Complete Response Issued on Minerva Schizophrenia Drug

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FDA has issued Minerva Neurosciences a complete response letter on its NDA for roluperidone, indicated for treating negative symptoms in patients with schizophrenia, recommending another clinical study to demonstrate the drug’s safety and effectiveness.

The company says the agency letter cited the submission’s study (MIN-101C03) as being “insufficient on its own to establish substantial evidence of effectiveness.” It also cited a lack of data on “concomitant antipsychotic administration,” and a lack of data to support reliance of a change in negative symptoms of schizophrenia as being clinically meaningful. Additionally, the agency said the submitted safety database included an inadequate number of subjects exposed to roluperidone at the proposed dose (64 mg) for at least 12 months, according to the company.

“We are disappointed that the FDA has not approved roluperidone and will request a meeting to discuss the issues raised and attempt to address FDA’s feedback,” Minerva said in a release.

Minerva says toluperidone has been shown to block serotonin, sigma and α-adrenergic receptors that are all involved in regulating key brain functions, including mood, cognition, sleep, and anxiety. It was designed to “avoid a direct blockade of dopaminergic receptors (the key pharmacological target for first- and second-generation antipsychotics)…,” it adds.

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