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J Neural Transm (Vienna). 2008;115(2):335-9. doi: 10.1007/s00702-008-0872-3. Epub 2008 Feb 8.

No increase in long-term risk for nicotine use disorders after treatment with methylphenidate in children with attention-deficit/hyperactivity disorder (ADHD): evidence from a non-randomised retrospective study.

Author information

1
Head of Department for Child and Adolescent Psychiatry, Johannes Gutenberg-University, Mainz, Germany. michael.huss@ukmainz.de

Abstract

OBJECTIVE:

To evaluate long-term effects of methylphenidate (MPH) treatment in ADHD children on the development of nicotine use disorders (SUD-N).

METHODS:

Multisite retrospective non-randomised longitudinal study with 215 ADHD children (diagnosis at 9.2 years of age; reassessment for SUD-N at 21.9 years of age) strictly parallel allocated to MPH treated (n = 106) and drug naive (n = 109) children.

RESULTS:

There was no difference between the groups with respect to frequency (84% MPH; 89% non-MPH; chi(2) = 1.6; p = 0.21) and age of onset for first cigarette smoking (log rank 1.68; p = 0.19). Continuous smoking was reached by 51% (MPH) and 61% (non-MPH) of the patients. Survival analyses revealed a small and nominally significant delay in age of onset for continuous smoking in the MPH-group (log rank = 3.85; p = 0.049). Nicotine dependency was reached by 20% (MPH) and 27% (non-MPH). Age of onset does not differ between groups (log rank = 2.24; p = 0.13).

DISCUSSION:

Limited evidence due to the non-randomised nature of the study is given that MPH does not induce SUD-N. The data suggests there may be a beneficial effect of MPH on delay of onset for continuous nicotine consumption in ADHD patients.

PMID:
18253808
DOI:
10.1007/s00702-008-0872-3
[Indexed for MEDLINE]

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