Table 2.
CEA levels of 6 patients who showed temporary decrease during the vaccination
| Patient | Baseline level (weeks) *1 *2 | Lowest level (weeks) *2 | Percent reduction *3 | Duration of the decrease in CEA |
| Case 1 | 15.9 ng/ml (0 week) | 6.5 ng/ml (7 weeks) | 59.1 % | 12 weeks |
| Case 3 | 34.0 ng/ml (5 weeks) | 30.4 ng/ml (9 weeks) | 10.6% | 6.5 weeks |
| Case 5 | 184.0 ng/ml (0 week) | 159.2 ng/ml (2 weeks) | 13.5 % | 8 weeks |
| Case 6 | 19.5 ng/ml (8 weeks) | 19.4 ng/ml (10 weeks) | 0.5 % | 2 weeks |
| Case 7 | 230.0 ng/ml (0 week) | 150.2 ng/ml (2 weeks) | 34.7 % | 3.5 weeks |
| Case 9 | 78.3 ng/ml (0 week) | 71.7 ng/ml (8 weeks) | 8.4 % | 11 weeks |
*1 CEA level just before the decrease, *2 Period after the first vaccination, *3 (Baseline level – Lowest level) / Baseline level × 100 (%)