Question 3 How early should immunosuppressives be introduced in

Question 3. How early should immunosuppressives be introduced in the management of Crohn’s disease and which regimen should be used? Draft answer modified by National Meeting Working Group (1) Initiation of immunosuppressives early in the disease course (at first flare needing steroids) should be considered (level of evidence: 1b; grade of recommendation: A) Question 4. What is the best dosing strategy for immunosuppressives

in Crohn’s disease, in terms of: starting and maximum doses, duration, dose escalation/de-escalation (when? rate?), which immunosuppressive first? Draft answer modified by National Meeting Linsitinib in vitro Working Group (1) The most effective doses appear to be 2.0–3.0 mg/kg for azathioprine and 1.0–1.5 mg/kg for 6-mercaptopurine administered orally, based on reported clinical trials. There is no evidence to support dose de-escalation (level of evidence: 1a; grade of recommendation: A). Question

5/Part 1. How should the efficacy of a treatment be monitored clinically and biologically? What is the definition of treatment failure? When should the effect of treatment be evaluated? Draft answer modified by National Meeting Working Group (1) Remission of signs and symptoms is the most widely clinically accepted endpoint for treatment efficacy. The Crohn’s Disease Alpelisib Activity Index and Harvey Resveratrol Bradshaw Index are accepted tools for quantification of efficacy in clinical trials, the latter is simple enough to allow its use in clinical practice (level of evidence: 5; grade of recommendation: D). Question 5/Part 2. Should mucosal healing be assessed? Draft answer modified by National Meeting Working Group (1) Achievement of mucosal healing in Crohn’s disease leads to prolonged steroid-free remission, fewer abdominal surgeries and may reduce hospitalizations (Level of

Evidence: 2b – remission; Grade of recommendation: B); (Level of Evidence: 4 – surgery; Grade of recommendation: C); (level of evidence: 2b – hospitalization; grade of recommendation: B). Question 6. If azathioprine and a biologic are given in combination, should any of the treatments be stopped? Which treatment should be stopped to achieve the smallest reduction in efficacy? When should that treatment be stopped? Draft answer modified by National Meeting Working Group (1) In patients with moderately active Crohn’s disease naïve to immunosuppressive therapy, the combination of an immunosuppressive with infliximab improves rates of steroid-free remission up to 1 year after initiation of therapy (level of evidence: 1b; grade of recommendation: A). Question 7.

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