Delaying progression to type 2 diabetes among high-risk Spanish individuals is feasible in real-life primary healthcare settings using intensive lifestyle intervention - PubMed (original) (raw)

Controlled Clinical Trial

. 2012 May;55(5):1319-28.

doi: 10.1007/s00125-012-2492-6. Epub 2012 Feb 10.

F Barrio, J-J Cabré, J-L Piñol, X Cos, C Solé, B Bolíbar, J Basora, C Castell, O Solà-Morales, J Salas-Salvadó, J Lindström, J Tuomilehto; DE-PLAN-CAT Research Group

Collaborators, Affiliations

Controlled Clinical Trial

Delaying progression to type 2 diabetes among high-risk Spanish individuals is feasible in real-life primary healthcare settings using intensive lifestyle intervention

B Costa et al. Diabetologia. 2012 May.

Abstract

Aims/hypothesis: To assess the feasibility and effectiveness of an active real-life primary care lifestyle intervention in preventing type 2 diabetes within a high-risk Mediterranean population.

Methods: A prospective cohort study was performed in the setting of Spanish primary care. White-European individuals without diabetes aged 45-75 years (n = 2,054) were screened using the Finnish Diabetes Risk Score (FINDRISC) and a subsequent 2 h OGTT. Where feasible, high-risk individuals who were identified were allocated sequentially to standard care, a group-based or an individual level intervention (intensive reinforced DE-PLAN [Diabetes in Europe-Prevention using Lifestyle, Physical Activity and Nutritional] intervention). The primary outcome was the development of diabetes according to WHO criteria. Analyses after 4-year follow-up were performed based on the intention-to-treat principle with comparison of standard care and the combined intervention groups.

Results: The standard care (n = 219) and intensive intervention (n = 333) groups were comparable in age (62.0/62.2 years), sex (64.4/68.2% women), BMI (31.3/31.2 kg/m(2)), FINDRISC score (16.2/15.8 points), fasting (5.3/5.2 mmol/l), 2 h plasma glucose (7.1/6.9 mmol/l) and self-reported interest to make lifestyle changes at baseline. Diabetes was diagnosed in 124 individuals: 63 (28.8%) in the standard care group and 61 (18.3%) in the intensive intervention group. During a 4.2-year median follow-up, the incidences of diabetes were 7.2 and 4.6 cases per 100 person-years, respectively (36.5% relative risk reduction, p < 0.005). The number of participants needed to be treated by intensive intervention for 4 years to reduce one case of diabetes was 9.5.

Conclusions/interpretation: Intensive lifestyle intervention is feasible in a primary care setting and substantially reduces diabetes incidence among high-risk individuals.

Clinical trial registration: ClinicalTrial.gov NCT01519505.

Funding: Commission of the European Communities, Institute of Health Carlos III, Spanish Ministry of Health and Department of Health, Generalitat de Catalunya.

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