Restoring Cognitive Control (ReCon) in Acute Nicotine Withdrawal

This study is a Phase 2A, randomized, double-blinded, placebo-controlled, two-period crossover study to evaluate the effect of two doses of SXC-2023 on measures of impulsivity and inhibitory control, urge for cigarettes, and mood in non-treatment seeking smokers who are abstaining from smoking. The study consists of a screening period of up to 30 days, a 5 day randomized double-blind treatment period, a 9 day washout period, followed by a second 5 day randomized double-blind treatment period, with a safety follow-up period 7 days after the last dose of study medication.