FCP level | DL <2.5 | DL >2.5 | DL 4–6.5 | DL >6.5 |
>250 | Increase dose by 50 mg every 4 weeks until DL >4 | Increase dose by 50 mg every 4 weeks until DL >4 | Maintain dose | Maintain dose |
50–250 | Increase dose by 50 mg every 4 weeks until DL >2.5 | Maintain dose | Maintain dose | *Reduce dose by 50 mg |
<50 | Maintain dose | Maintain dose | Reduce dose | *Reduce dose by 50 mg |
DL, drug levels; FCP, faecal calprotectin.