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Effects of morning versus evening dose of hydroxyzine 50 mg on cognition in healthy subjects

Effects of morning versus evening dose of hydroxyzine 50 mg on cognition in healthy subjects

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2009-012340-16-NL
Enrollment
18
Registered
2009-05-06
Start date
2009-07-20
Completion date
Unknown
Last updated
2012-03-19

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

Conditions

To assess the morning versus evening dose effect of hydroxyzine 50 mg on cognition in healthy volunteers

Interventions

Trade Name: ATARAX Product Name: ATARAX Pharmaceutical Form: Film-coated tablet Pharmaceutical form of the placebo: Tablet Route of administration of the placebo: Oral use

Sponsors

Maastricht University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - aged between 21 and 45 years - healthy volunteers - BMI (Body Mass Index) between 19 and 30 included - able to give a written informed consent - suvject who, in the judgement of the investigator is likely to be compliant during the study - able to understand the protocol and to come to the visits Are the trial subjects under 18? no Number of subjects for this age range: F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range F.1.3 Elderly (>=65 years) no F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: - History of drug or alcohol abuse - History of hypersensitivity to H1 antihistamines, benzimidazoles or lactose - Seasonal allergic rhinitis or urticaria treated by antihistamines - Smoking more thab 2 cigarettes a day - Drinking more than 6 cups of coffee per day - Drinking more than 21 glasses of alcohol per week

Design outcomes

Primary

MeasureTime frame
Main Objective: To explore the effect of the H1-antagonist hydroxyzine 50 mg morning versus evening dose on behavioural and electrocortical indicators on motor response, attention and impulsivity, using a test battery, task manipulations and measurement of event related potentials;Secondary Objective: ;Primary end point(s): The Mean Absolute Tracking Error (mm) if the Divided Attention Task

Countries

Netherlands

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026