No registrations found.
ID
Source
Brief title
Health condition
Heavy amphetamine users and heavy cocaine users
Sponsors and support
Intervention
Outcome measures
Primary outcome
1) substance use
2) craving
Secondary outcome
1) use of other substances
2) craving
3) performance on working memory task
Background summary
One way to reduce drug use or to even stop is by increasing cognitive control. This can be done by means of working memory training. This study examines the effect of working memory training on amphetamine and cocaine use in adults who want to reduce their use. Potential participants who read the information brochure and sign the informed consent online. Then they perform 25 days of working memory training independently. Subjects are blinded to whether they received the training or placebo variant. Before and after this period they will also complete a number of questionnaires about how much amphetamine or cocaine is used, the reasons for use and opinion about the training.
Study objective
Working memory training increases cognitive control, thereby reducing the amount of amphetamine or cocaine used.
Study design
T1: creating account, assignment to amphetamine version or cocaine version, first day of training (questionnaires and training)
T2-T24: working memory training and questionnaires
T25: last working memory training and questionnaires.
T26: one-month follow-up on substance use
T27: three-month follow-up on substance use and information on training (training or placebo)
T28-T53: optional working memory training with real training when desired by participant
Intervention
25 day online working memory training, consisting of one working memory task and several questionnaires. There is an adaptive training version and a non-adaptive placebo version.
Department of Psychiatry <br>
PA3-225 <br>
P.O. box 22660
M.H.J. Schulte
Amsterdam
The Netherlands
m.h.j.schulte@uva.nl
Department of Psychiatry <br>
PA3-225 <br>
P.O. box 22660
M.H.J. Schulte
Amsterdam
The Netherlands
m.h.j.schulte@uva.nl
Inclusion criteria
1) 18-65 years old
2) primary amphetamine use or primary cocaine use
3) desire to quit their amphetamine/cocaine use
Exclusion criteria
n.a.
Design
Recruitment
Followed up by the following (possibly more current) registration
No registrations found.
Other (possibly less up-to-date) registrations in this register
No registrations found.
In other registers
| Register | ID |
|---|---|
| NTR-new | NL4668 |
| NTR-old | NTR4820 |
| Other | UvA faculty ethics committee : 2013-OP-3060 |