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Study Results
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Antiplatelet and Anti-inflammatory Effects of Statins and Ezetimibe
This study has been completed.
Study NCT00474123   Information provided by University of Sao Paulo

First Received on May 15, 2007.   Last Updated on June 18, 2010   History of Changes
Results First Received: January 8, 2010  
Study Type: Interventional
Study Design: Allocation: Randomized;   Endpoint Classification: Efficacy Study;   Intervention Model: Parallel Assignment;   Masking: Open Label;   Primary Purpose: Treatment
Condition: Stable Angina
Interventions: Drug: Simvastatin 80 mg/day for 6 weeks
Drug: Ezetimibe 10 mg / Simvastatin 20 mg

  Participant Flow
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Recruitment Details
Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations
From July 2006 to January 2009, we randomized 78 patients with stable coronary artery disease (CAD) with LDL-C > 70 mg/dl, Angiographically documented CAD, stable angina, and age between 18 and 80 years. Patients were assigned randomly to two groups. The one group received Ezetimibe 10 mg/Simvastatin 20 mg the one other received Simvastatin 80 mg.

Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
No wash-out period.

Reporting Groups
  Description
Simvastatin 80 mg Patients were treated with simvastatin 80 mg for 6 weeks
Simvastatin 20mg/Ezetimibe 10 mg Patients were treated with Simvastatin 20mg/Ezetimibe 10 mgfor 6 weeks

Participant Flow:   Overall Study
    Simvastatin 80 mg     Simvastatin 20mg/Ezetimibe 10 mg  
STARTED     38     40  
COMPLETED     38     40  
NOT COMPLETED     0     0  



  Baseline Characteristics
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Reporting Groups
  Description
Simvastatin 80 mg Patients were treated with simvastatin 80 mg for 6 weeks
Simvastatin 20mg/Ezetimibe 10 mg Patients were treated with Simvastatin 20mg/Ezetimibe 10 mgfor 6 weeks

Baseline Measures
    Simvastatin 80 mg     Simvastatin 20mg/Ezetimibe 10 mg     Total  
Number of Participants  
[units: participants]
  38     40     78  
Age  
[units: participants]
     
<=18 years     0     0     0  
Between 18 and 65 years     35     37     72  
>=65 years     3     3     6  
Age  
[units: years]
Mean ± Standard Deviation
  61.7  ± 10     64.5  ± 9     63.2  ± 10  
Gender  
[units: participants]
     
Female     18     15     33  
Male     20     25     45  
Region of Enrollment  
[units: participants]
     
Brazil     38     40     78  



  Outcome Measures
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1.  Primary:   C-reactive Protein   [ Time Frame: Change from baseline at 6 weeks ]

2.  Primary:   Oxidized Low-Density Lipoprotein Cholesterol   [ Time Frame: Change from baseline at 6 weeks ]

3.  Primary:   Platelet Function Analyzer [PFA]-100   [ Time Frame: Change from baseline at 6 weeks ]

4.  Primary:   Monocyte Chemoattractant Protein (MCP)-1   [ Time Frame: Change from baseline at 6 weeks ]

5.  Primary:   Soluble Intercellular Adhesion Molecule (sICAM)-1   [ Time Frame: Change from baseline at 6 weeks ]

6.  Primary:   Soluble CD40 Ligand   [ Time Frame: Fasting venous blood samples were drawn immediately after randomization and after at the conclusions of the six weeks study period. ]

7.  Primary:   Interleukin-6   [ Time Frame: Fasting venous blood samples were drawn immediately after randomization and after at the conclusions of the six weeks study period. ]

8.  Secondary:   LDL Cholesterol   [ Time Frame: Fasting venous blood samples were drawn immediately after randomization and at the conclusions of the six week study period. ]

9.  Secondary:   Triglyceride   [ Time Frame: Fasting venous blood samples were drawn immediately after randomization and at the conclusions of the six week study period. ]

10.  Secondary:   Endothelial Progenitor Cells   [ Time Frame: Fasting venous blood samples were drawn immediately after randomization and at the conclusions of the six week study period. ]


  Serious Adverse Events
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  Other Adverse Events
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  More Information
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Certain Agreements:  
All Principal Investigators ARE employed by the organization sponsoring the study.


Limitations and Caveats
Limitations of the study, such as early termination leading to small numbers of participants analyzed and technical problems with measurement leading to unreliable or uninterpretable data
Adverse Events were assessed, but none were observed.  


Results Point of Contact:  
Name/Title: Comparison of Antiplatelet and Anti-inflammatory Effects of High Dose Statin Monotherapy Versus Mode
Organization: Heart Institute (InCor) Hospital of the Faculty of Medicine, University of São Paulo (HCFMUSP)
phone: 55-11-30695058
e-mail: eduardopesaro@hotmail.com


No publications provided


Responsible Party: São Paulo Research Foundation (FAPESP)
ClinicalTrials.gov Identifier: NCT00474123     History of Changes
Other Study ID Numbers: 893/05
Study First Received: May 15, 2007
Results First Received: January 8, 2010
Last Updated: June 18, 2010
Health Authority: Brazil: Ministry of Health