Study population
A total of 148 subjects were enrolled and randomized; all subjects were randomized to one of four Vuse Solo investigational products (IPs) and 122 (82.4%) subjects completed all scheduled PK assessments. A total of 26 randomized subjects (17.6%) withdrew or early termed from the study for reasons unrelated to study products. Of these 122 study completers, four subjects were excluded from the final PK analysis due to CThe demographic and baseline characteristics of the subjects are summarized in Supplementary Table 