Trial Outcomes & Findings for Effects of Simvastatin and Ezetimibe on Cardiovascular Risk Markers in Patients With Dyslipidemia (NCT NCT02304926)

NCT ID: NCT02304926

Last Updated: 2018-03-08

Results Overview

Total cholesterol concentration was measured by enzymatic assay

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

42 participants

Primary outcome timeframe

Baseline, 4 weeks and 8 weeks

Results posted on

2018-03-08

Participant Flow

Participant milestones

Participant milestones
Measure
Simvastatin
20 hyperlipidemic patients received simvastatin (40 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Simvastatin: simvastatin (40 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Ezetimibe
20 hyperlipidemic patients received ezetimibe (10 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Ezetimibe: ezetimibe (10 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Overall Study
STARTED
22
20
Overall Study
COMPLETED
20
19
Overall Study
NOT COMPLETED
2
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Simvastatin
20 hyperlipidemic patients received simvastatin (40 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Simvastatin: simvastatin (40 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Ezetimibe
20 hyperlipidemic patients received ezetimibe (10 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Ezetimibe: ezetimibe (10 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Overall Study
Lost to Follow-up
2
1

Baseline Characteristics

Effects of Simvastatin and Ezetimibe on Cardiovascular Risk Markers in Patients With Dyslipidemia

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Simvastatin
n=20 Participants
20 hyperlipidemic patients received simvastatin (40 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Simvastatin: simvastatin (40 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Ezetimibe
n=19 Participants
20 hyperlipidemic patients received ezetimibe (10 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Ezetimibe: ezetimibe (10 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Total
n=39 Participants
Total of all reporting groups
Age, Continuous
57.7 years
STANDARD_DEVIATION 12.7 • n=93 Participants
57.6 years
STANDARD_DEVIATION 10.2 • n=4 Participants
57.7 years
STANDARD_DEVIATION 11.5 • n=27 Participants
Sex: Female, Male
Female
15 Participants
n=93 Participants
16 Participants
n=4 Participants
31 Participants
n=27 Participants
Sex: Female, Male
Male
5 Participants
n=93 Participants
3 Participants
n=4 Participants
8 Participants
n=27 Participants
Body mass index
28.6 Kg/m2
STANDARD_DEVIATION 3.9 • n=93 Participants
31.2 Kg/m2
STANDARD_DEVIATION 7.3 • n=4 Participants
29.8 Kg/m2
STANDARD_DEVIATION 5.6 • n=27 Participants
Systolic blood pressure
133 mm Hg
STANDARD_DEVIATION 17 • n=93 Participants
137 mm Hg
STANDARD_DEVIATION 14 • n=4 Participants
134 mm Hg
STANDARD_DEVIATION 15 • n=27 Participants
Diastolic blood pressure (mm Hg)
79 mm Hg
STANDARD_DEVIATION 10 • n=93 Participants
80 mm Hg
STANDARD_DEVIATION 7 • n=4 Participants
80 mm Hg
STANDARD_DEVIATION 8 • n=27 Participants

PRIMARY outcome

Timeframe: Baseline, 4 weeks and 8 weeks

Total cholesterol concentration was measured by enzymatic assay

Outcome measures

Outcome measures
Measure
Simvastatin
n=20 Participants
Hyperlipidemic patients received simvastatin (40 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Simvastatin: simvastatin (40 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Ezetimibe
n=19 Participants
Hyperlipidemic patients received ezetimibe (10 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Ezetimibe: ezetimibe (10 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Total Cholesterol Before and After Simvastatin/Ezetimibe Administration
Baseline
255 mg/dl
Standard Deviation 34
253 mg/dl
Standard Deviation 26
Total Cholesterol Before and After Simvastatin/Ezetimibe Administration
4 weeks
180 mg/dl
Standard Deviation 29
215 mg/dl
Standard Deviation 33
Total Cholesterol Before and After Simvastatin/Ezetimibe Administration
8 weeks
173 mg/dl
Standard Deviation 38
169 mg/dl
Standard Deviation 39

PRIMARY outcome

Timeframe: Baseline, 4 weeks and 8 weeks

Low-density lipoprotein cholesterol (LDLc) concentration was calculated using the method of Friedewald.

Outcome measures

Outcome measures
Measure
Simvastatin
n=20 Participants
Hyperlipidemic patients received simvastatin (40 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Simvastatin: simvastatin (40 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Ezetimibe
n=19 Participants
Hyperlipidemic patients received ezetimibe (10 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Ezetimibe: ezetimibe (10 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Low-density Lipoprotein Cholesterol (LDLc) Before and After Simvastatin/Ezetimibe Administration
Baseline
178 mg/dl
Standard Deviation 26
172 mg/dl
Standard Deviation 29
Low-density Lipoprotein Cholesterol (LDLc) Before and After Simvastatin/Ezetimibe Administration
4 weeks
106 mg/dl
Standard Deviation 18
138 mg/dl
Standard Deviation 32
Low-density Lipoprotein Cholesterol (LDLc) Before and After Simvastatin/Ezetimibe Administration
8 weeks
98 mg/dl
Standard Deviation 28
94 mg/dl
Standard Deviation 36

PRIMARY outcome

Timeframe: Baseline, 4 weeks and 8 weeks

High-density lipoprotein cholesterol (HDLc) concentration was measured using a direct method

Outcome measures

Outcome measures
Measure
Simvastatin
n=20 Participants
Hyperlipidemic patients received simvastatin (40 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Simvastatin: simvastatin (40 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Ezetimibe
n=19 Participants
Hyperlipidemic patients received ezetimibe (10 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Ezetimibe: ezetimibe (10 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
High-density Lipoprotein Cholesterol (HDLc) Before and After Simvastatin/Ezetimibe Administration
Baseline
47 mg/dl
Standard Deviation 11
53 mg/dl
Standard Deviation 15
High-density Lipoprotein Cholesterol (HDLc) Before and After Simvastatin/Ezetimibe Administration
4 weeks
50 mg/dl
Standard Deviation 13
53 mg/dl
Standard Deviation 11
High-density Lipoprotein Cholesterol (HDLc) Before and After Simvastatin/Ezetimibe Administration
8 weeks
51 mg/dl
Standard Deviation 13
53 mg/dl
Standard Deviation 13

PRIMARY outcome

Timeframe: Baseline, 4 weeks and 8 weeks

Triglyceride concentration were measured by enzymatic assay

Outcome measures

Outcome measures
Measure
Simvastatin
n=20 Participants
Hyperlipidemic patients received simvastatin (40 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Simvastatin: simvastatin (40 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Ezetimibe
n=19 Participants
Hyperlipidemic patients received ezetimibe (10 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Ezetimibe: ezetimibe (10 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Triglycerides Before and After Simvastatin/Ezetimibe Administration
Baseline
141 mg/dl
Interval 104.0 to 168.0
120 mg/dl
Interval 81.0 to 184.0
Triglycerides Before and After Simvastatin/Ezetimibe Administration
4 weeks
117 mg/dl
Interval 82.0 to 136.0
105 mg/dl
Interval 81.0 to 142.0
Triglycerides Before and After Simvastatin/Ezetimibe Administration
8 weeks
104 mg/dl
Interval 82.0 to 146.0
81 mg/dl
Interval 61.0 to 137.0

PRIMARY outcome

Timeframe: Baseline, 4 weeks and 8 weeks

Non-HDLc concentration was obtained by calculating the difference between total cholesterol and HDLc

Outcome measures

Outcome measures
Measure
Simvastatin
n=20 Participants
Hyperlipidemic patients received simvastatin (40 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Simvastatin: simvastatin (40 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Ezetimibe
n=19 Participants
Hyperlipidemic patients received ezetimibe (10 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Ezetimibe: ezetimibe (10 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Non-HDL Cholesterol Before and After Simvastatin/Ezetimibe Administration
4 weeks
130 mg/dl
Standard Deviation 23
162 mg/dl
Standard Deviation 33
Non-HDL Cholesterol Before and After Simvastatin/Ezetimibe Administration
8 weeks
122 mg/dl
Standard Deviation 31
115 mg/dl
Standard Deviation 39
Non-HDL Cholesterol Before and After Simvastatin/Ezetimibe Administration
Baseline
208 mg/dl
Standard Deviation 29
200 mg/dl
Standard Deviation 28

PRIMARY outcome

Timeframe: Baseline, 4 weeks and 8 weeks

LDL subfractions were separated by high-resolution polyacrylamide gel tubes using the Lipoprint® system. The LDL electrophoretic profile allows 2 patterns to be defined: pattern A or large and buoyant LDL, and pattern non-A or small and dense LDL.

Outcome measures

Outcome measures
Measure
Simvastatin
n=20 Participants
Hyperlipidemic patients received simvastatin (40 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Simvastatin: simvastatin (40 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Ezetimibe
n=19 Participants
Hyperlipidemic patients received ezetimibe (10 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Ezetimibe: ezetimibe (10 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Low Density Lipoprotein Size Before and After Simvastatin/Ezetimibe Administration
Baseline
268.1 Angström
Standard Deviation 4.7
270.4 Angström
Standard Deviation 2.3
Low Density Lipoprotein Size Before and After Simvastatin/Ezetimibe Administration
4 weeks
270.4 Angström
Standard Deviation 2.9
271.5 Angström
Standard Deviation 2.2
Low Density Lipoprotein Size Before and After Simvastatin/Ezetimibe Administration
8 weeks
271.7 Angström
Standard Deviation 2.7
272.0 Angström
Standard Deviation 1.9

PRIMARY outcome

Timeframe: Baseline, 4 weeks and 8 weeks

Levels of apolipoprotein B were determined by inmunonephelometry

Outcome measures

Outcome measures
Measure
Simvastatin
n=20 Participants
Hyperlipidemic patients received simvastatin (40 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Simvastatin: simvastatin (40 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Ezetimibe
n=19 Participants
Hyperlipidemic patients received ezetimibe (10 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Ezetimibe: ezetimibe (10 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Apolipoprotein B Before and After Simvastatin/Ezetimibe Administration
Baseline
139 mg/dl
Standard Deviation 20
127 mg/dl
Standard Deviation 23
Apolipoprotein B Before and After Simvastatin/Ezetimibe Administration
4 weeks
92 mg/dl
Standard Deviation 18
110 mg/dl
Standard Deviation 24
Apolipoprotein B Before and After Simvastatin/Ezetimibe Administration
8 weeks
84 mg/dl
Standard Deviation 18
79 mg/dl
Standard Deviation 29

SECONDARY outcome

Timeframe: Baseline, 4 weeks and 8 weeks

Levels of high-sensitive C-reactive protein (hsCRP) were analysed by a latex-enhanced inmunonephelometric assay

Outcome measures

Outcome measures
Measure
Simvastatin
n=20 Participants
Hyperlipidemic patients received simvastatin (40 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Simvastatin: simvastatin (40 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Ezetimibe
n=19 Participants
Hyperlipidemic patients received ezetimibe (10 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Ezetimibe: ezetimibe (10 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Levels of High-sensitive C-reactive Protein (hsCRP) Before and After Simvastatin/Ezetimibe Administration
Baseline
4.02 mg/l
Standard Deviation 3.49
4.43 mg/l
Standard Deviation 4.97
Levels of High-sensitive C-reactive Protein (hsCRP) Before and After Simvastatin/Ezetimibe Administration
4 weeks
2.82 mg/l
Standard Deviation 2.69
3.98 mg/l
Standard Deviation 3.65
Levels of High-sensitive C-reactive Protein (hsCRP) Before and After Simvastatin/Ezetimibe Administration
8 weeks
2.64 mg/l
Standard Deviation 2.21
3.31 mg/l
Standard Deviation 3.48

SECONDARY outcome

Timeframe: Baseline, 4 weeks and 8 weeks

Levels of proinflammatory cytokines (interleukin-6 (IL-6)) were analysed with a Luminex® 200™ system

Outcome measures

Outcome measures
Measure
Simvastatin
n=20 Participants
Hyperlipidemic patients received simvastatin (40 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Simvastatin: simvastatin (40 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Ezetimibe
n=19 Participants
Hyperlipidemic patients received ezetimibe (10 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Ezetimibe: ezetimibe (10 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Levels of Interleukin-6 (IL-6) Before and After Simvastatin/Ezetimibe Administration
Baseline
2.44 pg/ml
Standard Deviation 1.62
2.94 pg/ml
Standard Deviation 1.45
Levels of Interleukin-6 (IL-6) Before and After Simvastatin/Ezetimibe Administration
4 weeks
2.83 pg/ml
Standard Deviation 1.66
3.93 pg/ml
Standard Deviation 2.28
Levels of Interleukin-6 (IL-6) Before and After Simvastatin/Ezetimibe Administration
8 weeks
4.43 pg/ml
Standard Deviation 4.30
5.78 pg/ml
Standard Deviation 3.98

SECONDARY outcome

Timeframe: Baseline, 4 weeks and 8 weeks

Levels of proinflammatory cytokines (tumor necrosis factor α (TNF-α)) were analysed with a Luminex® 200™ system

Outcome measures

Outcome measures
Measure
Simvastatin
n=20 Participants
Hyperlipidemic patients received simvastatin (40 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Simvastatin: simvastatin (40 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Ezetimibe
n=19 Participants
Hyperlipidemic patients received ezetimibe (10 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Ezetimibe: ezetimibe (10 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Levels of Tumor Necrosis Factor α (TNF-α) Before and After Simvastatin/Ezetimibe Administration
Baseline
3.43 pg/ml
Standard Deviation 1.87
3.01 pg/ml
Standard Deviation 2.29
Levels of Tumor Necrosis Factor α (TNF-α) Before and After Simvastatin/Ezetimibe Administration
4 weeks
3.99 pg/ml
Standard Deviation 1.77
5.09 pg/ml
Standard Deviation 5.23
Levels of Tumor Necrosis Factor α (TNF-α) Before and After Simvastatin/Ezetimibe Administration
8 weeks
4.43 pg/ml
Standard Deviation 4.30
4.35 pg/ml
Standard Deviation 4.09

SECONDARY outcome

Timeframe: Baseline, 4 weeks and 8 weeks

Oxidative stress markers (mitochondrial oxygen (O2) consumption) was measured at baseline and after treatment by Clark electrode

Outcome measures

Outcome measures
Measure
Simvastatin
n=20 Participants
Hyperlipidemic patients received simvastatin (40 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Simvastatin: simvastatin (40 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Ezetimibe
n=19 Participants
Hyperlipidemic patients received ezetimibe (10 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Ezetimibe: ezetimibe (10 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Mitochondrial Oxygen (O2) Consumption Before and After Simvastatin/Ezetimibe Administration
Baseline
1.09 Nmol O2/min/million cells
Standard Deviation 0.15
1.09 Nmol O2/min/million cells
Standard Deviation 0.15
Mitochondrial Oxygen (O2) Consumption Before and After Simvastatin/Ezetimibe Administration
4 weeks
1.54 Nmol O2/min/million cells
Standard Deviation 0.12
1.31 Nmol O2/min/million cells
Standard Deviation 0.13
Mitochondrial Oxygen (O2) Consumption Before and After Simvastatin/Ezetimibe Administration
8 weeks
1.76 Nmol O2/min/million cells
Standard Deviation 0.21
1.67 Nmol O2/min/million cells
Standard Deviation 0.10

SECONDARY outcome

Timeframe: Baseline, 4 weeks and 8 weeks

Oxidative stress markers (Reactive oxygen species (ROS) production) was measured at baseline and after treatment by fluorometric techniques

Outcome measures

Outcome measures
Measure
Simvastatin
n=20 Participants
Hyperlipidemic patients received simvastatin (40 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Simvastatin: simvastatin (40 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Ezetimibe
n=19 Participants
Hyperlipidemic patients received ezetimibe (10 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Ezetimibe: ezetimibe (10 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Reactive Oxygen Species (ROS) Production Before and After Simvastatin/Ezetimibe Administration
Baseline
74.7 Fluorescence Units
Standard Deviation 8.1
72.8 Fluorescence Units
Standard Deviation 8.3
Reactive Oxygen Species (ROS) Production Before and After Simvastatin/Ezetimibe Administration
4 weeks
57.2 Fluorescence Units
Standard Deviation 8.9
63.5 Fluorescence Units
Standard Deviation 10.3
Reactive Oxygen Species (ROS) Production Before and After Simvastatin/Ezetimibe Administration
8 weeks
43.3 Fluorescence Units
Standard Deviation 7.9
48.9 Fluorescence Units
Standard Deviation 3.3

SECONDARY outcome

Timeframe: Baseline, 4 weeks and 8 weeks

Oxidative stress markers (membrane potential) was measured at baseline and after treatment by fluorometric techniques

Outcome measures

Outcome measures
Measure
Simvastatin
n=20 Participants
Hyperlipidemic patients received simvastatin (40 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Simvastatin: simvastatin (40 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Ezetimibe
n=19 Participants
Hyperlipidemic patients received ezetimibe (10 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Ezetimibe: ezetimibe (10 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Membrane Potential Before and After Simvastatin/Ezetimibe Administration
Baseline
46.6 Fluorescence Units
Standard Deviation 5.8
48.4 Fluorescence Units
Standard Deviation 3.9
Membrane Potential Before and After Simvastatin/Ezetimibe Administration
4 weeks
62.5 Fluorescence Units
Standard Deviation 5.4
56.7 Fluorescence Units
Standard Deviation 5.4
Membrane Potential Before and After Simvastatin/Ezetimibe Administration
8 weeks
70.4 Fluorescence Units
Standard Deviation 8.4
67.5 Fluorescence Units
Standard Deviation 4.5

SECONDARY outcome

Timeframe: Baseline, 4 weeks and 8 weeks

Oxidative stress markers (levels of glutathione (GSH)) was measured at baseline and after treatment by fluorometric techniques

Outcome measures

Outcome measures
Measure
Simvastatin
n=20 Participants
Hyperlipidemic patients received simvastatin (40 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Simvastatin: simvastatin (40 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Ezetimibe
n=19 Participants
Hyperlipidemic patients received ezetimibe (10 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Ezetimibe: ezetimibe (10 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Levels of Glutathione (GSH) Before and After Simvastatin/Ezetimibe Administration
Baseline
2.68 Fluorescence Units
Standard Deviation 0.63
2.85 Fluorescence Units
Standard Deviation 0.71
Levels of Glutathione (GSH) Before and After Simvastatin/Ezetimibe Administration
4 weeks
5.67 Fluorescence Units
Standard Deviation 0.59
3.79 Fluorescence Units
Standard Deviation 0.67
Levels of Glutathione (GSH) Before and After Simvastatin/Ezetimibe Administration
8 weeks
7.92 Fluorescence Units
Standard Deviation 1.24
7.51 Fluorescence Units
Standard Deviation 1.09

SECONDARY outcome

Timeframe: Baseline, 4 weeks and 8 weeks

Interactions between leukocytes and human umbilical vein endothelial cells were evaluated by flow chamber microscopy. Leukocyte rolling was estimated as the number of leukocytes rolling over 100 μm2 of the endothelial monolayer during a 1-min period.

Outcome measures

Outcome measures
Measure
Simvastatin
n=20 Participants
Hyperlipidemic patients received simvastatin (40 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Simvastatin: simvastatin (40 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Ezetimibe
n=19 Participants
Hyperlipidemic patients received ezetimibe (10 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Ezetimibe: ezetimibe (10 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Leukocyte Rolling Flux Before and After Simvastatin/Ezetimibe Administration
Baseline
412 polymorphonuclear cells/min
Standard Deviation 132
421 polymorphonuclear cells/min
Standard Deviation 203
Leukocyte Rolling Flux Before and After Simvastatin/Ezetimibe Administration
4 weeks
225 polymorphonuclear cells/min
Standard Deviation 61
392 polymorphonuclear cells/min
Standard Deviation 187
Leukocyte Rolling Flux Before and After Simvastatin/Ezetimibe Administration
8 weeks
147 polymorphonuclear cells/min
Standard Deviation 51
196 polymorphonuclear cells/min
Standard Deviation 99

SECONDARY outcome

Timeframe: Baseline, 4 weeks and 8 weeks

Interactions between leukocytes and human umbilical vein endothelial cells were evaluated by flow chamber microscopy. Adhesion was evaluated by counting the number of polymorphonuclear cells that maintained stable contact with human umbilical vein endothelial cells (HUVEC) for 30 seconds.

Outcome measures

Outcome measures
Measure
Simvastatin
n=20 Participants
Hyperlipidemic patients received simvastatin (40 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Simvastatin: simvastatin (40 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Ezetimibe
n=19 Participants
Hyperlipidemic patients received ezetimibe (10 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Ezetimibe: ezetimibe (10 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Leukocyte Adhesion Before and After Simvastatin/Ezetimibe Administration
Baseline
25.1 polymorphonuclear cells/mm2
Standard Deviation 8.2
25.6 polymorphonuclear cells/mm2
Standard Deviation 12.1
Leukocyte Adhesion Before and After Simvastatin/Ezetimibe Administration
4 weeks
15.0 polymorphonuclear cells/mm2
Standard Deviation 4.1
23.8 polymorphonuclear cells/mm2
Standard Deviation 14.2
Leukocyte Adhesion Before and After Simvastatin/Ezetimibe Administration
8 weeks
10.9 polymorphonuclear cells/mm2
Standard Deviation 2.5
12.5 polymorphonuclear cells/mm2
Standard Deviation 4.9

SECONDARY outcome

Timeframe: Baseline, 4 weeks and 8 weeks

Interactions between leukocytes and human umbilical vein endothelial cells were evaluated by flow chamber microscopy.The rolling velocity in the field of focus was determined by measuring the time required by 20 consecutive leukocytes to cover a distance of 100 μm.

Outcome measures

Outcome measures
Measure
Simvastatin
n=20 Participants
Hyperlipidemic patients received simvastatin (40 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Simvastatin: simvastatin (40 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Ezetimibe
n=19 Participants
Hyperlipidemic patients received ezetimibe (10 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Ezetimibe: ezetimibe (10 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Leukocyte Rolling Velocity Before and After Simvastatin/Ezetimibe Administration
Baseline
469 micrometer/second
Standard Deviation 53
524 micrometer/second
Standard Deviation 43
Leukocyte Rolling Velocity Before and After Simvastatin/Ezetimibe Administration
4 weeks
553 micrometer/second
Standard Deviation 54
533 micrometer/second
Standard Deviation 42
Leukocyte Rolling Velocity Before and After Simvastatin/Ezetimibe Administration
8 weeks
608 micrometer/second
Standard Deviation 43
629 micrometer/second
Standard Deviation 34

SECONDARY outcome

Timeframe: Baseline, 4 weeks and 8 weeks

The vascular cell adhesion molecule 1 (VCAM-1) was evaluated in serum by Luminex® 200™ system

Outcome measures

Outcome measures
Measure
Simvastatin
n=20 Participants
Hyperlipidemic patients received simvastatin (40 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Simvastatin: simvastatin (40 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Ezetimibe
n=19 Participants
Hyperlipidemic patients received ezetimibe (10 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Ezetimibe: ezetimibe (10 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Levels of Vascular Cell Adhesion Molecule 1 (VCAM-1) Before and After Simvastatin/Ezetimibe Administration
Baseline
1314 ng/ml
Standard Deviation 251
1371 ng/ml
Standard Deviation 342
Levels of Vascular Cell Adhesion Molecule 1 (VCAM-1) Before and After Simvastatin/Ezetimibe Administration
4 weeks
1137 ng/ml
Standard Deviation 407
1166 ng/ml
Standard Deviation 526
Levels of Vascular Cell Adhesion Molecule 1 (VCAM-1) Before and After Simvastatin/Ezetimibe Administration
8 weeks
1074 ng/ml
Standard Deviation 385
1220 ng/ml
Standard Deviation 201

SECONDARY outcome

Timeframe: Baseline, 4 weeks and 8 weeks

The intercellular adhesion molecule 1 (ICAM-1) was evaluated in serum by Luminex® 200™ system

Outcome measures

Outcome measures
Measure
Simvastatin
n=20 Participants
Hyperlipidemic patients received simvastatin (40 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Simvastatin: simvastatin (40 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Ezetimibe
n=19 Participants
Hyperlipidemic patients received ezetimibe (10 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Ezetimibe: ezetimibe (10 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Levels of Intercellular Adhesion Molecule 1 (ICAM-1) Before and After Simvastatin/Ezetimibe Administration
Baseline
188 ng/ml
Standard Deviation 46.5
160.6 ng/ml
Standard Deviation 37.8
Levels of Intercellular Adhesion Molecule 1 (ICAM-1) Before and After Simvastatin/Ezetimibe Administration
4 weeks
139.5 ng/ml
Standard Deviation 53.4
114.7 ng/ml
Standard Deviation 24.6
Levels of Intercellular Adhesion Molecule 1 (ICAM-1) Before and After Simvastatin/Ezetimibe Administration
8 weeks
122.2 ng/ml
Standard Deviation 52.2
108.1 ng/ml
Standard Deviation 36.1

SECONDARY outcome

Timeframe: Baseline, 4 weeks and 8 weeks

E-selectin was evaluated in serum by Luminex® 200™ system

Outcome measures

Outcome measures
Measure
Simvastatin
n=20 Participants
Hyperlipidemic patients received simvastatin (40 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Simvastatin: simvastatin (40 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Ezetimibe
n=19 Participants
Hyperlipidemic patients received ezetimibe (10 mg/day) for 4 weeks, after they were administered combined therapy (simvastatin, 40 mg/day plus ezetimibe,10 mg/day) for an additional 4-week period. Lipid profile, lipoprotein subfractions of LDL and HDL, inflammatory, oxidative stress and endothelial function parameters were evaluated. Ezetimibe: ezetimibe (10 mg/day) for 4 weeks Simvastatin + Ezetimibe: combined therapy simvastatin (40 mg/day) + ezetimibe (10 mg/day) for 4-week period
Levels of E-selectin Before and After Simvastatin/Ezetimibe Administration
Baseline
45.1 ng/ml
Standard Deviation 21.0
39.7 ng/ml
Standard Deviation 15.6
Levels of E-selectin Before and After Simvastatin/Ezetimibe Administration
4 weeks
38.9 ng/ml
Standard Deviation 16.0
30.5 ng/ml
Standard Deviation 14.7
Levels of E-selectin Before and After Simvastatin/Ezetimibe Administration
8 weeks
29.2 ng/ml
Standard Deviation 11.0
24.4 ng/ml
Standard Deviation 9.1

Adverse Events

Adverse Events Were Not Collected

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Dr Antonio Hernández

FISABIO-University Hospital Dr Peset

Phone: 961622492

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place