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The purpose of this study is to determine whether caffeine improves attention.
Single centre single dose cross-over, placebo-controlled, double blind, randomized trial with two treatment conditions : caffeine and placebo
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Placebo | Placebo Comparator | Mannitol administered at visit 1 and at visit 2 |
|
| caffeine | Active Comparator | caffeine administered at visit 1 and at visit 2 |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Food | Other | Active group |
|
|
| Measure | Description | Time Frame |
|---|---|---|
| Attention test: milliseconds and index of stimulus sensitivity | duration 10 days from screening to last visit (V2) |
| Measure | Description | Time Frame |
|---|---|---|
| Central Nervous System :response time. | duration: 10 days from screening to last visit (V2) | |
| Mood measures: Visual Analog scale. | duration 10 days from screening to last visit V2 |
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Healthy male and female Aged 40-60 years
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Center for Human Drug Research | Leiden | CL | 2333 | Netherlands |
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| ID | Term |
|---|---|
| D005502 | Food |
| D002110 | Caffeine |
| ID | Term |
|---|---|
| D000066888 | Diet, Food, and Nutrition |
| D010829 | Physiological Phenomena |
| D019602 | Food and Beverages |
| D014970 | Xanthines |
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| Food | Other | Control group |
|
|
| D000470 |
| Alkaloids |
| D006571 | Heterocyclic Compounds |
| D011688 | Purinones |
| D011687 | Purines |
| D006574 | Heterocyclic Compounds, 2-Ring |
| D000072471 | Heterocyclic Compounds, Fused-Ring |