Kodali 2011.

Methods	Design: RCT Number of study centres: not reported, USA Setting: not reported Patient recruitment: not reported Duration of study (Follow‐up): 12 months Clinical setting: 'statin naive' patients with maximum carotid stenosis > 50%
Participants	Enrolment (N): 18 Randomised (N): not reported Withdrawn (N): not reported Lost to follow‐up (N): not reported Completed the study (N): not reported Analysed (N): not reported Age (years) (mean ± SD): not reported Sex (male, N, %): not reported Smoking history (N, %): not reported BMI (kg/m², mean ± SD):): not reported Diabetes (N, %): not reported Hypertension (N, %): not reported History of CHD (N, %): not reported Statin pretreatment (N, %): intervention:0% ; control:0% Inclusion criteria: 'statin naive' patients with maximum carotid stenosis > 50% Exclusion criteria: not reported
Interventions	Intervention: ezetimibe 10 mg/ simvastatin 40 mg Comparison: simvastatin 40 mg Details of any 'run‐in' period: not reported Concomitant medications: not reported Excluded medications: not reported
Outcomes	Primary: changes in carotid outer wall area (OWA), lumen area (LA), vessel wall area (VWA), lipid area (LpA) and lipid percentage (Lp%), measured by high‐resolution CMR
Notes	Two conference abstracts only. No outcome data relevant to this review. Emailed trialists for details. No response Source of funding: not reported.
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Quote: "randomized", but no further details.
Allocation concealment (selection bias)	Unclear risk	Not reported
Blinding of participants and personnel (performance bias) All outcomes	Unclear risk	Not reported
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	Not reported
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	Not reported
Selective reporting (reporting bias)	Unclear risk	Insufficient information to permit judgement
Other bias	High risk	Published conference abstract only