The Reversal Intervention for Metabolic Syndrome (TRIMS) study: rationale, design, and baseline data

Alison J Dunkley, Melanie J Davies, Margaret A Stone, Nicholas A Taub, Jacqui Troughton, Thomas Yates, Kamlesh Khunti, Alison J Dunkley, Melanie J Davies, Margaret A Stone, Nicholas A Taub, Jacqui Troughton, Thomas Yates, Kamlesh Khunti

Abstract

Background: Recent attention has focused on strategies to combat the forecast epidemic of type-2 diabetes (T2DM) and its major vascular sequelae. Metabolic syndrome (MetS) comprises a constellation of factors that increase the risk of cardiovascular disease (CVD) and T2DM. Our study aims to develop a structured self-management education programme for people with MetS, which includes management of cardiovascular and diabetes risk factors, and to determine its impact. This paper describes the rationale and design of the TRIMS study, including intervention development, and presents baseline data.

Methods: Subjects recruited from a mixed-ethnic population with MetS were randomised to intervention or control arms. The intervention arm received structured group education based on robust psychological theories and current evidence. The control group received routine care. Follow-up data will be collected at 6 and 12 months. The primary outcome measure will be reversal of metabolic syndrome in the intervention group subjects compared to controls at 12 months follow-up.

Results: 82 participants (44% male, 22% South Asian) were recruited between November 2009 and July 2010. Baseline characteristics were similar for both the intervention (n = 42) and control groups (n = 40). Median age was 63 years (IQR 57 - 67), mean waist size 106 cm (SD ± 11), and prescribing of statins and anti-hypertensives was 51% in each case.

Conclusion: Results will provide information on changes in diabetes and CVD risk factors and help to inform primary prevention strategies in people with MetS from varied ethnic backgrounds who are at high risk of developing T2DM and CVD. Information gathered in relation to the programme's acceptability and effectiveness in a multi-ethnic population would ensure that our results are widely applicable.

Trial registration: The study is registered at ClinicalTrials.gov, study identifier: NCT01043770.

Figures

Figure 1
Figure 1
Flow chart of recruitment and randomisation to TRIMS Study.

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