Table 2.
Nicotine Pharmacokinetic Parameters
A. Cmax(0‐180) (ng/mL) | ||||
---|---|---|---|---|
Mean ± SD | Geo. LS Mean | Geo. LS Mean Ratio (95%CI), Test/Cigarette (%) | Geo. LS Mean Ratio (95%CI), Test/Gum (%) | |
Own‐brand cigarette (n = 26) | 13.56 ± 7.1747 | 12.11 | ||
Nicotine polacrilex gum (n = 26) | 2.781 ± 1.8058 | 2.04 | ||
Test 1 (n = 27) | 2.894 ± 0.95257 | 2.73 | 22.57 (17.78‐28.65) a | 133.72 (105.38‐169.69) b |
Test 2 (n = 27) | 3.133 ± 1.2021 | 2.90 | 23.99 (18.91‐30.45) a | 142.14 (111.99‐180.40) b |
B. AUC0‐180 (ng·min/mL) | ||||
---|---|---|---|---|
Mean ± SD | Geo. LS Mean | Geo. LS Mean Ratio (95%CI), Test/Cigarette (%) | Geo. LS Mean Ratio (95%CI), Test/Gum (%) | |
Own‐brand cigarette (n = 26) | 1017 ± 303.53 | 946.29 | ||
Nicotine polacrilex gum (n = 26) | 332.0 ± 205.17 | 246.30 | ||
Test 1 (n = 27) | 349.1 ± 121.81 | 327.11 | 34.57 (28.12‐42.49) a | 132.81 (108.07‐163.21) b |
Test 2 (n = 27) | 380.0 ± 155.44 | 348.98 | 36.88 (30.01‐45.32) a | 141.69 (115.28‐174.15) b |
Values are presented as arithmetic mean ± SD, geometric least‐squares mean and geometric least‐squares mean ratio (%) with sample size (n) and the 95% confidence interval (CI) for the geometric mean ratio between the test products and own‐brand cigarette and nicotine polacrilex gum.
P < .0001.
P < .05.