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| Methods | Randomized double blind placebo controlled study | |
| Participants | Country: Germany Multicentre Selection criteria: mild to moderate cognitive decline corresponding to stages 3 or 4 on the Global Deterioration Scale (80% GDS stage 3) 230 male and female patients age 60‐80 years | |
| Interventions | 1. ALC 1.5g/day for 12 weeks 2. Placebo for 12 weeks | |
| Outcomes | CGI‐C, NGDAS, modified digit symbol substitution test. | |
| Notes | Analysed completers, not intention to treat | |
