| Study |
Length of remission prior to drug withdrawal |
Definition of remission prior to drug withdrawal |
| Roblin 2017 |
Minimum 6 months |
CDAI ≤ 150 and fecal calprotectin levels < 250 μg/g |
| Lémann 2005 |
Mean 62 months (standard deviation 26 months); Minimum 42 months |
Clinical remission (CDAI ≤ 150) and no need for medical/surgical therapy in the previous 42 months |
| O'Donoghue 1978 |
Minimum 6 months |
Clinical remission not otherwise specified |
| Van Assche 2008 |
Minimum 6 months |
Clinical response to infliximab and disease control |
| Vilien 2004 |
Not specified |
Clinical remission: physician's global assessment |
| Wenzl 2015 |
Minimum 12 months |
Clinical remission, no need for new medical therapy in the previous 12 months |
