NCT00220831

Brief Summary

The purpose of this study is to determine whether Vitamin E treatment to Diabetic patients, who carry the Haptoglobin 2-2 Phenotype, prevents cardiovascular complications such as acute MI and Stroke.

Trial Health

57
Monitor

Trial Health Score

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

Enrollment
2,000

participants targeted

Target at P75+ for phase_2 diabetes

Timeline
Completed

Started Apr 2005

Longer than P75 for phase_2 diabetes

Geographic Reach
1 country

1 active site

Status
terminated

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

Study Start

First participant enrolled

April 1, 2005

Completed
6 months until next milestone

First Submitted

Initial submission to the registry

September 13, 2005

Completed
9 days until next milestone

First Posted

Study publicly available on registry

September 22, 2005

Completed
4.2 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2009

Completed
Last Updated

March 1, 2007

Status Verified

February 1, 2007

First QC Date

September 13, 2005

Last Update Submit

February 28, 2007

Conditions

Keywords

DiabetesMICVD disease

Outcome Measures

Primary Outcomes (1)

  • A combination of CVD mortality non fatal MI and Stoke at a 4 year follow up.

Secondary Outcomes (2)

  • Cardiac Interventions (Angioplasty, Bypass surgery

  • etc…), all cause mortality, heart failure, at a 4 year follow up.

Interventions

Eligibility Criteria

Age55 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Diabetic patients aged 55 and above

You may not qualify if:

  • Patient who takes antioxidant treatment will be asked to stop, or can't be included in the study
  • Patients who had a CVD incident (MI, Stroke, TIA), Unstable angina pectoris, Uncontrolled HTN, will have to wait a month after stabilization to be included in the study
  • Allergy to Vitamin E

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Clalit Health Services, Haifa and West Galilee - primary health care clinics, in the north of Israel And the Bruce Rappaport Faculty of Medicine, Technion, Haifa, Israel.

Haifa, Israel

Location

Related Publications (9)

  • Melamed-Frank M, Lache O, Enav BI, Szafranek T, Levy NS, Ricklis RM, Levy AP. Structure-function analysis of the antioxidant properties of haptoglobin. Blood. 2001 Dec 15;98(13):3693-8. doi: 10.1182/blood.v98.13.3693.

    PMID: 11739174BACKGROUND
  • Levy AP, Roguin A, Hochberg I, Herer P, Marsh S, Nakhoul FM, Skorecki K. Haptoglobin phenotype and vascular complications in patients with diabetes. N Engl J Med. 2000 Sep 28;343(13):969-70. doi: 10.1056/NEJM200009283431313. No abstract available.

    PMID: 11012324BACKGROUND
  • Nakhoul FM, Marsh S, Hochberg I, Leibu R, Miller BP, Levy AP. Haptoglobin genotype as a risk factor for diabetic retinopathy. JAMA. 2000 Sep 13;284(10):1244-5. doi: 10.1001/jama.284.10.1244-a. No abstract available.

    PMID: 10979109BACKGROUND
  • Nakhoul FM, Zoabi R, Kanter Y, Zoabi M, Skorecki K, Hochberg I, Leibu R, Miller B, Levy AP. Haptoglobin phenotype and diabetic nephropathy. Diabetologia. 2001 May;44(5):602-4. doi: 10.1007/s001250051666.

    PMID: 11380078BACKGROUND
  • Roguin A, Hochberg I, Nikolsky E, Markiewicz W, Meisel SR, Hir J, Grenadier E, Beyar R, Levy AP. Haptoglobin phenotype as a predictor of restenosis after percutaneous transluminal coronary angioplasty. Am J Cardiol. 2001 Feb 1;87(3):330-2, A9. doi: 10.1016/s0002-9149(00)01368-0.

    PMID: 11165970BACKGROUND
  • Levy AP, Hochberg I, Jablonski K, Resnick HE, Lee ET, Best L, Howard BV; Strong Heart Study. Haptoglobin phenotype is an independent risk factor for cardiovascular disease in individuals with diabetes: The Strong Heart Study. J Am Coll Cardiol. 2002 Dec 4;40(11):1984-90. doi: 10.1016/s0735-1097(02)02534-2.

    PMID: 12475459BACKGROUND
  • Hochberg I, Roguin A, Nikolsky E, Chanderashekhar PV, Cohen S, Levy AP. Haptoglobin phenotype and coronary artery collaterals in diabetic patients. Atherosclerosis. 2002 Apr;161(2):441-6. doi: 10.1016/s0021-9150(01)00657-8.

    PMID: 11888529BACKGROUND
  • Levy AP, Gerstein HC, Miller-Lotan R, Ratner R, McQueen M, Lonn E, Pogue J. The effect of vitamin E supplementation on cardiovascular risk in diabetic individuals with different haptoglobin phenotypes. Diabetes Care. 2004 Nov;27(11):2767. doi: 10.2337/diacare.27.11.2767. No abstract available.

    PMID: 15505023BACKGROUND
  • Milman U, Blum S, Shapira C, Aronson D, Miller-Lotan R, Anbinder Y, Alshiek J, Bennett L, Kostenko M, Landau M, Keidar S, Levy Y, Khemlin A, Radan A, Levy AP. Vitamin E supplementation reduces cardiovascular events in a subgroup of middle-aged individuals with both type 2 diabetes mellitus and the haptoglobin 2-2 genotype: a prospective double-blinded clinical trial. Arterioscler Thromb Vasc Biol. 2008 Feb;28(2):341-7. doi: 10.1161/ATVBAHA.107.153965. Epub 2007 Nov 21.

MeSH Terms

Conditions

Diabetes MellitusMyocardial InfarctionCardiovascular Diseases

Condition Hierarchy (Ancestors)

Glucose Metabolism DisordersMetabolic DiseasesNutritional and Metabolic DiseasesEndocrine System DiseasesMyocardial IschemiaHeart DiseasesVascular DiseasesInfarctionIschemiaPathologic ProcessesPathological Conditions, Signs and SymptomsNecrosis

Study Officials

  • Uzi Milman, MD

    Clalit Health Services

    PRINCIPAL INVESTIGATOR
  • Chen Shapira, MD

    Clalit Health Services

    STUDY CHAIR
  • Shany Blum, MD MSc

    Laboratory of Vascular Medicine, the Bruce Rappaport Faculty of Medicine, Technion - Israel Institute of Technology.

    STUDY CHAIR
  • Andrew P Levy, MD PhD

    Laboratory of Vascular Medicine, the Bruce Rappaport Faculty of Medicine, Technion - Israel Institute of Technology.

    STUDY CHAIR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
DOUBLE
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER

Study Record Dates

First Submitted

September 13, 2005

First Posted

September 22, 2005

Study Start

April 1, 2005

Study Completion

December 1, 2009

Last Updated

March 1, 2007

Record last verified: 2007-02

Locations