Completed

CHESSPhase I Study About Effects of Caffeine, Methylphenidate, Modafinil and Placebo on Cognitive Performance of Chess Players.

0 criteria met from your profileSee at a glance how your profile meets each eligibility criteria.
What is being tested

Drugs use: methylphenidate

+ Drug use: modafinil

+ caffeine

Drug
Who is being recruted

From 18 to 60 Years
+9 Eligibility Criteria
See all eligibility criteria
How is the trial designed

Services Research Study

Placebo-ControlledPhase 1
Interventional
Study Start: May 2011
See protocol details

Summary

Principal SponsorK. Lieb
Last updated: April 18, 2013
Sourced from a government-validated database.Claim as a partner

Study start date: May 1, 2011

Actual date on which the first participant was enrolled.

Effects of caffeine, methylphenidate, modafinil and placebo on cognitive performance of chess players in chess games and neuropsychiatric standardized tests. We hypothesize that substances will change cognitive performance in chess players leading to changed results in chess games and neuropsychiatric tests.

NCT01834547
Principal SponsorK. Lieb
Last updated: April 18, 2013
Sourced from a government-validated database.Claim as a partner

Protocol

This section provides details of the study plan, including how the study is designed and what the study is measuring.
Design Details

40 patients to be enrolled

Total number of participants that the clinical trial aims to recruit.

Services Research Study

These studies look at how healthcare is delivered, managed, and organized. They aim to improve care quality, patient experience, and access to treatment.

Eligibility

Researchers look for people who fit a certain description, called eligibility criteria: person's general health condition or prior treatments.
Criteria

Male

Biological sex of participants that are eligible to enroll.

From 18 to 60 Years

Range of ages for which participants are eligible to join.

Healthy volunteers allowed

If individuals who are healthy and do not have the condition being studied can participate.

Criteria

3 inclusion criteria required to participate
18-60 years old
existence of ELO-number
male
6 exclusion criteria prevent from participating
addiction of psychoactive substances
irregular day-night-rhythm (e.g. shift workers)
physical diseases (e.g. diabetes mellitus, etc.) with necessity of using prescription drugs
psychiatric diseases (e.g. psychosis, bipolar disorders, etc.) with necessity of using prescription drugs
Show More Criteria

Study Plan

Find out more about all the medication administered in this study, their detailed description and what they involve.
Treatment Groups
Study Objectives

4 intervention groups are designated in this study

25% chance of being blinded to the placebo group

Treatment Groups

Group I

Experimental
Methylphenidate

Group II

Experimental
modafinil

Group III

Experimental
caffeine

Group IV

Placebo
placebo

Study Objectives

Primary Objectives

Secondary Objectives

Study Centers

These are the hospitals, clinics, or research facilities where the trial is being conducted. You can find the location closest to you and its status.

This study has 1 location

Department of Psychiatry and Psychotherapy

Mainz, GermanyOpen Department of Psychiatry and Psychotherapy in Google Maps
CompletedOne Study Center