期刊
COGNITIVE AND BEHAVIORAL NEUROLOGY
卷 25, 期 1, 页码 16-24出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/WNN.0b013e3182492a9c
关键词
smoking cessation; depression; brain damage; nicotine withdrawal; varenicline
资金
- NIDA [R01 DA16708, R01 DA023051, R01 DA022549]
- NINDS [P50 NS19632]
- NCI [R01 CA152062]
Background: There are concerns that varenicline (Chantix/Champix), a prescription medication used to treat smoking addiction, might cause serious neuropsychiatric side effects, such as depression, self-injurious behavior, and suicide. However, the cause of depression and related symptoms in persons who quit smoking after taking varenicline remains uncertain, because smoking cessation itself can cause such symptoms. Method: We studied 70 patients with brain lesions: 32 had stopped smoking after suffering their lesion (Quitters) and 38 had kept smoking (Non-Quitters). Results: There was no indication of increased depression in the Quitters compared with the Non-Quitters. The 2 groups, which were statistically indistinguishable on demographic and neuropsychological variables, showed the same rates and levels of severity of depression and related symptoms. Moreover, in a subgroup of 16 Quitters who had stopped smoking immediately after their neurological injury in the context of losing their craving to smoke, rates of depression-related symptoms were no higher than in the other Quitters and the Non-Quitters. Conclusions: Smoking cessation did not lead to elevated levels of depression in patients with brain lesions, suggesting that psychiatric complications (particularly depression) observed after varenicline use are caused by the medication rather than the smoking cessation itself.
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