Ibudilast may improve attention during early abstinence from methamphetamine.

Background: Inattention is a deficit related to instilling abstinence from methamphetamine (MA) dependence. This study aimed to determine whether ibudilast (IB; 50mg bid) improves attentional abilities compared to placebo during early abstinence from MA dependence.

Methods: Attention was assessed in 11 MA-dependent non-treatment seeking participants in a phase IB safety-interaction trial.