Alpha-lipoic Acid Reduces Left Ventricular Mass in Normotensive Type 2 Diabetic Patients With Coronary Artery Disease

August 19, 2015 updated by: Xiang Guang-da, Wuhan General Hospital of Guangzhou Military Command

Cardiovascular complications account for the highest mortality in type 2 diabetic patients, mainly due to coronary artery disease (CAD). Most of the attention in treating CAD in type 2 diabetes is understandably directed toward treating coronary artery conditions. However there are other treatable culprits in these patients.

Left ventricular hypertrophy (LVH) is widespread in type 2 diabetic patients with CAD, even in the absence of hypertension. It is a strong predictor of cardiovascular events and all-cause mortality. Regression of LVH has been associated with an improved prognosis, independent of change in blood pressure (BP). Therefore, cardiovascular events and mortality in type 2 diabetes with CAD might will be reduced if the investigators can find novel therapies to regress LVH.

Alpha-lipoic acid reduces oxidative stress which then regresses LVH. Alpha-lipoic acid can improve endothelial function in diabetic conditions. Hence, the main aim of this study was to assess whether alpha-lipoic acid could regress LVM in type 2 diabetic patients with CAD.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

66

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

  • China
    • Hubei
      • Wuhan, Hubei, China, 430070
        • Wuhan General 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

40 years to 70 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Type 2 diabetes
  • CAD
  • Left ventricular hypertrophy
  • HbA1c below 7.0%
  • blood pressure <130/80 mmHg

Exclusion Criteria:

  • Patients were excluded if they were currently alpha-lipoic acid for one year, had a previous adverse reaction to alpha-lipoic acid.
  • hey were also excluded if they had renal and liver dysfunction, heart failure, or malignancy, or were unable to give informed consent.
  • Patients with contraindications to cardiac magnetic resonance (CMR) (pacemakers, claustrophobia) were also excluded, as were pregnant or lactating women.

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: Prevention
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Placebo Comparator: placebo group
An identical placebo daily
Experimental: alpha-lipoic acid group
alpha-lipoic acid 600 mg daily for one year.
Drug: alpha-lipoic acid

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Alpha-lipoic acid regress the left ventricular mass
Time Frame: one year
Alpha-lipoic acid 600 mg daily for one year.
one year

Secondary Outcome Measures

Outcome Measure
Time Frame
The change of endothelial dysfunction before and after alpha-lipoic acid intervention.
Time Frame: one year
one year

Collaborators and Investigators

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

Sponsor

Wuhan General Hospital of Guangzhou Military Command

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

November 1, 2013

Primary Completion (Actual)

July 1, 2015

Study Completion (Actual)

July 1, 2015

Study Registration Dates

First Submitted

June 11, 2013

First Submitted That Met QC Criteria

June 12, 2013

First Posted (Estimate)

June 13, 2013

Study Record Updates

Last Update Posted (Estimate)

August 21, 2015

Last Update Submitted That Met QC Criteria

August 19, 2015

Last Verified

August 1, 2015

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 2013Wze029

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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