Table 2 . Adverse effects reported by the patients during treatment .
| Adverse effect | OAF-400 | OAF-600 | p -value | |
| Malaise | 0 (0%) | 7 (6.7%) | 0.007 | |
| Nausea & Vomiting | 2 (1.9%) | 19 (18.1%) | 0.04 | |
| Bitter taste | 0 (0%) | 2 (1.9%) | 0.15 | |
| Dizziness | 4 (3.8%) | 12 (11.4%) | 0.03 | |
| Dyspepsia | 0 (0%) | 3 (2.9%) | 0.08 | |
| Rash | 0 (0%) | 1 (0.9%) | 0.31 | |
| Arthralgia | 1 (0.9%) | 2 (1.9%) | 0.56 | |
| Orthostatic hypotension | 0 (0%) | 8 (7.6%) | 0.004 | |
| Urticaria | 1 (0.9%) | 1 (0.9%) | 0.1 | |
| Pruritus | 1 (0.9%) | 0 (0%) | 0.31 | |
| Headache | 1 (0.9%) | 6 (5.7%) | 0.055 | |
| Abdominal pain | 1 (0.9%) | 1 (0.9%) | 1 | |
| Chest pain | 0 (0%) | 1 (0.9%) | 0.31 | |
| Diarrhea | 1 (0.9%) | 2 (1.9%) | 0.56 | |
| Bloating | 2 (1.9%) | 0 (0%) | 0.15 | |
| Fever | 1 (0.9%) | 8 (6.7%) | 0.01 | |
| Anorexia | 1 (0.9%) | 2 (1.9%) | 0.56 | |
| Severity of side effects N (%) | Mild | 4(3.8%) | 34 (31.4%) | 0.001 |
| Moderate | 4(3.8%) | 14 (13.3%) | ||
| Severe | 9 (8.6%) | 6 (5.7%) | ||
| Drug interruption due to side effects | 4 (3.8%) | 3 (2.8%) |