- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00764270
The Role of R-Alpha Lipoic Acid in the Treatment of Atherosclerotic Vascular Disease
April 19, 2022 updated by: Gerd Bobe, Oregon State University
The Role of R-alpha Lipoic Acid in the Treatment of Atherosclerotic Vascular Disease
The purpose of this study is to see if a dietary supplement, R-alpha lipoic acid, is able to reduce risk factors in people with documented heart disease and increased levels of inflammation.
Study Overview
Status
Active, not recruiting
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Anticipated)
50
Phase
- Phase 2
- Phase 3
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
-
-
Oregon
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Portland, Oregon, United States, 97201
- Oregon Health & Science University
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-
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
50 years to 70 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Documented congestive heart disease (CHD)(defined as at least one significant coronary stenosis > 50% on angiography, or history of documented myocardial infarction)
- Not diagnosed with unstable angina, uncontrolled hypertension, heart failure, recent myocardial infarction (within last six months)
- Not taking insulin or oral hypoglycemic agents, anti-inflammatory drugs other than aspirin, or hormone replacement therapy
- On stable doses for four weeks prior to entry of lipid-lowering therapy (statins), aspirin, and angiotensin-converting enzyme inhibitors or other blood pressure medications. P
- No tobacco use within 3 months of the study
- No laboratory evidence of renal, hepatic, or hematological abnormalities
- Not currently taking vitamin or antioxidant supplements, including R-alpha lipoic acid, except standard multivitamin/mineral supplements containing not more than the Daily Value (DV) of the vitamins and minerals;
- Elevated levels of urinary and plasma F2-isoprostanes
- Elevated plasma levels of hs-CRP
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: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Lipoic acid treatment
Participants take lipoic acid with a washout period before or after placebo.
|
300 mg R-alpha lipoic acid or placebo twice daily for 12 weeks, followed by a washout period of 12 weeks, followed by another treatment phase of the other treatment placebo or 300 mg R-alpha-lipoic acid for 12 weeks
|
Placebo Comparator: Placebo treatment
Participants take placebo with a washout period before or after lipoic acid treatment
|
300 mg R-alpha lipoic acid or placebo twice daily for 12 weeks, followed by a washout period of 12 weeks, followed by another treatment phase of the other treatment placebo or 300 mg R-alpha-lipoic acid for 12 weeks
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
hs-CRP
Time Frame: 12,20 & 32 weeks
|
High sensitive C-reactive protein
|
12,20 & 32 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
8-lso-PGF2a
Time Frame: 12, 20 & 32 weeks
|
8-iso-prostaglandin F2alpha
|
12, 20 & 32 weeks
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Investigators
- Principal Investigator: Gerd Bobe, PhD, Oregon State University
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
August 1, 2011
Primary Completion (Actual)
November 1, 2011
Study Completion (Anticipated)
December 1, 2022
Study Registration Dates
First Submitted
October 1, 2008
First Submitted That Met QC Criteria
October 1, 2008
First Posted (Estimate)
October 2, 2008
Study Record Updates
Last Update Posted (Actual)
April 21, 2022
Last Update Submitted That Met QC Criteria
April 19, 2022
Last Verified
April 1, 2022
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- AT002034-2 (7187)
- 5P01AT002034 (U.S. NIH Grant/Contract)
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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