Acadia’s Nuplazid Needs Another Study For Alzheimer’s Psychosis, US FDA Panel Says
Advisory committee members cited a litany of shortfalls with efficacy data from two existing studies and say a new Phase III trial is needed in a large, ethnically and racially diverse population of Alzheimer’s disease psychosis patients.
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Agency questions clinical significance of change in primary efficacy endpoint measured in one study and raises doubts about numerous exploratory analyses for a second study aimed at explaining why Alzheimer’s patient subgroup appeared to derive less benefit than other types of dementia patients.
Nuplazid Complete Response Letter For Dementia Psychosis Driven By Effectiveness Concerns In Subgroups
Acadia says the US FDA’s view has shifted from what was previously agreed upon for approval of an sNDA for pimavanserin in a broad dementia-related psychosis indication.
The goal of the Office of New Drugs’ initiative is to develop and execute, in a cross-disciplinary manner, strategic plans to address substantive development hurdles in specific therapeutic areas. This approach already has been used for non-healing, chronic wounds and is being expanded to neurodegenerative and rare diseases, OND’s Peter Stein tells the Pink Sheet.