| Subject | Group | Baseline | Follow-Up Week | ||
| 1st Month | 3rd Month | 6th Month | |||
| 1 | Placebo | 296 | 175 | 187 | 192 |
| 2 | Placebo | 376 | 329 | 236 | 76 |
| 3 | Placebo | 150 | ?(150*) | ?(150*) | ?(150*) |
| 4 | Active | 282 | 186 | 225 | 134 |
| 5 | Active | 317 | 31 | 85 | 120 |
| 6 | Active | 362 | 104 | ?(104*) | ?(104*) |