NCT00817843

Brief Summary

The purpose of this study is to investigate whether low-dose simvastatin in combination with ezetimibe in comparison to high-dose simvastatin alone, has a beneficial effect on the function of the endothelium after an oral fat load in patients with metabolic syndrome.

Trial Health

90
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
100

participants targeted

Target at P50-P75 for phase_4

Timeline
Completed

Started Apr 2009

Geographic Reach
2 countries

5 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

January 6, 2009

Completed
1 day until next milestone

First Posted

Study publicly available on registry

January 7, 2009

Completed
3 months until next milestone

Study Start

First participant enrolled

April 1, 2009

Completed
1.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2010

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2010

Completed
2.4 years until next milestone

Results Posted

Study results publicly available

January 9, 2013

Completed
Last Updated

January 9, 2013

Status Verified

January 1, 2013

Enrollment Period

1.4 years

First QC Date

January 6, 2009

Results QC Date

June 18, 2012

Last Update Submit

January 4, 2013

Conditions

Keywords

Postprandial hypertriglyceridemiaMetabolic syndromeEndothelial functionFlow mediated dilatationEndoPATSimvastatinEzetimibe

Outcome Measures

Primary Outcomes (1)

  • Treatment Difference in (Postprandial-Fasting) FMD

    A comparison of the postprandial minus fasting change in FMD under treatment with simvastatin 80 mg versus simvastatin 10/10 mg

    After 6 weeks of treatment

Secondary Outcomes (3)

  • Postprandial Endopat Measurement

    after 6 weeks of treatment (crossover)

  • Preprandial Endothelial Function Measured by FMD

    after 6 weeks of treatment (crossover)

  • Preprandial Endopat Measurement

    after 6 weeks of treatment (crossover)

Study Arms (2)

First Simva 80mg then Simvai/Eze10/10mg

EXPERIMENTAL

First 6 weeks of Simvastatin 80mg, then 6 weeks of Simvastatin/Ezetimibe 10/10mg after 6 weeks of placebo washout

Drug: SimvastatinDrug: Simvastatin/Ezetimibe

First Simva/Eze 10/10mg then Simva 80mg

EXPERIMENTAL

First 6 weeks of Simvastatin/Ezetimibe 10/10mg, then 6 weeks of Simvastatin 80mg after 6 weeks of placebo washout

Drug: SimvastatinDrug: Simvastatin/Ezetimibe

Interventions

6 weeks of treatment with simvastatin 80 mg

Also known as: Simvastatin (Zocor)
First Simva 80mg then Simvai/Eze10/10mgFirst Simva/Eze 10/10mg then Simva 80mg

6 weeks of treatment with simvastatin 10 mg / ezetimibe 10 mg combination

Also known as: Simvastatin/Ezetimibe (Zetia)
First Simva 80mg then Simvai/Eze10/10mgFirst Simva/Eze 10/10mg then Simva 80mg

Eligibility Criteria

Age18 Years - 79 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Patient has a diagnosis of metabolic syndrome according to the modified 2005 AHA/NHLBI Scientific Statement with at least:
  • \- Abdominal obesity defined as:
  • \*Males: waist circumference \>102cm
  • Females: waist circumference \>88cm and two of the following 4 other criteria:
  • \- Triglycerides\>150 mg/dL
  • \- HDL Cholesterol
  • Males: HDL-C\<40 mg/dL
  • Females:HDL-C\<50 mg/dL - Blood pressure
  • Systolic Blood Pressure ≥130 mmHg or
  • Diastolic Blood Pressure ≥85 mmHg
  • Fasting glucose ≥ 100 mg/dL
  • Patient understands the study procedures, alternative treatments available, and risks involved with the study, and voluntarily agrees to participate by giving written informed consent.
  • Patient is a male or female of 18-79 years of age on the day of signing informed consent.
  • Patient is a non-smoker.
  • Patient is willing to maintain a stable diet for the duration of the study.
  • +3 more criteria

You may not qualify if:

  • Patient has a BMI \> 35.
  • Patient has hypersensitivity or intolerance to ezetimibe or simvastatin or any component of these medications, or to latex.
  • Patient routinely consumes more than 14 alcoholic drinks per week.
  • Patient is currently participating or has participated in a study with an investigational compound or device within 30 days of signing informed consent.
  • Patient has a smoking history \> 10 pack-years (1 pack-year = at least 20 cigarettes per day for a year) OR patient who has smoked within 3 months prior to Visit 1 (Week -2).
  • liver transaminases (alanine aminotransferase \[ALT\] and aspartate aminotransferase \[AST\]) \> 1.5 X ULN with no active liver disease Serum glucose \> 7.0 mmol/L Creatine kinase(CK)\> 2 X ULN Albumin:creatinine ratio \> 34 TSH \<0.3 mcIU/mL or \> 5.0 mcIU/mL
  • Patient has a history or current evidence of any condition, therapy, lab abnormality or other circumstance that might confound the results of the study, or interfere with the patient's participation for the full duration of the study, such that it is not in the best interest of the patient to participate.
  • It is not possible to obtain a FMD measurement of sufficient quality at screening (Visit 1)
  • Patient has congestive heart failure, atherosclerotic vascular disease or acute or chronic coronary heart disease.
  • \. Patient has had a partial ileal bypass, gastric bypass, gastric banding, celiac disease or other significant intestinal malabsorption.
  • \. Patient has untreated and uncontrolled hypertension with systolic blood pressure \>160 mm Hg or diastolic \>100 mm Hg at Visit 1 (Week -2). (Patients with untreated hypertension and with office BP at Visit 1 and Visit 2 averaging 160/100 or less can be enrolled). Patients using blood pressure-lowering medication are excluded.
  • \. Patient has estimated glomerular filtration rate (eGFR) \< 30 mL/min/1.73 m2 based on the 4-variable MDRD
  • \. Patient has uncontrolled endocrine or metabolic disease known to influence serum lipids or lipoproteins at Visit 1 (Week -2).
  • \. Patient has diabetes mellitus defined as a history of diabetes or fasting serum glucose \> 126 mg/dL.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (5)

Department of Vascular Medicine UMC Utrecht

Utrecht, Utrecht, 3584 CX, Netherlands

Location

Academic Medical Center

Amsterdam, 1005 AZ, Netherlands

Location

Vascular Research Center Hoorn

Hoorn, 1624 NP, Netherlands

Location

Tweesteden Ziekenhuis

Waalwijk, 5141 BM, Netherlands

Location

Hospital Arnau de Vilanova

Lleida, E-25198, Spain

Location

Related Publications (1)

  • Olijhoek JK, Hajer GR, van der Graaf Y, Dallinga-Thie GM, Visseren FL. The effects of low-dose simvastatin and ezetimibe compared to high-dose simvastatin alone on post-fat load endothelial function in patients with metabolic syndrome: a randomized double-blind crossover trial. J Cardiovasc Pharmacol. 2008 Aug;52(2):145-50. doi: 10.1097/FJC.0b013e31817ffe76.

    PMID: 18670365BACKGROUND

MeSH Terms

Conditions

Metabolic Syndrome

Interventions

SimvastatinEzetimibe, Simvastatin Drug CombinationEzetimibe

Condition Hierarchy (Ancestors)

Insulin ResistanceHyperinsulinismGlucose Metabolism DisordersMetabolic DiseasesNutritional and Metabolic Diseases

Intervention Hierarchy (Ancestors)

LovastatinNaphthalenesPolycyclic Aromatic HydrocarbonsHydrocarbons, AromaticHydrocarbons, CyclicHydrocarbonsOrganic ChemicalsPolycyclic CompoundsAzetidinesAzetinesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsDrug CombinationsPharmaceutical Preparations

Limitations and Caveats

One limitation is that the study was conducted in obese patients with the metabolic syndrome.

Results Point of Contact

Title
Professor F.L.J. Visseren, MD PhD
Organization
UMC Utrecht

Study Officials

  • Frank LJ Visseren, MD PhD

    UMC Utrecht

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
CROSSOVER
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Professor F.L.J. Visseren, MD PhD, head of department of Vascular Medicine

Study Record Dates

First Submitted

January 6, 2009

First Posted

January 7, 2009

Study Start

April 1, 2009

Primary Completion

September 1, 2010

Study Completion

September 1, 2010

Last Updated

January 9, 2013

Results First Posted

January 9, 2013

Record last verified: 2013-01

Locations