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Citicoline memory trial: secondary benefits need their endpoint labels

A twelve-week trial found benefits on two secondary measures, while the primary spatial-memory comparison was not significant.

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Supplement Science Insights Editorial Team

Published September 23, 2026

The study and its comparison

One hundred adults aged 50–85 with age-associated memory impairment were randomized to citicoline 500 mg daily or placebo; 99 completed the study. Spatial Span was the primary test. [1]

Paired Associates and a composite memory score improved versus placebo after adjustment for multiple comparisons. Spatial Span improved within the treated group, which is not the same as a significant advantage over placebo. [1]

What the finding establishes

The trial does not establish dementia prevention or a benefit from equal milligrams of choline bitartrate. Kyowa Hakko funded the study and helped design it; authors disclosed company and research-service employment. Specific test gains should remain separate from broad memory claims. [1]

A hypothetical distinction

Imagine the headline highlights two secondary tests. Check what happened to the prespecified primary comparison as well.

Interpretation checklist — Citicoline memory trial
DetailInterpretation
Measured outcomeKeep the endpoint specific
Study preparationNot every retail product
Remaining uncertaintyNot resolved by a mechanism
Citicoline memory trial: secondary benefits need their endpoint labels — original article outline diagram
Original editorial diagram of this article’s sections; no product photograph or clinical finding is depicted.

Sources for this article

  1. Citicoline and Memory Function in Healthy Older Adults: A Randomized, Double-Blind, Placebo-Controlled Clinical Trial - PMC
    Source consulted: 2026-09-19. This is a reference resource, not a claim that we conducted the studies or tested a product.