NCT02257801

Effects of Lutein on Learning and Memory in Chronically Stressed Subjects and in an Acute Stressful Situation (TSST - Trier Social Stress Test): A Randomized, Double-blind, Placebo-controlled Trial)

Effects of Lutein on Learning and Memory in Chronically Stressed Subjects and in an Acute Stressful Situation (TSST - Trier Social Stress Test): A Randomized, Double-blind, Placebo-controlled Trial

• Status: Completed
• Phase: Phase 2
• Study type: Interventional
• Enrollment: 150 (actual)
• Sponsor: dsm-firmenich Switzerland AG · Industry
• Sex: All
• Age: 50 Years – 70 Years
• Healthy volunteers: Accepted

Summary

The purpose of this study is to study effects of a four months lutein supplementation (in form of a lutein fortified nutritional beverage) on general learning and memory performance as well as on acute stress-induced changes in learning and memory performance in chronically stressed males and females using 2 different lutein doses in comparison to a placebo.

Conditions

• Healthy But Chronically Stressed

Interventions

Type	Name	Description
DIETARY_SUPPLEMENT	Nutritional beverage fortified with 6mg lutein/day	2 beverages (each containing 3mg lutein) per day (total of 6mg lutein/day) for a total of 4 months
DIETARY_SUPPLEMENT	Nutritional beverage fortified with 12mg lutein/day	2 beverages (each containing 6mg lutein) per day (total 12mg lutein/day) for a total of 4 months
DIETARY_SUPPLEMENT	Nutritional beverage fortified with 12mg lutein/day	2 beverages (each containing 0mg lutein) per day (total 0mg lutein/day) for a total of 4 months

Timeline

• Start date: 2013-01-01
• Primary completion: 2014-12-01
• Completion: 2014-12-01
• First posted: 2014-10-06
• Last updated: 2016-01-22

Locations

1 site across 1 country: Germany