Mild Alzheimer’s patients won’t save Cassava Sciences

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As we count down toward the December readout of Cassava Sciences’ simufilam Phase 3 clinical trial in Alzheimer’s disease, it’s a good time to correct one of the more egregious misconceptions regarding the handling of patient subgroup data that has been floating persistently around the internet.

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I’m referring specifically to what Cassava can, and cannot, do with data from roughly 70% of 800 participants in the RETHINK-ALZ-52 study with mild Alzheimer’s. The remaining 30% of participants entered the study with moderate disease. 

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