References
Participant flow chart. Abbreviations: ITT, intention to treat; PP, per protocol; PI, primary investigator.Perceived stress as measured by Cohen’s Perceived Stress Scale (PSS). Both LPHEAL9 and placebo groups experienced a significant decline in PPS from baseline to week 12. Within group difference compared to baseline *** Word recall test, mean change (SEM) from baseline to week 12 in accuracy (%). Within-group differences compared to baseline ** Paired associate learning (PAL): Mean (SEM) change from baseline to week 12 in total errors (Summary of demographic data at inclusion (mean, range).No significant differences at inclusion between intervention groups.Kynurenine and tryptophan levels in plasma at baseline, week 12, and change over time in the ITT population (median, range). LPHEAL9 (# Between-group differences: independent samples from Mann–Whitney U Test. * 