Cochrane · systematic review · CD014201

Clotting factor concentrates for preventing bleeding and bleeding‐related complications in previously treated individuals with haemophilia A or B

Olasupo, OO, Lowe, MS, Krishan, A, et al. · Cochrane Database of Systematic Reviews · 2021 · Cochrane Library

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
9
current version
GRADE rated
9
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 1 · 11.1%Low 7 · 77.8%Moderate 1 · 11.1%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

Comparison of two prophylaxis regimens

Population: children or adults with hemophilia A or B
3 questions
OutcomeEffectEvidenceStatus / GRADE
Number of joint bleeding episodes per year (AJBR)
no estimate extracted3 studies · 219 participantsLow
Downgraded: risk of bias, imprecision
Number of total bleeds per year (ABR)
no estimate extracted7 studies · 310 participantsLow
Downgraded: risk of bias, imprecision
Treatment‐related adverse events
no estimate extracted3 studies · 223 participantsVery low
Downgraded: risk of bias, imprecision

Prophylaxis with standard therapeutic factor concentrate compared to pegylated liposome FVIII formulation

Population: children or adults with hemophilia A
3 questions
OutcomeEffectEvidenceStatus / GRADE
AJBR
Prophylaxis with standard therapeutic factor concentrate vs pegylated liposome FVIII formulation
no estimate extracted1 study · 143 participantsLow
Downgraded: risk of bias
ABR
Prophylaxis with standard therapeutic factor concentrate vs pegylated liposome FVIII formulation
no estimate extracted1 study · 143 participantsLow
Downgraded: risk of bias
Any reported adverse effects
Prophylaxis with standard therapeutic factor concentrate vs pegylated liposome FVIII formulation
no estimate extracted1 study · 143 participantsLow
Downgraded: risk of bias

Prophylaxis regimen versus on‐demand treatment

Population: children and adults with haemophilia A or B
3 questions
OutcomeEffectEvidenceStatus / GRADE
Number of joint bleeding episodes or joint bleeding frequency
Prophylaxis regimen vs on‐demand treatment
no estimate extracted2 studies · 164 participantsLow
Downgraded: risk of bias, inconsistency
Number of total bleeds per year or bleeding frequency
Prophylaxis regimen vs on‐demand treatment
no estimate extracted2 studies · 164 participantsLow
Downgraded: risk of bias, inconsistency
Any reported adverse events
Prophylaxis regimen vs on‐demand treatment
RR 1.71 [1.24, 2.37]2 studies · 131 participantsModerate
Downgraded: risk of bias, inconsistency