Overview D-Cycloserine Enhancement of Exposure-Based CBT for Smoking Cessation (DCSSmoking) Status: Withdrawn Trial end date: 2015-07-15 Target enrollment: Participant gender: Summary This study examines whether isolated doses of D-cycloserine enhance the efficacy of CBT for smoking cessation. Phase: Phase 2 Details Lead Sponsor: Boston UniversityBoston University Charles River CampusTreatments: Cycloserine