| Effect of Immunization | Dose Level | |
| 200 µg (n = 6) | 400 µg (n = 6) | |
| Clinically Stable/Improvement in Symptoms | 4 | 5 |
| Reduction in Prostatic Size/Hardness | 1 | 3 |
| Reduction in Acid Phosphatases | 1 | 4 |