Cochrane · systematic review · CD013521

Statins for Smith‐Lemli‐Opitz syndrome

Ballout, RA, Livinski, A, Fu, Y-P, et al. · Cochrane Database of Systematic Reviews · 2022 · 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
6
current version
GRADE rated
4
No studies
2
Included studies
NR
No studies 2 · 33.3%Ungraded 0 · 0%Very low 3 · 50%Low 1 · 16.7%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

Statins with cholesterol supplementation versus cholesterol supplementation only

Population: children and adults with Smith‐Lemli‐Opitz syndrome
6 questions
OutcomeEffectEvidenceStatus / GRADE
Overall survival
Statins with cholesterol supplementation vs cholesterol supplementation only
no estimate extractedNRNo studies
Change in neurobehavioral manifestations
Statins with cholesterol supplementation vs cholesterol supplementation only
no estimate extracted1 study · 14 participantsVery low
Downgraded: risk of bias, inconsistency
Statin‐related adverse events
Statins with cholesterol supplementation vs cholesterol supplementation only
RR 0.33 [0.01, 7.68]1 study · 18 participantsVery low
Downgraded: risk of bias, imprecision
Changes in growth (number of children showing change)
Statins with cholesterol supplementation vs cholesterol supplementation only
no estimate extracted1 study · 18 participantsVery low
Downgraded: risk of bias, inconsistency
Changes in biochemical markers plasma dehydrocholesterol levels (mM); plasma cholesterol levels (mM); plasma 7DHC levels (mM); plasma CoQ levels (uM); CSF cholesterol levels (ug/mL); CSF dehydrocholesterol levels (ug/mL)
Statins with cholesterol supplementation vs cholesterol supplementation only
no estimate extracted1 study · 18 participantsLow
Downgraded: risk of bias, inconsistency
QoL
Statins with cholesterol supplementation vs cholesterol supplementation only
no estimate extractedNRNo studies