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Haptoglobin Phenotype and Cardiovascular Complications in Diabetic Patients (ICARE Registry)

This study is ongoing, but not recruiting participants.

Sponsors and Collaborators: Technion, Israel Institute of Technology
Clalit Health Services
Information provided by: Technion, Israel Institute of Technology
ClinicalTrials.gov Identifier: NCT00448487
  Purpose

3054 diabetic patients were screened for Haptoglobin Phenotype as part of the ICARE study (NCT00220831) and composite the I CARE Registry, 1434 Hp 2-2 patients were treated as part of the I CARE study with vitamin E vs. Placebo, this study was recently terminated due to significant differences between the groups and data was sent to publication. All other patients were passively followed since April 2005 for cardiovascular events. We have decided to continue and follow these patients till end of December 2007 to determine the incidence of CVD in theses patients which are pre stratified by Haptoglobin Phenotype.


Condition
Diabetes
Cardiovascular Disease

MedlinePlus related topics:   Diabetes   

U.S. FDA Resources

Study Type:   Observational
Study Design:   Prospective
Official Title:   Prospective Observational Study to Asses the Incidence of CVD Complications in Diabetic Patients Pre-Stratified by Haptoglobin Phenotype From the I CARE Registry

Further study details as provided by Technion, Israel Institute of Technology:

Primary Outcome Measures:
  • same as in ICARE: composite major CVD outcomes (non fatal MI, Stroke and CVD death) [ Time Frame: Continuously till end of December 2007 ] [ Designated as safety issue: No ]

Estimated Enrollment:   3054
Study Start Date:   April 2005
Estimated Study Completion Date:   May 2008

Detailed Description:

3054 diabetic patients from Clalit Medical Services were screened for Haptoglobin Phenotype as part of the ICARE study (NCT00220831) and composite the I CARE registry, 1434 Hp 2-2 patients were treated as part of the I CARE study with vitamin E vs. Placebo, this study was recently terminated due to significant differences between the groups and data was sent to publication.

During the follow up period of the I CARE study all 3054 registry patients were followed in a passive way, which means that the patients were not called for follow up visits but the reports for CVD events were centrally collected from patient's Hospital admission summaries. Admission summaries were collected using the computerized systems of the Clalit Health Services assuring that when ever a patient in the registry is hospitalized for what ever reason the study coordination them would be aware of that and receive the admission summary. An events adjudication committee adjudicated each event in a blinded fashion to determine the nature of the events.

1434 patients who were treated by vitamin E or placebo in the I CARE study were also followed by follow-up telephone calls.

once I CARE study was officially terminated we have decided to continue and follow the whole 3054 registry patients in the same manner to complete a nearly 3 year follow up to determine in a prospective manner the incidence of CVD events in Diabetic patients which were pre-stratified by Haptoglobin type.

  Eligibility
Ages Eligible for Study:   55 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Criteria

These are the same patients as in I CARE registry so the criteria are the same as was for I CARE study Recruitment phase.

Inclusion Criteria:

  • Diabetic patients aged 55 and above

Exclusion Criteria:

  • 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
  Contacts and Locations

Please refer to this study by its ClinicalTrials.gov identifier: NCT00448487

Locations
Israel
Clalit Health Services, Haifa and Western Galilee District    
      Haifa, Israel

Sponsors and Collaborators
Technion, Israel Institute of Technology
Clalit Health Services

Investigators
Principal Investigator:     Shany Blum, M.D. M.Sc.     Technion, Israel Institute of Technology    
Principal Investigator:     Uzi Milman, M.D.     Clalit Health Services    
Principal Investigator:     Chen Shapira, M.D.     Clalit Health Services    
Principal Investigator:     Andrew P Levy, M.D. Ph.D.     Technion, Israel Institute of Technology    
  More Information


Study ID Numbers:   KL-2007
First Received:   March 14, 2007
Last Updated:   March 21, 2008
ClinicalTrials.gov Identifier:   NCT00448487
Health Authority:   Israel: Ministry of Health

Keywords provided by Technion, Israel Institute of Technology:
Diabetes  
Cardiovascular Disease  
Haptoglobin  

Study placed in the following topic categories:
Diabetes Mellitus

Additional relevant MeSH terms:
Cardiovascular Diseases

ClinicalTrials.gov processed this record on October 31, 2008




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