Adverse events in MSC treated patients (weeks 0–6)
| n | Patient number | |
| Likely related to MSC infusion | ||
| Allergic reaction | 1 | 4 |
| Typical taste and smell | 9 | All |
| Headache | 3 | 1, 4, 7 |
| Unlikely related | ||
| Worsening CD* | 2 | 1, 7 |
| Dizziness | 1 | 1 |
| Nausea | 2 | 1,2 |
| Vomiting | 1 | 1 |
| Bloating | 1 | 3 |
| Abdominal pain | 3 | 3, 5, 8 |
| Haemorrhoid | 1 | 4 |
| Fever | 1 | 4 |
| Lack of appetite | 2 | 1, 4 |
| Fatigue | 2 | 5, 8 |
| Diarrhoea | 1 | 8 |
| Common cold | 1 | 10 |
| Otitis media acuta | 1 | 2 |
↵* Two serious adverse events were reported due to worsening of disease requiring hospitalisation.