impairment affects more than 80% of these people. It notes that there are no approved targeted pharmaceutical treatments for cognitive impairment in schizophrenia.

Iclepertin is described as an investigational oral inhibitor of glycine transporter 1. The CONNEX clinical program enrolled 1,840 patients in 41 countries, and Boehringer Ingelheim says it decided to discontinue the long-term extension trial, CONNEX-X, effective immediately.

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