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CVD Risk Reduction Trial — COHRT  

Cardiovascular Disease Clinical Trial

Official title:
Community Outreach Heart Health and Risk Reduction Trial

Clinical Trial Summary

The purpose of this study is to provide lifestyle counselling for protective health behavior (exercise, diet, smoking cessation) to small groups (6-8 subjects) via teleconference. The sample includes individuals at elevated risk for cardiovascular disease (CVD) as well as individuals with established CVD. Our hypothesis is that telephone-based lifestyle counselling will (1) significantly increase protective lifestyle behavior (diet, exercise, smoke-free living) and (2) significantly reduce CVD risk factors at 6-month follow-up.

Clinical Trial Description

COHRT was a 2 parallel-group randomized controlled trial that was designed to assess the efficacy of a community outreach strategy for cardiovascular disease (CVD) risk reduction among individuals at elevated risk for CV events. Randomization was stratified for diagnosis of CHD, type 1 or 2 diabetes, sex, and clinical depression, and blocked within our northern, rural, and urban recruitment sites. A 2X3 mixed factorial design was utilized: 2 Groups (Usual Care, UC/Lifestyle Counselling,LC) X 3 Intervals (Baseline, post-treatment, 6-month follow-up). All subjects received personal CVD risk factor feedback and standardized handouts on heart healthy lifestyle change. The LC group received 6 weekly 1-hour sessions of lifestyle counseling that was provided via teleconference in small groups (4-8 persons). Group facilitators were trained in a manualized protocol of motivational interviewing that was designed for CVD risk reduction through lifestyle change. Weekly supervision was also provided. We hypothesized that the LC group (vs. UC) would significantly increase protective health behavior (exercise, diet, smoke-free living) at post-treatment and 6-month follow-up. The secondary hypothesis was that LC would significantly reduce (1) CVD risk factors, (SBP, DBP, total cholesterol, LDL cholesterol), (2) 10-year absolute risk among subjects without CVD, and (3) significantly increase quality of life as measured by symptoms of depression, psychological stress, and social support. ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind, Primary Purpose: Prevention

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00473785
Study type Interventional
Source University Health Network, Toronto
Contact
Status Completed
Phase N/A
Start date January 2002
Completion date December 2005
View Details
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