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The role of the neurotransmitters dopamine and acetylcholine in the interaction of selective attention and working memory. - Dopamine and Acetylcholine for Attention and Memory

The role of the neurotransmitters dopamine and acetylcholine in the interaction of selective attention and working memory. - Dopamine and Acetylcholine for Attention and Memory

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2009-011093-15-DE
Enrollment
80
Registered
2009-09-23
Start date
2009-11-16
Completion date
Unknown
Last updated
2022-08-08

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

Conditions

Healthy volunteers MedDRA version: 12.0 Level: LLT Classification code 10012271 Term: Dementia Alzheimer's type MedDRA version: 12.0 Level: LLT Classification code 10013113 Term: Disease Parkinson's

Interventions

Trade Name: Nacom Pharmaceutical Form: Tablet INN or Proposed INN: LEVODOPA CAS Number: 59-92-7 Current Sponsor code: PR04 Other descriptive name: L-Dopa Concentration unit: mg milligram(s) Concentrat

Sponsors

Otto-von-Guericke University, Medical Faculty, Dpt. of Neurology
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Healthy subjects between 18-30 years (young group), healthy subjects between 60-80 years (old group) 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) yes F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: Pregnancy, nursing, glaucoma, severe heart, lung or liver disease, contraindications against MRI, psychiatric co-morbidity, unable to understand the study, intake of anticholinergic or antidopaminergic drugs

Design outcomes

Primary

MeasureTime frame
Main Objective: Effects of IMPs on memory and attention performance (reaction times, accuracy);Secondary Objective: Age dependency of the above effects?;Primary end point(s): Memory and attention performance as assessed by neuropsychological tests after treatment with placebo vs. IMP 1 or placebo vs IMP 2, respectively.

Countries

Germany

Outcome results

None listed

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