each group at week 2 and week 12 from baseline
visit. All laboratory data were also no significant
difference between VC and placebo groups at
baseline visit, week 2, and week12. Table 2 shows
the percentages of subjects who reported adverse
events during the treatment period. There were
no significant differences in adverse events
between the groups except percentage of subjects
who disliked the taste and smell of cigarette
smoke, which was significantly higher in VC
group. No serious adverse event was reported
during the treatment period. There were no
significant differences in the mean body weight
between VC and placebo groups at baseline visit,
weeks 2, 4, and 12 (all p>0.05). The mean (SD)
weight change from baseline visit to week 12 was
2.30 (0.19) kg for subjects who received VC versus