Cochrane · systematic review · CD000544

Oral 5‐aminosalicylic acid for maintenance 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
24
current version
GRADE rated
20
No studies
4
Included studies
NR
No studies 4 · 16.7%Ungraded 0 · 0%Very low 2 · 8.3%Low 4 · 16.7%Moderate 9 · 37.5%High 5 · 20.8%

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‐aminosalicylic acid versus placebo for maintenance of remission in ulcerative colitis

Population: people with quiescent UC
6 questions
OutcomeEffectEvidenceStatus / GRADE
Failure to maintain clinical or endoscopic remission
Oral 5‐aminosalicylic acid vs placebo
RR 0.68 [0.61, 0.76]8 studies · 1555 participantsHigh
Failure to adhere to study medication
Oral 5‐aminosalicylic acid vs placebo
no estimate extractedNRNo studies
Adverse events
Oral 5‐aminosalicylic acid vs placebo
RR 0.93 [0.73, 1.18]5 studies · 1132 participantsModerate
Downgraded: imprecision
Serious adverse events
Oral 5‐aminosalicylic acid vs placebo
RR 0.6 [0.19, 1.84]3 studies · 826 participantsLow
Downgraded: imprecision
Withdrawal due to adverse event
Oral 5‐aminosalicylic acid vs placebo
RR 1.22 [0.76, 1.95]7 studies · 1454 participantsModerate
Downgraded: imprecision
Exclusion/withdrawal after entry
Oral 5‐aminosalicylic acid vs placebo
RR 1.13 [0.88, 1.44]5 studies · 1074 participantsModerate
Downgraded: imprecision

Oral 5‐aminosalicylic acid versus sulfasalazine for maintenance of remission in ulcerative colitis

Population: people with quiescent ulcerative colitis
6 questions
OutcomeEffectEvidenceStatus / GRADE
Failure to maintain clinical or endoscopic remission
Oral 5‐aminosalicylic acid vs sulfasalazine
RR 1.14 [1.03, 1.27]12 studies · 1655 participantsHigh
Failure to adhere to study medication
Oral 5‐aminosalicylic acid vs sulfasalazine
no estimate extractedNRNo studies
Adverse event
Oral 5‐aminosalicylic acid vs sulfasalazine
RR 1.07 [0.82, 1.4]7 studies · 1138 participantsModerate
Downgraded: imprecision
Serious adverse events
Oral 5‐aminosalicylic acid vs sulfasalazine
no estimate extractedNRNo studies
Withdrawal due to adverse event
Oral 5‐aminosalicylic acid vs sulfasalazine
RR 1.27 [0.87, 1.87]10 studies · 1585 participantsModerate
Downgraded: imprecision
Exclusion/withdrawal after entry
Oral 5‐aminosalicylic acid vs sulfasalazine
RR 1.3 [1.04, 1.63]9 studies · 1497 participantsModerate
Downgraded: imprecision

Once‐daily dosing versus conventional dosing for maintenance of remission in ulcerative colitis

Population: people with quiescent UC
6 questions
OutcomeEffectEvidenceStatus / GRADE
Failure to maintain clinical or endoscopic remission
Once‐daily dosing vs conventional dosing
RR 0.94 [0.88, 1.01]10 studies · 3910 participantsHigh
Failure to adhere to study medication regimen
Once‐daily dosing vs conventional dosing
RR 1.18 [0.72, 1.93]9 studies · 2306 participantsModerate
Downgraded: imprecision
Adverse event
Once‐daily dosing vs conventional dosing
RR 0.98 [0.92, 1.04]8 studies · 3497 participantsHigh
Serious adverse events
Once‐daily dosing vs conventional dosing
RR 1.2 [0.77, 1.87]7 studies · 3196 participantsModerate
Downgraded: imprecision
Withdrawal due to adverse events
Once‐daily dosing vs conventional dosing
RR 1.18 [0.74, 1.89]8 studies · 4340 participantsVery low
Downgraded: risk of bias, imprecision
Exclusion/withdrawal after entry
Once‐daily dosing vs conventional dosing
RR 0.99 [0.85, 1.15]7 studies · 3737 participantsHigh

Oral 5‐aminosalicylic acid versus comparator 5‐aminosalicylic acid formulation for maintenance of remission in ulcerative colitis

Population: people with quiescent UC
6 questions
OutcomeEffectEvidenceStatus / GRADE
Failure to maintain clinical or endoscopic remission
Oral 5‐aminosalicylic acid vs comparator 5‐aminosalicylic acid formulation
RR 1.08 [0.91, 1.28]6 studies · 707 participantsLow
Downgraded: risk of bias, imprecision
Failure to adhere to study medication regimen
Oral 5‐aminosalicylic acid vs comparator 5‐aminosalicylic acid formulation
no estimate extractedNRNo studies
Adverse event
Oral 5‐aminosalicylic acid vs comparator 5‐aminosalicylic acid formulation
RR 0.94 [0.83, 1.07]4 studies · 357 participantsLow
Downgraded: risk of bias, imprecision
Serious adverse events
Oral 5‐aminosalicylic acid vs comparator 5‐aminosalicylic acid formulation
RR 0.56 [0.14, 2.22]1 study · 95 participantsLow
Downgraded: imprecision
Withdrawal due to adverse events
Oral 5‐aminosalicylic acid vs comparator 5‐aminosalicylic acid formulation
RR 1.255 studies · 457 participantsVery low
Downgraded: risk of bias, imprecision
Exclusion/withdrawal after entry
Oral 5‐aminosalicylic acid vs comparator 5‐aminosalicylic acid formulation
RR 1.23 [0.9, 1.7]5 studies · 457 participantsModerate
Downgraded: imprecision