| Parameter | Placebo (n = 43) | Metoclopramide tablet (n = 43) | Metoclopramide ODT (n = 43) |
| Mean age (range), | 45 | 46 | 48 |
| Male:Female, n | 2:1 | 2:2 | 2:1 |
| Race, n (%) White Black Hispanic Asian | 13 11 10 9 | 16 10 12 5 | 13 12 9 9 |
| Body weight, n (range) BMI | 27.4 | 28.3 | 28 |