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The effects of morning versus evening dose of an antihistamine on cognition.

The effects of morning versus evening dose of hydroxyzine 50 mg on cognition in healthy volunteers.

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
NL-OMON
Registry ID
NL-OMON26397
Enrollment
18
Registered
2009-05-14
Start date
2009-06-04
Completion date
Unknown
Last updated
2024-02-28

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Sedation / sedatie Antihistamines / antihistaminica

Interventions

1. Hydroxyzine 50 mg

Sponsors

Maastricht University
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1. Aged between 18 and 45 years; 2. Healthy volunteers; 3. BMI between 19 and 30; 4. Able to give a written informed consent; 5. Able to understand the protocol and to come to the visits; 6. Use of a contraceptive method (for women).

Exclusion criteria

Exclusion criteria: 1. Medical history of major medical, psychiatric illness or surgery which, in the judgement of the investigator, could jeopardize their health or is likely to modify their handling of the study drug; 2. Any non corrected visual defect or locomotor disorder which could interfere with the study; 3. Acute or chronic systemic disease or disorder; 4. History of hypersensitivity to H1 antihistamines, benzimidazoles or lactose; 5. Seasonal allergic rhinitis or urticaria treated by antihistamine; 6. History of alcohol or drug abuse.

Design outcomes

Primary

MeasureTime frame
The Mean Absolute Tracking Error (mm) of the Divided Attention Task.

Secondary

MeasureTime frame
1. Sensori-motor test: Critical Tracking task; 2. Attention task: Attentional Network Test; 3. Impulsivity tests: Stop Signal Task, Attentional Switch test; 4. Event related potentials: P1, P3, N1, N2.

Contacts

Public ContactJ.G. Ramaekers

Maastricht University Dept of Neuropsychology & Psychopharmacology, Faculty of Psychology and Neuroscience, P.O. Box 616

J.Ramaekers@psychology.unimaas.nl+31 (0)43 3881951

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)