Azathioprine or 6‐mercaptopurine showed no clear difference in clinical remission compared with placebo (moderate certainty).
It is very uncertain whether azathioprine or 6‐mercaptopurine changes clinical remission compared with 5‐ASA or Sulfasalzine (very low certainty).
Azathioprine or 6‐mercaptopurine showed no clear difference in clinical remission1 compared with methotrexate (low certainty).
Azathioprine or 6‐mercaptopurine showed no clear difference in clinical remission or improvement compared with placebo (moderate certainty).
Azathioprine + infliximab probably leads to higher clinical remission compared with infliximab (moderate certainty).
Azathioprine probably leads to lower clinical remission compared with infliximab (moderate certainty).
It is very uncertain whether methotrexate changes proportion of patients achieved clinical remission compared with 6‐mercaptopurine (very low certainty).
It is very uncertain whether methotrexate changes proportion of patients maintaining clinical remission compared with 6‐mercaptopurine (very low certainty).
Azathioprine + infliximab probably leads to higher clinical remission off steroids compared with infliximab (moderate certainty).
Azathioprine probably leads to lower clinical remission off steroids compared with infliximab (moderate certainty).