Effects of Atorvastatin Versus Probucol on Small Dense LDL

May 8, 2007 updated by: Yokohama City University Medical Center

Effects of Atorvastatin Versus Probucol on Low-Density Lipoprotein Subtype Distribution and Renal Function in Hyperlipidemic Patients With Non-Diabetic Nephropathy

Small dense low-density lipoprotein (LDL) plays an important role in causing glomerular injury through conversion to an oxidatively modified form of LDL. However, few studies evaluated the effects of antilipidemic agents on the LDL particle size and renoprotective actions in hyperlipidemic patients with non-diabetic nephropathy.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

The study is a randomized crossover trial comparing the effect of atorvastatin (10 mg/day) and probucol (500 mg/day) for 24 weeks in 30 patients (urinary albumin excretion 0.3-2.0 g/day, and creatinine clearance > 30 ml/min/1.73 m2 or serum creatinine concentration < 2 mg/L). Lipid parameters, mean LDL particle diameter, creatinine clearance, and urinary albumin to creatinine excretion ratio are measured before and during treatment periods. It will be evaluated that, first, whether atorvastatin and probucol significantly reduce serum total cholesterol and LDL cholesterol concentrations, second, whether atorvastatin and probucol significantly increase the LDL particle size, third, whether significant differences in urinary albumin/creatinine excretion ratio and creatinine clearance are observed in both groups during treatment.

Study Type

Interventional

Enrollment (Actual)

24

Phase

  • Phase 4

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Japan
    • Kanagawa
      • Yokohama, Kanagawa, Japan, 232-0024
        • Yokohama City University Center Hospital

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

20 years to 75 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Hyperlipidemic patients with non-diabetic nephropathy

Exclusion Criteria:

  • Endocrinological, hematological or hepatic disease
  • Cerebral infarction or hemorrhage
  • Homozygous familial hypercholesterolemia
  • Uncontrolled hypertension
  • Myocardial infarction occurring within the previous 6 months
  • Unstable angina
  • Diabetic nephropathy
  • Abnormal thyroid function
  • Receiving steroids or immunosuppressive agents

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Crossover Assignment
  • Masking: None (Open Label)

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Normalization of serum cholesterol concentrations
Time Frame: One year
One year

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Yokohama City University Medical Center

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

January 1, 2004

Study Completion (Actual)

May 1, 2007

Study Registration Dates

First Submitted

January 11, 2006

First Submitted That Met QC Criteria

January 11, 2006

First Posted (Estimate)

January 12, 2006

Study Record Updates

Last Update Posted (Estimate)

May 9, 2007

Last Update Submitted That Met QC Criteria

May 8, 2007

Last Verified

May 1, 2007

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 7332-1

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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