In any case they had 18 months data on some 399 patients and not 32. They have enrolled 800 patients now
"Those analyses, conducted in different ways, showed that the active-drug group did show significantly less decline in cognitive performance. There was a mean 3.1-point difference between groups in Mini-Mental State Examination scores at month 18 (P=0.008).
In contrast, though, the post-stoppage analyses -- which included an intent-to-treat analysis, four sensitivity analyses using different imputation methods for the missing data, an analysis of all the actual data from all treated patients, and a subgroup analysis of patients with mild symptoms -- all pointed toward a small but real benefit. "Every single one of them was positive," Sabbagh said (Patients' cognitive function did continue to decline with azeliragon, but at a slower rate than the placebo group -- ending with a 3-point difference in ADAS-Cog score at 18 months)."