Ose 1995.
Methods | 6‐week placebo washout period 6‐week before and after trial |
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Participants | 432 adults men and women patients total cholesterol ≥6.5 mmol/L (≥250 mg/dL) 213 received fluvastatin and 219 received simvastatin LDL cholesterol ≥ 4.9 mmol/L (≥190 mg/dL) for those without CHD and < 2 CHD risk factors; ≥ 4.1 mmol/L (≥160 mg/dL) for those without CHD but with ≥ 2 CHD risk factors; ≥3.4 mmol/L (≥ 130 mg/dL) for those with CHD exclusion criteria: patients > 70 years of age, secondary hypercholesterolaemia, unstable or Prinzmetal angina, MI or CABG within previous 2 months plasma triglyceride ≥4.0 mmol/L (≥ 350 mg/dL), childbearing potential, history of substance abuse, patients with poor mental function recent history of hepatitis, impaired hepatic function, uncontrolled diabetes mellitus, concurrent use of immunosuppressants or of investigational drug therapy prohibited within 30 days of study entry Fluvastatin 20 mg/day baseline TC : 8.3 mmol/L (321 mg/dL) Fluvastatin 20 mg/day baseline LDL‐C : 6.2 mmol/L (240 mg/dL) Fluvastatin 20 mg/day baseline HDL‐C : 1.3 mmol/L (50 mg/dL) Fluvastatin 40 mg/day baseline TC : 8.2 mmol/L (317 mg/dL) Fluvastatin 40 mg/day baseline LDL‐C : 8.0 mmol/L (309 mg/dL) Fluvastatin 40 mg/day baseline HDL‐C : 1.3 mmol/L (50 mg/dL) |
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Interventions | Fluvastatin 20 mg/day for 6 weeks Fluvastatin 40 mg/day for 6 weeks Simvastatin 5 mg/day for 6 weeks Simvastatin 10 mg/day for 6 weeks |
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Outcomes | per cent change from baseline at 6 weeks of plasma TC and LDL‐C | |
Source of Funding | Merck & Co. Inc | |
Notes | Simvastatin 5 mg/day for 6 weeks Simvastatin 10 mg/day for 6 weeks groups were not analysed HDL‐C data were not included in the efficacy analysis because the calculated value was different by more than 10% from the given value Triglyceride data were not included in the efficacy analysis because it was expressed as a median percent change from baseline |
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Risk of bias | ||
Bias | Authors' judgement | Support for judgement |
Random sequence generation (selection bias) | High risk | Controlled before and after design |
Allocation concealment (selection bias) | High risk | Controlled before and after design |
Blinding of participants and personnel (performance bias) All outcomes | Low risk | Lipid parameter measurements unlikely influenced by lack of blinding |
Blinding of outcome assessment (detection bias) LDL‐cholesterol | Low risk | Lipid parameters were measured in a remote laboratory |
Blinding of outcome assessment (detection bias) WDAEs | High risk | No comparison possible |
Incomplete outcome data (attrition bias) All outcomes | Low risk | 4.2% participants were not included in the efficacy analysis |
Selective reporting (reporting bias) | Low risk | LDL‐C outcome was reported |
Other bias | High risk | Merck & Co. Inc. funded the trial |