Cochrane · systematic review · CD012112

Intravesical Bacillus Calmette‐Guérin with interferon‐alpha versus intravesical Bacillus Calmette‐Guérin for treating non‐muscle‐invasive bladder cancer

Shepherd, ARH, Shepherd, E, Brook, NR · Cochrane Database of Systematic Reviews · 2017 · Cochrane Library

UrologyAMSTAR 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
10
current version
GRADE rated
7
No studies
3
Included studies
NR
No studies 3 · 30%Ungraded 0 · 0%Very low 2 · 20%Low 5 · 50%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

Intravesically administered BCG combined with IFN‐α compared to intravesically administered BCG alone for treating non‐muscle‐invasive bladder cancer

Population: patients with non‐muscle invasive bladder cancer
5 questions
OutcomeEffectEvidenceStatus / GRADE
Recurrence
Intravesically administered BCG combined with IFN‐α vs intravesically administered BCG alone
RR 0.76 [0.44, 1.32]4 studies · 925 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency
Progression
Intravesically administered BCG combined with IFN‐α vs intravesically administered BCG alone
RR 0.26 [0.04, 1.87]2 studies · 219 participantsLow
Downgraded: risk of bias, imprecision
Discontinuation of therapy due to adverse events ‐ not measured
Intravesically administered BCG combined with IFN‐α vs intravesically administered BCG alone
no estimate extractedNRNo studies
Disease‐specific mortality
Intravesically administered BCG combined with IFN‐α vs intravesically administered BCG alone
RR 0.38 [0.05, 3.05]1 study · 99 participantsVery low
Downgraded: risk of bias, imprecision
Disease‐specific quality of life ‐ not measured
Intravesically administered BCG combined with IFN‐α vs intravesically administered BCG alone
no estimate extractedNRNo studies

Intravesically administered BCG alternating with IFN‐α compared to intravesically administered BCG alone for treating non‐muscle‐invasive bladder cancer

Population: patients with non‐muscle invasive bladder cancer
5 questions
OutcomeEffectEvidenceStatus / GRADE
Time‐to‐recurrence
Intravesically administered BCG alternating with IFN‐α vs intravesically administered BCG alone
HR 2.86 [1.98, 4.13]1 study · 205 participantsLow
Downgraded: risk of bias, imprecision
Time‐to‐progression
Intravesically administered BCG alternating with IFN‐α vs intravesically administered BCG alone
HR 2.39 [0.92, 6.21]1 study · 205 participantsLow
Downgraded: risk of bias, imprecision
Discontinuation of therapy due to adverse events
Intravesically administered BCG alternating with IFN‐α vs intravesically administered BCG alone
RR 2.97 [0.31, 28.09]1 study · 205 participantsLow
Downgraded: risk of bias, imprecision
Disease‐specific mortality
Intravesically administered BCG alternating with IFN‐α vs intravesically administered BCG alone
HR 2.74 [0.73, 10.28]1 study · 205 participantsLow
Downgraded: risk of bias, imprecision
Disease‐specific quality of life ‐ not measured
Intravesically administered BCG alternating with IFN‐α vs intravesically administered BCG alone
no estimate extractedNRNo studies