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Addiction. 2012 Jan;107(1):131-41. doi: 10.1111/j.1360-0443.2011.03552.x. Epub 2011 Oct 10.

Sertraline delays relapse in recently abstinent cocaine-dependent patients with depressive symptoms.

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University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA.



Whether the selective serotonin re-uptake inhibitor sertraline at 200 mg/day delays relapse in recently abstinent cocaine-dependent individuals.


The study involved a 12-week, double-blind, placebo-controlled clinical trial with 2-week residential stay followed by 10-week out-patient participation.


Veterans Affairs residential unit and out-patient treatment research program.


Cocaine-dependent volunteers (n = 86) with depressive symptoms (Hamilton score > 15), but otherwise no major psychiatric or medical disorder or contraindication to sertraline.


Participants were housed on a drug-free residential unit (weeks 1-2) and randomized to receive sertraline or placebo. Participants then participated on an out-patient basis during weeks 3-12 while continuing to receive study medication. Patients participated in a day substance abuse/day treatment program during weeks 1-3 and underwent weekly cognitive behavioral therapy during weeks 4-12. The primary outcome measure was thrice-weekly urine results and the secondary measure was Hamilton Depression scores.


Pre-hoc analyses were performed on those who participated beyond week 2. Generally, no group differences in retention or baseline characteristics occurred. Sertraline patients showed a trend towards longer time before their first cocaine-positive urine ('lapse', χ(2) = 3.67, P = 0.056), went significantly longer before having two consecutive urine samples positive for cocaine ('relapse', χ(2) = 4.03, P = 0.04) and showed significantly more days to lapse (26.1 ± 16.7 versus 13.2 ± 10.5; Z = 2.89, P = 0.004) and relapse (21.3 ± 10.8 versus 32.3 ± 14.9; Z = 2.25, P = 0.02). Depression scores decreased over time (F = 43.43, P < 0.0001), but did not differ between groups (F = 0.09, P = 0.77).


Sertraline delays time to relapse relative to placebo in cocaine-dependent patients who initially achieve at least 2 weeks of abstinence.

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