Cochrane · systematic review · CD000543

Oral 5‐aminosalicylic acid for induction of remission in ulcerative colitis

Murray, A, Nguyen, TM, Parker, CE, et al. · Cochrane Database of Systematic Reviews · 2020 · Cochrane Library

Gut3 versionsAMSTAR 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
28
current version
GRADE rated
23
No studies
5
Included studies
NR
No studies 5 · 17.9%Ungraded 0 · 0%Very low 0 · 0%Low 6 · 21.4%Moderate 12 · 42.9%High 5 · 17.9%

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

Show all 3 versions

Oral 5‐ASA versus placebo for induction of remission in ulcerative colitis

Population: People with active mild‐to‐moderate ulcerative colitis
7 questions
OutcomeEffectEvidenceStatus / GRADE
Failure to induce complete global or clinical remission
Oral 5‐ASA vs placebo
RR 0.86 [0.82, 0.89]11 studies · 2387 participantsHigh
Failure to induce global or clinical improvement
Oral 5‐ASA vs placebo
RR 0.68 [0.61, 0.75]14 studies · 2256 participantsModerate
Downgraded: inconsistency
Failure to induce endoscopic remission
Oral 5‐ASA vs placebo
RR 0.77 [0.67, 0.89]4 studies · 1154 participantsModerate
Downgraded: inconsistency
Failure to adhere to medication regimen
Oral 5‐ASA vs placebo
no estimate extractedNRNo studies
Adverse events
Oral 5‐ASA vs placebo
RR 0.95 [0.85, 1.07]8 studies · 1218 participantsHigh
Serious adverse events
Oral 5‐ASA vs placebo
RR 0.53 [0.18, 1.56]4 studies · 746 participantsLow
Downgraded: imprecision
Withdrawal due to adverse events
Oral 5‐ASA vs placebo
RR 0.72 [0.54, 0.97]13 studies · 2372 participantsModerate
Downgraded: imprecision

Oral 5‐ASA versus SASP for induction of remission in ulcerative colitis

Population: People with active mild‐to‐moderate ulcerative colitis
7 questions
OutcomeEffectEvidenceStatus / GRADE
Failure to induce global or clinical remission
Oral 5‐ASA vs SASP
RR 0.9 [0.77, 1.04]8 studies · 526 participantsModerate
Downgraded: imprecision
Failure to induce global or clinical improvement
Oral 5‐ASA vs SASP
RR 0.88 [0.76, 1.01]14 studies · 1053 participantsHigh
Failure to induce endoscopic remission
Oral 5‐ASA vs SASP
no estimate extractedNRNo studies
Failure to adhere to medication regimen
Oral 5‐ASA vs SASP
no estimate extractedNRNo studies
Adverse events
Oral 5‐ASA vs SASP
RR 0.48 [0.36, 0.63]12 studies · 909 participantsModerate
Downgraded: imprecision
Serious adverse events
Oral 5‐ASA vs SASP
RR 1.36 [0.28, 6.52]2 studies · 107 participantsLow
Downgraded: imprecision
Withdrawal due to adverse events
Oral 5‐ASA vs SASP
RR 0.4 [0.24, 0.68]10 studies · 640 participantsModerate
Downgraded: imprecision

Once daily dosing versus conventional dosing for induction of remission in ulcerative colitis

Population: People with active mild‐to‐moderate ulcerative colitis
7 questions
OutcomeEffectEvidenceStatus / GRADE
Failure to induce global or clinical remission
Once daily dosing vs conventional dosing
RR 0.99 [0.93, 1.06]5 studies · 1761 participantsHigh
Failure to induce global or clinical improvement
Once daily dosing vs conventional dosing
RR 0.74 [0.49, 1.1]3 studies · 564 participantsModerate
Downgraded: imprecision
Failure to induce endoscopic remission
Once daily dosing vs conventional dosing
RR 1.02 [0.98, 1.07]1 study · 817 participantsHigh
Failure to adhere to medication regimen
Once daily dosing vs conventional dosing
RR 1.36 [0.64, 2.86]2 studies · 358 participantsLow
Downgraded: imprecision
Adverse events
Once daily dosing vs conventional dosing
RR 1.02 [0.89, 1.18]4 studies · 1586 participantsModerate
Downgraded: imprecision
Serious adverse events
Once daily dosing vs conventional dosing
RR 1.34 [0.68, 2.66]4 studies · 1586 participantsLow
Downgraded: imprecision
Withdrawal due to adverse events
Once daily dosing vs conventional dosing
RR 0.89 [0.54, 1.49]5 studies · 1757 participantsLow
Downgraded: imprecision

Oral 5‐ASA versus comparator 5‐ASA for induction of remission in ulcerative colitis

Population: People with active mild‐to‐moderate ulcerative colitis
7 questions
OutcomeEffectEvidenceStatus / GRADE
Failure to induce global or clinical remission
Oral 5‐ASA vs comparator 5‐ASA
RR 0.94 [0.86, 1.02]11 studies · 1968 participantsModerate
Downgraded: risk of bias
Failure to induce global or clinical improvement
Oral 5‐ASA vs comparator 5‐ASA
RR 0.89 [0.77, 1.01]8 studies · 1647 participantsModerate
Downgraded: risk of bias, imprecision
Failure to induce endoscopic remission
Oral 5‐ASA vs comparator 5‐ASA
no estimate extractedNRNo studies
Failure to adhere to medication regimen
Oral 5‐ASA vs comparator 5‐ASA
no estimate extractedNRNo studies
Adverse events
Oral 5‐ASA vs comparator 5‐ASA
RR 1.01 [0.92, 1.12]9 studies · 1576 participantsModerate
Downgraded: risk of bias, imprecision
Serious adverse events
Oral 5‐ASA vs comparator 5‐ASA
RR 0.59 [0.22, 1.56]4 studies · 677 participantsLow
Downgraded: imprecision
Withdrawal due to adverse events
Oral 5‐ASA vs comparator 5‐ASA
RR 0.94 [0.57, 1.54]9 studies · 1489 participantsModerate
Downgraded: imprecision