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Combined effects of biperiden and acute tryptophan depletion on memory in healthy volunteers: an EEG study

Combined effects of biperiden and acute tryptophan depletion on memory in healthy volunteers: an EEG study - Combined memory effects

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
NL-OMON
Registry ID
NL-OMON32834
Enrollment
20
Registered
2008-09-16
Start date
2009-01-10
Completion date
Unknown
Last updated
2024-05-06

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

Conditions

geen aandoening nvt

Interventions

Participants will be treated with biperiden, ATD, a combination, or a placebo. The biperiden will be administered orally with a capsule. The ATD consists of a gelatine-based protein drink that parti

Sponsors

Universiteit Maastricht
Lead Sponsor

Eligibility

Age
18 Years to 99 Years

Inclusion criteria

Inclusion criteria: male or female, between 18-35 years of age, healthy (absence of exclusion criteria), normal static binocular activity, body mass index between 18.5 and 30, willingness to sign an informed consent.

Exclusion criteria

Exclusion criteria: history of cardiac, hepatic, renal, pulmonary, neurological, gastrointestinal, haematological or psychiatric illness, are excessive drinking (>20 glasses of alcohol containing beverages a week), pregnancy or lactation, use of medication other than oral contraceptives, use of recreational drugs from 2 weeks before until the end of the experiment, and any sensory or motor deficits which could reasonably be expected to affect test performance. Those volunteers who have a first-degree relative with a psychiatric disorder or a history of a psychiatric disorder will also be excluded.

Design outcomes

Secondary

MeasureTime frame
A further important parameter is the change in behavioural and brain response to the choice reaction time task, since this measures a possible sedative effect of the two manipulations. Finally, we will measure the event-related potential during a novelty oddball task to assess the role of both neurotransmitters in novelty processing.

Primary

MeasureTime frame
The main endpoint is the behavioural score on the verbal learning task, the continuous recognition memory task, and the spatial memory task. Secondary, the event-related potentials during those tasks will be analysed.

Countries

Netherlands

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)