Cochrane · systematic review · CD000067

Azathioprine or 6‐mercaptopurine for maintenance of remission in Crohn's disease

Chande, N, Patton, PH, Tsoulis, DJ, et al. · Cochrane Database of Systematic Reviews · 2015 · Cochrane Library

GutAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
19
current version
GRADE rated
19
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 15 · 78.9%Low 4 · 21.1%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Azathioprine or 6‐mercaptopurine versus placebo for maintenance of remission in Crohn's disease

Population: maintenance of remission in Crohn's disease
4 questions
OutcomeEffectEvidenceStatus / GRADE
Maintenance of remission (sensitivity analysis excluding Candy 1995)
Azathioprine or 6‐mercaptopurine vs placebo
RR 1.19 [1.05, 1.34]6 studies · 489 participantsLow
Downgraded: risk of bias, imprecision
Adverse events
Azathioprine or 6‐mercaptopurine vs placebo
RR 1.29 [1.02, 1.64]6 studies · 359 participantsLow
Downgraded: risk of bias, imprecision
Withdrawals due to adverse events
Azathioprine or 6‐mercaptopurine vs placebo
RR 3.12 [1.59, 6.09]7 studies · 661 participantsVery low
Downgraded: risk of bias, imprecision
Serious adverse events
Azathioprine or 6‐mercaptopurine vs placebo
RR 2.45 [1.22, 4.9]4 studies · 556 participantsVery low
Downgraded: risk of bias, imprecision

Azathioprine or 6‐mercaptopurine versus mesalazine or sulfasalazine for maintenance of remission in Crohn's disease

Population: maintenance of remission in Crohn's disease
4 questions
OutcomeEffectEvidenceStatus / GRADE
Maintenance of remission
Azathioprine or 6‐mercaptopurine vs mesalazine or sulfasalazine
RR 1.09 [0.88, 1.34]2 studies · 166 participantsLow
Downgraded: risk of bias, imprecision
Adverse events
Azathioprine or 6‐mercaptopurine vs mesalazine or sulfasalazine
RR 8.77 [0.54, 142.51]1 study · 45 participantsVery low
Downgraded: risk of bias, imprecision
Withdrawals due to adverse events
Azathioprine or 6‐mercaptopurine vs mesalazine or sulfasalazine
RR 1.86 [0.87, 3.97]2 studies · 290 participantsVery low
Downgraded: risk of bias, imprecision
Serious adverse events
Azathioprine or 6‐mercaptopurine vs mesalazine or sulfasalazine
RR 9.37 [1.84, 47.72]2 studies · 235 participantsVery low
Downgraded: risk of bias, imprecision

Azathioprine versus budesonide for maintenance of remission in Crohn's disease

Population: maintenance of remission in Crohn's disease
3 questions
OutcomeEffectEvidenceStatus / GRADE
Maintenance of remission
Azathioprine vs budesonide
RR 1.65 [1.13, 2.42]1 study · 77 participantsLow
Downgraded: risk of bias, imprecision
Withdrawals due to adverse events
Azathioprine vs budesonide
RR 5.13 [0.25, 103.43]1 study · 77 participantsVery low
Downgraded: risk of bias, imprecision
Serious adverse events
Azathioprine vs budesonide
RR 5.13 [0.25, 103.43]1 study · 77 participantsVery low
Downgraded: risk of bias, imprecision

Azathioprine and infliximab versus infliximab for maintenance of remission in Crohn's disease

Population: maintenance of remission in Crohn's disease
4 questions
OutcomeEffectEvidenceStatus / GRADE
Maintenance of remission
Azathioprine and infliximab vs infliximab
RR 1.02 [0.74, 1.4]1 study · 36 participantsVery low
Downgraded: risk of bias, imprecision
Adverse events
Azathioprine and infliximab vs infliximab
RR 1.6 [0.33, 7.86]1 study · 45 participantsVery low
Downgraded: risk of bias, imprecision
Withdrawals due to adverse events
Azathioprine and infliximab vs infliximab
RR 2.42 [0.1, 56.46]1 study · 45 participantsVery low
Downgraded: risk of bias, imprecision
Serious adverse events
Azathioprine and infliximab vs infliximab
RR 2.42 [0.1, 56.46]1 study · 45 participantsVery low
Downgraded: risk of bias, imprecision

6‐Mercaptopurine versus methotrexate for maintenance of remission in Crohn's disease

Population: maintenance of remission in Crohn's disease
4 questions
OutcomeEffectEvidenceStatus / GRADE
Maintenance of remission
6‐Mercaptopurine vs methotrexate
RR 0.94 [0.47, 1.85]1 study · 31 participantsVery low
Downgraded: risk of bias, imprecision
Adverse events
6‐Mercaptopurine vs methotrexate
RR 0.65 [0.31, 1.38]1 study · 57 participantsVery low
Downgraded: risk of bias, imprecision
Withdrawals due to adverse events
6‐Mercaptopurine vs methotrexate
RR 0.68 [0.17, 2.75]1 study · 57 participantsVery low
Downgraded: risk of bias, imprecision
Serious adverse events
6‐Mercaptopurine vs methotrexate
RR 0.68 [0.17, 2.75]1 study · 57 participantsVery low
Downgraded: risk of bias, imprecision